TOTAL VOLUME:

$134.1b

24H VOL:

$141,541,542

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,440,096,988

406,065

Markets across

30,522

events

MATCHED EVENTS:

2,692

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Lowest temperature in Philadelphia on Sep 20, 2026?
kalshi

Lowest temperature in Philadelphia on Sep 20, 2026?

Volume:
$2,713

65° or above

 - Kalshi

65° or above - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 21, 2026

Closed: Sep 21, 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

65° or above

View
100%
2%
Yes 100¢No 0¢
100¢
N/A
$1,660
N/A
N/A
$1,194
Settled
Yes
kalshi

63° to 64°

0%
Yes 0¢No 100¢
100¢
N/A
$677
N/A
N/A
$634
Settled
No
kalshi

61° to 62°

0%
1%
Yes 0¢No 100¢
100¢
N/A
$118
N/A
N/A
$112
Settled
No
kalshi

57° to 58°

0%
1%
Yes 0¢No 100¢
100¢
N/A
$118
N/A
N/A
$110
Settled
No
kalshi

59° to 60°

0%
1%
Yes 0¢No 100¢
100¢
N/A
$110
N/A
N/A
$110
Settled
No
kalshi

56° or below

0%
3%
Yes 0¢No 100¢
100¢
N/A
$30
N/A
N/A
$30
Settled
No
Total markets: 6

Description

This event tracks the lowest temperature recorded in Philadelphia on a specific date in the future, using data from a designated weather provider. The outcome depends entirely on how cold it gets during that night, with different markets covering various temperature ranges.

Kalshi

All markets resolve based solely on the minimum temperature recorded at Philadelphia (CLIPHL) on September 20, 2026, as reported by The Weather Company. Each market covers a specific temperature range: 56°F or below, 57-58°F, 59-60°F, 61-62°F, 63-64°F, or 65°F and above. If the recorded low falls within a market's designated range, that market resolves to Yes; otherwise, it resolves to No. The Exchange retains discretion to delay resolution if it identifies material errors in the initial data publication, extending the evaluation period until either a corrected value is published or the expiration date passes. In cases where data remains unavailable by the expiration date, all markets will resolve to the last fair price determined by Kalshi. Preliminary readings may differ from final values due to rounding or conversion differences, and users should exercise caution when interpreting early data. The "Final" status on weather.com/kalshi is informational only and does not guarantee data accuracy or exempt markets from potential resolution adjustments.