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: May 21, 2027
Days to expiration: 223
Share price: $77.53
Put/call ratio (OI): 1.56
Put/call ratio (volume): 0.49
ATM implied volatility: 56.5%
Expected move: ±$34.26
Open interest (C / P): 4.61K / 7.20K

ON options summary

The ON options chain for the May 21, 2027 expiration lists 33 call and 29 put contracts, with 223 days until expiration. Open interest stands at 4,607 calls and 7,197 puts, a put/call ratio of 1.56, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $80.00 strike is 56.5%, which implies the market expects a move of about ±$34.26 (44.2%) in ON Semiconductor stock by expiration.

The most open interest sits at the $125.00 call (1.42K contracts) and the $75.00 put (2.07K contracts).

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

ON options chain · May 21, 2027

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
12	1	89.2%	40.68	47.30	50.35	30.00	0.01	0.62	0.31	65.9%	1	163
10	3	57.8%	45.78	40.05	42.90	35.00	0.10	0.88	0.75	61.1%	140	230
4	2	75.5%	36.00	37.85	41.45	40.00	0.44	1.46	0.94	60.4%	1	34
5	2	31.4%	54.67	30.00	32.60	45.00	0.92	2.04	1.15	57.9%	1	775
1	2	54.9%	52.00	25.90	29.65	50.00	1.50	3.05	3.60	56.3%	1	1,345
680	1	66.1%	29.70	26.10	29.05	55.00	2.45	4.15	2.97	54.6%	2	32
22	1	64.7%	22.00	22.45	25.95	60.00	4.05	5.90	5.34	55.2%	1	10
18	5	62.8%	19.80	19.50	22.45	65.00	5.20	8.05	5.00	53.8%	1	174
23	2	62.3%	19.54	16.50	20.10	70.00	7.30	10.10	6.50	52.9%	1	250
110	70	61.2%	16.60	13.95	17.55	75.00	9.75	12.40	8.42	52.0%	2	2,073
ON $77.53
35	1	60.6%	13.00	12.25	14.90	80.00	12.50	15.70	12.00	52.5%	1	52
76	3	60.3%	16.09	10.00	13.45	85.00	15.55	18.60	15.65	51.6%	1	15
73	1	60.7%	14.72	8.75	11.75	90.00	18.85	22.35	16.20	51.9%	1	761
0	2	6.3%	10.60	0.00	0.00	95.00	0.00	0.00	27.85	—	2	0
133	1	60.3%	11.11	6.25	9.00	100.00	26.30	29.00	26.75	55.5%	1	17
32	9	59.9%	5.35	5.15	7.90	105.00	35.30	38.75	33.30	73.1%	3	15
15	1	60.2%	6.20	4.40	7.00	110.00	23.00	27.00	26.21	—	—	1
29	2	60.3%	3.60	3.80	6.10	115.00	41.30	44.50	41.50	62.6%	2	15
366	1	61.2%	7.55	3.45	5.50	120.00	0.00	0.00	28.61	—	1	0
1,418	1	61.4%	4.21	2.95	4.90	125.00	53.40	55.90	35.00	77.6%	1	1,225
10	1	61.0%	2.35	2.20	4.50	130.00	57.65	61.10	50.35	79.4%	4	10
22	1	61.6%	3.21	1.99	4.05	135.00	0.00	0.00	39.90	—	5	0
30	18	64.6%	13.80	2.29	3.90	140.00	0.00	0.00	43.50	—	5	0
262	145	63.0%	2.82	1.49	3.50	145.00	0.00	0.00	46.75	—	5	0
154	2	63.1%	1.45	1.21	3.20	150.00	0.00	0.00	50.45	—	5	0
625	1	63.2%	1.50	0.99	2.91	155.00	0.00	0.00	54.05	—	5	0
0	17	25.0%	3.49	0.00	0.00	160.00	0.00	0.00	57.85	—	5	0
47	1	67.0%	9.70	1.31	2.58	165.00	0.00	0.00	55.95	—	—	0
0	2	25.0%	3.20	0.00	0.00	170.00	0.00	0.00	60.30	—	—	0
0	1	25.0%	1.55	0.00	0.00	175.00	—	—	—	—	—	—
145	50	64.9%	0.94	0.59	1.80	180.00	—	—	—	—	—	—
15	1	65.1%	1.11	0.48	1.68	185.00	—	—	—	—	—	—
235	50	65.4%	0.79	0.39	1.57	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 May 21, 2027 expiration, the ON put/call ratio based on open interest is 1.56 (7,197 puts vs 4,607 calls), and 0.49 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 May 21, 2027 is about 56.5%, 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.