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Gentex Corporation Common Stock GNTX

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Market datapartial · fetched 2026-10-22T13:29:13.710Z

Delta surfaceAlpaca · derived absolute-delta buckets · 2026-11-20

Calculation methodology

Options historyIV: ThetaData historical Greeks, 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 · 2026-10-22T11:47:23.196917004Z

FundamentalsAlpha Vantage · unavailable

Share price$20.96
1D
Price history unavailable.

Gentex Corporation Common Stock options

Live interpolated GNTX call and put midpoint premiums by absolute delta.Gentex Corporation Common Stock$0.13$1.50$2.87$4.24$5.61$17.74$19.40$21.05$22.70$24.3620Δ25Δ30Δ35Δ40Δ45Δ50Δ55Δ60Δ65Δ70Δ75Δ80ΔOPTION PRICELive GNTX spot · $20.96GNTX PRICE$0.57$0.28$0.41$0.53$0.65$0.78$0.90$1.03$1.15$1.28$1.40$2.88$4.65$0.37$0.36$0.42$0.60$0.77$0.94$1.11$1.28$1.45$1.62$1.79$4.12$5.22
PutsExpensive1.52×
CallsExpensive1.89×
SkewBullish-3.00 pp
Implied moveBearish±$2.01
TiltBearish9.6% PUT
Table
Values and derived Greeks for the plotted delta buckets
DeltaCallsPuts
Pseudo strikeIVB/E movePseudo strikeIVB/E move
20Δ27.6998.5%34.8%18.4157.1%13.9%
25Δ22.4331.8%8.4%19.4241.6%9.0%
30Δ22.1732.2%7.7%20.1233.1%6.0%
35Δ21.9032.6%7.0%20.4133.7%5.5%
40Δ21.6433.0%6.4%20.6934.4%4.9%
45Δ21.3733.4%5.7%20.9835.0%4.4%
50Δ21.1133.8%5.0%21.2735.6%3.8%
55Δ20.8434.2%4.4%21.5536.3%3.3%
60Δ20.5834.5%3.7%21.8436.9%2.7%
65Δ20.3134.9%3.0%22.1237.6%2.2%
70Δ20.0535.3%2.3%22.4138.2%1.7%
75Δ18.7366.8%3.1%24.6070.5%2.3%
80Δ17.14102.7%3.9%25.7974.7%1.8%

20Δ

Calls
Pseudo strike
27.69
IV
98.5%
B/E move
34.8%
Puts
Pseudo strike
18.41
IV
57.1%
B/E move
13.9%

25Δ

Calls
Pseudo strike
22.43
IV
31.8%
B/E move
8.4%
Puts
Pseudo strike
19.42
IV
41.6%
B/E move
9.0%

30Δ

Calls
Pseudo strike
22.17
IV
32.2%
B/E move
7.7%
Puts
Pseudo strike
20.12
IV
33.1%
B/E move
6.0%

35Δ

Calls
Pseudo strike
21.90
IV
32.6%
B/E move
7.0%
Puts
Pseudo strike
20.41
IV
33.7%
B/E move
5.5%

40Δ

Calls
Pseudo strike
21.64
IV
33.0%
B/E move
6.4%
Puts
Pseudo strike
20.69
IV
34.4%
B/E move
4.9%

45Δ

Calls
Pseudo strike
21.37
IV
33.4%
B/E move
5.7%
Puts
Pseudo strike
20.98
IV
35.0%
B/E move
4.4%

50Δ

Calls
Pseudo strike
21.11
IV
33.8%
B/E move
5.0%
Puts
Pseudo strike
21.27
IV
35.6%
B/E move
3.8%

55Δ

Calls
Pseudo strike
20.84
IV
34.2%
B/E move
4.4%
Puts
Pseudo strike
21.55
IV
36.3%
B/E move
3.3%

60Δ

Calls
Pseudo strike
20.58
IV
34.5%
B/E move
3.7%
Puts
Pseudo strike
21.84
IV
36.9%
B/E move
2.7%

65Δ

Calls
Pseudo strike
20.31
IV
34.9%
B/E move
3.0%
Puts
Pseudo strike
22.12
IV
37.6%
B/E move
2.2%

70Δ

Calls
Pseudo strike
20.05
IV
35.3%
B/E move
2.3%
Puts
Pseudo strike
22.41
IV
38.2%
B/E move
1.7%

75Δ

Calls
Pseudo strike
18.73
IV
66.8%
B/E move
3.1%
Puts
Pseudo strike
24.60
IV
70.5%
B/E move
2.3%

80Δ

Calls
Pseudo strike
17.14
IV
102.7%
B/E move
3.9%
Puts
Pseudo strike
25.79
IV
74.7%
B/E move
1.8%

Options history

No recorded observations