TOTAL VOLUME:

$134.1b

24H VOL:

$113,466,932

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,423,222,590

402,751

Markets across

30,217

events

MATCHED EVENTS:

2,632

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Highest temperature in Boston on May 21, 2026?
kalshi

Highest temperature in Boston on May 21, 2026?

Volume:
$142,303

73° or above

 - Kalshi

73° or above - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved May 22, 2026

Closed: May 22, 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

73° or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$76,282
N/A
N/A
$72,254
Settled
Yes
kalshi

65° to 66°

0%
Yes 0¢No 100¢
100¢
N/A
$25,784
N/A
N/A
$25,155
Settled
No
kalshi

64° or below

0%
Yes 0¢No 100¢
100¢
N/A
$21,970
N/A
N/A
$20,100
Settled
No
kalshi

71° to 72°

0%
Yes 0¢No 100¢
100¢
N/A
$8,699
N/A
N/A
$7,052
Settled
No
kalshi

69° to 70°

0%
Yes 0¢No 100¢
100¢
N/A
$5,831
N/A
N/A
$4,926
Settled
No
kalshi

67° to 68°

0%
Yes 0¢No 100¢
100¢
N/A
$3,737
N/A
N/A
$2,812
Settled
No
Total markets: 6

Description

The maximum temperature in Boston on May 21, 2026 will be recorded by the National Weather Service. This event tracks the actual weather conditions experienced in New England on that specific date.