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 19, 2029
Days to expiration: 832
Share price: $77.53
Put/call ratio (OI): 0.45
Put/call ratio (volume): 2.51
ATM implied volatility: 56.4%
Expected move: ±$66.01
Open interest (C / P): 587 / 265

ON options summary

The ON options chain for the January 19, 2029 expiration lists 14 call and 14 put contracts, with 832 days until expiration. Open interest stands at 587 calls and 265 puts, a put/call ratio of 0.45, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $80.00 strike is 56.4%, which implies the market expects a move of about ±$66.01 (85.1%) in ON Semiconductor stock by expiration.

The most open interest sits at the $50.00 call (236 contracts) and the $35.00 put (53 contracts).

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

ON options chain · January 19, 2029

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
15	1	75.2%	52.34	48.00	52.50	35.00	2.50	5.20	3.58	55.8%	1	53
4	1	70.1%	50.03	45.00	47.75	40.00	4.50	5.35	5.22	53.3%	—	10
2	1	70.8%	39.57	42.00	46.00	45.00	5.75	7.30	6.00	52.4%	1	10
236	10	68.1%	49.00	39.15	42.50	50.00	7.65	8.90	7.30	51.4%	1	17
2	2	68.6%	40.03	36.55	41.00	55.00	9.50	11.85	11.30	51.8%	50	51
—	—	—	—	—	—	60.00	10.00	13.20	12.65	51.8%	1	26
184	1	65.4%	35.50	32.55	34.70	65.00	13.90	15.60	15.80	51.0%	1	22
14	2	65.0%	33.90	30.30	33.00	70.00	15.00	18.10	17.80	50.0%	305	23
20	60	64.6%	29.55	29.00	30.65	75.00	19.25	20.90	19.03	49.4%	1	33
ON $77.53
20	2	64.2%	27.70	27.30	28.85	80.00	20.50	23.80	21.56	48.6%	10	11
62	57	63.4%	28.92	25.35	27.25	85.00	—	—	24.58	—	—	—
10	7	63.7%	29.00	24.00	26.10	90.00	27.20	30.95	30.60	49.2%	1	7
—	—	—	—	—	—	95.00	30.50	33.60	35.52	47.1%	—	1
4	2	63.2%	23.25	21.45	23.30	100.00	—	—	—	—	—	—
14	2	64.5%	20.80	20.25	23.50	105.00	38.00	41.20	42.70	47.0%	—	1
—	—	—	21.69	—	—	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 January 19, 2029 expiration, the ON put/call ratio based on open interest is 0.45 (265 puts vs 587 calls), and 2.51 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 19, 2029 is about 56.4%, 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.