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 16, 2026
Days to expiration: 5
Share price: $52.06
Put/call ratio (OI): 0.41
Put/call ratio (volume): 0.81
ATM implied volatility: 52.6%
Expected move: ±$3.21
Open interest (C / P): 62.75K / 25.81K

STM options summary

The STM options chain for the October 16, 2026 expiration lists 49 call and 51 put contracts, with 5 days until expiration. Open interest stands at 62,748 calls and 25,808 puts, a put/call ratio of 0.41, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $52.00 strike is 52.6%, which implies the market expects a move of about ±$3.21 (6.2%) in STMicroelectronics N.V. stock by expiration.

The most open interest sits at the $55.00 call (14.11K contracts) and the $55.00 put (3.63K contracts).

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

STM options chain · October 16, 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
14	1	526.8%	31.35	31.50	34.10	20.00	0.00	0.15	0.15	343.8%	40	45
0	1	—	40.30	0.00	0.00	25.00	0.00	0.10	0.20	254.7%	1	62
—	—	—	—	—	—	26.00	0.00	0.10	0.21	242.2%	1	68
—	—	—	—	—	—	27.00	0.00	0.15	0.25	243.8%	7	20
1	1	269.9%	21.55	23.30	25.20	28.00	0.00	0.10	0.05	218.8%	3	23
1	1	304.5%	22.00	22.50	24.50	29.00	0.00	0.15	0.30	219.5%	2	1,008
27	1	289.4%	22.45	21.50	23.50	30.00	0.00	0.10	0.01	196.9%	2	48
47	1	251.0%	17.15	20.50	22.20	31.00	0.00	1.40	1.25	308.8%	4	23
367	1	237.9%	21.60	19.50	21.20	32.00	0.00	0.00	0.10	50.0%	6	0
1,237	26	247.5%	26.20	18.50	20.50	33.00	0.00	0.00	0.10	50.0%	27	0
41	10	184.4%	19.62	17.50	18.90	34.00	0.00	0.30	0.15	186.7%	10	57
82	1	221.1%	21.90	16.50	18.50	35.00	0.00	0.10	0.13	146.9%	2	1,030
55	2	208.4%	20.20	15.50	17.50	36.00	0.00	0.20	0.77	153.5%	1	78
0	4	—	14.88	0.00	0.00	37.00	0.00	0.50	0.05	171.5%	10	62
70	10	166.0%	15.35	13.50	15.20	38.00	0.00	0.30	0.12	144.5%	1	25
19	1	1575.2%	9.50	37.20	38.90	39.00	0.00	0.05	0.05	100.0%	2	109
43	17	160.2%	16.50	11.60	12.50	40.00	0.00	0.05	0.03	92.2%	2	108
64	6	103.9%	10.80	10.80	11.50	41.00	0.00	0.10	0.18	94.1%	1	274
4	5	95.3%	10.43	9.80	10.50	42.00	0.00	0.05	0.10	77.3%	4	114
—	—	—	—	—	—	43.00	0.00	0.05	0.06	69.5%	3	173
—	—	—	—	—	—	43.50	0.00	0.10	0.12	73.8%	—	1
22	17	77.7%	12.55	7.80	8.50	44.00	0.00	0.10	0.08	69.9%	2	2,090
181	2	69.1%	7.00	6.80	7.50	45.00	0.00	0.10	0.06	61.7%	22	2,022
100	1	72.1%	5.60	5.90	6.60	46.00	0.00	0.15	0.06	58.4%	1	601
—	—	—	—	—	—	46.50	0.05	0.15	0.26	57.6%	1	12
13	1	62.5%	9.59	4.90	5.60	47.00	0.05	0.20	0.10	56.3%	1	700
16	—	61.7%	4.60	4.50	5.10	47.50	0.05	0.20	0.05	51.6%	1	190
167	1	56.6%	5.20	4.00	4.60	48.00	0.10	0.25	0.20	51.6%	53	1,281
—	—	—	—	—	—	48.50	0.15	0.35	0.60	52.1%	1	162
332	12	55.3%	8.46	3.20	3.70	49.00	0.30	0.40	0.35	53.0%	2	2,354
4	—	55.9%	3.30	2.85	3.30	49.50	0.35	0.50	0.50	51.3%	1	371
1,407	10	55.3%	2.55	2.55	2.85	50.00	0.45	0.60	0.58	50.0%	5	2,506
182	8	54.4%	1.86	1.90	2.15	51.00	0.75	0.95	0.82	53.8%	25	1,016
319	10	53.4%	1.36	1.35	1.55	52.00	1.20	1.35	1.27	51.9%	49	460
STM $52.06
1,104	281	52.9%	0.95	0.90	1.10	53.00	1.75	1.95	1.95	53.3%	23	660
1,591	20	53.2%	0.63	0.60	0.75	54.00	2.35	2.65	2.46	54.7%	1	838
14,106	104	52.7%	0.43	0.35	0.50	55.00	3.10	3.50	3.30	59.4%	8	3,627
1,030	73	53.6%	0.27	0.20	0.35	56.00	3.90	4.40	3.73	64.4%	54	185
9,139	68	54.5%	0.17	0.10	0.25	57.00	4.70	5.30	3.17	67.6%	2	371
172	7	57.2%	0.30	0.05	0.20	58.00	5.70	6.30	2.72	76.0%	2	270
538	4	57.4%	0.08	0.00	0.15	59.00	6.60	7.30	6.60	83.9%	120	77
3,643	221	63.7%	0.09	0.05	0.10	60.00	7.70	8.30	7.50	60.9%	22	2,506
1,351	7	57.8%	0.06	0.00	0.05	61.00	—	—	—	—	—	—
1,740	20	77.3%	0.07	0.00	0.05	65.00	12.50	13.30	7.70	125.7%	34	107
4,319	15	98.4%	0.13	0.00	0.05	70.00	17.60	18.40	17.47	111.7%	2	56
1,552	1	128.9%	0.03	0.00	0.10	75.00	22.20	23.50	23.45	200.6%	5	13
4,906	2	135.9%	0.03	0.00	0.05	80.00	27.30	28.50	28.63	225.5%	2	3
1,593	4	151.6%	0.05	0.00	0.05	85.00	32.60	33.50	32.49	184.8%	2	2
2,799	1	181.3%	0.03	0.00	0.10	90.00	37.10	38.50	38.70	269.1%	159	0
1,448	1	181.3%	0.05	0.00	0.05	95.00	41.80	43.50	44.00	288.3%	95	0
5,507	1	195.3%	0.03	0.00	0.05	100.00	48.60	52.30	32.50	444.5%	—	0
0	1	50.0%	0.20	0.00	0.00	105.00	—	—	—	—	—	—
356	20	235.9%	0.20	0.00	0.10	110.00	—	—	—	—	—	—
54	3	248.4%	0.30	0.00	0.10	115.00	—	—	—	—	—	—
985	10	297.7%	0.02	0.00	0.30	120.00	69.40	72.20	54.60	537.2%	—	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 STM put/call ratio?

For the October 16, 2026 expiration, the STM put/call ratio based on open interest is 0.41 (25,808 puts vs 62,748 calls), and 0.81 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 16, 2026 is about 52.6%, 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.