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UTILITIES · UTILITIES - REGULATED ELECTRIC
i

Market dataready · fetched 2026-11-12T14:57:33.773Z

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 · 2026-11-12T14:57:24.022310499Z

FundamentalsAlpha Vantage · ready · quarter 2026-09-30 · fetched 2026-11-12T14:57:33.008776+00:00

Share price$69.70
1D-0.4%
$69.70$69.78$69.87$69.95$70.045:30 AM6:30 AM9:00 AM1:00 PMCMS
Sold putSold call

CMS Energy Corporation options

Live interpolated CMS call and put midpoint premiums by absolute delta.CMS Energy Corporation$0.26$1.50$2.74$3.98$5.22$64.00$66.59$69.18$71.77$74.3620Δ25Δ30Δ35Δ40Δ45Δ50Δ55Δ60Δ65Δ70Δ75Δ80Δ55Δ 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 P unavailable: no unambiguous, price-consistent delta bracketP —75Δ P unavailable: no unambiguous, price-consistent delta bracketP —80Δ P unavailable: no unambiguous, price-consistent delta bracketP —OPTION PRICELive CMS spot · $69.70CMS PRICE$0.39$0.49$0.59$0.69$0.79$0.88$1.27$1.87$2.47$3.07$3.67$4.27$4.87$0.45$0.53$0.60$0.67$0.75$0.82$0.89
Puts——
CallsFair1.03×
Skew——
Implied moveBullish±$2.16
Tilt——
Table
Values and derived Greeks for the plotted delta buckets
DeltaCallsPuts
Pseudo strikeIVB/E movePseudo strikeIVB/E move
20Δ73.8135.8%6.5%65.6942.6%6.4%
25Δ73.1133.9%5.6%66.3239.3%5.6%
30Δ72.4031.9%4.7%66.9536.0%4.8%
35Δ71.7030.0%3.9%67.5932.6%4.0%
40Δ71.0028.0%3.0%68.2229.3%3.2%
45Δ70.2926.0%2.1%68.8626.0%2.4%
50Δ69.6027.4%1.7%69.4922.7%1.6%
55Δ68.9131.0%1.5%
60Δ68.2134.7%1.4%
65Δ67.5238.3%1.3%
70Δ66.8342.0%1.1%
75Δ66.1445.6%1.0%
80Δ65.4449.3%0.9%

20Δ

Calls
Pseudo strike
73.81
IV
35.8%
B/E move
6.5%
Puts
Pseudo strike
65.69
IV
42.6%
B/E move
6.4%

25Δ

Calls
Pseudo strike
73.11
IV
33.9%
B/E move
5.6%
Puts
Pseudo strike
66.32
IV
39.3%
B/E move
5.6%

30Δ

Calls
Pseudo strike
72.40
IV
31.9%
B/E move
4.7%
Puts
Pseudo strike
66.95
IV
36.0%
B/E move
4.8%

35Δ

Calls
Pseudo strike
71.70
IV
30.0%
B/E move
3.9%
Puts
Pseudo strike
67.59
IV
32.6%
B/E move
4.0%

40Δ

Calls
Pseudo strike
71.00
IV
28.0%
B/E move
3.0%
Puts
Pseudo strike
68.22
IV
29.3%
B/E move
3.2%

45Δ

Calls
Pseudo strike
70.29
IV
26.0%
B/E move
2.1%
Puts
Pseudo strike
68.86
IV
26.0%
B/E move
2.4%

50Δ

Calls
Pseudo strike
69.60
IV
27.4%
B/E move
1.7%
Puts
Pseudo strike
69.49
IV
22.7%
B/E move
1.6%

55Δ

Calls
Pseudo strike
68.91
IV
31.0%
B/E move
1.5%
Puts
Pseudo strike
IV
B/E move

60Δ

Calls
Pseudo strike
68.21
IV
34.7%
B/E move
1.4%
Puts
Pseudo strike
IV
B/E move

65Δ

Calls
Pseudo strike
67.52
IV
38.3%
B/E move
1.3%
Puts
Pseudo strike
IV
B/E move

70Δ

Calls
Pseudo strike
66.83
IV
42.0%
B/E move
1.1%
Puts
Pseudo strike
IV
B/E move

75Δ

Calls
Pseudo strike
66.14
IV
45.6%
B/E move
1.0%
Puts
Pseudo strike
IV
B/E move

80Δ

Calls
Pseudo strike
65.44
IV
49.3%
B/E move
0.9%
Puts
Pseudo strike
IV
B/E move

Options history

IV · four-Friday blend18.67%
Daily close
CMS17.6%25.5%33.4%2026-08-20: 32.35%2026-08-21: 20.34%2026-08-24: 20.03%2026-08-25: 19.90%2026-09-21: 20.77%2026-09-22: 21.96%2026-10-06: 22.00%2026-10-07: 20.32%2026-10-08: 24.86%2026-10-16: 19.42%2026-10-19: 20.64%2026-10-21: 19.51%2026-10-22: 21.16%2026-10-23: 20.31%2026-10-29: 18.90%2026-10-30: 18.67%Aug 20Oct 7Oct 30
16 observations2026-08-20 — 2026-10-30
Table
DateIV (%)
32.35%
20.34%
20.03%
19.90%
20.77%
21.96%
22.00%
20.32%
24.86%
19.42%
20.64%
19.51%
21.16%
20.31%
18.90%
18.67%