Option chain for Fortinet (FTNT): calls and puts for every expiration and strike, with quotes, volume, open interest, implied volatility and greeks. As of Oct 21, 2026, FTNT had 13 option expirations, from Oct 23, 2026 to Jan 19, 2029, and 4,810 contracts traded that day. The nearest expiration, Oct 23, 2026, had an at-the-money implied volatility of 42.0% (-1% on the day) and 1,710 contracts traded.

For the latest figures, see FTNT options overview.

Key numbers

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

Oct 23, 2026 (2 days): ATM IV 42.0% (-1%), volume 1,710
Oct 30, 2026 (9 days): ATM IV 86.6% (+4%), volume 680
Nov 6, 2026 (16 days): ATM IV 72.9% (+1%), volume 222
Nov 13, 2026 (23 days): ATM IV 65.4% (+1%), volume 104
Nov 20, 2026 (30 days): ATM IV 60.4% (+1%), volume 948
Nov 27, 2026 (37 days): ATM IV 59.7% (+2%), volume 87
Dec 18, 2026 (58 days): ATM IV 53.9% (+1%), volume 344
Jan 15, 2027 (86 days): ATM IV 50.4% (-1%), volume 295
Mar 19, 2027 (149 days): ATM IV 52.3% (+1%), volume 99
Jun 17, 2027 (239 days): ATM IV 52.3% (+0%), volume 117
Sep 17, 2027 (331 days): ATM IV 52.1% (-1%), volume 55
Jan 21, 2028 (457 days): ATM IV 52.6% (+1%), volume 116
Jan 19, 2029 (821 days): ATM IV 52.7% (-0%), volume 33

Data as of October 21, 2026.

FTNT Option Chain

Detailed and comprehensive option chain for each expiration listed for FTNT. 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 FTNT options strategy.

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