TOTAL VOLUME:

$134.2b

24H VOL:

$126,590,312

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,439,516,703

404,175

Markets across

30,277

events

MATCHED EVENTS:

2,685

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Where will it rain on Sep 20, 2026?
kalshi

Where will it rain on Sep 20, 2026?

Volume:
$956,483

Boston

 - Kalshi

Boston - 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

Boston

View
100%
5%
Yes 100¢No 0¢
100¢
N/A
$128,365
N/A
N/A
$38,597
Settled
Yes
kalshi

Denver

View
100%
83%
Yes 100¢No 0¢
100¢
N/A
$91,484
N/A
N/A
$23,551
Settled
Yes
kalshi

Miami

View
100%
18%
Yes 100¢No 0¢
100¢
N/A
$50,944
N/A
N/A
$38,627
Settled
Yes
kalshi

Milwaukee

View
100%
10%
Yes 100¢No 0¢
100¢
N/A
$15,767
N/A
N/A
$13,506
Settled
Yes
kalshi

New York City

View
100%
1%
Yes 100¢No 0¢
100¢
N/A
$15,296
N/A
N/A
$14,460
Settled
Yes
kalshi

Newark

View
100%
Yes 100¢No 0¢
100¢
N/A
$13,900
N/A
N/A
$13,342
Settled
Yes
kalshi

Philadelphia

View
100%
10%
Yes 100¢No 0¢
100¢
N/A
$13,167
N/A
N/A
$8,854
Settled
Yes
kalshi

Chicago

View
100%
Yes 100¢No 0¢
100¢
N/A
$11,242
N/A
N/A
$10,660
Settled
Yes
kalshi

Trenton

View
100%
8%
Yes 100¢No 0¢
100¢
N/A
$7,809
N/A
N/A
$7,193
Settled
Yes
kalshi

Columbus

View
100%
4%
Yes 100¢No 0¢
100¢
N/A
$7,378
N/A
N/A
$5,497
Settled
Yes
kalshi

Providence

View
100%
2%
Yes 100¢No 0¢
100¢
N/A
$5,584
N/A
N/A
$5,420
Settled
Yes
kalshi

Dallas

View
0%
36%
Yes 0¢No 100¢
100¢
N/A
$162,850
N/A
N/A
$57,684
Settled
No
kalshi

Oklahoma City

View
0%
66%
Yes 0¢No 100¢
100¢
N/A
$82,662
N/A
N/A
$32,185
Settled
No
kalshi

Austin

View
0%
10%
Yes 0¢No 100¢
100¢
N/A
$76,472
N/A
N/A
$33,325
Settled
No
kalshi

Washington DC

View
0%
67%
Yes 0¢No 100¢
100¢
N/A
$76,232
N/A
N/A
$24,784
Settled
No
kalshi

San Antonio

View
0%
9%
Yes 0¢No 100¢
100¢
N/A
$60,718
N/A
N/A
$27,464
Settled
No
kalshi

Atlanta

View
0%
20%
Yes 0¢No 100¢
100¢
N/A
$30,674
N/A
N/A
$12,846
Settled
No
kalshi

Houston

View
0%
6%
Yes 0¢No 100¢
100¢
N/A
$21,916
N/A
N/A
$16,192
Settled
No
kalshi

New Orleans

View
0%
4%
Yes 0¢No 100¢
100¢
N/A
$14,461
N/A
N/A
$10,255
Settled
No
kalshi

Seattle

View
0%
1%
Yes 0¢No 100¢
100¢
N/A
$14,292
N/A
N/A
$11,634
Settled
No
kalshi

Minneapolis

View
0%
4%
Yes 0¢No 100¢
100¢
N/A
$11,266
N/A
N/A
$8,365
Settled
No
kalshi

Los Angeles

View
0%
2%
Yes 0¢No 100¢
100¢
N/A
$8,929
N/A
N/A
$6,129
Settled
No
kalshi

Las Vegas

View
0%
Yes 0¢No 100¢
100¢
N/A
$8,505
N/A
N/A
$7,180
Settled
No
kalshi

Phoenix

View
0%
Yes 0¢No 100¢
100¢
N/A
$8,351
N/A
N/A
$6,159
Settled
No
kalshi

College Station

View
0%
7%
Yes 0¢No 100¢
100¢
N/A
$7,275
N/A
N/A
$5,851
Settled
No
Total markets: 25 of 27

Description

This set of markets assesses whether measurable rainfall will occur in various U.S. cities on a specific date in 2026. Each market focuses on a different location, providing insights into regional weather expectations for that day.

Kalshi

Each market evaluates whether measurable precipitation occurs in a specified U.S. city on September 20, 2026. For a market to resolve as 'Yes,' the total precipitation at the designated weather station must exceed zero inches. 'Trace' amounts and missing data are counted as zero inches. All markets use data reported by The Weather Company, accessible via weather.com/kalshi, as the official and final source for verification. The consistent application of these criteria across all markets ensures uniform assessment of rainfall occurrence nationwide.