Constellium (CSTM) Options Chain

NYSE: CSTMIndustrialsMetal FabricationsUSD

25.81+0.21 (+0.82%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Jan 15, 2027
Days to expiration: 96
Share price: $25.81
Put/call ratio (OI): 0.37
Put/call ratio (volume): 0.72
ATM implied volatility: 52.7%
Expected move: ±$6.97
Open interest (C / P): 13.14K / 4.84K

CSTM options summary

The CSTM options chain for the January 15, 2027 expiration lists 35 call and 27 put contracts, with 96 days until expiration. Open interest stands at 13,139 calls and 4,838 puts, a put/call ratio of 0.37, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $26.00 strike is 52.7%, which implies the market expects a move of about ±$6.97 (27.0%) in Constellium stock by expiration.

The most open interest sits at the $27.00 call (5.52K contracts) and the $25.00 put (2.07K contracts).

Summary generated from market data by MetaCap's automated system. Methodology

CSTM options chain · January 15, 2027

CSTM calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
0	12	—	22.90	0.00	0.00	1.00	—	—	—	—	—	—
0	—	—	22.25	0.00	0.00	2.00	—	—	—	—	—	—
17	10	—	12.00	12.20	12.70	3.00	—	—	—	—	—	—
0	1	—	22.50	0.00	0.00	4.00	—	—	—	—	—	—
31	3	—	13.47	15.50	19.90	5.00	—	—	—	—	—	—
18	1	242.2%	12.60	16.30	19.30	8.00	0.00	0.00	0.08	50.0%	10	0
236	5	97.3%	15.04	13.90	17.90	10.00	0.00	1.95	0.48	172.1%	1	50
0	10	—	19.08	0.00	0.00	13.00	0.00	0.75	0.23	98.7%	2	94
798	1	390.7%	16.58	18.20	21.30	15.00	0.00	0.00	0.27	25.0%	10	0
—	—	—	—	—	—	16.00	0.00	1.00	0.29	79.9%	2	14
922	2	117.2%	12.86	9.80	11.40	17.00	0.10	0.50	0.30	62.1%	1	36
0	—	—	15.20	0.00	0.00	18.00	0.00	2.40	0.38	89.0%	2	4
2	1	192.7%	16.30	10.50	14.10	19.00	0.10	0.85	0.57	56.1%	3	3
1,058	1	66.9%	5.00	6.10	7.60	20.00	0.35	0.95	0.62	55.2%	1	2,015
41	30	64.2%	5.58	5.30	6.80	21.00	0.45	1.15	1.10	52.3%	1	4
1,058	5	58.3%	6.70	4.40	5.90	22.00	0.65	1.40	1.57	50.6%	4	125
26	1	54.4%	4.64	3.50	5.20	23.00	0.95	1.70	1.80	57.9%	100	132
14	10	59.0%	3.10	3.30	4.70	24.00	0.80	2.40	2.10	63.3%	1	4
635	5	53.3%	2.78	2.50	3.90	25.00	1.95	2.20	2.10	49.6%	2	2,066
CSTM $25.81
23	1	52.6%	2.30	2.00	3.40	26.00	2.00	2.90	2.65	52.8%	1	18
5,521	2	51.3%	2.20	1.95	2.50	27.00	2.40	4.40	3.50	51.1%	1	93
58	28	59.5%	2.00	1.10	2.30	28.00	0.00	0.00	3.77	—	1	0
4	1	58.9%	1.32	1.00	1.95	29.00	3.70	4.90	4.00	54.3%	1	61
1,332	3	53.4%	1.14	1.10	1.70	30.00	0.00	0.00	3.84	—	40	0
111	1	54.0%	1.10	0.60	1.20	31.00	5.00	6.50	7.05	56.4%	100	87
134	4	58.4%	0.65	0.05	1.20	32.00	5.90	7.20	6.20	54.1%	4	5
130	1	53.1%	0.65	0.45	0.80	33.00	6.30	8.00	5.72	53.3%	2	5
136	12	50.6%	0.40	0.40	0.75	34.00	7.30	8.80	7.53	51.7%	2	3
96	10	52.4%	0.40	0.15	0.90	35.00	8.50	10.00	10.59	60.5%	15	18
25	2	52.3%	0.25	0.10	0.75	36.00	—	—	—	—	—	—
30	8	54.2%	0.25	0.05	0.75	37.00	7.20	8.90	11.65	—	1	1
2	1	73.1%	2.20	0.70	1.15	38.00	—	—	—	—	—	—
0	2	25.0%	1.45	0.00	0.00	39.00	—	—	—	—	—	—
207	14	55.6%	0.16	0.00	0.50	40.00	0.00	0.00	13.35	—	10	0
141	1	77.4%	0.10	0.00	1.00	45.00	—	—	—	—	—	—
333	257	81.8%	0.60	0.00	0.75	50.00	0.00	0.00	17.05	—	2	0

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the CSTM put/call ratio?

For the January 15, 2027 expiration, the CSTM put/call ratio based on open interest is 0.37 (4,838 puts vs 13,139 calls), and 0.72 based on today's volume. A ratio above 1 means more puts than calls.

What is CSTM's implied volatility?

At-the-money implied volatility for CSTM options expiring January 15, 2027 is about 52.7%, an annualized estimate of how much the market expects Constellium stock to move.

How many CSTM option expiration dates are there?

CSTM has 5 listed expiration dates, from Oct 16, 2026 to May 21, 2027.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.