FTNT option chain Fortinet, Inc.

Expiration Cboe delayed options data · as of 06:37 UTC

Each row is one strike. The left half is the call, the right half the put. Bid/ask are what buyers and sellers currently quote; volume is contracts traded this session; open interest is standing contracts. The highlighted row sits closest to the stock price.

This expiration prices a move of about ±39.1% (104.90–239.70) · ATM IV 52.5% · P/C open interest 1.06

CALLS								Strike	PUTS
Bid	Ask	Vol	OIThe number of option contracts currently outstanding at a strike or expiration. High open interest shows where positions are concentrated.	IV	ΔModel sensitivity of an option's price to a $1 move in the stock; also used as a rough moneyness scale (a 25-delta option is well out of the money).	Γ	Θ		Bid	Ask	Vol	OI	IV	Δ	Γ	Θ
86.85	90.50		15	56.4%	0.94	0.0013	-0.004	90	2.24	3.70		101	56.0%	-0.06	0.0013	-0.017
82.85	86.40		10	56.0%	0.93	0.0015	-0.007	95	2.90	4.45	1	77	55.5%	-0.07	0.0016	-0.019
79.05	81.90		44	54.9%	0.92	0.0017	-0.010	100	3.95	5.10		77	55.3%	-0.09	0.0018	-0.021
74.80	78.05		13	53.9%	0.90	0.0019	-0.013	105	4.55	6.40		77	55.0%	-0.10	0.0020	-0.024
71.05	74.15		45	53.5%	0.89	0.0022	-0.016	110	5.60	7.55		73	54.8%	-0.12	0.0022	-0.026
68.25	70.65		33	54.7%	0.87	0.0024	-0.019	115	6.10	8.75		149	53.6%	-0.14	0.0025	-0.029
64.15	67.15		46	53.6%	0.85	0.0026	-0.022	120	8.05	10.20		19	54.4%	-0.15	0.0027	-0.031
60.75	64.40		12	54.1%	0.83	0.0028	-0.025	125	9.45	11.75		18	54.2%	-0.17	0.0030	-0.033
57.50	60.55		58	53.2%	0.81	0.0031	-0.028	130	10.15	13.55		65	53.2%	-0.19	0.0032	-0.035
54.35	57.90		25	53.5%	0.79	0.0033	-0.030	135	13.00	15.30	3	15	54.3%	-0.21	0.0034	-0.038
51.35	54.95		28	53.3%	0.77	0.0034	-0.033	140	14.60	17.15		16	53.8%	-0.24	0.0036	-0.040
48.90	51.55		19	53.0%	0.75	0.0036	-0.035	145	16.00	19.05		5	53.0%	-0.26	0.0038	-0.041
45.55	48.80		990	52.2%	0.73	0.0038	-0.037	150	18.30	21.35		132	53.2%	-0.28	0.0040	-0.043
43.60	46.75		25	53.2%	0.71	0.0040	-0.039	155	21.10	23.70		27	53.6%	-0.30	0.0042	-0.045
41.30	43.70		54	52.7%	0.69	0.0041	-0.040	160	22.25	25.90		3	52.3%	-0.33	0.0044	-0.046
39.00	41.65		29	52.9%	0.67	0.0042	-0.042	165	25.70	28.45		12	53.0%	-0.35	0.0045	-0.047
35.80	39.50		26	52.1%	0.64	0.0043	-0.043	170	28.45	31.05	2	68	52.9%	-0.37	0.0046	-0.048
34.60	37.25	1	66	52.6%	0.62	0.0044	-0.044	175	31.15	33.45		13	52.5%	-0.40	0.0048	-0.049
32.50	35.05		28	52.3%	0.60	0.0045	-0.045	180	33.95	36.90		31	52.8%	-0.42	0.0049	-0.049
29.60	33.45		20	51.7%	0.58	0.0046	-0.046	185	36.30	39.65		85	52.0%	-0.44	0.0050	-0.050
27.70	31.60		40	51.5%	0.56	0.0046	-0.047	190	39.00	42.90		16	51.8%	-0.47	0.0050	-0.050
27.05	29.55		75	52.0%	0.54	0.0046	-0.047	195	43.10	45.90		8	52.2%	-0.49	0.0051	-0.050
25.40	28.35		661	52.3%	0.52	0.0046	-0.048	200	46.55	49.20	2	759	52.3%	-0.51	0.0052	-0.050
22.75	24.90		17	52.0%	0.48	0.0046	-0.048	210	52.90	56.00		83	51.6%	-0.56	0.0052	-0.050
19.05	22.25		20	51.1%	0.44	0.0046	-0.048	220	60.00	63.30		38	51.4%	-0.60	0.0053	-0.049
17.15	19.90		146	51.4%	0.40	0.0045	-0.047	230	67.50	71.05			51.3%	-0.64	0.0053	-0.048
15.05	17.95		1	51.5%	0.37	0.0044	-0.046	240	75.80	79.10		16	51.7%	-0.68	0.0052	-0.046
13.20	16.10		93	51.4%	0.34	0.0043	-0.045	250	84.00	87.75			52.0%	-0.71	0.0052	-0.045

Strikes shown: within ±50% of the underlying price. Intrinsic value = max(0, price − strike) for calls, max(0, strike − price) for puts; extrinsic = option price − intrinsic. Greeks and IV as computed by the exchange feed.

Volatility smile — Sep 17, 2027

Volatility page →

Implied volatility per strike for this expiration. Out-of-the-money puts usually price higher IV than calls — the skew.

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FTNT option chain Fortinet, Inc.

Volatility smile — Sep 17, 2027

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