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FTNT option chain Fortinet, Inc.

Cboe delayed options data · as of 18:34 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 ±8.6% (144.19–171.40) · ATM IV 43.2% · P/C open interest 2.49

CALLS Strike PUTS
BidAskVolOIThe number of option contracts currently outstanding at a strike or expiration. High open interest shows where positions are concentrated. IVΔModel 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).ΓΘ BidAskVolOI IVΔΓΘ
71.80 75.20 138.2% 1.00 0.0001 0.000 85 0 2.13 159.0% -0.00 0.0001 -0.001
66.80 70.20 126.3% 1.00 0.0001 0.000 90 0 2.14 146.5% -0.00 0.0001 -0.002
61.85 65.25 117.2% 1.00 0.0002 0.000 95 0 2.15 134.7% -0.00 0.0002 -0.003
56.85 60.25 2 106.4% 1.00 0.0003 0.000 100 0 2.15 123.3% -0.00 0.0003 -0.004
51.90 55.30 17 97.9% 1.00 0.0004 0.000 105 0 2.17 112.6% -0.00 0.0004 -0.005
46.95 50.30 88.8% 0.99 0.0007 0.000 110 0 2.20 102.4% -0.01 0.0007 -0.008
42.00 45.40 81.3% 0.99 0.0012 0.000 115 0 2.23 92.5% -0.01 0.0012 -0.012
37.05 40.45 17 73.1% 0.98 0.0020 -0.001 120 0 0.8500 15 66.6% -0.02 0.0020 -0.018
32.20 35.35 64.5% 0.97 0.0032 -0.013 125 0.0200 0.4700 6 7 52.6% -0.03 0.0032 -0.028
27.30 30.45 57.5% 0.95 0.0051 -0.028 130 0 1.55 16 57.7% -0.05 0.0051 -0.041
22.55 25.95 54.3% 0.92 0.0080 -0.049 135 0.4200 1.33 72 50.6% -0.08 0.0080 -0.059
18.00 21.10 2 48.5% 0.87 0.0117 -0.074 140 0.8900 1.34 169 44.9% -0.13 0.0118 -0.082
13.75 16.70 2 45.1% 0.80 0.0161 -0.102 145 1.78 2.06 121 43.6% -0.20 0.0162 -0.108
11.10 12.10 7 44.7% 0.71 0.0202 -0.127 150 3.05 3.35 6 66 42.9% -0.29 0.0204 -0.131
8.10 8.65 11 33 43.4% 0.60 0.0230 -0.144 155 4.95 5.45 8 1,215 43.3% -0.41 0.0232 -0.147
5.70 6.10 10 56 43.4% 0.48 0.0237 -0.149 160 7.45 7.95 142 43.1% -0.52 0.0239 -0.150
3.80 4.20 36 43.3% 0.37 0.0223 -0.143 165 10.55 11.05 67 43.0% -0.64 0.0226 -0.141
2.44 2.79 6 30 43.4% 0.27 0.0194 -0.127 170 13.30 15.00 25 40.8% -0.73 0.0197 -0.124
1.54 1.81 1 86 43.7% 0.20 0.0158 -0.107 175 16.85 19.85 83 41.6% -0.81 0.0162 -0.102
0.7800 1.42 23 44.7% 0.14 0.0124 -0.086 180 21.30 24.25 41.6% -0.87 0.0127 -0.079
0.4700 1.38 1 174 48.8% 0.10 0.0094 -0.067 185 25.70 28.70 -0.91 0.0096 -0.057
0.2800 1.07 43 50.6% 0.07 0.0069 -0.051 190 30.50 33.65 -0.95 0.0071 -0.038
0 2.41 152 64.3% 0.04 0.0050 -0.038 195 35.60 38.60 -0.97 0.0061 -0.022
0 2.32 104 69.2% 0.03 0.0036 -0.028 200 40.35 43.90 -0.99 0.0049 -0.020
0 2.26 73.9% 0.02 0.0026 -0.021 205 45.30 48.80 -1.00 0.0021 -0.035
0 2.22 20 78.5% 0.01 0.0018 -0.015 210 50.20 53.75 -1.00 0.0004 -0.050
0 2.19 83.1% 0.01 0.0013 -0.011 215 55.35 58.80 -1.00 0.0000 -0.058
0 2.17 87.5% 0.01 0.0009 -0.008 220 60.35 63.80 -1.00 0.0000 -0.062
0 2.16 91.8% 0.00 0.0006 -0.006 225 65.30 68.85 -1.00 0.0000 -0.064
0 2.15 96.0% 0.00 0.0005 -0.004 230 70.30 73.80 -1.00 0.0000 -0.064
0 2.14 100.0% 0.00 0.0003 -0.003 235 75.35 78.75 -1.00 0.0000 -0.064

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 25, 2026

Volatility page →

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

38%45%53%61%157.8130.0185.0
callsputs

Consumer Cyclical

ABNB · Airbnb, Inc.AMZN · Amazon.com, Inc.AZO · AutoZone, Inc.BABA · Alibaba Group Holding…BBY · Best Buy Co., Inc.BYD · Boyd Gaming CorporationCAVA · CAVA Group, Inc.CCL · Carnival Corporation & plc

ETF

ARKK · ARK Innovation ETFBITO · ProShares Bitcoin ETFDIA · State Street SPDR Dow…EEM · iShares MSCI Emerging…EFA · iShares MSCI EAFE ETFEWZ · iShares MSCI Brazil ETFFXI · iShares China Large-Cap ETFGDX · VanEck Gold Miners ETF

Technology

AAPL · Apple Inc.ADBE · Adobe Inc.AI · C3.ai, Inc.AMAT · Applied Materials, Inc.AMD · Advanced Micro Device…APP · AppLovin CorporationARM · Arm Holdings plc Amer…ASML · ASML Holding N.V.

Financial Services

AFRM · Affirm Holdings, Inc.ALL · The Allstate CorporationALLY · Ally Financial Inc.AXP · American Express CompanyBAC · Bank of America CorporationBLK · BlackRock, Inc.BX · Blackstone Inc.C · Citigroup Inc.

Industrials

AAL · American Airlines Gro…BA · The Boeing CompanyCAT · Caterpillar Inc.CMI · Cummins Inc.DAL · Delta Air Lines, Inc.DE · Deere & CompanyEMR · Emerson Electric Co.ETN · Eaton Corporation plc

Energy

BKR · Baker Hughes CompanyCCJ · Cameco CorporationCOP · ConocoPhillipsCVX · Chevron CorporationDVN · Devon Energy CorporationENPH · Enphase Energy, Inc.EOG · EOG Resources, Inc.ET · Energy Transfer LP