TOTAL VOLUME:

$154.4b

24H VOL:

$230,589,906

24H TRANSACTIONS:

2,984,028,936

OPEN INTEREST:

$1,885,293,300

410,482

Markets across

40,213

events

MATCHED EVENTS:

4,340

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

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Lowest temperature in San Francisco on Oct 31, 2026?
kalshi

Lowest temperature in San Francisco on Oct 31, 2026?

Volume:
$1,587

53° to 54°

 - Kalshi

53° to 54° - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Nov 1, 2026

Closed: Nov 1, 3:00 AM EST

kalshi

Kalshi

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

53° to 54°

View
100%
11%
Yes 100¢No 0¢
—
N/A
$831
N/A
N/A
$654
Settled
Yes
kalshi

51° to 52°

0%
25%
Yes 0¢No 100¢
—
N/A
$292
N/A
N/A
$173
Settled
No
kalshi

49° to 50°

0%
1%
Yes 0¢No 100¢
—
N/A
$182
N/A
N/A
$115
Settled
No
kalshi

55° to 56°

0%
1%
Yes 0¢No 100¢
—
N/A
$133
N/A
N/A
$123
Settled
No
kalshi

57° or above

0%
1%
Yes 0¢No 100¢
—
N/A
$80
N/A
N/A
$80
Settled
No
kalshi

48° or below

0%
2%
Yes 0¢No 100¢
—
N/A
$69
N/A
N/A
$69
Settled
No
Total markets: 6

Description

This event tracks the lowest temperature recorded in San Francisco on a specific Halloween night, using data from a designated weather provider. Participants assess the likelihood of different temperature ranges occurring during that day.

Kalshi

All markets resolve based solely on the minimum temperature recorded at San Francisco (CLISFO) on October 31, 2026, as reported by The Weather Company. Each market corresponds to a specific temperature range: below 49°F, 49-50°F, 51-52°F, 53-54°F, 55-56°F, or above 56°F. The Exchange reserves the right to delay resolution if it identifies a material error in the initial data publication, extending the evaluation period until a corrected value is released or the expiration date passes. If data remains unavailable by the expiration date, markets will resolve at the last fair price determined by the Exchange. Preliminary readings may differ from final values due to rounding or conversion, so users should exercise caution when interpreting early data. The 'Final' status on The Weather Company's platform is informational only and does not exempt the data from potential correction or Exchange intervention.