STMicroelectronics N.V. (STM) Options Chain

NYSE: STMTechnologySemiconductorsUSD

52.06-0.65 (-1.23%)

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

Expiration date

Expiration: Oct 23, 2026
Days to expiration: 12
Share price: $52.06
Put/call ratio (OI): 0.55
Put/call ratio (volume): 0.23
ATM implied volatility: 52.7%
Expected move: ±$4.97
Open interest (C / P): 830 / 460

STM options summary

The STM options chain for the October 23, 2026 expiration lists 22 call and 19 put contracts, with 12 days until expiration. Open interest stands at 830 calls and 460 puts, a put/call ratio of 0.55, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $52.00 strike is 52.7%, which implies the market expects a move of about ±$4.97 (9.6%) in STMicroelectronics N.V. stock by expiration.

The most open interest sits at the $62.00 call (399 contracts) and the $51.00 put (120 contracts).

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

STM options chain · October 23, 2026

STM 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
—	—	—	—	—	—	39.00	0.00	0.10	0.25	75.4%	—	1
—	—	—	—	—	—	40.00	0.00	0.30	0.10	84.6%	1	5
—	—	—	—	—	—	41.00	0.00	0.30	0.10	78.1%	—	2
—	—	—	—	—	—	42.00	0.00	0.15	0.15	62.5%	—	1
—	—	—	—	—	—	43.00	0.00	0.35	0.55	67.4%	1	1
1	1	85.5%	8.80	7.80	9.50	44.00	0.00	0.20	0.28	53.9%	2	3
—	—	—	—	—	—	45.00	0.00	0.25	0.14	50.4%	1	36
—	—	—	—	—	—	46.00	0.15	0.35	0.18	52.7%	1	5
1	—	63.2%	7.00	5.10	6.30	47.00	0.25	0.45	0.38	51.0%	1	8
7	6	68.5%	10.70	4.30	5.90	48.00	0.40	0.60	0.35	53.4%	1	4
9	8	52.9%	3.50	3.60	4.20	49.00	0.60	0.95	0.74	50.8%	2	26
13	1	53.6%	3.90	3.00	3.50	50.00	0.95	1.15	1.15	52.4%	1	96
6	2	53.6%	5.51	2.50	2.80	51.00	1.35	1.50	1.35	51.2%	2	120
8	1	53.5%	2.45	2.00	2.25	52.00	1.80	2.00	1.30	51.9%	1	53
STM $52.06
27	2	52.8%	2.80	1.55	1.75	53.00	2.35	2.55	2.41	51.8%	22	78
9	1	52.0%	2.15	1.15	1.35	54.00	2.90	3.30	0.94	55.0%	1	5
31	5	52.1%	1.30	0.85	1.05	55.00	3.60	4.00	3.26	55.3%	2	6
44	2	51.9%	0.75	0.60	0.80	56.00	4.20	5.00	1.90	50.6%	1	6
7	20	51.5%	0.50	0.40	0.60	57.00	—	—	—	—	—	—
11	62	52.3%	0.38	0.30	0.45	58.00	—	—	—	—	—	—
79	22	54.1%	0.27	0.20	0.40	59.00	—	—	—	—	—	—
57	4	53.2%	0.58	0.10	0.30	60.00	7.00	8.50	5.70	71.2%	1	4
17	4	59.4%	0.46	0.05	0.40	61.00	—	—	—	—	—	—
399	1	56.3%	0.20	0.05	0.20	62.00	—	—	—	—	—	—
34	24	60.2%	0.50	0.00	0.25	63.00	—	—	—	—	—	—
31	4	64.1%	0.37	0.00	0.25	64.00	—	—	—	—	—	—
34	1	65.0%	0.17	0.00	0.20	65.00	—	—	—	—	—	—
2	3	73.8%	0.07	0.00	0.10	70.00	—	—	—	—	—	—
3	3	87.9%	0.10	0.00	0.10	75.00	—	—	—	—	—	—

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 STM put/call ratio?

For the October 23, 2026 expiration, the STM put/call ratio based on open interest is 0.55 (460 puts vs 830 calls), and 0.23 based on today's volume. A ratio above 1 means more puts than calls.

What is STM's implied volatility?

At-the-money implied volatility for STM options expiring October 23, 2026 is about 52.7%, an annualized estimate of how much the market expects STMicroelectronics N.V. stock to move.

How many STM option expiration dates are there?

STM has 11 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

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.