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%

BETA
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Highest temperature in Boston on Mar 31, 2026?
kalshi

Highest temperature in Boston on Mar 31, 2026?

Volume:
$125,488

56° to 57°

 - Kalshi

56° to 57° - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Apr 1, 2026

Closed: Apr 1, 3:00 PM 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

56° to 57°

View
100%
Yes 100¢No 0¢
—
N/A
$18,853
N/A
N/A
$9,859
Settled
Yes
kalshi

64° or above

0%
Yes 0¢No 100¢
—
N/A
$34,209
N/A
N/A
$15,280
Settled
No
kalshi

55° or below

0%
Yes 0¢No 100¢
—
N/A
$29,196
N/A
N/A
$22,367
Settled
No
kalshi

60° to 61°

0%
Yes 0¢No 100¢
—
N/A
$16,472
N/A
N/A
$8,872
Settled
No
kalshi

58° to 59°

0%
Yes 0¢No 100¢
—
N/A
$14,520
N/A
N/A
$8,461
Settled
No
kalshi

62° to 63°

0%
Yes 0¢No 100¢
—
N/A
$12,238
N/A
N/A
$8,102
Settled
No
Total markets: 6

Description

This event tracks the maximum temperature recorded in Boston on March 31, 2026, as reported by the National Weather Service's Climatological Report (Daily). The market resolves to Yes across virtually all temperature ranges except for a single narrow band, meaning it will almost certainly resolve to Yes regardless of the actual weather outcome.