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Will CMI declare a Millennium Prize Problem solved by December 31, 2028?

21%-1 pt in 24 hoursPolymarket’s price is 21¢ for a share that pays $1 if this happens: the market gives it a 21% chance.

Price read 8 Nov 2026, 08:39 UTC. Prices move; Polymarket shows the live one.

4 wallets we follow hold this market ›

50% of them hold the same side.

Sides, amounts and records are on the Positions page.

Other outcomes in this event

Kahyna is an analytics site. Trading happens on Polymarket.

Best ask
22¢
Best bid
19¢
Spread
3¢
Volume, 24h
$742
Liquidity
$3,557
Closes
1 Jan 2029

A YES share costs the ask, 22¢, and sells for the bid, 19¢. The 3¢ between them is what a round trip costs before any fee. What a trade really costs

Recent prices

17%30%43%3 Nov4 Nov5 Nov6 Nov7 Nov8 Nov21%17%30%43%3 Nov5 Nov7 Nov21%
Polymarket price over the last 6 days, from 40% to 21%. Hourly, the last reading of each hour.

A price of 21¢ means the market, all traders together, puts the chance at 21%. How to read Polymarket odds

Prices are Polymarket's, from its public market data, read by Kahyna. Kahyna is not affiliated with Polymarket. The venue's own prices, shown as they were read. Not advice, and not a recommendation to trade.

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