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: Nov 20, 2026
Days to expiration: 40
Share price: $77.53
Put/call ratio (OI): 0.24
Put/call ratio (volume): 0.49
ATM implied volatility: 60.1%
Expected move: ±$15.44
Open interest (C / P): 21.30K / 5.08K

ON options summary

The ON options chain for the November 20, 2026 expiration lists 13 call and 13 put contracts, with 40 days until expiration. Open interest stands at 21,304 calls and 5,082 puts, a put/call ratio of 0.24, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $80.00 strike is 60.1%, which implies the market expects a move of about ±$15.44 (19.9%) in ON Semiconductor stock by expiration.

The most open interest sits at the $70.00 call (6.90K contracts) and the $70.00 put (1.74K contracts).

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

ON options chain · November 20, 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
—	—	—	—	—	—	45.00	0.00	0.19	0.19	77.0%	1	22
5	1	74.4%	27.72	25.95	29.60	50.00	0.04	0.26	0.12	68.3%	4	40
3	2	64.8%	31.70	21.10	24.65	55.00	0.21	0.44	0.25	64.1%	2	108
44	3	60.9%	23.40	16.60	19.85	60.00	0.61	0.90	0.92	62.4%	8	106
32	1	68.9%	15.05	13.65	15.60	65.00	1.45	1.64	1.52	60.8%	109	872
6,901	4	62.1%	10.22	10.10	11.10	70.00	2.60	3.05	2.86	59.3%	40	1,742
2,788	102	62.4%	7.50	7.55	7.85	75.00	4.65	5.00	4.80	59.0%	47	616
ON $77.53
5,300	90	62.7%	5.30	5.05	5.80	80.00	7.25	7.50	7.70	57.6%	14	418
584	63	61.9%	3.62	3.30	3.95	85.00	10.45	11.30	11.50	59.6%	2	178
4,408	138	61.0%	2.35	2.14	2.48	90.00	13.75	15.60	11.15	59.7%	5	926
232	37	61.3%	1.48	1.35	1.64	95.00	18.20	19.75	19.60	61.5%	1	38
845	50	63.2%	1.00	0.80	1.28	100.00	22.55	24.45	16.20	63.1%	2	12
92	2	62.4%	0.61	0.50	0.73	105.00	26.20	29.85	22.80	60.9%	8	4
70	6	64.8%	0.35	0.33	0.57	110.00	—	—	—	—	—	—

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 November 20, 2026 expiration, the ON put/call ratio based on open interest is 0.24 (5,082 puts vs 21,304 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 November 20, 2026 is about 60.1%, 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.