Open Interest
Open interest for options by strike, by expiry or over time, or perp open interest when you add PERP. A toggle switches between the two.
OIOptions OI for BTC, ETH, SOL and HYPE and for US options. Perp OI for crypto perps: BTC, ETH, SOL and HYPE intraday, other coins daily.

Typing it
OISymbolPERP>OIBTC PERP
Opens BTC perp open interest in USD.
What you see
- OPTIONS / PERPS. The toggle at the top switches market without a new command.
- Options. By strike (split, net, calls, puts), by expiry (ITM and OTM), or history over 30d to 1y.
- Perps. OI as candles in USD, or OI and price both as percent change from the start of the window.
Arguments
- PERP
- Opens the perps view. P, PERPS and PERPETUAL work too. Takes interval= and hours=.
- OI CRYPTO
- Opens SCREEN, the live universe screener. UNIVERSE and ALL work too.
Good to know
- US options have no perps view and no history axis.
Also on the chart
The same data can sit on the price chart. Press / on the chart and search for: