What is the fee on Kalshi for this market?

At the current typical price of 22¢, about 1¢ per contract (7% × price × (1 − price), rounded up, on orders that take liquidity). On a $50 trade that is about $2.73.

What win rate do I need to break even?

About 23% if you hold to settlement, against a market price of 22%. The gap is the fee.

Markets › Kalshi › Science and Technology

Riemann Hypothesis resolution on Kalshi

If Riemann Hypothesis in its official Clay Mathematics Institute formulation is resolved before Jan 1, 2040 under the Payout Criterion and that resolution has not been retracted, withdrawn, repudiated, or rescinded prior to the Expiration time, then the market resolves to Yes.

Settles on: the Clay Mathematics Institute, the American Mathematical Society, the International Mathematical Union, The Washington Post, the Associated Press, Reuters, The Guardian, The Economist, The Wall Street Journal, Bloomberg News, the New York Times, Annals of Mathematics.

Market says (typical open contract)

22%

Median YES price across 6 open contracts, 10 Nov 2026 04:28 UTC.

Real-world odds

—

No independent base rate yet. Until we connect one (sportsbook consensus, forecasts, the score), the market's own price is the best public forecast, and the fee sits on top of it.

Luck needed meter

44% 😈

Half luck. The favorite is clear, the fee is not small, and the payout on the favorite is thin.

The cover charge

Fee and break-even by purchase price
If you buy at	Fee per contract	On $50	Win rate to break even
22¢ (now)	1.2¢	$2.73	23.2%
30¢	1.5¢	$2.45	31.5%
50¢	1.8¢	$1.75	51.7%
70¢	1.5¢	$1.05	71.5%
90¢	0.6¢	$0.35	90.6%

Resting orders pay no fee on this series. Formula: 7% × contracts × price × (1 − price), rounded up, on orders that take liquidity. Break-even assumes you hold to settlement; trading out early pays the fee twice.

How long until your balance is $0 in this market? →

Open contracts right now

Open contracts in this series with price, implied probability, volume and close time
Contract	YES price	Implied	Fee at this price	Real-world odds	Luck needed	Volume	Closes
Will the Riemann Hypothesis be resolved before 2027? · Before 2027	3¢	3%	0.2¢	—	6%	4,697	Jan 07, 15:00 UTC
Will the Riemann Hypothesis be resolved before 2029? · Before 2029	11¢	11%	0.7¢	—	22%	2,307	Jan 07, 15:00 UTC
Will the Riemann Hypothesis be resolved before 2028? · Before 2028	6¢	6%	0.4¢	—	13%	2,013	Jan 07, 15:00 UTC
Will the Riemann Hypothesis be resolved before 2030? · Before 2030	22¢	22%	1.2¢	—	44%	89	Jan 07, 15:00 UTC
Will the Riemann Hypothesis be resolved before 2035? · Before 2035	48¢	48%	1.7¢	—	96%	10	Jan 07, 15:00 UTC
Will the Riemann Hypothesis be resolved before 2040? · Before 2040	60¢	60%	1.7¢	—	79%	0	Jan 07, 15:00 UTC

Who actually wins this market

Whoever posts the resting orders and collects the spread without paying a fee.
The venue, on every fee.
Not, on average, the person clicking buy because the chart is going their way. That was us.

Still want to play? Read the deal first: what the account asks for, what the bonus really is, and whether we are paid. Vendors sell bots for markets like this one; see the bot benchmark before you pay for one.