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Chronicles

The story behind the story

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An analysis of 1.6M Polymarket accounts since November 2022: 0.1% of users get 67% of the profits, with the highest-frequency traders seeing the most success

A WSJ analysis shows a small number of accounts on Polymarket and Kalshi—often pros using data-driven algorithmic trading—take home most of the winnings

Wall Street Journal

Discussion

  • @senblumenthal Richard Blumenthal on x
    Prediction markets are rigged against consumers—insider trading, misleading bets & worse returns than Vegas slot machines. A shocking 67% of profits go to only 0.1% accounts. https://www.wsj.com/...
  • @senblumenthal Richard Blumenthal on x
    My Prediction Markets Security & Integrity Act would regulate this scheme for what it is—gambling—& put much needed rules to prevent insider trading, addiction & misleading or dangerous bets.
  • Neil Mehta Neil Mehta on linkedin
    Prediction markets have taken the world by storm, branding themselves as everyman's platforms to make a quick buck.  —  But in reality, the vast majority of traders are losing money. …
  • Alan Jagolinzer Alan Jagolinzer on linkedin
    Why Almost Everyone Loses—Except a Few Sharks—on Prediction Markets  —  A WSJ analysis shows a small number of accounts on Polymarket and Kalshi …
  • @chrisshank.com @chrisshank.com on bluesky
    “betting markets will ‘democratize finance’ and find truth in any difference of opinion through ‘collective wisdom’” [embedded post]
  • @paleofuture Matt Novak on bluesky
    “On Polymarket, the Journal found, 67% of profits go to just 0.1% of accounts.  That means less than 2,000 accounts netted a total of nearly half a billion dollars.”
  • Nizan Geslevich Packin Nizan Geslevich Packin on linkedin
    New data on prediction markets out today (The Wall Street Journal), reinforces what we have been researching. …