Exchanges / Kalshi
Prediction market volume
Kalshi trading volume
Kalshi traded $2.18B on Tue Oct 6, 2026, 77.9% of the day's volume across U.S. exchanges and Polymarket. Over the last 30 days it handled $66.89B, a 75.0% share, and ranks #1 of 10 exchanges tracked.
KalshiEX LLC · CFTC DCM · Source: Kalshi daily market data file
Daily volume, last 90 days
Notional volume: contracts traded × each contract's payout. Record day: $3.68B on Oct 4, 2026.
What trades on Kalshi
Last 30 days, from Kalshi's own product codes.
Biggest Kalshi markets, Tue Oct 6, 2026
Single markets by volume, from Kalshi's daily file. Parlays left out.
| # | Market | Exchange | Volume |
|---|---|---|---|
| 1 | Croatia vs Spain UEFA Nations League · Oct 6 | Kalshi | $20.3M |
| 2 | Game 3: Los Angeles D vs Atlanta MLB · Oct 6 | Kalshi | $19.2M |
| 3 | Game 3: Milwaukee vs San Diego MLB · Oct 6 | Kalshi | $16.3M |
| 4 | Argentina vs Benin Intl Friendlies · Oct 6 | Kalshi | $8.1M |
| 5 | Holmgren vs Martinez ATP Challenger Villena · Oct 6 | Kalshi | $7.4M |
| 6 | Southern Miss vs Troy College football · Oct 6 | Kalshi | $5.7M |
| 7 | India vs West Indies T20 International (M) · Oct 6 | Kalshi | $5.5M |
| 8 | Justo vs Comesana ATP Challenger Antofagasta · Oct 6 | Kalshi | $5.4M |
| 9 | Southern Miss vs Troy: Spread College football · Oct 6 | Kalshi | $5.4M |
| 10 | 2027 Pro Football Champion NFL · 2026-27 | Kalshi | $5.2M |
Last 30 days
Share is of all exchanges tracked that day.
| Day | Volume | Share | Combos | Non-sports |
|---|---|---|---|---|
| Tue Oct 6, 2026 | $2.18B | 77.9% | $1.33B | $422M |
| Mon Oct 5, 2026 | $2.19B | 76.7% | $1.33B | $423M |
| Sun Oct 4, 2026 | $3.68B | 73.6% | $2.53B | $350M |
| Sat Oct 3, 2026 | $3.45B | 79.0% | $2.40B | $322M |
| Fri Oct 2, 2026 | $2.52B | 78.7% | $1.61B | $470M |
| Thu Oct 1, 2026 | $2.42B | 78.5% | $1.53B | $434M |
| Wed Sep 30, 2026 | $2.07B | 77.4% | $1.23B | $439M |
| Tue Sep 29, 2026 | $2.20B | 76.1% | $1.34B | $454M |
| Mon Sep 28, 2026 | $2.07B | 75.4% | $1.22B | $444M |
| Sun Sep 27, 2026 | $3.04B | 66.6% | $1.97B | $336M |
| Sat Sep 26, 2026 | $3.03B | 73.7% | $2.04B | $295M |
| Fri Sep 25, 2026 | $2.49B | 76.8% | $1.60B | $389M |
| Thu Sep 24, 2026 | $2.12B | 75.9% | $1.25B | $372M |
| Wed Sep 23, 2026 | $1.80B | 75.9% | $1.04B | $383M |
| Tue Sep 22, 2026 | $1.80B | 75.1% | $981M | $409M |
| Mon Sep 21, 2026 | $1.49B | 71.3% | $687M | $428M |
| Sun Sep 20, 2026 | $2.82B | 66.8% | $1.76B | $327M |
| Sat Sep 19, 2026 | $3.01B | 75.5% | $1.92B | $309M |
| Fri Sep 18, 2026 | $2.14B | 76.5% | $1.26B | $420M |
| Thu Sep 17, 2026 | $1.85B | 75.7% | $1.05B | $345M |
| Wed Sep 16, 2026 | $1.93B | 76.7% | $1.15B | $375M |
| Tue Sep 15, 2026 | $1.88B | 77.2% | $1.07B | $397M |
| Mon Sep 14, 2026 | $1.65B | 73.9% | $910M | $359M |
| Sun Sep 13, 2026 | $2.46B | 71.4% | $1.49B | $261M |
| Sat Sep 12, 2026 | $2.43B | 74.7% | $1.48B | $226M |
| Fri Sep 11, 2026 | $1.73B | 77.0% | $976M | $338M |
| Thu Sep 10, 2026 | $1.55B | 74.4% | $826M | $326M |
| Wed Sep 9, 2026 | $1.90B | 77.7% | $1.09B | $320M |
| Tue Sep 8, 2026 | $1.63B | 79.0% | $925M | $307M |
| Mon Sep 7, 2026 | $1.38B | 76.0% | $719M | $273M |
Kalshi volume: questions
How much does Kalshi trade per day?
Kalshi averaged $2.23B a day over the 30 days through Oct 6, 2026, $66.89B in all, up 59% from the 30 days before. Its latest day, Tue Oct 6, 2026, was $2.18B. Its busiest day since Jan 1, 2025 was $3.68B on Oct 4, 2026.
What is Kalshi's share of prediction market volume?
75.0% of notional volume across the 10 exchanges Volume Race tracks, over the 30 days through Oct 6, 2026. That ranks Kalshi #1. See every exchange ranked.
How much of Kalshi's volume is sports?
84% of Kalshi's volume over the last 30 days was sports, including combos (parlays) at 61%. Non-sports markets such as politics, economics, crypto and weather were 16%.
Where does Kalshi's volume data come from?
From Kalshi's own daily market data file, published by KalshiEX LLC, a CFTC-registered exchange. Volume Race reads it every day and counts notional volume: contracts traded times each contract's payout. Source file · Methodology
Combos are Kalshi multivariate (KXMVE) markets. Sports vs non-sports uses Kalshi's own series categories. Days follow Kalshi's own trading day as reported. How every exchange is measured.
Other exchanges: Polymarket US · Polymarket · DraftKings · Crypto.com · Robinhood · Novig · Underdog · ForecastEx · Gemini. Compare: Kalshi vs Polymarket.