Perp DEX open interest, live USD notional ranked
TradingOstium
Leads$158.65M
- p99
- $171.68M
- rank
- #6
- samples
- 5,758
Polymarket
Trails$21.87M
- p99
- $21.99M
- rank
- #10
- samples
- 500
Ostium vs Polymarket
Ostium leads on 1 of 1 shared benchmarks, Polymarket on 0. Ostium wins on Perp DEX open interest, live USD notional ranked ($158.65M vs $21.87M).
Ostium
Arbitrum-based perp DEX specialized in RWA exposure including FX, commodities and indices.
Polymarket
The largest crypto prediction market, settled on Polygon via UMA optimistic oracle. CLOB-style order book hosted on the Polymarket gateway with sub-second publish latency for live odds.
Side by side measurements
How this pair was selected
A pair is published when all four conditions hold. Both providers run in the same OpenChainBench benchmark for at least seven consecutive days. Each provider has at least 1000 samples in the measurement window. The head to head query has observable third party search demand. Both providers have a public /products/[slug] page on OCB. The full pair ledger is versioned in the public repo so the methodology is externally verifiable.