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Market InsightsWednesday, September 23, 20263 min readPolymarketFlow Research

Market Intelligence — Wednesday, September 23, 2026

Today's market overview

Active prediction markets traded $64.0M in the last 24 hours. Here is what moved, where the largest positions sit, and what resolves next.

What moved

Biggest gain

Bitcoin above ___ on September 21? climbed +17.6 points to 18% on $283.4K of 24-hour volume. The market asks: Will the price of Bitcoin be above $86,000 on September 21?

Biggest drop

US announces end of Iranian blockade by...? fell -6.5 points to 8% on $322.6K of 24-hour volume. The market asks: US announces end of Iranian blockade by September 30, 2026?

Where the biggest money sits

Positions below are valued at the current price. Amounts are share counts; each winning share redeems for $1, so "at risk" is shares times price. Parked capital priced at 95¢ or higher and identical-size positions spread across every outcome of one event are excluded, because those are market-making rather than directional bets.

  • goshkam holds 3.5M shares of NO on "Cincinnati Reds vs. Atlanta Braves" at 0¢ — about $1.8K at risk, paying $3.5M if it resolves that way.
  • thestingsnake holds 201.4K shares of NO on "Hangzhou Open, Qualification: Fajing Sun vs Matthew Dellavedova" at 0¢ — about $101 at risk, paying $201.4K if it resolves that way.
  • Talvez10 holds 191.1K shares of NO on "Boston Red Sox vs. Texas Rangers" at 0¢ — about $96 at risk, paying $191.1K if it resolves that way.
  • Diabolical-Prize holds 161.0K shares of YES on "Counter-Strike: B8 vs Luminosity (BO3) - Logitech G Play Connect Playoffs" at 0¢ — about $81 at risk, paying $161.0K if it resolves that way.
  • Full rankings on the biggest bets page, with wallet history in the whale tracker and new positions in the free alerts feed.

    Resolving in the next seven days

    Nothing with an open outcome resolves in the next seven days.

    The full 31-day view is on the resolution calendar.

    Where to look next

    Live trackers for the questions that draw the most attention: Fed decision odds for cut, hold or hike at each remaining FOMC meeting, and 2026 midterm odds for control of Congress. Perpetual futures data, including funding rates, is on the Perps screener.

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    *Generated from PolymarketFlow's ingested Polymarket data. Prices are market prices shown for information only, not advice. Trading availability depends on your jurisdiction.*