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	<title>Midas Oracle .ORG &#187; prediction market approach</title>
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		<title>BetFair are impermeable to the prediction market approach.</title>
		<link>http://www.midasoracle.org/2009/05/11/betfair-are-impermeable-to-the-prediction-market-approach/</link>
		<comments>http://www.midasoracle.org/2009/05/11/betfair-are-impermeable-to-the-prediction-market-approach/#comments</comments>
		<pubDate>Mon, 11 May 2009 16:28:21 +0000</pubDate>
		<dc:creator>Chris F. Masse</dc:creator>
				<category><![CDATA[Analysis (Industry)]]></category>
		<category><![CDATA[Exchanges & Markets]]></category>
		<category><![CDATA[Internet Marketing - Internet Commerce]]></category>
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		<category><![CDATA[BetFair]]></category>
		<category><![CDATA[betting approach]]></category>
		<category><![CDATA[decimal odds]]></category>
		<category><![CDATA[fractitional odds]]></category>
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		<category><![CDATA[prediction market approach]]></category>
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		<guid isPermaLink="false">http://www.midasoracle.org/?p=13818</guid>
		<description><![CDATA[BetFair seem to be stuck with the betting approach, as far as I can see. The prediction market approach would require that you present to the public (as opposed to the small population of bettors) the probabilities expressed in percentage. &#8230; <a href="http://www.midasoracle.org/2009/05/11/betfair-are-impermeable-to-the-prediction-market-approach/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p>BetFair seem to be stuck with <strong>the betting approach</strong>, as far as I can see. The prediction market approach would require that you present to the public (as opposed to the small population of bettors) <strong>the probabilities expressed in percentage.</strong> (Odds can be added, of course.) Instead, <a title="Formula 1 Predictions: Spanish win sees Button go odds-on for the championship" href="http://predicts.betfair.com/2009/05/formula-one-predictions-spanish-win-sees-button-go-odds-on-for-the-championship/">BetFair insist on <strong>decimal odds</strong> only (with, sometimes, when the mouse cursor hovers, their equivalent fractitional odds)</a>. And, if you want a chart, the only thing you can do is praying for it. As for chart widgets that can go into feeds (<em>a la</em> InTrade, NewsFutures and Hubdub) just forget about it.</p>
<p>BetFair pretend to be taking the prediction market movement seriously, but the facts speak a very different picture &#8212;they don&#8217;t have the first clue, and they just don&#8217;t want to learn.</p>
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		<title>TradeFair was first branded as a serious financial prediction exchange, but it didn&#8217;t work out, and TradeFair is now actually an operator that applies gambling (not betting) to the financial markets.</title>
		<link>http://www.midasoracle.org/2008/10/13/tradefair-gambling/</link>
		<comments>http://www.midasoracle.org/2008/10/13/tradefair-gambling/#comments</comments>
		<pubDate>Mon, 13 Oct 2008 13:03:12 +0000</pubDate>
		<dc:creator>Chris F. Masse</dc:creator>
				<category><![CDATA[Analysis (Industry)]]></category>
		<category><![CDATA[Betting]]></category>
		<category><![CDATA[Exchange & Market Management]]></category>
		<category><![CDATA[Exchanges & Markets]]></category>
		<category><![CDATA[Gambling]]></category>
		<category><![CDATA[Internet Marketing - Internet Commerce]]></category>
		<category><![CDATA[5-minute prediction markets]]></category>
		<category><![CDATA[BetFair]]></category>
		<category><![CDATA[betting exchanges]]></category>
		<category><![CDATA[event derivative exchanges]]></category>
		<category><![CDATA[Finance]]></category>
		<category><![CDATA[gambling addiction]]></category>
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		<category><![CDATA[prediction exchanges]]></category>
		<category><![CDATA[prediction market approach]]></category>
		<category><![CDATA[prediction markets]]></category>
		<category><![CDATA[problem gambling]]></category>
		<category><![CDATA[TadeFair]]></category>
		<category><![CDATA[The Sporting Exchange]]></category>
		<category><![CDATA[TradeFair Hi Lo]]></category>
		<category><![CDATA[trading]]></category>

		<guid isPermaLink="false">http://www.midasoracle.org/?p=10384</guid>
		<description><![CDATA[Take a look at their ad: Three remarks: They got carried away from the prediction market approach (which, unlike InTrade, they never understood fully, anyway). This gambling approach of the marketing of the prediction markets is very interesting in terms &#8230; <a href="http://www.midasoracle.org/2008/10/13/tradefair-gambling/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p>Take a look at their ad:</p>
<p style="padding-left: 150px;"><a href="http://hilo.tradefair.com/"><img class="alignnone size-full wp-image-10385" title="tradfair_hilo" src="http://www.midasoracle.org/wp-content/uploads/2008/10/tradfair_hilo.gif" alt="" width="406" height="93" /></a></p>
<p>Three remarks:</p>
<ul>
<li>They got carried <strong>away from the prediction market approach</strong> (which, unlike <a href="http://intrade.com/">InTrade</a>, they never understood fully, anyway).</li>
<li>This <strong>gambling approach of the marketing of the prediction markets</strong> is <a href="http://www.midasoracle.org/2008/10/08/tradefair-hi-lo/">very interesting</a> in terms of potential revenue growth. I encourage InTrade, TradeSports, BetFair, NewsFutures and HubDub to adopt it.</li>
<li>However, it remains to be seen whether TradeFair is the right venue for gambling. <strong>TradeFair was supposed to be a serious financial prediction exchange (the British equivalent of HedgeStreet), and it is now the online equivalent of Macao or Las Vegas.</strong> Hummm&#8230; Will these 2 different worlds mix well together? Could La Callas sell pork sausages? Could Yehudi Menuhin sell used condoms?</li>
<li>And I won&#8217;t mention the issue of <strong>problem gambling</strong>, which I predict will be made worse thanks to TradeFair Hi &amp; Lo and BetFair Arcades.</li>
</ul>
<p>-</p>
<p><a href="http://hilo.tradefair.com/"><img class="alignnone size-full wp-image-10290" title="hi-lo1" src="http://www.midasoracle.org/wp-content/uploads/2008/10/hi-lo1.jpg" alt="" width="560" height="532" /></a></p>
<p>-</p>
<p>Once the previous bet is resolved, you can start off anew with another 5-minute bet on the FTSE &#8212;from the level that was the basis for the settlement of the previous bet.</p>
<p>-</p>
<p><a href="http://hilo.tradefair.com/"><img class="alignnone size-full wp-image-10291" title="hi-lo-2" src="http://www.midasoracle.org/wp-content/uploads/2008/10/hi-lo-2.jpg" alt="" width="826" height="528" /></a></p>
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		<title>TradeFair Hi Lo = the 5-minute prediction markets, which will bring a financial cachet to gambling (alas, for some).</title>
		<link>http://www.midasoracle.org/2008/10/08/tradefair-hi-lo/</link>
		<comments>http://www.midasoracle.org/2008/10/08/tradefair-hi-lo/#comments</comments>
		<pubDate>Wed, 08 Oct 2008 14:44:03 +0000</pubDate>
		<dc:creator>Chris F. Masse</dc:creator>
				<category><![CDATA[Betting]]></category>
		<category><![CDATA[Exchange Genesis]]></category>
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		<category><![CDATA[The Sporting Exchange]]></category>
		<category><![CDATA[TradeFair]]></category>
		<category><![CDATA[TradeFair Binaries]]></category>
		<category><![CDATA[TradeFair Hi Lo]]></category>
		<category><![CDATA[trading]]></category>

		<guid isPermaLink="false">http://www.midasoracle.org/?p=10289</guid>
		<description><![CDATA[It is official: TradeFair Binaries, launched less than one year ago, has been a disaster of nuclear proportions, and so The Sporting Exchange have ditched it, and replaced it with &#8220;TradeFair Hi Lo&#8220; &#8212;which is basically a way to bring &#8230; <a href="http://www.midasoracle.org/2008/10/08/tradefair-hi-lo/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p><a href="http://site.forum.betfair.com/jive3/betex/ThreadsFrameset.jsp?forumID=9&amp;forumName=Service&amp;threadID=1693991&amp;tName=Fantastic+fun+with+the+new+Hi+Lo+app+from+Tradefair&amp;schatname=&amp;iMessageCount=1">It is official</a>: <a href="http://binairies.tradefair.com/">TradeFair Binaries</a>, launched less than <a title="Why does Tradefair care about Prediction Markets" href="http://www.midasoracle.org/2007/12/06/why-does-tradefair-care-about-prediction-markets/">one year ago</a>, has been a disaster of <a title="TradeFairâ€™s David Jack = the $20 million man" href="http://www.midasoracle.org/2007/12/09/tradefairs-david-jack-the-20-million-man/">nuclear proportions</a>, and so The Sporting Exchange have ditched it, and replaced it with <strong>&#8220;<a href="http://hilo.tradefair.com/">TradeFair Hi Lo</a>&#8220;</strong> &#8212;which is basically a way to <strong>bring gambling to the financial markets.</strong></p>
<p>[For the difference between gambling and betting, <a href="http://www.midasoracle.org/2008/05/26/vernon-smith-cftc-prediction-markets/">see Vernon Smith</a>.]</p>
<p>-</p>
<p>Here&#8217;s how it works.</p>
<p>You follow the British stock market (and its index, the FTSE). <strong>You make a binary bet on whether the FTSE will go up or down in the next 5 minutes.</strong></p>
<p>-</p>
<p><a href="http://hilo.tradefair.com/"><img class="alignnone size-full wp-image-10290" title="hi-lo1" src="http://www.midasoracle.org/wp-content/uploads/2008/10/hi-lo1.jpg" alt="" width="560" height="532" /></a></p>
<p>-</p>
<p>Once the previous bet is resolved, <strong>you can start off anew with another 5-minute bet on the FTSE</strong> &#8212;from the level that was the basis for the settlement of the previous bet.</p>
<p>-</p>
<p><a href="http://hilo.tradefair.com/"><img class="alignnone size-full wp-image-10291" title="hi-lo-2" src="http://www.midasoracle.org/wp-content/uploads/2008/10/hi-lo-2.jpg" alt="" width="826" height="528" /></a></p>
<p>-</p>
<p><strong>This innovation (the 5-minute prediction markets) should probably be copied by BetFair, InTrade, TradeSports, NewsFutures and HubDub, as a way to dynamize trading, liquidity, and profitability.</strong></p>
<p>This is a major innovation (focused uniquely on marketing), which may mark a new area for the prediction exchanges. New behaviors will be induced by this innovation, which will bring in new revenues that traditional prediction markets wouldn&#8217;t. Let&#8217;s see how it unfolds for TradeFair in the coming months.</p>
<p>There is no value added when it comes to forecasting, which will maybe prompt prof Lance Fortnow to <a href="http://weblog.fortnow.com/2008/10/expectation-of-expectations.html">complain</a>. <img src='http://www.midasoracle.org/wp-includes/images/smilies/icon_biggrin.gif' alt=':-D' class='wp-smiley' /> </p>
<p>-</p>
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		<title>BetFair Predicts = a new WordPress-powered website concocted out of San Francisco, California&#8230; &#8212;whose informational value is close to zero.</title>
		<link>http://www.midasoracle.org/2008/10/08/betfair-predicts-san-francisco/</link>
		<comments>http://www.midasoracle.org/2008/10/08/betfair-predicts-san-francisco/#comments</comments>
		<pubDate>Wed, 08 Oct 2008 13:25:48 +0000</pubDate>
		<dc:creator>Chris F. Masse</dc:creator>
				<category><![CDATA[Analysis (Industry)]]></category>
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		<category><![CDATA[Forecasting (Science & Practice)]]></category>
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		<category><![CDATA[BetFair blog]]></category>
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		<category><![CDATA[prediction market approach]]></category>
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		<guid isPermaLink="false">http://www.midasoracle.org/?p=10281</guid>
		<description><![CDATA[BetFair Predicts - UPDATE: The guy in charge says in the comment area that this is just an early beta website, which is going to be much improved soon. - - WHAT I LIKE IN BETFAIR PREDICTS BetFair Predicts is &#8230; <a href="http://www.midasoracle.org/2008/10/08/betfair-predicts-san-francisco/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p><strong><a title="Betfair Predicts" href="http://www.betfairpredicts.com/">BetFair Predicts</a></strong></p>
<p>-</p>
<p>UPDATE: The guy in charge says in the comment area that this is just an early beta website, which is going to be much improved soon.</p>
<p>-</p>
<p><a href="http://www.betfairpredicts.com/"><img class="alignnone size-full wp-image-10282" title="betfair-predicts" src="http://www.midasoracle.org/wp-content/uploads/2008/10/betfair-predicts.jpg" alt="" width="970" height="613" /></a></p>
<p>-</p>
<p><strong>WHAT I LIKE IN BETFAIR PREDICTS</strong></p>
<ol>
<li>BetFair Predicts is a (clumsy) response to <a href="http://www.midasoracle.org/tag/betfair/">some of the (harsh) criticism I directed at them</a>. So, it shows that <strong>they listen up.</strong></li>
<li>They chose <strong>WordPress</strong> as the content management system (CMS) for this project &#8212;it&#8217;s the right choice. (DruPal would have been OK for a more sophisticated project.)</li>
<li>They are web-hosted on an independent domain name (as opposed to a sub domain on the betfair.com website.) It&#8217;s good because it gives them freedom to use whatever information technology they want. (For security reason, they get limitations on their main website. That&#8217;s why the BetFair blog had to be run on MovableType, and not on WordPress.) &#8211; [UPDATE: The website now redirects to <a href="http://predicts.betfair.com/">http://predicts.betfair.com/</a>.]</li>
<li>The <strong>architecture</strong> of this new website is well done. It&#8217;s standard. (Unlike the BetFair blog, which is a price of crap, technically.)</li>
<li>They created <strong>a new compound chart</strong> on the 2008 US presidential elections. (I have hot-linked to it, just below.)</li>
</ol>
<p>-</p>
<p><a href="http://www.betfairpredicts.com/wp-content/uploads/2008/10/home-page-image.png"><img class="alignnone" title="chart" src="http://www.betfairpredicts.com/wp-content/uploads/2008/10/home-page-image.png" alt="" width="710" height="365" /></a></p>
<p>-</p>
<p><strong>WHAT I DISLIKE IN BETFAIR PREDICTS</strong></p>
<ol>
<li>It was an error to call this project &#8220;BetFair Predict<strong>s</strong>&#8220;, singular. &#8220;BetFair Predict&#8221;, plural, would have been better, because <strong>the wisdom of crowds</strong> requires <strong>both</strong> a collective judgment mechanism (here, a predition exchange named BetFair) <strong>and</strong> the event derivative traders associated with that prediction exchange. By using the singular, BetFair appropriates a predictive power that should be credited to a community (lead by BetFair).</li>
<li><strong>Overall, it&#8217;s a very thin website. </strong>It does not bring much to the kitchen table. (That new compound chart above is really <strong>the</strong> novelty at this time. But it&#8217;s not Earth shattering, since the <a href="http://politics.betfair.com/">BetFair Politics Zone</a> <strong>already</strong> displays compound charts, which are dynamic, and which can be hot-linked to.)</li>
<li>That compound chart is probably <strong>not</strong> a <strong>dynamic</strong> one (that is, a chart that will update itself in the future). This compound chart is just an image that has been uploaded from the BetFair exchange to this new BetFair Predicts blog, I doubt that that image will be updated in the future.</li>
<li>And they seem light-years behind when it comes to embeddable chart widgets. (They claim on the frontpage that you can &#8220;embed&#8221; their charts in your blog, but what they offer is just <strong>static</strong> charts. Those idiots don&#8217;t know what they are talking about.)</li>
<li>Their explainer on prediction markets is&#8230; <strong><a href="http://www.betfairpredicts.com/prediction-markets/">so-so</a>.</strong></li>
<li>Their <a href="http://www.betfairpredicts.com/blog/">blog</a> is written by a &#8220;<span class="posted-on-by">Joe Seither&#8221;, whose background is not disclosed. <strong>The writings (well, only 2 posts, as of today) are typical of any copy-writer who would have been instructed about the mechanism of the prediction markets the day prior to undertaking this project.</strong> You won&#8217;t find any insights; just banalities. What I see is worthless.<br />
</span></li>
<li>They can&#8217;t spell &#8220;RSS&#8221;. (See below. <img src='http://www.midasoracle.org/wp-includes/images/smilies/icon_biggrin.gif' alt=':-D' class='wp-smiley' />  )</li>
</ol>
<p>-</p>
<p><a href="http://www.betfairpredicts.com/feed/"><img class="alignnone size-full wp-image-10283" title="error" src="http://www.midasoracle.org/wp-content/uploads/2008/10/error.jpg" alt="" width="910" height="255" /></a></p>
<p>-</p>
<p><strong>TAKEAWAY:</strong></p>
<ol>
<li>BetFair is still struggling with the <strong>web publishing technologies.</strong></li>
<li>BetFair is still struggling with the <a href="http://www.midasoracle.org/2008/09/30/intrade-has-surpassed-betfair-and-tradesports-and-the-iowa-electronic-markets-too/"><strong>prediction market approach</strong></a>, embodied by InTrade.</li>
<li><strong>BetFair has a hiring problem:</strong> they pick up incompetents on the job market and put them in charge too quickly. The result is the disaster detailed above, and chronicled in the Midas Oracle archives since 2006.</li>
</ol>
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		</item>
		<item>
		<title>Global Election Market = a play-money prediction exchange for forecasting all the world&#8217;s political elections</title>
		<link>http://www.midasoracle.org/2008/10/02/global-election-market-a-play-money-prediction-exchange-for-forecasting-all-the-worlds-political-elections/</link>
		<comments>http://www.midasoracle.org/2008/10/02/global-election-market-a-play-money-prediction-exchange-for-forecasting-all-the-worlds-political-elections/#comments</comments>
		<pubDate>Thu, 02 Oct 2008 12:14:37 +0000</pubDate>
		<dc:creator>Chris F. Masse</dc:creator>
				<category><![CDATA[Analysis (Industry)]]></category>
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		<description><![CDATA[- Brought to you by CountryWatch, which has been providing &#8220;country intelligence, news, and forecasts for over 10 years &#8212; with customers both international and domestic customers in the academic, corporate, government and military markets.&#8221; Best wishes to them. - &#8230; <a href="http://www.midasoracle.org/2008/10/02/global-election-market-a-play-money-prediction-exchange-for-forecasting-all-the-worlds-political-elections/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.globalelectionmarkets.com/"><img class="alignnone size-full wp-image-10073" title="gem-logo" src="http://www.midasoracle.org/wp-content/uploads/2008/10/gem-logo.gif" alt="" width="265" height="120" /></a></p>
<p>-</p>
<p>Brought to you by CountryWatch, which has been providing &#8220;country intelligence, news, and forecasts for over 10 years &#8212; with customers both international and domestic customers in the academic, corporate, government and military markets.&#8221;</p>
<p>Best wishes to them.</p>
<p>-</p>
<p><strong><a title="Global Election Market" href="http://www.globalelectionmarkets.com/">Global Election Market</a> is powered by the <a href="http://bet2give.com/">Bet2Give</a> software,</strong> which I like less than the <a href="http://us.newsfutures.com/">NewsFutures</a> software. <strong>NewsFutures abides by <a title="InTrade has surpassed BetFair and TradeSports (and the Iowa Electronic Markets, too)." href="http://www.midasoracle.org/2008/09/30/intrade-has-surpassed-betfair-and-tradesports-and-the-iowa-electronic-markets-too/">the prediction market approach</a> (also adopted by InTrade .NET and HubDub). </strong>Bet2Give is less interesting in that respect.</p>
<p>-</p>
<p>As for attracting new traders, pay attention to my next story about Predictify.</p>
]]></content:encoded>
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		<item>
		<title>InTrade has surpassed BetFair and TradeSports (and the Iowa Electronic Markets, too).</title>
		<link>http://www.midasoracle.org/2008/09/30/intrade-has-surpassed-betfair-and-tradesports-and-the-iowa-electronic-markets-too/</link>
		<comments>http://www.midasoracle.org/2008/09/30/intrade-has-surpassed-betfair-and-tradesports-and-the-iowa-electronic-markets-too/#comments</comments>
		<pubDate>Tue, 30 Sep 2008 06:39:12 +0000</pubDate>
		<dc:creator>Chris F. Masse</dc:creator>
				<category><![CDATA[Analysis (Industry)]]></category>
		<category><![CDATA[Exchanges & Markets]]></category>
		<category><![CDATA[Internet Marketing - Internet Commerce]]></category>
		<category><![CDATA[BetFair]]></category>
		<category><![CDATA[betting exchanges]]></category>
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		<category><![CDATA[economists]]></category>
		<category><![CDATA[event derivative exchanges]]></category>
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		<category><![CDATA[free publicity]]></category>
		<category><![CDATA[Google PageRank]]></category>
		<category><![CDATA[IEM]]></category>
		<category><![CDATA[Internet Marketing]]></category>
		<category><![CDATA[InTrade]]></category>
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		<guid isPermaLink="false">http://www.midasoracle.org/?p=10046</guid>
		<description><![CDATA[InTrade&#8217;s PageRank is now 7 / 10 &#8212;while all the other major prediction market firms are at 6 / 10. It shows that the prediction market approach is paying off. Do provide journalist-friendly objective probabilistic predictions (expressed in percentages &#8211;not &#8230; <a href="http://www.midasoracle.org/2008/09/30/intrade-has-surpassed-betfair-and-tradesports-and-the-iowa-electronic-markets-too/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p><strong>InTrade&#8217;s PageRank is now 7 / 10</strong> &#8212;while all the other major prediction market firms are at <strong>6 / 10.</strong></p>
<ol>
<li>It shows that the <strong>prediction market approach</strong> is paying off. Do provide <strong>journalist-friendly</strong> objective probabilistic predictions (<strong>expressed in percentages</strong> &#8211;not those fucking decimal odds), and the media will link to you, thanks to all the free-market economists who love your model and act as unpaid publicists for you. Make sure your website can resist under heavy traffic loads on Election Day, and during the occasional days where important news break. <strong>Then, milk out all this free publicity. </strong>Run registration ads allover your exchange website to attract new traders. Make money. Invest in IT &#8212;but don&#8217;t let the IT maniacs complicate your prediction exchange too much (as BetFair did).</li>
<li>Long-term, the InTrade model (based on the prediction market approach) should be more profitable, in theory. Because of legal impediment, InTrade is not as profitable as it should be, alas.</li>
</ol>
]]></content:encoded>
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		<title>Are you PMA compatible? These 2 researchers are leading the way.</title>
		<link>http://www.midasoracle.org/2008/09/14/pma-compatible/</link>
		<comments>http://www.midasoracle.org/2008/09/14/pma-compatible/#comments</comments>
		<pubDate>Sun, 14 Sep 2008 14:30:41 +0000</pubDate>
		<dc:creator>Chris F. Masse</dc:creator>
				<category><![CDATA[Analysis (Industry)]]></category>
		<category><![CDATA[People]]></category>
		<category><![CDATA[David Pennock]]></category>
		<category><![CDATA[Lance Fortnow]]></category>
		<category><![CDATA[prediction market approach]]></category>
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		<guid isPermaLink="false">http://www.midasoracle.org/?p=9476</guid>
		<description><![CDATA[Previously: The prediction market approach]]></description>
			<content:encoded><![CDATA[<p><a href="http://blog.oddhead.com/2008/04/26/reporting-prediction-market-prices/"><img class="alignnone size-full wp-image-9474" title="david-pennock" src="http://www.midasoracle.org/wp-content/uploads/2008/09/david-pennock.gif" alt="" width="106" height="146" /></a></p>
<p><a href="http://electoralmarkets.com/"><img class="alignnone size-full wp-image-9475" title="lance-fortnow" src="http://www.midasoracle.org/wp-content/uploads/2008/09/lance-fortnow.jpg" alt="" width="90" height="115" /></a></p>
<p><em>Previously</em>: <a title="The prediction exchanges that have embraced the full prediction market approach" href="http://www.midasoracle.org/2008/09/14/prediction-market-approach/#comment-21705">The prediction market approach</a></p>
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		<title>The prediction exchanges that have fully embraced the prediction market approach</title>
		<link>http://www.midasoracle.org/2008/09/14/prediction-market-approach/</link>
		<comments>http://www.midasoracle.org/2008/09/14/prediction-market-approach/#comments</comments>
		<pubDate>Sun, 14 Sep 2008 06:59:57 +0000</pubDate>
		<dc:creator>Chris F. Masse</dc:creator>
				<category><![CDATA[Analysis (Industry)]]></category>
		<category><![CDATA[Exchange & Market Management]]></category>
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		<category><![CDATA[HubDub]]></category>
		<category><![CDATA[inkling markets]]></category>
		<category><![CDATA[InTrade]]></category>
		<category><![CDATA[InTrade .COM]]></category>
		<category><![CDATA[InTrade .NET]]></category>
		<category><![CDATA[Lance Fortnow]]></category>
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		<guid isPermaLink="false">http://www.midasoracle.org/?p=9456</guid>
		<description><![CDATA[These prediction exchanges present prices as probabilities (expressed in percentages): - HubDub - InTrade .NET &#8230; [*] &#8230; would get the full point if they were to switch the label &#8220;price&#8221; for &#8220;probability&#8221; on their charts. - NewsFutures &#8230; gets &#8230; <a href="http://www.midasoracle.org/2008/09/14/prediction-market-approach/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.chrisfmasse.com/3/3/exchanges/">These</a> <a href="http://www.midasoracle.org/predictions/exchanges/">prediction exchanges</a> present <strong>prices as probabilities</strong> (expressed in percentages):</p>
<p>- <strong><a title="HubDub" href="http://www.hubdub.com/">HubDub</a></strong></p>
<p>- <a title="InTrade .NET" href="http://www.intrade.net/">InTrade .NET</a> &#8230; <strong>[*]</strong> &#8230; would get the full point if they were to switch the label &#8220;price&#8221; for &#8220;probability&#8221; on their charts.</p>
<p>- <a title="NewsFutures" href="http://us.newsfutures.com/">NewsFutures</a> &#8230; gets half a point. No mention of &#8220;probabilities&#8221; on their charts.</p>
<p>- <a title="Inkling Markets" href="http://home.inklingmarkets.com/">Inkling Markets</a> &#8230; gets a quarter of a point.</p>
<p>- <a href="http://binaries.tradefair.com/">TradeFair</a> &#8230; gets an honorable mention, but won&#8217;t show its charts to the non-registered public. <img src='http://www.midasoracle.org/wp-includes/images/smilies/icon_sad.gif' alt=':(' class='wp-smiley' /> </p>
<p><strong>[*]</strong> Which prefigures what <a title="InTrade .COM" href="http://intrade.com/">InTrade .COM</a> is going to be, soon, if I understood well my Deep Throat&#8217;s tip.</p>
<p>As for the ultra innovative <a title="YooPick" href="http://apps.new.facebook.com/yoopick/">YooPick</a>, is it yet another case of &#8220;<a title=" Reporting prediction market prices" href="http://blog.oddhead.com/2008/04/26/reporting-prediction-market-prices/">do what I say, not what I do</a>&#8220;?&#8230; <img src='http://www.midasoracle.org/wp-includes/images/smilies/icon_biggrin.gif' alt=':-D' class='wp-smiley' /> </p>
<p>APPENDIX: Lance Fortnow is PMA compatible:</p>
<p><script src="http://widgetserver.com/syndication/subscriber/InsertWidget.js?appId=4b45263e-d137-4d12-8042-049106112fec" type="text/javascript"></script><noscript>Get the &lt;a href=&#8221;http://www.widgetbox.com/widget/electoral-markets&#8221; mce_href=&#8221;http://www.widgetbox.com/widget/electoral-markets&#8221;&gt;Electoral Markets&lt;/a&gt; widget!</noscript></p>
<p>-</p>
<p>UPDATE: See the comments&#8230;</p>
]]></content:encoded>
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		<title>Why the BetFair model is partially obsolete</title>
		<link>http://www.midasoracle.org/2008/08/08/betfair-model-outdated/</link>
		<comments>http://www.midasoracle.org/2008/08/08/betfair-model-outdated/#comments</comments>
		<pubDate>Fri, 08 Aug 2008 12:45:32 +0000</pubDate>
		<dc:creator>Chris F. Masse</dc:creator>
				<category><![CDATA[All Best Posts Ever]]></category>
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		<guid isPermaLink="false">http://www.midasoracle.org/?p=8111</guid>
		<description><![CDATA[I like BetFair and the BetFair people very much. I was the only blogger to talk up the BetFair starting price system and the BetFair brand-new bet-matching logic. But the other face of the coin is that 2 aspects of &#8230; <a href="http://www.midasoracle.org/2008/08/08/betfair-model-outdated/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p>I like BetFair and the BetFair people very much. I was the only blogger to talk up the <a title="BetFair SP = BetFair Starting Price" href="http://www.midasoracle.org/2008/02/01/betfair-sp-betfair-starting-price/">BetFair starting price system</a> and the <a title="How BetFair stole Bastille Day from the French â€”and how Ed Murray became BetFairâ€™s best friend (NOT A HOAX)." href="http://www.midasoracle.org/2008/07/15/betfair-bet-matching-logic-giberson/">BetFair brand-new bet-matching logic</a>. But the other face of the coin is that 2 aspects of their model are rotten to the core.</p>
<p>-</p>
<p>BetFair was created in 1999 and started off in 2000. Since that time, 2 major things arrived on the world scene. Number one, we have seen the emergence of <strong>the prediction market approach.</strong> Number two, the Web  has taken our lives, and <strong>Google</strong> has become the dominant Internet search engine. Here are how these 2 major trends are affecting BetFair negatively.</p>
<ol>
<li><strong>Decimal Odds (a.k.a. Digital Odds). </strong>- The prediction market approach means that we attack the public with the news and their associated probabilistic predictions, expressed in percentages, where high prices mean high probabilities of happening. BetFair, at the contrary, approach the public with a betting universe and an arcane vocabulary (&#8220;backing&#8221; and &#8220;laying&#8221;) where <strong>low prices mean high probabilities of happening. <a title="Hubdub - The Vision Thing" href="http://blog.hubdub.com/2008/07/23/hubdub-the-vision-thing/">That is totally counter intuitive</a>.</strong></li>
<li><strong>Non-Indexable Prediction Market Webpages. </strong>- Like it or not, Google is now the world&#8217;s #1 media. We &#8220;google&#8221; anything, first thing in the morning. None of the BetFair prediction market webpages can be indexed by Google and the other Internet search engines. That means that <strong>BetFair is missing out, in my estimation, on hundreds of thousands of Google visitors each year.</strong> Those Google visitors will favor <a title="Why the HubDub model is superior to the InTrade, TradeSports, BetFair, HSX and NewsFuturesâ€™s ones" href="http://www.midasoracle.org/2008/08/07/hubdub-model-google/">other prediction exchanges (e.g., HubDub) whose prediction market webpages are indexed naturally by the Internet search engines</a>.</li>
</ol>
<p>-</p>
<p>The British, who drive on the wrong side of the road, don&#8217;t have the 2 most important keys of the future.</p>
<p>-</p>
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		<title>Prices or Probabilities?</title>
		<link>http://www.midasoracle.org/2008/06/03/prices-or-probabilities/</link>
		<comments>http://www.midasoracle.org/2008/06/03/prices-or-probabilities/#comments</comments>
		<pubDate>Tue, 03 Jun 2008 08:41:39 +0000</pubDate>
		<dc:creator>Chris F. Masse</dc:creator>
				<category><![CDATA[Analysis (Meta)]]></category>
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		<guid isPermaLink="false">http://www.midasoracle.org/?p=7141</guid>
		<description><![CDATA[Probabilities&#8230; &#8230; and then&#8230; Prices. - Talk first probabilities&#8230; because people interested in news get the concept and vocabulary. Then, later on, when only the bettors and traders stay with you for the rest of the conversation, talk prices. - &#8230; <a href="http://www.midasoracle.org/2008/06/03/prices-or-probabilities/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p><strong>Probabilities</strong>&#8230;</p>
<p>&#8230; and then&#8230; <strong>Prices.</strong></p>
<p>-</p>
<p>Talk first <strong>probabilities</strong>&#8230; because people interested in news get the <a title=" Reporting prediction market prices" href="http://blog.oddhead.com/2008/04/26/reporting-prediction-market-prices/">concept and vocabulary</a>.</p>
<p>Then, later on, <em>when only the bettors and traders stay with you for the rest of the conversation</em>, talk <strong>prices.</strong></p>
<p>-</p>
<p><a title="VIDEO â€” BetFairâ€™s Mark Davies croaks like a frog." href="http://www.midasoracle.org/2008/06/02/mark-davies-betfair/">BetFair&#8217;s Mark Davies croaked in French about &#8220;<em>les prix des paris</em>&#8221; (<strong>the prices of the bets</strong>) to 1.6 million frogs</a>, on French TV, last Sunday.</p>
<p>I&#8217;m persuaded the frogs didn&#8217;t get the first clue about what he meant.</p>
<p>-</p>
<p>It shows, once again, that BetFair is a laggard when it comes to adopting <strong>the prediction market approach.</strong></p>
<p>-</p>
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