CSTM · Constellium SE

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$29.04 -0.96 (-3.20%) At close · Jul 24

Market Cap

$4.08B

136.15M

Options Chain

15-min delayed Underlying $29.04 · today Options Calculator

Positioning

Aug 21, 2026 · 27 days to expiry · 66 contracts

Put / call OI

0.66

Call-heavy positioning

Open interest

8,607

contracts outstanding

Volume

347

traded today

Max pain

$30.00

$0.96 above spot

ATM implied vol

66%

market's expected move

Open interest by strike · near the money

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 27d Sep 18 55d Nov 20 118d Jan 15 174d Feb 19 209d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	253%	0.972	—		$0.25	—	—	1	6
Call · $10 In the money Last — Breakeven — Implied vol 253% Delta 0.972 ≈97% ITM Gamma 0.003 Theta -0.025 Vega 0.004 Open interest 0 Model this call Put · $10 Last $0.25 Breakeven $9.75 Implied vol — Delta — Gamma — Theta — Vega — Open interest 6 Model this put
0	—	232.3%	0.969	—		$0.30	—	—	1	2
Call · $11 In the money Last — Breakeven — Implied vol 232.3% Delta 0.969 ≈97% ITM Gamma 0.004 Theta -0.025 Vega 0.005 Open interest 0 Model this call Put · $11 Last $0.30 Breakeven $10.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this put
0	—	213.6%	0.967	—		$0.35	—	—	1	12
Call · $12 In the money Last — Breakeven — Implied vol 213.6% Delta 0.967 ≈97% ITM Gamma 0.004 Theta -0.025 Vega 0.005 Open interest 0 Model this call Put · $12 Last $0.35 Breakeven $11.65 Implied vol — Delta — Gamma — Theta — Vega — Open interest 12 Model this put
0	—	196.6%	0.964	—		$0.50	—	—	5	6
Call · $13 In the money Last — Breakeven — Implied vol 196.6% Delta 0.964 ≈96% ITM Gamma 0.005 Theta -0.024 Vega 0.005 Open interest 0 Model this call Put · $13 Last $0.50 Breakeven $12.50 Implied vol — Delta — Gamma — Theta — Vega — Open interest 6 Model this put
0	—	187.4%	0.957	—		$0.64	—	—	5	6
Call · $14 In the money Last — Breakeven — Implied vol 187.4% Delta 0.957 ≈96% ITM Gamma 0.006 Theta -0.027 Vega 0.009 Open interest 0 Model this call Put · $14 Last $0.64 Breakeven $13.36 Implied vol — Delta — Gamma — Theta — Vega — Open interest 6 Model this put
0	—	148.9%	0.968	—		$0.90	—	—	1	2
Call · $15 In the money Last — Breakeven — Implied vol 148.9% Delta 0.968 ≈97% ITM Gamma 0.006 Theta -0.017 Vega 0.006 Open interest 0 Model this call Put · $15 Last $0.90 Breakeven $14.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this put
1	4	100.9%	0.991	$17.18		$0.30	-0.031	131.6%	6	2
Call · $16 In the money Last $17.18 Breakeven $33.18 Implied vol 100.9% Delta 0.991 ≈99% ITM Gamma 0.003 Theta -0.005 Vega 0.003 Open interest 1 Model this call Put · $16 Last $0.30 Breakeven $15.70 Implied vol 131.6% Delta -0.031 ≈3% ITM Gamma 0.007 Theta -0.013 Vega 0.006 Open interest 2 Model this put
0	—	90.5%	0.991	—		$0.78	-0.06	147.9%	1	13
Call · $17 In the money Last — Breakeven — Implied vol 90.5% Delta 0.991 ≈99% ITM Gamma 0.003 Theta -0.005 Vega 0.003 Open interest 0 Model this call Put · $17 Last $0.78 Breakeven $16.22 Implied vol 147.9% Delta -0.06 ≈6% ITM Gamma 0.01 Theta -0.026 Vega 0.01 Open interest 13 Model this put
0	—	165.2%	0.906	—		$0.38	-0.071	139.7%	12	9
Call · $18 In the money Last — Breakeven — Implied vol 165.2% Delta 0.906 ≈91% ITM Gamma 0.013 Theta -0.043 Vega 0.016 Open interest 0 Model this call Put · $18 Last $0.38 Breakeven $17.62 Implied vol 139.7% Delta -0.071 ≈7% ITM Gamma 0.012 Theta -0.028 Vega 0.011 Open interest 9 Model this put
41	20	131.3%	0.918	$11.50		$0.30	-0.053	109.5%	2	4
Call · $19 In the money Last $11.50 Breakeven $30.50 Implied vol 131.3% Delta 0.918 ≈92% ITM Gamma 0.014 Theta -0.031 Vega 0.011 Open interest 41 Model this call Put · $19 Last $0.30 Breakeven $18.70 Implied vol 109.5% Delta -0.053 ≈5% ITM Gamma 0.012 Theta -0.017 Vega 0.011 Open interest 4 Model this put
50	20	115%	0.916	$9.19		$0.30	-0.116	139.8%	26	5
Call · $20 In the money Last $9.19 Breakeven $29.19 Implied vol 115% Delta 0.916 ≈92% ITM Gamma 0.017 Theta -0.028 Vega 0.011 Open interest 50 Model this call Put · $20 Last $0.30 Breakeven $19.70 Implied vol 139.8% Delta -0.116 ≈12% ITM Gamma 0.018 Theta -0.04 Vega 0.017 Open interest 5 Model this put
4	1	117.3%	0.886	$6.63		$0.85	-0.069	90%	1	68
Call · $21 In the money Last $6.63 Breakeven $27.63 Implied vol 117.3% Delta 0.886 ≈89% ITM Gamma 0.021 Theta -0.035 Vega 0.018 Open interest 4 Model this call Put · $21 Last $0.85 Breakeven $20.15 Implied vol 90% Delta -0.069 ≈7% ITM Gamma 0.018 Theta -0.017 Vega 0.012 Open interest 68 Model this put
6	6	59%	0.97	$4.87		$0.50	-0.104	94.5%	1	40
Call · $22 In the money Last $4.87 Breakeven $26.87 Implied vol 59% Delta 0.97 ≈97% ITM Gamma 0.014 Theta -0.008 Vega 0.007 Open interest 6 Model this call Put · $22 Last $0.50 Breakeven $21.50 Implied vol 94.5% Delta -0.104 ≈10% ITM Gamma 0.024 Theta -0.025 Vega 0.012 Open interest 40 Model this put
17	2	98.3%	0.85	$9.80		$0.47	-0.174	114.1%	1	128
Call · $23 In the money Last $9.80 Breakeven $32.80 Implied vol 98.3% Delta 0.85 ≈85% ITM Gamma 0.03 Theta -0.035 Vega 0.019 Open interest 17 Model this call Put · $23 Last $0.47 Breakeven $22.53 Implied vol 114.1% Delta -0.174 ≈17% ITM Gamma 0.028 Theta -0.043 Vega 0.019 Open interest 128 Model this put
25	1	107.8%	0.797	$5.95		$0.60	-0.146	77.3%	2	22
Call · $24 In the money Last $5.95 Breakeven $29.95 Implied vol 107.8% Delta 0.797 ≈80% ITM Gamma 0.033 Theta -0.047 Vega 0.025 Open interest 25 Model this call Put · $24 Last $0.60 Breakeven $23.40 Implied vol 77.3% Delta -0.146 ≈15% ITM Gamma 0.037 Theta -0.026 Vega 0.019 Open interest 22 Model this put
553	4	94.3%	0.774	$4.50		$0.60	-0.194	78.3%	1	55
Call · $25 In the money Last $4.50 Breakeven $29.50 Implied vol 94.3% Delta 0.774 ≈77% ITM Gamma 0.04 Theta -0.043 Vega 0.025 Open interest 553 Model this call Put · $25 Last $0.60 Breakeven $24.40 Implied vol 78.3% Delta -0.194 ≈19% ITM Gamma 0.045 Theta -0.032 Vega 0.02 Open interest 55 Model this put
20	5	65.8%	0.778	$4.40		$0.85	-0.244	74.5%	20	530
Call · $26 In the money Last $4.40 Breakeven $30.40 Implied vol 65.8% Delta 0.778 ≈78% ITM Gamma 0.057 Theta -0.031 Vega 0.026 Open interest 20 Model this call Put · $26 Last $0.85 Breakeven $25.15 Implied vol 74.5% Delta -0.244 ≈24% ITM Gamma 0.053 Theta -0.034 Vega 0.026 Open interest 530 Model this put
55	4	65%	0.712	$3.95		$1.11	-0.302	72.6%	1	407
Call · $27 In the money Last $3.95 Breakeven $30.95 Implied vol 65% Delta 0.712 ≈71% ITM Gamma 0.066 Theta -0.035 Vega 0.026 Open interest 55 Model this call Put · $27 Last $1.11 Breakeven $25.89 Implied vol 72.6% Delta -0.302 ≈30% ITM Gamma 0.061 Theta -0.037 Vega 0.026 Open interest 407 Model this put
121	12	61.8%	0.642	$2.95		$1.47	-0.367	70%	1	109
Call · $28 In the money Last $2.95 Breakeven $30.95 Implied vol 61.8% Delta 0.642 ≈64% ITM Gamma 0.076 Theta -0.036 Vega 0.031 Open interest 121 Model this call Put · $28 Last $1.47 Breakeven $26.53 Implied vol 70% Delta -0.367 ≈37% ITM Gamma 0.068 Theta -0.038 Vega 0.031 Open interest 109 Model this put
153	58	61.6%	0.562	$2.17		$1.90	-0.438	70.5%	11	556
Call · $29 In the money Last $2.17 Breakeven $31.17 Implied vol 61.6% Delta 0.562 ≈56% ITM Gamma 0.081 Theta -0.037 Vega 0.032 Open interest 153 Model this call Put · $29 Last $1.90 Breakeven $27.10 Implied vol 70.5% Delta -0.438 ≈44% ITM Gamma 0.071 Theta -0.04 Vega 0.032 Open interest 556 Model this put
Underlying $29.04
703	4	60.5%	0.482	$1.78		$2.09	-0.509	68.4%	6	507
Call · $30 Last $1.78 Breakeven $31.78 Implied vol 60.5% Delta 0.482 ≈48% ITM Gamma 0.083 Theta -0.037 Vega 0.032 Open interest 703 Model this call Put · $30 In the money Last $2.09 Breakeven $27.91 Implied vol 68.4% Delta -0.509 ≈51% ITM Gamma 0.073 Theta -0.039 Vega 0.032 Open interest 507 Model this put
238	15	62.8%	0.408	$1.45		$3.79	-0.582	67.6%	2	196
Call · $31 Last $1.45 Breakeven $32.45 Implied vol 62.8% Delta 0.408 ≈41% ITM Gamma 0.078 Theta -0.037 Vega 0.033 Open interest 238 Model this call Put · $31 In the money Last $3.79 Breakeven $27.21 Implied vol 67.6% Delta -0.582 ≈58% ITM Gamma 0.073 Theta -0.037 Vega 0.033 Open interest 196 Model this put
425	1	61.7%	0.337	$1.37		$4.56	-0.646	67.9%	1	112
Call · $32 Last $1.37 Breakeven $33.37 Implied vol 61.7% Delta 0.337 ≈34% ITM Gamma 0.074 Theta -0.034 Vega 0.029 Open interest 425 Model this call Put · $32 In the money Last $4.56 Breakeven $27.44 Implied vol 67.9% Delta -0.646 ≈65% ITM Gamma 0.069 Theta -0.035 Vega 0.029 Open interest 112 Model this put
436	8	63.1%	0.277	$1.05		$4.70	-0.692	71.8%	12	621
Call · $33 Last $1.05 Breakeven $34.05 Implied vol 63.1% Delta 0.277 ≈28% ITM Gamma 0.067 Theta -0.032 Vega 0.03 Open interest 436 Model this call Put · $33 In the money Last $4.70 Breakeven $28.30 Implied vol 71.8% Delta -0.692 ≈69% ITM Gamma 0.062 Theta -0.035 Vega 0.03 Open interest 621 Model this put
398	21	64.7%	0.231	$0.65		$6.31	-0.773	64.9%	1	4
Call · $34 Last $0.65 Breakeven $34.65 Implied vol 64.7% Delta 0.231 ≈23% ITM Gamma 0.059 Theta -0.03 Vega 0.023 Open interest 398 Model this call Put · $34 In the money Last $6.31 Breakeven $27.69 Implied vol 64.9% Delta -0.773 ≈77% ITM Gamma 0.06 Theta -0.027 Vega 0.023 Open interest 4 Model this put
884	2	62%	0.17	$0.50		$3.50	-0.885	52%	1	4
Call · $35 Last $0.50 Breakeven $35.50 Implied vol 62% Delta 0.17 ≈17% ITM Gamma 0.051 Theta -0.024 Vega 0.024 Open interest 884 Model this call Put · $35 In the money Last $3.50 Breakeven $31.50 Implied vol 52% Delta -0.885 ≈88% ITM Gamma 0.05 Theta -0.013 Vega 0.015 Open interest 4 Model this put
220	3	68.8%	0.158	$0.37		$4.40	—	—	2	1
Call · $36 Last $0.37 Breakeven $36.37 Implied vol 68.8% Delta 0.158 ≈16% ITM Gamma 0.044 Theta -0.025 Vega 0.024 Open interest 220 Model this call Put · $36 In the money Last $4.40 Breakeven $31.60 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
229	1	94.2%	0.223	$0.35		—	—	—	—	0
Call · $37 Last $0.35 Breakeven $37.35 Implied vol 94.2% Delta 0.223 ≈22% ITM Gamma 0.04 Theta -0.042 Vega 0.024 Open interest 229 Model this call Put · $37 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
141	4	63.9%	0.08	$0.13		—	—	—	—	0
Call · $38 Last $0.13 Breakeven $38.13 Implied vol 63.9% Delta 0.08 ≈8% ITM Gamma 0.029 Theta -0.014 Vega 0.01 Open interest 141 Model this call Put · $38 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
41	2	84.6%	0.134	$0.29		—	-0.912	73.9%	—	0
Call · $39 Last $0.29 Breakeven $39.29 Implied vol 84.6% Delta 0.134 ≈13% ITM Gamma 0.032 Theta -0.027 Vega 0.017 Open interest 41 Model this call Put · $39 In the money Last — Breakeven — Implied vol 73.9% Delta -0.912 ≈91% ITM Gamma 0.03 Theta -0.015 Vega 0.015 Open interest 0 Model this put
265	1	70%	0.064	$0.10		$6.70	—	—	10	10
Call · $40 Last $0.10 Breakeven $40.10 Implied vol 70% Delta 0.064 ≈6% ITM Gamma 0.022 Theta -0.013 Vega 0.01 Open interest 265 Model this call Put · $40 In the money Last $6.70 Breakeven $33.30 Implied vol — Delta — Gamma — Theta — Vega — Open interest 10 Model this put
86	10	112.6%	0.108	$0.40		—	-0.942	94.6%	—	0
Call · $45 Last $0.40 Breakeven $45.40 Implied vol 112.6% Delta 0.108 ≈11% ITM Gamma 0.021 Theta -0.031 Vega 0.018 Open interest 86 Model this call Put · $45 In the money Last — Breakeven — Implied vol 94.6% Delta -0.942 ≈94% ITM Gamma 0.017 Theta -0.014 Vega 0.01 Open interest 0 Model this put
58	2	133.3%	0.097	$0.52		$19.64	—	—	1	0
Call · $50 Last $0.52 Breakeven $50.52 Implied vol 133.3% Delta 0.097 ≈10% ITM Gamma 0.016 Theta -0.034 Vega 0.018 Open interest 58 Model this call Put · $50 In the money Last $19.64 Breakeven $30.36 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. The 25 strikes around the money are shown by default — switch to "All 33" for the wings. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1563411 CUSIP F21107101 13F (30d) 52 filings 52 filers Visit website Investor relations