v1
latestOpenAPI 3.1.02026-07-2657157254.1 KBpolymarket
Get Market Open Interest Time Series
Provide historical open interest (total value of tokens circulating from split, merge, redeem, and conversion events) with min granularity day.
get/v2/polymarket/markets/{condition_id}/open_interest
Path parameters
condition_idstring required
Condition ID for the market
Condition ID for the market
Query parameters
granularity'day' | 'week' | 'month' | 'year' | 'all'
PnL granularity enum.
Time granularity
start_timeinteger nullable
Unix timestamp (seconds) for start
Unix timestamp (seconds) for start
end_timeinteger nullable
Unix timestamp (seconds) for end
Unix timestamp (seconds) for end
Response
Successful Response