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: Jan 21, 2028
Days to expiration: 468
Share price: $77.53
Put/call ratio (OI): 0.23
Put/call ratio (volume): 7.18
ATM implied volatility: 57.5%
Expected move: ±$50.51
Open interest (C / P): 24.41K / 5.59K

ON options summary

The ON options chain for the January 21, 2028 expiration lists 39 call and 33 put contracts, with 468 days until expiration. Open interest stands at 24,413 calls and 5,587 puts, a put/call ratio of 0.23, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $80.00 strike is 57.5%, which implies the market expects a move of about ±$50.51 (65.2%) in ON Semiconductor stock by expiration.

The most open interest sits at the $180.00 call (5.17K contracts) and the $115.00 put (860 contracts).

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

ON options chain · January 21, 2028

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
35	1	83.8%	54.40	52.50	57.00	25.00	0.00	5.00	0.76	87.0%	3	72
8	2	83.7%	48.55	50.00	55.00	28.00	0.00	1.88	1.11	60.7%	15	28
15	1	80.9%	47.77	48.50	53.00	30.00	0.00	3.20	1.25	65.2%	2	73
5	3	71.9%	53.80	43.00	47.50	33.00	0.24	2.11	1.45	54.8%	6	524
21	6	77.0%	48.76	44.50	49.00	35.00	1.29	2.39	1.30	58.2%	1	129
3	1	54.2%	47.05	39.00	44.00	38.00	0.88	4.15	2.60	58.6%	3	15
65	2	68.3%	42.10	40.55	43.50	40.00	2.26	2.95	2.25	55.9%	1	64
0	1	—	47.20	0.00	0.00	43.00	2.83	3.70	4.60	55.3%	2	9
58	1	67.0%	37.90	37.05	40.00	45.00	3.25	4.20	3.45	54.7%	500	586
53	1	67.2%	31.18	35.65	39.00	47.00	3.80	4.70	4.28	54.4%	18	224
122	3	66.6%	37.40	33.80	37.00	50.00	4.45	5.25	5.24	52.5%	14	185
40	1	64.6%	40.47	30.75	33.50	55.00	5.95	7.45	5.90	52.7%	1	108
663	3	65.0%	29.30	27.70	31.60	60.00	7.30	9.30	8.80	50.9%	14	82
403	1	62.8%	29.33	25.35	28.00	65.00	9.85	11.50	9.50	51.0%	1	32
242	3	62.6%	24.58	22.50	26.35	70.00	12.45	14.15	11.15	51.1%	1	347
136	9	61.9%	21.58	20.10	24.30	75.00	14.40	16.70	14.20	52.8%	10	225
ON $77.53
431	20	62.5%	20.65	19.95	21.25	80.00	17.80	19.70	18.00	52.6%	1	129
556	1	61.9%	20.60	17.50	20.00	85.00	19.30	23.80	19.63	54.9%	2	214
695	4	61.4%	19.50	15.75	18.35	90.00	22.50	26.55	21.55	52.9%	5	357
178	1	61.6%	17.20	14.55	17.00	95.00	26.00	30.50	24.81	53.8%	12	88
468	2	60.8%	15.35	13.20	15.25	100.00	29.50	34.00	35.22	53.1%	1	17
87	1	61.4%	17.76	11.25	15.40	105.00	33.50	38.00	40.05	53.4%	1	9
1,014	9	60.6%	16.50	10.00	14.00	110.00	42.70	45.70	41.97	59.9%	1	12
170	1	61.2%	10.95	9.20	13.35	115.00	41.00	45.50	48.60	51.6%	2	860
73	1	62.0%	11.05	9.45	11.90	120.00	50.50	54.25	46.65	59.8%	2	4
78	1	61.7%	9.25	8.55	11.00	125.00	49.50	54.00	58.90	51.6%	3	11
39	1	62.0%	8.51	8.05	10.30	130.00	53.90	57.00	45.02	46.8%	4	8
34	1	61.7%	7.16	7.45	9.35	135.00	58.00	62.50	65.23	50.5%	1	2
972	5	61.4%	8.00	6.80	8.60	140.00	47.50	50.20	51.45	—	—	500
5,086	5	60.9%	7.89	6.45	7.55	145.00	72.75	77.20	69.35	62.6%	7	400
1,272	6	60.5%	9.09	5.80	6.95	150.00	72.00	76.00	79.40	49.8%	1	4
57	8	60.9%	5.21	5.45	6.60	155.00	80.65	83.40	80.54	55.5%	463	268
169	1	60.1%	5.40	3.85	6.95	160.00	—	—	—	—	—	—
160	2	62.1%	7.75	4.40	6.70	165.00	—	—	—	—	—	—
541	1	61.1%	4.80	4.35	5.45	170.00	86.50	91.50	67.33	—	—	1
150	14	60.6%	3.84	2.73	6.15	175.00	—	—	—	—	—	—
5,171	1	61.9%	4.65	3.80	5.10	180.00	—	—	—	—	—	—
240	4	62.7%	5.50	3.35	5.35	185.00	—	—	—	—	—	—
4,903	24	61.2%	3.82	3.10	4.40	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 January 21, 2028 expiration, the ON put/call ratio based on open interest is 0.23 (5,587 puts vs 24,413 calls), and 7.18 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 January 21, 2028 is about 57.5%, 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.