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Fortinet Inc FTNT

TECHNOLOGY · SOFTWARE - INFRASTRUCTURE
i

Market dataready · fetched 2026-10-21T17:00:17.956Z

Delta surfaceAlpaca · derived absolute-delta buckets · 2026-10-23

Calculation methodology

Options historyIV: ThetaData daily EOD, equal-weight mean of call/put 50-delta IV across the next four listed Friday-cycle expirations, including holiday shifts verified against ThetaData’s market calendar. Missing inputs leave gaps. Skew and implied move: recorded expiration-specific observations.

History data

PriceAlpaca · sip · 2026-10-21T17:00:13.273065268Z

FundamentalsAlpha Vantage · ready · quarter 2026-06-30 · fetched 2026-10-21T17:00:16.849702+00:00

Share price$174.07
1D+4.3%
$164$167$169$172$1755:30 AM6:30 AM9:00 AM1:00 PMFTNT
Sold putSold call

Fortinet Inc options

Live interpolated FTNT call and put midpoint premiums by absolute delta.Fortinet Inc$0.45$3.32$6.20$9.07$11.94$161.92$167.87$173.83$179.78$185.7320Δ25Δ30Δ35Δ40Δ45Δ50Δ55Δ60Δ65Δ70Δ75Δ80ΔOPTION PRICELive FTNT spot · $174.07FTNT PRICE$0.76$1.02$1.30$1.62$1.97$2.32$2.79$3.29$3.80$4.46$5.12$5.62$6.00$0.84$1.12$1.42$1.76$2.09$2.50$2.92$3.35$3.91$4.47$5.39$6.83$11.12
PutsCheap0.78×
CallsCheap0.77×
SkewBearish+3.66 pp
Implied moveBearish±$5.71
TiltBearish8.7% PUT
Table
Values and derived Greeks for the plotted delta buckets
DeltaCallsPuts
Pseudo strikeIVB/E movePseudo strikeIVB/E move
20Δ180.1953.6%4.0%168.1756.5%3.9%
25Δ179.0453.5%3.4%169.3656.5%3.4%
30Δ177.9453.5%3.0%170.4656.3%2.9%
35Δ176.9553.7%2.6%171.4555.9%2.5%
40Δ176.0453.9%2.3%172.4455.6%2.1%
45Δ175.1354.2%1.9%173.3455.1%1.9%
50Δ174.2354.8%1.7%174.2454.7%1.6%
55Δ173.3355.5%1.5%175.1454.3%1.3%
60Δ172.4356.2%1.2%176.0554.0%1.1%
65Δ171.4356.5%1.0%176.9653.8%0.9%
70Δ170.4356.9%0.8%178.1656.0%0.7%
75Δ169.6254.3%0.7%179.7861.8%0.6%
80Δ168.9549.7%0.5%184.0783.6%0.6%

20Δ

Calls
Pseudo strike
180.19
IV
53.6%
B/E move
4.0%
Puts
Pseudo strike
168.17
IV
56.5%
B/E move
3.9%

25Δ

Calls
Pseudo strike
179.04
IV
53.5%
B/E move
3.4%
Puts
Pseudo strike
169.36
IV
56.5%
B/E move
3.4%

30Δ

Calls
Pseudo strike
177.94
IV
53.5%
B/E move
3.0%
Puts
Pseudo strike
170.46
IV
56.3%
B/E move
2.9%

35Δ

Calls
Pseudo strike
176.95
IV
53.7%
B/E move
2.6%
Puts
Pseudo strike
171.45
IV
55.9%
B/E move
2.5%

40Δ

Calls
Pseudo strike
176.04
IV
53.9%
B/E move
2.3%
Puts
Pseudo strike
172.44
IV
55.6%
B/E move
2.1%

45Δ

Calls
Pseudo strike
175.13
IV
54.2%
B/E move
1.9%
Puts
Pseudo strike
173.34
IV
55.1%
B/E move
1.9%

50Δ

Calls
Pseudo strike
174.23
IV
54.8%
B/E move
1.7%
Puts
Pseudo strike
174.24
IV
54.7%
B/E move
1.6%

55Δ

Calls
Pseudo strike
173.33
IV
55.5%
B/E move
1.5%
Puts
Pseudo strike
175.14
IV
54.3%
B/E move
1.3%

60Δ

Calls
Pseudo strike
172.43
IV
56.2%
B/E move
1.2%
Puts
Pseudo strike
176.05
IV
54.0%
B/E move
1.1%

65Δ

Calls
Pseudo strike
171.43
IV
56.5%
B/E move
1.0%
Puts
Pseudo strike
176.96
IV
53.8%
B/E move
0.9%

70Δ

Calls
Pseudo strike
170.43
IV
56.9%
B/E move
0.8%
Puts
Pseudo strike
178.16
IV
56.0%
B/E move
0.7%

75Δ

Calls
Pseudo strike
169.62
IV
54.3%
B/E move
0.7%
Puts
Pseudo strike
179.78
IV
61.8%
B/E move
0.6%

80Δ

Calls
Pseudo strike
168.95
IV
49.7%
B/E move
0.5%
Puts
Pseudo strike
184.07
IV
83.6%
B/E move
0.6%

Options history

FTNT70.8571.0571.262026-10-19: 70.92%2026-10-20: 71.19%Oct 19Oct 20
Table
DateIV
70.92%
71.19%