Where the liquidity is
As of November 11, 2026, the 17692 open contracts in Polymarket's 300 deepest events carry $401M of order-book liquidity. The 10 deepest contracts hold 6% of it. Politics has the most ($225M) with a median spread of 1.0 cents.
By category
| Category | Contracts | Liquidity | Median spread | Median daily turnover |
|---|---|---|---|---|
| politics | 1601 | $225M | 1.0¢ | 0.00x |
| sports | 14974 | $125M | 79.0¢ | 0.00x |
| crypto | 358 | $18.1M | 0.9¢ | 0.03x |
| economy | 67 | $9.3M | 1.0¢ | 0.03x |
| pop-culture | 401 | $8.9M | 0.3¢ | 0.00x |
| other | 170 | $5.3M | 0.7¢ | 0.05x |
| tech | 44 | $3.7M | 0.7¢ | 0.01x |
| geopolitics | 36 | $3.0M | 0.9¢ | 0.04x |
| business | 41 | $1.5M | 1.8¢ | 0.00x |
The 50 deepest contracts
Method
We pull the 300 open Polymarket events with the most liquidity from Polymarket's public gamma API and keep every open contract inside them. Liquidity is Polymarket's own figure for resting order-book depth. Spread is best ask minus best bid on the YES side. Daily turnover is 24-hour volume divided by liquidity: how many times the resting book traded over in a day. Categories come from Polymarket's event tags; an event with none of our listed tags is "other".