Prediction market volume
30 days through Oct 6, 2026
$89.14B
across 10 exchanges
$0
$2B
$4B
$6B
Sep 7
Sep 14
Sep 21
Sep 28
Oct 5
1
Kalshi
$66.89B
75.0%
2
Polymarket US
$10.19B
11.4%
3
Polymarket
$4.47B
5.0%
4
Crypto.com
$1.85B
2.1%
5
Novig
$1.77B
2.0%
6
DraftKings
$1.71B
1.9%
7
Robinhood
$1.25B
1.4%
8
Underdog
$953M
1.1%
9
Gemini
$44.1M
<0.1%
10
ForecastEx
$18.8M
<0.1%
Data:
Volume Race
, from each exchange's own daily report. Updated daily.