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Columbia Banking System, Inc. Common Stock COLB

i

Market datapartial · fetched 2026-11-04T00:51:40.272Z

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: equal-weight mean of put minus call IV across those four expirations. IV-implied move history: mean of each expiration’s average call/put IV multiplied by the square root of remaining calendar days divided by 365.25; percentage of spot, not a quoted straddle premium.

History data

PriceAlpaca · sip · 2026-11-03T21:00:03.890430422Z

FundamentalsAlpha Vantage · unavailable

Share price$30.84
1D-0.9%
AH$30.75$30.90$31.05$31.19$31.345:30 AM6:30 AM9:00 AM1:00 PM2:00 PMCOLB
Sold putSold callAH

Columbia Banking System, Inc. Common Stock options

Live interpolated COLB call and put midpoint premiums by absolute delta.Columbia Banking System, Inc. Common Stock$0.30$0.55$0.81$1.07$1.33$-0.12$0.19$0.50$0.81$1.1220Δ25Δ30Δ35Δ40Δ45Δ50Δ55Δ60Δ65Δ70Δ75Δ80Δ35Δ P unavailable: no unambiguous, price-consistent delta bracketP —40Δ P unavailable: no unambiguous, price-consistent delta bracketP —45Δ P unavailable: no unambiguous, price-consistent delta bracketP —50Δ P unavailable: no unambiguous, price-consistent delta bracketP —55Δ P unavailable: no unambiguous, price-consistent delta bracketP —60Δ P unavailable: no unambiguous, price-consistent delta bracketP —65Δ P unavailable: no unambiguous, price-consistent delta bracketP —70Δ C/P unavailable: no unambiguous, price-consistent delta bracketC/P —75Δ C/P unavailable: no unambiguous, price-consistent delta bracketC/P —80Δ C/P unavailable: no unambiguous, price-consistent delta bracketC/P —OPTION PRICECOLB PRICE$0.34$0.44$0.54$0.64$0.75$0.85$0.95$1.05$1.15$1.26$0.32$0.38$0.43
Puts——
Calls——
Skew——
Implied move——
Tilt——
Table
Values and derived Greeks for the plotted delta buckets
DeltaCallsPuts
Pseudo strikeIVB/E movePseudo strikeIVB/E move
20Δ34.0338.8%11.4%27.4853.6%11.9%
25Δ33.6237.9%10.4%28.5344.3%8.7%
30Δ33.2037.1%9.4%29.5935.0%5.5%
35Δ32.7836.2%8.4%
40Δ32.3735.4%7.4%
45Δ31.9534.5%6.3%
50Δ31.5333.7%5.3%
55Δ31.1232.8%4.3%
60Δ30.7032.0%3.3%
65Δ30.2831.1%2.3%
70Δ
75Δ
80Δ

20Δ

Calls
Pseudo strike
34.03
IV
38.8%
B/E move
11.4%
Puts
Pseudo strike
27.48
IV
53.6%
B/E move
11.9%

25Δ

Calls
Pseudo strike
33.62
IV
37.9%
B/E move
10.4%
Puts
Pseudo strike
28.53
IV
44.3%
B/E move
8.7%

30Δ

Calls
Pseudo strike
33.20
IV
37.1%
B/E move
9.4%
Puts
Pseudo strike
29.59
IV
35.0%
B/E move
5.5%

35Δ

Calls
Pseudo strike
32.78
IV
36.2%
B/E move
8.4%
Puts
Pseudo strike
IV
B/E move

40Δ

Calls
Pseudo strike
32.37
IV
35.4%
B/E move
7.4%
Puts
Pseudo strike
IV
B/E move

45Δ

Calls
Pseudo strike
31.95
IV
34.5%
B/E move
6.3%
Puts
Pseudo strike
IV
B/E move

50Δ

Calls
Pseudo strike
31.53
IV
33.7%
B/E move
5.3%
Puts
Pseudo strike
IV
B/E move

55Δ

Calls
Pseudo strike
31.12
IV
32.8%
B/E move
4.3%
Puts
Pseudo strike
IV
B/E move

60Δ

Calls
Pseudo strike
30.70
IV
32.0%
B/E move
3.3%
Puts
Pseudo strike
IV
B/E move

65Δ

Calls
Pseudo strike
30.28
IV
31.1%
B/E move
2.3%
Puts
Pseudo strike
IV
B/E move

70Δ

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

75Δ

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

80Δ

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

Options history

IV · four-Friday blend29.14%
Daily EOD
COLB28.9%30.7%32.6%2026-10-21: 32.34%2026-10-22: 29.14%Oct 21Oct 22
2 observations2026-10-21 — 2026-10-22
Table
DateIV (%)
32.34%
29.14%