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: Sep 17, 2027
Days to expiration: 341
Share price: $946.92
Put/call ratio (OI): 1.05
Put/call ratio (volume): 1.31
ATM implied volatility: 24.0%
Expected move: ±$220.12
Open interest (C / P): 2.52K / 2.65K

COST options summary

The COST options chain for the September 17, 2027 expiration lists 46 call and 34 put contracts, with 341 days until expiration. Open interest stands at 2,518 calls and 2,655 puts, a put/call ratio of 1.05, which is fairly balanced between calls and puts. At-the-money implied volatility near the $940.00 strike is 24.0%, which implies the market expects a move of about ±$220.12 (23.2%) in Costco Wholesale stock by expiration.

The most open interest sits at the $1,000.00 call (411 contracts) and the $940.00 put (373 contracts).

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

COST options chain · September 17, 2027

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
4	2	50.3%	376.28	386.00	396.00	580.00	1.00	4.60	2.09	30.8%	10	84
—	—	—	—	—	—	600.00	1.50	4.40	2.89	28.8%	1	10
2	1	46.1%	304.45	349.00	357.85	620.00	0.13	6.85	3.75	29.7%	1	13
—	—	—	—	—	—	640.00	1.42	7.20	5.25	28.2%	5	34
—	—	—	—	—	—	660.00	2.80	5.75	5.75	25.1%	4	18
—	—	—	—	—	—	680.00	5.40	7.20	7.05	24.7%	3	99
12	1	40.1%	259.00	277.00	286.00	700.00	6.25	8.90	8.75	24.3%	3	252
0	1	38.5%	242.03	260.00	268.05	720.00	8.80	9.55	9.30	22.9%	3	24
2	1	37.3%	206.10	242.00	251.00	740.00	10.65	12.45	11.30	22.9%	91	103
10	1	36.4%	211.00	225.95	234.90	760.00	12.95	14.95	14.65	22.4%	2	40
5	1	35.0%	207.00	209.00	218.00	780.00	15.70	18.40	16.80	22.2%	3	117
12	3	34.3%	197.90	194.00	203.00	800.00	19.05	21.30	20.30	21.5%	1	59
18	3	32.7%	162.50	178.00	185.90	820.00	23.25	25.00	27.15	20.9%	38	71
15	5	32.5%	158.35	164.00	172.95	840.00	26.75	32.50	29.40	21.5%	20	99
28	2	30.9%	156.00	150.50	156.25	860.00	30.95	36.10	35.85	20.5%	1	162
23	4	30.6%	143.00	137.10	144.40	880.00	37.30	42.95	40.45	20.3%	1	134
145	1	30.2%	131.00	125.25	132.55	900.00	45.55	49.00	48.85	19.7%	5	347
104	25	29.3%	119.25	113.00	119.40	920.00	54.10	58.80	58.40	19.9%	1	243
38	2	28.9%	107.00	103.60	108.50	940.00	61.30	66.40	65.80	19.2%	1	373
COST $946.92
30	2	28.6%	94.45	92.60	98.40	960.00	73.00	75.70	74.95	18.8%	3	245
129	1	28.0%	84.71	83.65	88.30	980.00	83.55	87.55	84.50	18.8%	2	72
411	1	27.4%	77.50	74.20	78.50	1,000.00	93.40	98.65	97.25	18.4%	2	14
402	4	28.0%	71.60	66.50	73.35	1,020.00	105.20	110.20	107.75	17.8%	1	4
160	6	26.9%	62.24	60.10	62.95	1,040.00	119.45	124.05	137.10	17.7%	2	4
123	16	27.4%	50.05	55.75	61.65	1,050.00	123.85	132.00	143.55	17.8%	9	7
29	4	27.0%	45.15	52.15	57.30	1,060.00	131.30	139.50	154.30	17.8%	2	12
18	—	27.0%	42.85	48.20	54.50	1,070.00	138.75	144.75	166.78	16.9%	—	1
52	3	26.7%	48.95	47.50	50.85	1,080.00	—	—	—	—	—	—
110	2	26.2%	43.30	42.10	44.25	1,100.00	162.75	169.00	172.81	16.8%	2	2
126	1	26.1%	34.00	36.95	39.35	1,120.00	177.80	184.75	227.49	16.2%	2	12
4	1	26.0%	35.00	34.45	36.80	1,130.00	—	—	—	—	—	—
16	2	25.9%	33.25	32.60	34.60	1,140.00	—	—	—	—	—	—
1	—	25.8%	25.32	29.70	32.45	1,150.00	—	—	—	—	—	—
42	3	26.0%	23.80	27.90	31.20	1,160.00	—	—	—	—	—	—
41	40	25.9%	27.10	24.50	27.65	1,180.00	—	—	—	—	—	—
43	1	26.0%	24.60	20.80	24.95	1,200.00	249.00	258.00	309.83	16.4%	8	0
16	7	26.0%	17.28	19.25	22.20	1,220.00	268.00	278.00	274.58	17.2%	—	0
31	2	26.3%	15.77	16.25	20.45	1,240.00	—	—	—	—	—	—
7	—	26.5%	15.40	14.90	19.75	1,250.00	—	—	—	—	—	—
4	1	26.5%	13.80	14.25	18.65	1,260.00	—	—	—	—	—	—
5	2	26.0%	12.77	12.80	15.55	1,280.00	328.00	338.00	360.70	19.6%	1	0
94	10	26.5%	11.60	8.25	14.75	1,300.00	348.00	358.00	354.36	20.4%	2	0
6	2	25.9%	12.65	9.90	11.95	1,320.00	368.00	378.00	373.21	21.2%	—	0
5	2	26.9%	10.96	8.60	12.35	1,340.00	—	—	—	—	—	—
1	—	26.3%	9.05	7.60	10.65	1,350.00	—	—	—	—	—	—
18	1	26.3%	7.40	6.50	10.05	1,360.00	—	—	—	—	—	—
19	2	26.2%	8.95	6.70	8.75	1,380.00	—	—	—	—	—	—
24	4	26.9%	7.00	6.00	8.70	1,400.00	—	—	—	—	—	—
21	2	26.3%	6.20	5.50	6.95	1,420.00	—	—	—	—	—	—
112	1	27.1%	5.15	4.80	7.10	1,440.00	—	—	—	—	—	—

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 September 17, 2027 expiration, the COST put/call ratio based on open interest is 1.05 (2,655 puts vs 2,518 calls), and 1.31 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 September 17, 2027 is about 24.0%, 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.