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%

BETA
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All
Highest temperature in Boston on Mar 20, 2026?
kalshi

Highest temperature in Boston on Mar 20, 2026?

Volume:
$58,392

56° or above

 - Kalshi

56° or above - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Mar 21, 2026

Closed: Mar 21, 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° or above

View
100%
Yes 100¢No 0¢
—
N/A
$16,901
N/A
N/A
$10,875
Settled
Yes
kalshi

52° to 53°

0%
Yes 0¢No 100¢
—
N/A
$14,897
N/A
N/A
$12,877
Settled
No
kalshi

54° to 55°

0%
Yes 0¢No 100¢
—
N/A
$9,156
N/A
N/A
$7,429
Settled
No
kalshi

48° to 49°

0%
Yes 0¢No 100¢
—
N/A
$7,758
N/A
N/A
$7,128
Settled
No
kalshi

50° to 51°

0%
Yes 0¢No 100¢
—
N/A
$7,193
N/A
N/A
$6,750
Settled
No
kalshi

47° or below

0%
Yes 0¢No 100¢
—
N/A
$2,487
N/A
N/A
$1,796
Settled
No
Total markets: 6

Description

This event tracks the maximum temperature recorded in Boston on March 20, 2026, according to the National Weather Service's official daily climatological report. Regardless of whether the temperature falls above or below any particular threshold, the market resolves to Yes, making this a certainty market that will always resolve affirmatively based on whatever temperature is officially recorded.