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11 postsLatest September 15, 2026

Polymarket news and market reads

Who holds each side of the markets people are watching, where the profitable wallets and the price disagree, and which wallets carry the bet. RSS at /feed.xml.

  1. A Six-Day-Old Wallet Bet $9.6M on Six Favorites, Then the Chiefs

    00gringo00 made its first trade on 8 September. Six days and $9.6 million later it had bought one soccer favorite a day, won five of six, and put $2.29 million on the Chiefs three hours after collecting on Roma.

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  2. The Smart Money Took the Lock, Not the Side

    Two S-grade accounts up more than $9.6 million each built Humbert positions all afternoon. An hour before first serve, one sweep filled both of their Bonzi bids at 32 cents and locked their books. What is left still leans Humbert.

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  3. Four World Cup Favorites, and the Money Agrees With All of Them

    Four women's World Cup qualifiers close out tonight with every favorite priced like a near-lock. I sorted the holders: the most profitable accounts and the biggest loser are all on the same chalk.

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  4. The Knicks Have the Smartest Money. And the Dumbest.

    New York is up 2-0 and only a coin-flip favorite for Game 3. I sorted the holders: the two most profitable accounts in the market are both on the Knicks, and so are two of the worst.

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  5. One Wallet Was 85% of the Zverev Bet

    Zverev was the favorite at Roland Garros and the smart money agreed. Then I sorted the holders: 85 percent of the entire Zverev side was one S-grade wallet, while sharp whales quietly sat on Cobolli.

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  6. The New 0xinsider Is Here

    Better data, a faster live feed, and a terminal that leads with live positions instead of a scrolling list of trades. Live now across Polymarket and Kalshi, in time for Polymarket's CLOBv2 cutover.

    Kalshi was retired on September 8, 2026, and 0xinsider now covers Polymarket only. This post describes the product as it shipped on the date above. Read the retirement note

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  7. 0xinsider Is Now Open to Everyone

    A trader drops $400K. The price moves. You find out six hours later on Twitter. That information gap costs real money. Today, it closes.

    Kalshi was retired on September 8, 2026, and 0xinsider now covers Polymarket only. This post describes the product as it shipped on the date above. Read the retirement note

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  8. Introducing Large Positions: See Who's Quietly Building Massive Bets

    A new way to spot conviction before the market moves. Large Positions surfaces traders accumulating massive positions through many small trades, the kind of activity that flies under every other radar.

    Kalshi was retired on September 8, 2026, and 0xinsider now covers Polymarket only. This post describes the product as it shipped on the date above. Read the retirement note

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  9. Beta Ends March 15: What Happens Next

    The beta program closes on March 15. Here's what changes, what stays, and why locking in now matters.

    Kalshi was retired on September 8, 2026, and 0xinsider now covers Polymarket only. This post describes the product as it shipped on the date above. Read the retirement note

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  10. The Beta Program Is Now Open to Everyone

    We're opening up full access to beta testers. Join our Discord, grab a code, and get the full platform, free.

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  11. Introducing 0xinsider: The Complete Analytics Platform for Prediction Markets

    We built the analytics platform we wished existed. Deep trader profiles, ML-powered rankings, multi-wallet portfolios, trade alerts, and more, all in one place.

    Kalshi was retired on September 8, 2026, and 0xinsider now covers Polymarket only. This post describes the product as it shipped on the date above. Read the retirement note

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