Costco Wholesale (COST) Options Chain

NASDAQ: COSTConsumer DiscretionaryDepartment/Specialty Retail StoresUSD

946.92-1.00 (-0.11%)

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

Expiration date

Expiration: Nov 6, 2026
Days to expiration: 26
Share price: $946.92
Put/call ratio (OI): 1.96
Put/call ratio (volume): 6.24
ATM implied volatility: 20.7%
Expected move: ±$52.37
Open interest (C / P): 2.85K / 5.57K

COST options summary

The COST options chain for the November 6, 2026 expiration lists 54 call and 55 put contracts, with 26 days until expiration. Open interest stands at 2,847 calls and 5,574 puts, a put/call ratio of 1.96, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $945.00 strike is 20.7%, which implies the market expects a move of about ±$52.37 (5.5%) in Costco Wholesale stock by expiration.

The most open interest sits at the $925.00 call (372 contracts) and the $740.00 put (797 contracts).

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

COST options chain · November 6, 2026

COST 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
1	1	90.5%	380.94	403.10	412.10	540.00	—	—	—	—	—	—
—	—	—	—	—	—	550.00	0.00	4.90	0.01	106.6%	—	1
—	—	—	—	—	—	570.00	0.00	4.90	0.01	100.4%	1	1
1	1	81.9%	331.57	353.65	362.20	590.00	—	—	—	—	—	—
—	—	—	—	—	—	660.00	0.00	4.90	0.07	74.9%	—	1
—	—	—	—	—	—	690.00	0.00	4.90	0.01	67.0%	1	2
—	—	—	—	—	—	700.00	0.00	4.90	0.07	64.4%	1	2
—	—	—	—	—	—	710.00	0.00	4.90	2.18	61.9%	—	1
—	—	—	—	—	—	735.00	0.00	4.90	0.05	55.6%	4	173
—	—	—	—	—	—	740.00	0.00	1.00	0.19	46.3%	21	797
—	—	—	—	—	—	745.00	0.00	4.90	0.51	53.2%	60	352
—	—	—	—	—	—	750.00	0.00	3.15	0.83	54.7%	1	5
—	—	—	—	—	—	770.00	0.00	1.18	0.51	41.0%	7	93
—	—	—	—	—	—	790.00	0.00	4.90	0.54	49.8%	27	72
—	—	—	—	—	—	795.00	0.00	4.90	0.56	48.4%	227	232
—	—	—	—	—	—	800.00	0.00	4.85	0.08	47.0%	11	307
—	—	—	—	—	—	805.00	0.00	4.90	0.50	45.8%	1	34
—	—	—	—	—	—	810.00	0.00	4.90	0.62	44.5%	12	8
—	—	—	—	—	—	815.00	0.00	4.90	2.45	43.1%	23	20
—	—	—	—	—	—	820.00	0.00	4.90	0.47	41.8%	9	25
—	—	—	—	—	—	825.00	0.00	4.90	0.83	40.5%	28	4
—	—	—	—	—	—	830.00	0.00	4.90	0.43	39.2%	1	71
—	—	—	—	—	—	835.00	0.00	1.10	1.77	26.8%	1	33
—	—	—	—	—	—	840.00	0.21	2.02	0.22	29.2%	1	80
—	—	—	—	—	—	845.00	0.15	1.24	1.97	25.2%	1	68
6	—	35.6%	79.15	95.45	102.70	850.00	0.25	2.16	0.70	27.3%	28	55
1	—	36.5%	76.45	90.60	98.95	855.00	0.32	9.20	0.71	40.1%	5	37
7	8	33.5%	65.10	85.70	93.05	860.00	0.52	1.61	1.02	23.3%	6	35
5	1	29.6%	71.64	80.90	86.70	865.00	0.55	1.57	1.20	22.1%	6	93
3	1	28.4%	80.05	76.10	81.75	870.00	1.07	1.67	1.37	21.3%	16	164
8	—	27.5%	55.75	71.35	77.00	875.00	1.29	2.01	1.64	21.1%	15	79
8	1	26.8%	72.42	66.65	72.40	880.00	1.61	2.31	1.80	20.7%	14	76
1	—	26.9%	49.65	62.05	68.35	885.00	1.98	2.92	2.61	20.8%	2	223
—	—	—	—	—	—	890.00	2.42	3.35	3.22	20.4%	1	309
2	1	26.1%	33.00	53.00	59.85	895.00	2.68	3.95	3.63	20.1%	4	55
43	1	23.7%	51.00	48.65	54.25	900.00	3.15	4.45	4.04	19.6%	126	321
141	1	23.9%	47.78	44.45	50.55	905.00	4.15	5.25	5.02	19.3%	12	46
146	1	24.8%	45.63	40.35	47.65	910.00	4.75	6.70	5.72	19.8%	112	254
44	2	22.6%	40.00	38.00	42.25	915.00	5.60	7.75	7.55	19.6%	11	625
356	5	22.2%	34.67	34.00	38.45	920.00	7.20	8.55	8.16	18.8%	23	172
372	5	21.6%	31.07	30.15	34.60	925.00	8.50	13.60	9.92	22.6%	32	238
30	5	23.1%	28.75	27.45	32.90	930.00	7.95	16.00	10.63	23.1%	1	7
16	5	22.7%	30.85	24.10	29.65	935.00	12.10	14.25	12.80	19.2%	66	66
149	2	20.5%	26.23	22.00	24.65	940.00	12.70	17.50	13.64	20.3%	533	220
103	1	21.1%	22.79	18.90	22.65	945.00	15.20	19.90	16.85	20.3%	11	87
COST $946.92
130	39	20.3%	16.65	17.10	19.35	950.00	18.60	20.85	20.83	18.7%	1	10
12	29	19.8%	15.50	14.75	16.65	955.00	19.45	24.15	23.65	19.2%	2	2
85	15	20.7%	15.99	13.05	15.55	960.00	23.20	27.20	27.00	19.3%	7	6
18	3	19.1%	11.04	10.75	12.10	965.00	—	—	—	—	—	—
97	3	19.7%	9.60	9.15	10.95	970.00	—	—	—	—	—	—
47	1	21.1%	8.05	7.85	10.70	975.00	—	—	—	—	—	—
39	2	22.3%	7.15	6.45	10.40	980.00	35.75	41.80	67.75	20.4%	2	2
36	3	19.6%	7.32	4.95	6.85	985.00	39.60	45.75	70.40	20.6%	—	2
232	6	21.9%	4.79	4.05	7.60	990.00	42.15	51.10	71.80	22.4%	2	1
134	7	20.0%	4.40	3.85	5.20	995.00	—	—	—	—	—	—
91	9	19.5%	3.45	2.74	4.10	1,000.00	53.10	58.35	55.44	21.4%	2	1
21	6	20.2%	2.95	2.60	3.80	1,005.00	55.85	64.10	85.45	23.7%	12	6
12	1	21.1%	3.60	2.03	3.70	1,010.00	—	—	—	—	—	—
8	1	21.2%	2.43	1.64	3.15	1,015.00	65.25	72.75	94.95	23.9%	22	0
15	1	20.7%	2.48	1.31	2.41	1,020.00	69.95	77.50	102.55	24.6%	2	0
8	5	22.2%	1.81	1.10	2.64	1,025.00	—	—	—	—	—	—
18	1	21.2%	1.67	0.89	1.82	1,030.00	—	—	—	—	—	—
—	—	—	—	—	—	1,040.00	89.10	97.05	125.85	28.0%	2	0
30	4	31.6%	0.89	0.01	5.35	1,045.00	—	—	—	—	—	—
74	2	31.5%	0.88	0.00	4.75	1,050.00	—	—	—	—	—	—
6	3	39.8%	0.88	0.01	9.00	1,055.00	—	—	—	—	—	—
212	10	24.3%	0.63	0.00	1.20	1,060.00	—	—	—	—	—	—
10	10	34.8%	0.59	0.00	4.90	1,065.00	—	—	—	—	—	—
4	—	35.8%	0.46	0.00	4.90	1,070.00	—	—	—	—	—	—
3	2	36.7%	0.40	0.00	4.85	1,075.00	—	—	—	—	—	—
12	10	25.4%	0.40	0.01	0.76	1,080.00	—	—	—	—	—	—
5	5	38.6%	0.66	0.00	4.90	1,085.00	—	—	—	—	—	—
10	15	39.6%	0.35	0.00	4.90	1,090.00	—	—	—	—	—	—
27	2	41.4%	0.24	0.00	4.90	1,100.00	148.95	157.00	177.75	39.2%	—	0
1	—	43.2%	0.94	0.00	4.90	1,110.00	—	—	—	—	—	—
1	1	50.2%	2.46	0.00	4.90	1,200.00	—	—	—	—	—	—
1	1	58.3%	0.40	0.00	4.90	1,260.00	—	—	—	—	—	—
2	2	62.0%	0.16	0.00	4.90	1,290.00	—	—	—	—	—	—
3	2	63.3%	0.09	0.00	4.90	1,300.00	—	—	—	—	—	—

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 COST put/call ratio?

For the November 6, 2026 expiration, the COST put/call ratio based on open interest is 1.96 (5,574 puts vs 2,847 calls), and 6.24 based on today's volume. A ratio above 1 means more puts than calls.

What is COST's implied volatility?

At-the-money implied volatility for COST options expiring November 6, 2026 is about 20.7%, an annualized estimate of how much the market expects Costco Wholesale stock to move.

How many COST option expiration dates are there?

COST 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.