VolumeWhere every number comes from
The data, rate or quote types and calculation behind each figure on the Volume page. Data as of Nov 9, 1:30 PM ET; this page updates with it. For a copy of these figures to cite, use the snapshot (kept until the next update; older snapshots aren’t stored yet).
Venues, 30 days
Volume by category
Most traded markets
Every figure and contract
Prediction market volume, 30 days
$137.0BThe dollar value of all contracts traded on DraftKings Predictions, Gemini, Kalshi, Novig, Polymarket, Polymarket US, ProphetX, Rothera and Underdog Exchange, Oct 10-Nov 8, 2026.
Sum of daily traded volume across the nine venues.
Measure: Traded volume. Cited as: “Prediction markets traded $137.0 billion in 30 days” (DeFi Rate volume data).
Data sources (1)
Kalshi volume vs. prior 30 days
+58%Kalshi’s 30-day volume ($108.8B) compared with the 30 days before ($68.7B).
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 58% month over month” (DeFi Rate volume data).
Data sources (1)
Prediction market volume, 24 hours
$5445MDollars traded across the nine venues in the 24 hours to Nov 9, 2026.
Sum across venues.
Measure: Traded volume. Cited as: “$5445 million traded in 24 hours” (DeFi Rate volume data).