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Galectin Therapeutics Inc. Common Stock GALT

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Market datapartial · fetched 2026-10-23T14:12:20.802Z

Delta surfaceAlpaca · derived absolute-delta buckets · 2026-12-18

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 · 2026-10-23T14:09:27.266326526Z

FundamentalsAlpha Vantage · unavailable

Share price$3.26
1D-0.3%
$3.25$3.27$3.28$3.29$3.305:30 AM6:30 AM9:00 AM1:00 PMGALT
Sold putSold call

Galectin Therapeutics Inc. Common Stock options

Live interpolated GALT call and put midpoint premiums by absolute delta.Galectin Therapeutics Inc. Common Stock$0.26$0.87$1.49$2.11$2.73$-0.12$0.19$0.50$0.81$1.1220Δ25Δ30Δ35Δ40Δ45Δ50Δ55Δ60Δ65Δ70Δ75Δ80ΔOPTION PRICEGALT PRICE$0.32$0.37$0.42$0.47$0.53$0.58$0.63$0.68$0.73$0.78$0.83$0.68$1.15$1.62$2.09$2.55
PutsExpensive2.34×
CallsExpensive1.37×
SkewBearish+89.50 pp
Implied move——
TiltBearish12.1% PUT
Table
Values and derived Greeks for the plotted delta buckets
DeltaCallsPuts
Pseudo strikeIVB/E movePseudo strikeIVB/E move
20Δ
25Δ2.72196.9%37.6%
30Δ7.10190.1%127.8%3.27213.3%34.9%
35Δ6.68180.2%116.4%3.83229.8%32.1%
40Δ6.26170.2%104.9%4.39246.2%29.4%
45Δ5.83160.2%93.5%4.94262.6%26.7%
50Δ5.41150.2%82.1%
55Δ4.99140.3%70.6%
60Δ4.56130.3%59.2%
65Δ4.14120.3%47.8%
70Δ3.71110.3%36.3%
75Δ3.29100.4%24.9%
80Δ2.8790.4%13.4%

20Δ

Calls
Pseudo strike
IV
B/E move
Puts
Pseudo strike
IV
B/E move

25Δ

Calls
Pseudo strike
IV
B/E move
Puts
Pseudo strike
2.72
IV
196.9%
B/E move
37.6%

30Δ

Calls
Pseudo strike
7.10
IV
190.1%
B/E move
127.8%
Puts
Pseudo strike
3.27
IV
213.3%
B/E move
34.9%

35Δ

Calls
Pseudo strike
6.68
IV
180.2%
B/E move
116.4%
Puts
Pseudo strike
3.83
IV
229.8%
B/E move
32.1%

40Δ

Calls
Pseudo strike
6.26
IV
170.2%
B/E move
104.9%
Puts
Pseudo strike
4.39
IV
246.2%
B/E move
29.4%

45Δ

Calls
Pseudo strike
5.83
IV
160.2%
B/E move
93.5%
Puts
Pseudo strike
4.94
IV
262.6%
B/E move
26.7%

50Δ

Calls
Pseudo strike
5.41
IV
150.2%
B/E move
82.1%
Puts
Pseudo strike
IV
B/E move

55Δ

Calls
Pseudo strike
4.99
IV
140.3%
B/E move
70.6%
Puts
Pseudo strike
IV
B/E move

60Δ

Calls
Pseudo strike
4.56
IV
130.3%
B/E move
59.2%
Puts
Pseudo strike
IV
B/E move

65Δ

Calls
Pseudo strike
4.14
IV
120.3%
B/E move
47.8%
Puts
Pseudo strike
IV
B/E move

70Δ

Calls
Pseudo strike
3.71
IV
110.3%
B/E move
36.3%
Puts
Pseudo strike
IV
B/E move

75Δ

Calls
Pseudo strike
3.29
IV
100.4%
B/E move
24.9%
Puts
Pseudo strike
IV
B/E move

80Δ

Calls
Pseudo strike
2.87
IV
90.4%
B/E move
13.4%
Puts
Pseudo strike
IV
B/E move

Options history

No recorded observations