IntraAlpha
Create free account Start free

Galectin Therapeutics Inc. Common Stock GALT

i

Market datapartial · fetched 2026-10-22T22:59:58.709Z

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 · 2026-10-22T20:00:00.447976345Z

FundamentalsAlpha Vantage · unavailable

Share price$3.38
1D+1.8%
AH$3.31$3.36$3.41$3.46$3.515:30 AM6:30 AM9:00 AM1:00 PM2:00 PMGALT
Sold putSold callAH

Galectin Therapeutics Inc. Common Stock options

Live interpolated GALT call and put midpoint premiums by absolute delta.Galectin Therapeutics Inc. Common Stock$0.03$1.15$2.26$3.38$4.49$1.26$2.22$3.19$4.15$5.1120Δ25Δ30Δ35Δ40Δ45Δ50Δ55Δ60Δ65Δ70Δ75Δ80ΔOPTION PRICELive GALT spot · $3.38GALT PRICE$0.15$0.23$0.31$0.38$0.46$0.54$0.62$0.69$0.77$0.85$0.93$1.01$1.08$0.67$0.99$1.31$1.62$1.94$2.26$2.58$2.90$3.22$3.53$3.85$4.17$3.00
PutsExpensive2.17×
CallsExpensive1.93×
SkewBearish+40.80 pp
Implied moveBearish±$3.20
TiltBearish60.0% PUT
Table
Values and derived Greeks for the plotted delta buckets
DeltaCallsPuts
Pseudo strikeIVB/E movePseudo strikeIVB/E move
20Δ4.81119.2%46.9%3.23118.8%24.4%
25Δ4.63123.2%43.6%3.60130.6%22.8%
30Δ4.44127.2%40.3%3.97142.3%21.2%
35Δ4.25131.2%37.0%4.34154.1%19.6%
40Δ4.06135.2%33.7%4.71165.9%18.0%
45Δ3.87139.2%30.4%5.09177.7%16.4%
50Δ3.68143.1%27.1%5.46189.5%14.8%
55Δ3.49147.1%23.8%5.83201.3%13.2%
60Δ3.30151.1%20.5%6.20213.0%11.6%
65Δ3.11155.1%17.2%6.58224.8%10.0%
70Δ2.92159.1%13.9%6.95236.6%8.4%
75Δ2.73163.1%10.6%7.32248.4%6.8%
80Δ2.54167.1%7.2%6.24188.4%4.2%

20Δ

Calls
Pseudo strike
4.81
IV
119.2%
B/E move
46.9%
Puts
Pseudo strike
3.23
IV
118.8%
B/E move
24.4%

25Δ

Calls
Pseudo strike
4.63
IV
123.2%
B/E move
43.6%
Puts
Pseudo strike
3.60
IV
130.6%
B/E move
22.8%

30Δ

Calls
Pseudo strike
4.44
IV
127.2%
B/E move
40.3%
Puts
Pseudo strike
3.97
IV
142.3%
B/E move
21.2%

35Δ

Calls
Pseudo strike
4.25
IV
131.2%
B/E move
37.0%
Puts
Pseudo strike
4.34
IV
154.1%
B/E move
19.6%

40Δ

Calls
Pseudo strike
4.06
IV
135.2%
B/E move
33.7%
Puts
Pseudo strike
4.71
IV
165.9%
B/E move
18.0%

45Δ

Calls
Pseudo strike
3.87
IV
139.2%
B/E move
30.4%
Puts
Pseudo strike
5.09
IV
177.7%
B/E move
16.4%

50Δ

Calls
Pseudo strike
3.68
IV
143.1%
B/E move
27.1%
Puts
Pseudo strike
5.46
IV
189.5%
B/E move
14.8%

55Δ

Calls
Pseudo strike
3.49
IV
147.1%
B/E move
23.8%
Puts
Pseudo strike
5.83
IV
201.3%
B/E move
13.2%

60Δ

Calls
Pseudo strike
3.30
IV
151.1%
B/E move
20.5%
Puts
Pseudo strike
6.20
IV
213.0%
B/E move
11.6%

65Δ

Calls
Pseudo strike
3.11
IV
155.1%
B/E move
17.2%
Puts
Pseudo strike
6.58
IV
224.8%
B/E move
10.0%

70Δ

Calls
Pseudo strike
2.92
IV
159.1%
B/E move
13.9%
Puts
Pseudo strike
6.95
IV
236.6%
B/E move
8.4%

75Δ

Calls
Pseudo strike
2.73
IV
163.1%
B/E move
10.6%
Puts
Pseudo strike
7.32
IV
248.4%
B/E move
6.8%

80Δ

Calls
Pseudo strike
2.54
IV
167.1%
B/E move
7.2%
Puts
Pseudo strike
6.24
IV
188.4%
B/E move
4.2%

Options history

No recorded observations