TOTAL VOLUME:

$134.1b

24H VOL:

$133,388,117

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,436,095,462

405,232

Markets across

30,526

events

MATCHED EVENTS:

2,693

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Lowest temperature in San Francisco on Sep 19, 2026?
kalshi

Lowest temperature in San Francisco on Sep 19, 2026?

Volume:
$2,882

57° to 58°

 - Kalshi

57° to 58° - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 20, 2026

Closed: Sep 20, 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

57° to 58°

View
100%
2%
Yes 100¢No 0¢
100¢
N/A
$667
N/A
N/A
$543
Settled
Yes
kalshi

55° to 56°

0%
15%
Yes 0¢No 100¢
100¢
N/A
$1,632
N/A
N/A
$643
Settled
No
kalshi

59° to 60°

0%
1%
Yes 0¢No 100¢
100¢
N/A
$255
N/A
N/A
$176
Settled
No
kalshi

53° to 54°

0%
1%
Yes 0¢No 100¢
100¢
N/A
$194
N/A
N/A
$172
Settled
No
kalshi

61° or above

0%
Yes 0¢No 100¢
100¢
N/A
$97
N/A
N/A
$97
Settled
No
kalshi

52° or below

0%
1%
Yes 0¢No 100¢
100¢
N/A
$36
N/A
N/A
$36
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. The outcome depends entirely on the official temperature reading for that day, with different markets covering various temperature ranges.

Kalshi

All markets resolve based on the minimum temperature recorded at San Francisco (CLISFO) on September 19, 2026, as reported by The Weather Company. Each market corresponds to a specific temperature range: 52°F or below, 53°F to 54°F, 55°F to 56°F, 57°F to 58°F, 59°F to 60°F, or above 60°F. The Exchange uses The Weather Company's official reporting as the sole determinant, even if other sources show different values. Preliminary data may be subject to rounding or conversion differences, and the Exchange reserves the right to delay resolution if it identifies a material error in the initial publication. If no valid data exists by the expiration date, markets resolve to the last fair price determined by the Exchange. The "Final" status on The Weather Company's platform is informational only and does not guarantee data accuracy or exempt markets from potential revisions.