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: Mar 19, 2027
Days to expiration: 159
Share price: $946.92
Put/call ratio (OI): 1.37
Put/call ratio (volume): 1.94
ATM implied volatility: 23.1%
Expected move: ±$144.59
Open interest (C / P): 5.66K / 7.74K

COST options summary

The COST options chain for the March 19, 2027 expiration lists 71 call and 52 put contracts, with 159 days until expiration. Open interest stands at 5,661 calls and 7,741 puts, a put/call ratio of 1.37, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $950.00 strike is 23.1%, which implies the market expects a move of about ±$144.59 (15.3%) in Costco Wholesale stock by expiration.

The most open interest sits at the $1,540.00 call (644 contracts) and the $920.00 put (585 contracts).

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

COST options chain · March 19, 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	1	98.6%	503.92	465.20	474.00	520.00	0.00	1.30	0.36	43.3%	50	86
—	—	—	—	—	—	540.00	0.05	1.42	0.26	41.4%	12	39
1	—	56.3%	397.19	392.50	400.40	560.00	0.00	1.48	0.98	39.3%	12	15
4	3	81.3%	358.85	401.40	408.60	580.00	0.00	1.34	1.28	36.4%	1	7
10	2	51.5%	307.80	353.65	361.40	600.00	0.00	1.64	1.20	35.2%	4	11
28	10	54.2%	293.85	334.00	342.65	620.00	0.00	1.61	0.84	32.9%	2	61
1	—	77.9%	386.01	353.45	361.35	640.00	0.01	1.67	0.88	30.9%	2	28
0	3	74.9%	367.80	335.05	342.95	660.00	0.13	1.83	1.13	29.3%	4	100
1	1	46.1%	255.20	276.25	284.00	680.00	0.61	2.15	1.54	28.0%	3	37
10	4	42.8%	227.43	258.25	263.55	700.00	1.43	2.45	1.90	26.6%	201	298
1	—	59.0%	273.93	268.55	275.85	720.00	1.69	3.25	2.71	25.9%	1	491
2	1	38.6%	225.43	219.40	225.80	740.00	2.56	3.90	3.40	24.7%	10	121
9	2	36.7%	175.09	200.85	207.25	760.00	3.80	5.25	4.90	24.2%	1	218
9	2	35.4%	151.20	182.75	189.80	780.00	5.35	6.30	5.90	23.1%	2	276
24	2	34.2%	171.05	165.15	172.75	800.00	7.40	8.30	7.90	22.5%	2	550
22	1	32.8%	147.10	147.95	155.75	820.00	8.35	12.15	10.28	22.9%	2	294
27	1	32.1%	145.50	140.65	147.35	830.00	10.30	14.05	11.75	22.9%	2	257
19	8	31.6%	112.00	132.40	139.65	840.00	12.80	15.80	13.70	22.6%	1	379
97	1	31.0%	127.00	124.10	131.70	850.00	13.45	16.35	16.00	21.5%	6	414
40	3	29.4%	119.00	117.45	121.75	860.00	15.20	17.85	17.95	20.9%	17	300
8	1	29.2%	101.08	108.75	114.80	870.00	18.90	20.30	20.60	20.8%	2	207
19	1	28.6%	103.56	100.75	107.15	880.00	20.30	23.25	22.60	20.7%	1	193
20	1	28.2%	91.00	96.25	100.40	890.00	22.10	25.95	25.13	20.4%	4	399
93	1	27.8%	89.45	88.25	93.65	900.00	24.95	28.85	28.85	20.1%	7	322
68	2	26.6%	84.19	82.05	85.10	910.00	30.95	32.25	32.70	19.9%	1	368
90	9	27.6%	79.53	76.05	81.95	920.00	34.45	37.30	37.00	20.2%	3	585
90	10	26.4%	72.20	70.25	74.05	930.00	36.35	42.40	39.35	20.4%	8	150
94	2	26.7%	69.00	64.50	69.75	940.00	41.45	45.20	43.65	19.6%	5	309
COST $946.92
254	1	26.6%	60.07	58.55	64.80	950.00	46.40	50.65	49.14	19.7%	3	180
81	1	26.4%	59.30	54.55	59.95	960.00	50.45	56.70	54.10	19.9%	1	93
112	5	25.8%	55.07	50.25	54.10	970.00	57.65	61.35	60.41	19.4%	400	422
209	1	25.5%	48.55	45.25	49.50	980.00	63.35	66.35	78.60	18.9%	2	156
281	1	25.2%	42.53	41.45	44.85	990.00	67.95	72.45	87.40	18.8%	2	78
350	12	25.1%	38.00	38.00	41.15	1,000.00	75.70	79.30	75.40	18.8%	1	59
101	4	24.9%	36.50	34.65	37.40	1,010.00	80.25	87.15	99.40	19.2%	4	42
64	4	25.1%	33.05	30.95	34.75	1,020.00	88.55	93.15	111.05	18.6%	10	16
160	2	24.6%	28.40	28.10	30.75	1,030.00	95.30	100.55	115.90	18.5%	2	41
333	4	24.4%	25.75	25.40	27.80	1,040.00	102.10	107.50	127.20	18.0%	6	30
136	18	24.7%	23.19	22.00	25.90	1,050.00	138.00	146.70	112.55	32.6%	2	15
75	5	24.3%	22.65	20.75	22.85	1,060.00	0.00	0.00	89.95	—	1	0
10	1	24.7%	19.25	17.20	21.55	1,070.00	—	—	—	—	—	—
88	2	24.4%	18.55	16.70	18.95	1,080.00	135.00	141.75	181.85	18.4%	2	16
3	—	24.3%	11.29	14.95	16.95	1,090.00	—	—	—	—	—	—
201	3	23.8%	12.39	12.75	14.50	1,100.00	152.05	159.65	179.85	18.5%	2	76
1	—	24.6%	11.08	12.15	14.40	1,110.00	—	—	—	—	—	—
128	9	24.7%	11.48	10.80	13.25	1,120.00	170.10	177.85	188.00	18.4%	1	2
277	3	24.9%	6.75	8.80	11.10	1,140.00	0.00	0.00	142.02	—	1	0
3	2	25.1%	6.85	7.45	10.25	1,150.00	—	—	—	—	—	—
266	1	25.3%	8.07	6.00	9.50	1,160.00	0.00	0.00	120.35	—	—	0
2	—	25.1%	6.50	5.55	8.35	1,170.00	—	—	—	—	—	—
46	2	25.4%	4.65	5.75	7.85	1,180.00	228.35	237.00	276.50	21.6%	40	0
437	131	24.4%	5.00	4.75	5.40	1,200.00	249.00	256.70	299.82	22.4%	2	0
37	5	25.9%	3.50	3.70	5.60	1,220.00	—	—	—	—	—	—
20	3	24.6%	3.50	2.79	3.50	1,240.00	288.95	297.00	311.92	25.2%	—	0
30	3	26.5%	1.84	2.02	4.10	1,260.00	340.45	348.55	309.08	48.6%	—	0
24	1	26.0%	2.50	1.48	3.00	1,280.00	288.90	297.00	249.15	—	—	0
76	1	26.9%	2.44	1.53	2.91	1,300.00	—	—	—	—	—	—
9	3	27.3%	1.86	0.17	2.57	1,320.00	—	—	—	—	—	—
4	6	29.5%	1.59	0.36	3.55	1,330.00	—	—	—	—	—	—
27	2	27.0%	1.73	0.52	1.95	1,340.00	—	—	—	—	—	—
4	—	29.5%	1.30	0.31	2.96	1,350.00	—	—	—	—	—	—
13	28	30.0%	1.12	0.08	2.97	1,360.00	—	—	—	—	—	—
5	—	28.6%	0.98	0.41	2.03	1,370.00	—	—	—	—	—	—
12	28	30.4%	0.90	0.00	2.70	1,380.00	—	—	—	—	—	—
18	2	30.4%	0.80	0.00	2.25	1,400.00	—	—	—	—	—	—
19	1	28.1%	1.09	0.12	1.10	1,420.00	—	—	—	—	—	—
23	1	27.9%	0.94	0.04	0.83	1,440.00	488.95	497.00	511.62	35.5%	—	0
40	4	32.3%	0.41	0.00	1.94	1,460.00	—	—	—	—	—	—
33	4	33.4%	0.36	0.00	2.06	1,480.00	476.00	485.00	483.33	—	—	0
134	6	32.2%	0.43	0.01	1.37	1,500.00	—	—	—	—	—	—
80	10	32.5%	0.54	0.00	1.22	1,520.00	—	—	—	—	—	—
644	46	27.1%	0.22	0.05	0.21	1,540.00	—	—	—	—	—	—

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 March 19, 2027 expiration, the COST put/call ratio based on open interest is 1.37 (7,741 puts vs 5,661 calls), and 1.94 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 March 19, 2027 is about 23.1%, 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.