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The snapshot from Oct 9, 12:30 AM ET isn’t kept: this page’s figures are live, and older snapshots aren’t stored yet. This is the latest, at its own permanent address: https://defirate.com/prediction-markets/volume/snapshot/2026-10-25T0630/.

Permanent snapshot · never updated

VolumeEvery figure as of Oct 25, 6:30 AM ET

A frozen record for citation. Numbers on the live page change as markets move; these don’t. Methodology · Live source records

Data observedOct 25, 6:30 AM ET
Live page updatedOct 25, 6:30 AM ET
Permanent URLhttps://defirate.com/prediction-markets/volume/snapshot/2026-10-25T0630
DownloadAll figures and contracts (CSV)
Daily volume by venue, USD (CSV)

Venues, 30 days (CSV)

Volume by category (CSV)

Most traded markets (CSV)

Prediction market volume, 30 days

$116.0B

The dollar value of all contracts traded on DraftKings Predictions, Gemini, Kalshi, Novig, Polymarket, Polymarket US, ProphetX, Rothera and Underdog Exchange, Sep 25-Oct 24, 2026.

Sum of daily traded volume across the nine venues.

Measure: Traded volume. Cited as: “Prediction markets traded $116.0 billion in 30 days” (DeFi Rate volume data).

Data sources (1)

DeFi Rate market data
Prediction-market volume by venue and categoryEndpoint /v1/partner/volumeDeFi Rate’s licensed data feed.

Kalshi’s share of volume

76%

Kalshi’s share of 30-day prediction-market volume across the venues we track.

Kalshi 30-day volume divided by the nine-venue total.

Measure: Traded volume. Cited as: “Kalshi handled 76% of prediction-market volume” (DeFi Rate volume data).

Data sources (1)

DeFi Rate market data
Prediction-market volume by venue and categoryEndpoint /v1/partner/volume/dailyDeFi Rate’s licensed data feed.

Kalshi volume vs. prior 30 days

+60%

Kalshi’s 30-day volume ($87.6B) compared with the 30 days before ($54.9B).

We’re double-checking this figure with our data provider; it will be updated here if it changes.

Measure: Traded volume. Cited as: “Kalshi’s volume rose 60% month over month” (DeFi Rate volume data).

Data sources (1)

DeFi Rate market data
Prediction-market volume by venue and categoryEndpoint /v1/partner/volume/dailyDeFi Rate’s licensed data feed.

Prediction market volume, 24 hours

$6826M

Dollars traded across the nine venues in the 24 hours to Oct 25, 2026.

Sum across venues.

Measure: Traded volume. Cited as: “$6826 million traded in 24 hours” (DeFi Rate volume data).

Data sources (1)

DeFi Rate market data
Prediction-market volume by venue and categoryEndpoint /v1/partner/volumeDeFi Rate’s licensed data feed.