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Open Interest

Query OI snapshots, symbol-level timeseries, and exchange leaderboards across 40+ tracked venues, with per-exchange symbol breakdowns and a ranked symbol list sorted by total OI USD. Historical depth ranges from 30 days on Dev to full available depth on Pro for the symbol and exchange-total timeseries, with hourly or daily granularity depending on the selected window.

DevOI SymbolsGET /oi/symbols

Ranked symbol leaderboard by total open interest USD with 24h change and exchange coverage.

DevExchange OI TotalsGET /oi/exchange-totals

Aggregated open interest per exchange over a date range, in USD or contracts.

FreeSymbol OI TimeseriesGET /oi/{symbol}/timeseries

OI timeseries for all exchanges on a base symbol.

DevExchanges SummaryGET /oi/exchanges-summary

Exchange OI leaderboard with 24h/7d changes, sparklines, and market share.

DevExchange SymbolsGET /oi/exchange-symbols

All symbols on one exchange with OI USD, share of exchange, and changes.

DevTop Symbols TimeseriesGET /oi/exchange-top-symbols-timeseries

Daily OI timeseries for top N symbols on one exchange — wide format for stacked charts.

DevOI MetadataGET /oi/metadata

Available exchanges and symbols from recent OI data — catalog for routing and discovery.