Markets › Kalshi › Climate and Weather
Boston Maximum Daily Temperature on Kalshi
If the maximum temperature recorded at Boston (CLIBOS) for Nov 10, 2026, is greater than 61° fahrenheit according to The Weather Company, then the market resolves to Yes.
Settles on: The Weather Company.
Market says (typical open contract)
4%
Median YES price across 6 open contracts, 10 Nov 2026 09:57 UTC.
Real-world odds
31%
For the most traded contract (56° to 57°): market 66%, our simple model 31%. NWS forecast high 56°F for 2026-11-10 at Boston (BOS), typical error ±2.5°F. This model is untested: we score it against settled results every day and will publish whether it or the market called it better. Until then, treat the market as the better forecast; a gap is not an edge.
Luck needed meter
8% 😈
All but decided, says the market. The remaining cents are the price of the rare surprise, and the fee comes off them first.
The cover charge
| If you buy at | Fee per contract | On $50 | Win rate to break even |
|---|---|---|---|
| 4¢ (now) | 0.3¢ | $3.36 | 4.3% |
| 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.
Open contracts right now
| Contract | YES price | Implied | Fee at this price | Real-world odds | Luck needed | Volume | Closes |
|---|---|---|---|---|---|---|---|
| Will the maximum temperature be 56-57° on Nov 10, 2026? · 56° to 57° | 66¢ | 66% | 1.6¢ | 31% | 68% | 1,186 | Nov 11, 06:00 UTC |
| Will the maximum temperature be 58-59° on Nov 10, 2026? · 58° to 59° | 32¢ | 32% | 1.5¢ | 19% | 64% | 1,132 | Nov 11, 06:00 UTC |
| Will the maximum temperature be 54-55° on Nov 10, 2026? · 54° to 55° | 4¢ | 4% | 0.3¢ | 26% | 8% | 718 | Nov 11, 06:00 UTC |
| Will the maximum temperature be >61° on Nov 10, 2026? · 62° or above | 0¢ | 0% | 0.0¢ | 1% | 1% | 81 | Nov 11, 06:00 UTC |
| Will the maximum temperature be 60-61° on Nov 10, 2026? · 60° to 61° | 2¢ | 2% | 0.1¢ | 7% | 3% | 46 | Nov 11, 06:00 UTC |
| Will the maximum temperature be <54° on Nov 10, 2026? · 53° or below | 0¢ | 0% | 0.0¢ | 16% | 1% | 43 | Nov 11, 06:00 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.