TOTAL VOLUME:

$154.5b

24H VOL:

$271,200,656

24H TRANSACTIONS:

2,984,640,614

OPEN INTEREST:

$1,922,627,141

420,368

Markets across

40,352

events

MATCHED EVENTS:

4,484

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

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Lowest temperature in San Francisco on Oct 18, 2026?
kalshi

Lowest temperature in San Francisco on Oct 18, 2026?

Volume:
$1,915

58° to 59°

 - Kalshi

58° to 59° - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 19, 2026

Closed: Oct 19, 4:00 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

58° to 59°

View
100%
97%
Yes 100¢No 0¢
—
N/A
$575
N/A
N/A
$360
Settled
Yes
kalshi

56° to 57°

0%
89%
Yes 0¢No 100¢
—
N/A
$516
N/A
N/A
$347
Settled
No
kalshi

54° to 55°

0%
45%
Yes 0¢No 100¢
—
N/A
$301
N/A
N/A
$255
Settled
No
kalshi

60° or above

0%
Yes 0¢No 100¢
—
N/A
$288
N/A
N/A
$286
Settled
No
kalshi

51° or below

0%
1%
Yes 0¢No 100¢
—
N/A
$155
N/A
N/A
$155
Settled
No
kalshi

52° to 53°

0%
1%
Yes 0¢No 100¢
—
N/A
$79
N/A
N/A
$79
Settled
No
Total markets: 6

Description

This event tracks the lowest temperature recorded in San Francisco on a specific date in the future, using data from a designated weather provider. Participants can speculate on whether the temperature will fall within various predefined ranges.

Kalshi

The event resolves based on the minimum temperature recorded in San Francisco (CLISFO) on October 18, 2026, as reported by The Weather Company. Each market corresponds to a specific temperature range: 51° or below, 52-53°, 54-55°, 56-57°, 58-59°, or 60° and above. The official data source is The Weather Company, and all participants must rely solely on its reported values for resolution. Preliminary data may be subject to rounding or conversion differences, and users should exercise caution when interpreting early readings. If a material error is identified in the initial publication, the Exchange reserves the right to delay expiration until a corrected revision is issued or until the expiration date, whichever occurs first. In the event that no data becomes available by the expiration date, all markets will resolve to the last fair price determined by Kalshi. The status of "Final" on weather.com/kalshi is provided for convenience but does not guarantee data accuracy or exempt the event from the above error-resolution procedures.