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: Feb 19, 2027
Days to expiration: 131
Share price: $25.81
Put/call ratio (OI): 4.66
Put/call ratio (volume): 0.79
ATM implied volatility: 55.8%
Expected move: ±$8.62
Open interest (C / P): 249 / 1.16K

CSTM options summary

The CSTM options chain for the February 19, 2027 expiration lists 23 call and 11 put contracts, with 131 days until expiration. Open interest stands at 249 calls and 1,161 puts, a put/call ratio of 4.66, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $26.00 strike is 55.8%, which implies the market expects a move of about ±$8.62 (33.4%) in Constellium stock by expiration.

The most open interest sits at the $34.00 call (52 contracts) and the $25.00 put (1.00K contracts).

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

CSTM options chain · February 19, 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
6	2	72.8%	11.09	10.10	12.40	15.00	0.05	0.50	0.80	64.5%	—	1
7	1	64.5%	8.59	6.30	8.00	20.00	0.55	1.25	1.20	53.9%	1	1
—	—	—	—	—	—	21.00	0.80	1.50	1.10	53.0%	10	60
2	1	56.8%	4.12	4.10	5.70	23.00	1.35	2.05	2.20	56.1%	—	1
0	5	72.3%	8.60	4.40	6.10	24.00	—	—	—	—	—	—
15	1	54.0%	3.70	3.30	4.10	25.00	2.15	2.85	2.60	53.4%	1	1,000
CSTM $25.81
14	4	54.9%	3.30	2.70	3.30	26.00	2.40	3.60	3.00	56.7%	14	34
4	1	54.9%	2.45	2.30	3.50	27.00	3.30	4.10	3.20	55.1%	—	1
26	4	52.6%	2.18	1.85	2.95	28.00	3.50	4.70	4.35	54.4%	1	45
10	1	51.3%	3.25	1.55	2.45	29.00	4.10	5.30	4.75	53.1%	1	3
36	5	52.6%	2.37	1.25	2.35	30.00	4.80	6.00	5.75	52.8%	10	15
0	5	6.3%	4.60	0.00	0.00	31.00	—	—	—	—	—	—
1	1	50.5%	1.62	0.75	1.70	32.00	—	—	—	—	—	—
9	2	53.1%	1.27	0.75	1.60	33.00	—	—	—	—	—	—
52	2	58.0%	1.20	0.40	1.25	34.00	—	—	—	—	—	—
39	1	54.9%	0.58	0.50	1.40	35.00	—	—	—	—	—	—
1	—	50.1%	1.15	0.20	0.85	37.00	—	—	—	—	—	—
1	—	52.6%	1.05	0.25	0.80	38.00	—	—	—	—	—	—
1	—	71.9%	1.00	0.00	2.45	39.00	—	—	—	—	—	—
17	9	53.2%	0.45	0.05	0.75	40.00	—	—	—	—	—	—
2	1	69.3%	1.11	0.00	1.80	41.00	—	—	—	—	—	—
4	2	71.0%	0.40	0.00	1.75	42.00	—	—	—	—	—	—
1	—	57.9%	0.75	0.00	0.55	45.00	—	—	—	—	—	—
1	—	60.5%	0.75	0.00	0.35	50.00	21.50	25.20	21.43	89.8%	—	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 February 19, 2027 expiration, the CSTM put/call ratio based on open interest is 4.66 (1,161 puts vs 249 calls), and 0.79 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 February 19, 2027 is about 55.8%, 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.