ON Semiconductor (ON) Options Chain

NASDAQ: ONTechnologySemiconductorsUSD

77.53-1.88 (-2.37%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $77.53
Put/call ratio (OI): 0.70
Put/call ratio (volume): 0.85
ATM implied volatility: 56.1%
Expected move: ±$18.78
Open interest (C / P): 15.24K / 10.63K

ON options summary

The ON options chain for the December 18, 2026 expiration lists 34 call and 27 put contracts, with 68 days until expiration. Open interest stands at 15,243 calls and 10,631 puts, a put/call ratio of 0.70, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $80.00 strike is 56.1%, which implies the market expects a move of about ±$18.78 (24.2%) in ON Semiconductor stock by expiration.

The most open interest sits at the $155.00 call (2.76K contracts) and the $65.00 put (1.56K contracts).

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

ON options chain · December 18, 2026

ON 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
40	8	129.1%	42.59	51.40	54.05	25.00	0.00	0.14	0.15	111.7%	20	35
453	1	—	48.00	43.55	46.10	30.00	0.00	0.00	0.22	50.0%	2	0
250	2	101.5%	42.70	40.90	44.80	35.00	0.03	0.10	0.06	79.5%	2	89
141	1	86.1%	30.70	36.00	39.70	40.00	0.00	0.50	0.06	82.4%	4	157
206	5	81.0%	27.10	31.75	34.40	45.00	0.01	0.44	0.16	68.1%	2	1,155
90	1	64.7%	36.69	26.35	29.60	50.00	0.30	0.75	0.30	67.1%	3	870
54	4	67.7%	31.76	21.75	25.60	55.00	0.62	0.89	0.77	60.2%	33	820
433	15	69.3%	19.31	18.55	21.00	60.00	0.69	1.51	1.47	53.8%	4	832
510	2	61.3%	23.10	13.95	16.85	65.00	2.35	2.61	2.42	57.3%	41	1,561
548	5	66.0%	16.00	11.90	13.50	70.00	3.65	4.95	4.20	58.6%	11	1,239
738	111	57.7%	8.60	8.30	9.60	75.00	5.85	6.45	6.30	55.7%	11	783
ON $77.53
1,166	307	57.8%	6.55	6.45	6.95	80.00	8.30	9.15	9.00	54.5%	273	1,486
881	6	58.4%	5.00	4.85	5.15	85.00	10.60	13.10	12.85	53.6%	3	479
1,501	50	58.1%	3.70	3.45	3.75	90.00	14.20	17.40	10.15	55.9%	24	162
402	9	58.4%	2.62	2.49	2.71	95.00	17.90	21.45	18.85	54.6%	1	124
309	24	59.7%	1.86	1.80	2.13	100.00	21.85	25.75	22.86	52.5%	1	116
459	3	60.5%	1.94	0.96	1.95	105.00	27.05	30.30	20.80	57.3%	1	85
720	2	60.1%	0.95	0.93	1.08	110.00	31.70	34.95	28.10	57.7%	28	115
188	2	60.1%	1.05	0.58	0.83	115.00	36.30	39.75	43.70	57.1%	1	468
241	7	62.7%	0.52	0.41	0.80	120.00	0.00	0.00	45.30	—	8	0
308	29	63.9%	0.52	0.17	0.78	125.00	45.85	49.55	55.97	56.4%	6	1
149	4	64.9%	0.42	0.09	0.65	130.00	50.55	53.90	58.40	86.3%	1	1
882	7	65.4%	0.30	0.00	0.56	135.00	55.70	58.85	63.45	89.8%	1	1
75	2	72.2%	0.75	0.00	0.75	140.00	66.15	70.10	47.76	142.2%	1	0
151	2	69.6%	0.26	0.00	0.45	145.00	0.00	0.00	39.60	—	—	0
130	2	65.4%	0.13	0.00	0.21	150.00	76.10	79.45	61.13	147.8%	2	0
2,756	2	75.1%	0.17	0.05	0.38	155.00	67.10	69.75	50.00	—	50	52
52	4	75.0%	0.09	0.00	0.33	160.00	—	—	—	—	—	—
326	1	81.0%	0.30	0.00	0.45	165.00	—	—	—	—	—	—
239	3	76.9%	0.18	0.00	0.24	170.00	—	—	—	—	—	—
413	1	85.0%	0.23	0.00	0.41	175.00	—	—	—	—	—	—
84	2	87.0%	0.20	0.00	0.40	180.00	—	—	—	—	—	—
143	1	89.1%	0.03	0.00	0.39	185.00	—	—	—	—	—	—
205	2	90.9%	0.10	0.00	0.38	190.00	—	—	—	—	—	—

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 ON put/call ratio?

For the December 18, 2026 expiration, the ON put/call ratio based on open interest is 0.70 (10,631 puts vs 15,243 calls), and 0.85 based on today's volume. A ratio above 1 means more puts than calls.

What is ON's implied volatility?

At-the-money implied volatility for ON options expiring December 18, 2026 is about 56.1%, an annualized estimate of how much the market expects ON Semiconductor stock to move.

How many ON option expiration dates are there?

ON has 18 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.