Live BTC and ETH options from the #2 venue by open interest
View the live Bullish chain →option.watch streams the Bullish options chain in real time. For any expiry you see live bids, asks and quantities at every strike for both calls and puts, refreshed every 100ms over a WebSocket feed direct from the exchange — never delayed, never cached.
Bullish is an institutional-grade centralised exchange that has quietly grown into the second-largest crypto options venue in the world by open interest, behind only Deribit. option.watch streams its full chain in real time.
BTC ETH
Bullish lists BTC and ETH options, priced and settled in USDC. Despite its lower profile than Binance or Bybit, its open interest ranks second globally — a sign of deep institutional liquidity.
Bullish's open interest sits behind only Deribit, reflecting strong institutional flow even though it gets less retail attention. Its BTC and ETH options are linear (USDC-settled), so the chart Y-axis reads in plain dollars. option.watch lets you put Bullish beside Deribit, Binance and the rest to compare where liquidity actually concentrates for a given strike and expiry, with the Middle Line providing reliable prices across illiquid strikes.
Open live Bullish options →How big is Bullish in crypto options?
Bullish is the second-largest crypto options venue in the world by BTC open interest, behind only Deribit.
Which assets have options on Bullish?
Bullish lists BTC and ETH options, priced and settled in USDC.
Where can I see a live Bullish options chain?
option.watch streams Bullish's full BTC and ETH chains in real time, updating every 100ms via WebSocket with no login required.
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