TOTAL VOLUME:

$154.8b

24H VOL:

$260,393,102

24H TRANSACTIONS:

2,984,640,614

OPEN INTEREST:

$1,894,304,386

408,643

Markets across

39,771

events

MATCHED EVENTS:

4,493

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

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Lowest temperature in Boston on Oct 18, 2026?
kalshi

Lowest temperature in Boston on Oct 18, 2026?

Volume:
$2,937

36° or above

 - Kalshi

36° or above - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 19, 2026

Closed: Oct 19, 1:00 AM EST

kalshi

Kalshi

View
Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

36° or above

View
100%
8%
Yes 100¢No 0¢
—
N/A
$919
N/A
N/A
$822
Settled
Yes
kalshi

32° to 33°

0%
4%
Yes 0¢No 100¢
—
N/A
$1,133
N/A
N/A
$1,085
Settled
No
kalshi

28° to 29°

0%
2%
Yes 0¢No 100¢
—
N/A
$293
N/A
N/A
$172
Settled
No
kalshi

27° or below

0%
Yes 0¢No 100¢
—
N/A
$288
N/A
N/A
$177
Settled
No
kalshi

34° to 35°

0%
3%
Yes 0¢No 100¢
—
N/A
$206
N/A
N/A
$186
Settled
No
kalshi

30° to 31°

0%
Yes 0¢No 100¢
—
N/A
$98
N/A
N/A
$89
Settled
No
Total markets: 6

Description

This event tracks the expected minimum temperature in Boston on a specific date, helping participants assess climate conditions for planning or risk management purposes. The outcome depends solely on official weather data from a designated source.

Kalshi

All markets resolve based on the minimum temperature recorded at Boston's CLIBOS station on October 18, 2026, as reported by The Weather Company. Each market corresponds to a specific temperature range: below 28°F, 28–29°F, 30–31°F, 32–33°F, 34–35°F, or above 35°F. The Weather Company’s data is the sole authority, though preliminary readings may differ from final values due to rounding or conversion. If a material error is identified in the initial publication before the market’s expiration, the exchange may delay resolution until a corrected value is released or until the expiration date. If no data remains available by the expiration date, all markets resolve to the last fair price determined by the exchange. The "Final" status on The Weather Company’s platform is informational and does not guarantee data accuracy or exempt markets from potential adjustments.