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FTNT — Fortinet, Inc.

Nasdaq

Fortinet, Inc.

CompareBack to Screener
$180.95
+2.23(+1.25%)
O
182.09
H
183.09
L
180.04
V
3.39M
⏱️ End-of-day dataAs of Oct 2, 2026
Underlying Price$180.95
Implied Volatility (IV)0.4%
Put / Call Ratio0.15
Total Options Volume2.0K
Total Open Interest2.5K
Selected Expiration2026-10-09
Expiration
CALLSSTRIKEPUTS
CalculatorLastChg% ChgBidAskVolOIIVStrikeLastChg% ChgBidAskVolOIIVCalculator
$15.72+0.00-$19.05$22.65-180.3%$160.00$0.26+0.01-$0.00$0.30121720.5%
$17.68+4.18-$16.55$20.10130.2%$162.50$0.10-0.38-$0.01$0.34181340.4%
$13.85+0.00-$14.20$17.80-120.3%$165.00$0.55-0.26-$0.08$0.6422290.4%
$14.28+1.98-$12.45$15.10620.4%$167.50$0.35-0.67-$0.16$0.4321740.4%
$11.74+1.87-$10.15$12.80161640.4%$170.00$0.60-0.87-$0.28$1.28181600.4%
$10.85+2.83-$7.40$10.652290.3%$172.50$0.97-1.03-$0.46$1.299370.4%
$7.05+1.11-$6.10$7.957940.3%$175.00$1.48-1.39-$0.84$1.95601680.4%
$5.35+0.02-$4.35$6.2510400.3%$177.50$2.11-1.32-$1.47$3.2058580.4%
$4.15-0.20-$3.60$4.5527720.4%$180.00ATM$3.40-1.10-$2.45$4.3510360.4%
$2.81+0.22-$2.82$3.40681470.4%$182.50ATM$4.76-1.45-$3.80$5.602010.4%
$2.10+0.33-$2.12$2.30771660.4%$185.00$5.60-2.10-$4.95$7.55330.4%
$1.42-0.18-$1.19$1.70951530.4%$187.50$10.39+0.00-$6.80$9.40-200.4%
$1.10+0.16-$0.97$1.135821240.4%$190.00$9.50--$8.80$11.454-0.4%
$0.70-0.46-$0.29$1.101270.4%$192.50---$11.00$14.25--0.4%
$0.48-0.41-$0.18$0.574550.4%$195.00---$13.25$15.85--0.4%
$0.59+0.16-$0.13$0.35230.4%$197.50---$15.40$18.95--0.5%
$0.17-0.38-$0.13$0.2916260.4%$200.00---$17.65$21.40--0.5%
$0.41+0.00-$0.00$1.13-80.5%$202.50---$20.35$23.85--0.5%

Open Interest & Max Pain

2026-10-09
Max Pain$172.50-4.7% vs price
Call Open Interest1.1K
Put Open Interest1.3K
Put / Call (Open Interest)1.17
CallsPutsPrice $180.95Max painTop of chart = 229 contracts
145
150
157.5
165
172.5Max pain $172.5
180
187.5
195
202.5
215

Max pain is the strike where the open options would be worth the least at expiration, i.e. where option buyers as a group would lose the most. The chart shows strikes within 20% of the price. Open interest is from the last end-of-day update.