Dorman Products (DORM) Options Chain

NASDAQ: DORMConsumer DiscretionaryAuto Parts:O.E.M.USD

120.40-1.27 (-1.04%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $120.40
Put/call ratio (OI): 0.82
Put/call ratio (volume): 0.50
ATM implied volatility: 54.2%
Expected move: ±$21.60
Open interest (C / P): 233 / 192

DORM options summary

The DORM options chain for the November 20, 2026 expiration lists 14 call and 17 put contracts, with 40 days until expiration. Open interest stands at 233 calls and 192 puts, a put/call ratio of 0.82, which is fairly balanced between calls and puts. At-the-money implied volatility near the $120.00 strike is 54.2%, which implies the market expects a move of about ±$21.60 (17.9%) in Dorman Products stock by expiration.

The most open interest sits at the $140.00 call (73 contracts) and the $160.00 put (70 contracts).

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

DORM options chain · November 20, 2026

DORM 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
—	—	—	—	—	—	85.00	0.00	2.85	1.68	83.3%	—	1
1	2	165.7%	25.88	39.50	42.90	90.00	0.00	2.40	0.60	69.1%	1	2
—	—	—	—	—	—	95.00	0.00	2.65	0.90	60.9%	1	4
—	—	—	—	—	—	100.00	0.55	1.30	1.10	50.8%	5	10
—	—	—	—	—	—	105.00	0.30	3.70	1.75	63.1%	1	6
—	—	—	—	—	—	110.00	0.60	4.10	3.93	53.9%	—	9
—	—	—	—	—	—	115.00	2.30	6.00	3.90	53.6%	1	6
—	—	—	—	—	—	120.00	5.30	8.50	6.90	54.2%	1	5
DORM $120.40
6	1	55.6%	6.80	3.50	7.00	125.00	8.10	11.00	8.10	51.9%	4	5
0	34	6.3%	13.70	0.00	0.00	130.00	11.50	14.50	10.50	53.2%	1	1
9	1	62.5%	3.30	0.90	4.90	135.00	15.40	18.00	13.60	52.0%	1	61
73	2	50.6%	3.09	0.40	4.10	140.00	0.00	0.00	14.70	—	1	0
71	1	51.2%	1.20	0.00	3.20	145.00	0.00	0.00	15.90	—	1	0
6	1	57.1%	1.30	0.25	2.95	150.00	29.20	31.30	29.50	58.2%	3	0
12	1	59.5%	0.70	0.15	2.50	155.00	34.00	36.10	32.10	61.6%	2	12
48	1	64.6%	0.50	0.00	2.65	160.00	27.70	31.00	20.50	—	—	70
3	1	68.1%	0.40	0.00	2.45	165.00	—	—	—	—	—	—
2	1	71.9%	0.30	0.00	2.35	170.00	—	—	—	—	—	—
1	—	83.0%	2.00	0.00	2.70	180.00	—	—	—	—	—	—
0	—	25.0%	2.05	0.00	0.00	185.00	—	—	—	—	—	—
1	—	93.6%	1.55	0.00	2.15	200.00	66.60	70.10	54.50	—	—	0

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 DORM put/call ratio?

For the November 20, 2026 expiration, the DORM put/call ratio based on open interest is 0.82 (192 puts vs 233 calls), and 0.50 based on today's volume. A ratio above 1 means more puts than calls.

What is DORM's implied volatility?

At-the-money implied volatility for DORM options expiring November 20, 2026 is about 54.2%, an annualized estimate of how much the market expects Dorman Products stock to move.

How many DORM option expiration dates are there?

DORM has 4 listed expiration dates, from Oct 16, 2026 to May 21, 2027.

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.