Option chain for Janux Therapeutics (JANX): calls and puts for every expiration and strike, with quotes, volume, open interest, implied volatility and greeks. As of Oct 21, 2026, JANX had 6 option expirations, from Nov 20, 2026 to Jan 21, 2028, and 7,230 contracts traded that day. The nearest expiration, Nov 20, 2026, had an at-the-money implied volatility of 38.2% (-50% on the day) and 840 contracts traded; the busiest was Jan 21, 2028, with 2,534.

For the latest figures, see JANX options overview.

Key numbers

Expirations: at-the-money implied volatility, change on the day, volume

Nov 20, 2026 (30 days): ATM IV 38.2% (-50%), volume 840
Dec 18, 2026 (58 days): ATM IV 65.1% (+6%), volume 746
Jan 15, 2027 (86 days): ATM IV 42.5% (-27%), volume 1,366
Feb 19, 2027 (121 days): ATM IV 64.4% (+11%), volume 982
May 21, 2027 (212 days): ATM IV 49.5% (-22%), volume 762
Jan 21, 2028 (457 days): ATM IV 50.2% (+3%), volume 2,534

Data as of October 21, 2026.

JANX Option Chain

Detailed and comprehensive option chain for each expiration listed for JANX. Includes volume, open interest, implied volatility, and bid/ask for each strike. Investigate further by clicking on a strike and seeing trade activity, volatility movement, and yesterday's closing values. Use the built-in options profit calculator to see the profit or loss of any JANX options strategy.

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