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Mercantile Bank Corporation Common Stock MBWM

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Market datapartial · fetched 2026-11-11T13:48:35.203Z

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 · 2026-11-11T13:26:00.503386917Z

FundamentalsAlpha Vantage · unavailable

Share price$61.70
1D
Price history unavailable.

Mercantile Bank Corporation Common Stock options

Live interpolated MBWM call and put midpoint premiums by absolute delta.Mercantile Bank Corporation Common Stock$0.88$1.92$2.97$4.01$5.05$53.81$57.02$60.24$63.45$66.6720Δ25Δ30Δ35Δ40Δ45Δ50Δ55Δ60Δ65Δ70Δ75Δ80Δ20Δ C unavailable: no unambiguous, price-consistent delta bracketC —OPTION PRICELive MBWM spot · $61.70MBWM PRICE$1.78$2.27$2.45$2.45$2.48$2.50$2.53$2.56$2.58$2.83$3.56$4.29$0.99$1.38$1.77$2.15$2.49$2.66$2.83$3.00$3.16$3.33$3.50$3.67$4.75
PutsExpensive2.34×
Calls——
Skew——
Implied moveBearish±$5.33
Tilt——
Table
Values and derived Greeks for the plotted delta buckets
DeltaCallsPuts
Pseudo strikeIVB/E movePseudo strikeIVB/E move
20Δ55.9078.8%11.0%
25Δ71.90123.2%19.4%56.9980.2%9.9%
30Δ70.50131.7%17.9%58.0881.7%8.7%
35Δ68.00119.2%14.2%59.1683.1%7.6%
40Δ64.9795.3%9.3%60.1582.9%6.5%
45Δ64.1085.8%7.9%60.8077.4%5.8%
50Δ63.2276.2%6.5%61.4571.9%5.0%
55Δ62.3566.7%5.1%62.1066.3%4.2%
60Δ61.4757.2%3.8%62.7560.8%3.4%
65Δ60.6047.7%2.4%63.4055.3%2.7%
70Δ59.7241.1%1.4%64.0549.7%1.9%
75Δ58.8440.8%1.1%64.7044.2%1.1%
80Δ57.9640.5%0.9%66.0545.5%0.6%

20Δ

Calls
Pseudo strike
IV
B/E move
Puts
Pseudo strike
55.90
IV
78.8%
B/E move
11.0%

25Δ

Calls
Pseudo strike
71.90
IV
123.2%
B/E move
19.4%
Puts
Pseudo strike
56.99
IV
80.2%
B/E move
9.9%

30Δ

Calls
Pseudo strike
70.50
IV
131.7%
B/E move
17.9%
Puts
Pseudo strike
58.08
IV
81.7%
B/E move
8.7%

35Δ

Calls
Pseudo strike
68.00
IV
119.2%
B/E move
14.2%
Puts
Pseudo strike
59.16
IV
83.1%
B/E move
7.6%

40Δ

Calls
Pseudo strike
64.97
IV
95.3%
B/E move
9.3%
Puts
Pseudo strike
60.15
IV
82.9%
B/E move
6.5%

45Δ

Calls
Pseudo strike
64.10
IV
85.8%
B/E move
7.9%
Puts
Pseudo strike
60.80
IV
77.4%
B/E move
5.8%

50Δ

Calls
Pseudo strike
63.22
IV
76.2%
B/E move
6.5%
Puts
Pseudo strike
61.45
IV
71.9%
B/E move
5.0%

55Δ

Calls
Pseudo strike
62.35
IV
66.7%
B/E move
5.1%
Puts
Pseudo strike
62.10
IV
66.3%
B/E move
4.2%

60Δ

Calls
Pseudo strike
61.47
IV
57.2%
B/E move
3.8%
Puts
Pseudo strike
62.75
IV
60.8%
B/E move
3.4%

65Δ

Calls
Pseudo strike
60.60
IV
47.7%
B/E move
2.4%
Puts
Pseudo strike
63.40
IV
55.3%
B/E move
2.7%

70Δ

Calls
Pseudo strike
59.72
IV
41.1%
B/E move
1.4%
Puts
Pseudo strike
64.05
IV
49.7%
B/E move
1.9%

75Δ

Calls
Pseudo strike
58.84
IV
40.8%
B/E move
1.1%
Puts
Pseudo strike
64.70
IV
44.2%
B/E move
1.1%

80Δ

Calls
Pseudo strike
57.96
IV
40.5%
B/E move
0.9%
Puts
Pseudo strike
66.05
IV
45.5%
B/E move
0.6%

Options history

IV · four-Friday blend32.56%
Daily EOD
MBWM29.6%31.8%34.1%2026-10-19: 32.53%2026-10-20: 30.96%2026-10-21: 29.90%2026-10-22: 30.99%2026-10-23: 32.02%2026-10-26: 33.01%2026-10-27: 31.49%2026-10-28: 33.77%2026-10-30: 32.56%Oct 19Oct 23Oct 30
9 observations2026-10-19 — 2026-10-30
Table
DateIV (%)
32.53%
30.96%
29.90%
30.99%
32.02%
33.01%
31.49%
33.77%
32.56%