Ducommun (DCO) Options Chain

NYSE: DCOIndustrialsMilitary/Government/TechnicalUSD

170.56+2.26 (+1.34%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $170.56
Put/call ratio (OI): 0.80
Put/call ratio (volume): 0.43
ATM implied volatility: 54.8%
Expected move: ±$30.91
Open interest (C / P): 287 / 231

DCO options summary

The DCO options chain for the November 20, 2026 expiration lists 25 call and 22 put contracts, with 40 days until expiration. Open interest stands at 287 calls and 231 puts, a put/call ratio of 0.80, which is fairly balanced between calls and puts. At-the-money implied volatility near the $170.00 strike is 54.8%, which implies the market expects a move of about ±$30.91 (18.1%) in Ducommun stock by expiration.

The most open interest sits at the $200.00 call (101 contracts) and the $180.00 put (170 contracts).

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

DCO options chain · November 20, 2026

DCO 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
—	—	—	—	—	—	65.00	0.00	2.45	0.85	174.3%	1	4
—	—	—	—	—	—	70.00	0.00	2.50	0.45	162.8%	1	3
—	—	—	—	—	—	80.00	0.00	2.85	0.75	145.0%	1	4
4	1	286.7%	94.89	98.30	102.50	85.00	0.00	0.00	3.13	50.0%	3	0
—	—	—	—	—	—	90.00	0.00	3.20	1.10	128.6%	1	2
—	—	—	—	—	—	95.00	0.00	3.50	1.35	121.9%	—	1
0	—	—	106.00	0.00	0.00	100.00	0.00	3.70	1.60	114.5%	1	3
—	—	—	—	—	—	105.00	0.00	4.00	1.90	108.0%	1	2
—	—	—	—	—	—	110.00	0.00	3.80	2.55	98.2%	1	2
—	—	—	—	—	—	115.00	0.00	0.00	6.10	25.0%	—	0
—	—	—	—	—	—	125.00	0.00	3.70	3.13	74.4%	4	7
30	30	176.1%	48.00	56.70	60.60	130.00	0.05	4.10	2.65	69.5%	1	5
4	4	—	23.27	25.80	30.00	135.00	—	—	—	—	—	—
29	1	68.3%	33.64	32.80	35.90	140.00	0.50	4.70	2.75	59.4%	1	5
2	2	64.2%	29.40	28.60	31.30	145.00	1.25	5.30	5.05	56.9%	—	2
1	3	62.9%	28.73	24.60	27.70	150.00	—	—	—	—	—	—
5	4	105.8%	25.77	29.50	33.50	155.00	4.10	7.40	6.30	55.0%	1	2
1	—	27.7%	7.70	8.80	12.80	160.00	—	—	—	—	—	—
1	—	129.3%	29.75	29.60	33.70	165.00	9.10	13.10	10.74	61.2%	1	0
17	1	57.0%	14.65	11.60	14.90	170.00	9.90	13.40	10.95	52.5%	1	3
DCO $170.56
0	1	1.6%	29.06	0.00	0.00	175.00	—	—	—	—	—	—
52	1	59.0%	12.54	8.20	11.00	180.00	16.80	19.00	20.00	54.0%	7	170
13	2	56.7%	10.10	5.60	9.30	185.00	0.00	0.00	13.31	—	1	0
5	2	55.2%	18.50	3.70	7.80	190.00	—	—	—	—	—	—
2	2	69.8%	16.40	5.70	9.30	195.00	31.20	34.80	35.00	74.9%	—	16
101	1	59.1%	0.50	3.20	5.50	200.00	30.70	33.60	27.30	58.0%	2	0
0	5	12.5%	23.65	0.00	0.00	210.00	—	—	—	—	—	—
0	2	12.5%	16.15	0.00	0.00	220.00	—	—	—	—	—	—
4	2	62.7%	2.21	0.00	2.90	230.00	0.00	0.00	39.50	—	—	0
2	—	82.3%	1.45	0.85	4.90	240.00	—	—	—	—	—	—
0	1	25.0%	8.85	0.00	0.00	250.00	—	—	—	—	—	—
5	1	81.0%	2.25	0.00	2.95	260.00	—	—	—	—	—	—
5	1	85.1%	1.80	0.00	2.75	270.00	—	—	—	—	—	—
4	1	89.0%	1.20	0.00	2.60	280.00	—	—	—	—	—	—

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 DCO put/call ratio?

For the November 20, 2026 expiration, the DCO put/call ratio based on open interest is 0.80 (231 puts vs 287 calls), and 0.43 based on today's volume. A ratio above 1 means more puts than calls.

What is DCO's implied volatility?

At-the-money implied volatility for DCO options expiring November 20, 2026 is about 54.8%, an annualized estimate of how much the market expects Ducommun stock to move.

How many DCO option expiration dates are there?

DCO has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 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.