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: Jan 21, 2028
Days to expiration: 468
Share price: $946.92
Put/call ratio (OI): 0.76
Put/call ratio (volume): 1.63
ATM implied volatility: 24.6%
Expected move: ±$264.20
Open interest (C / P): 9.99K / 7.60K

COST options summary

The COST options chain for the January 21, 2028 expiration lists 79 call and 66 put contracts, with 468 days until expiration. Open interest stands at 9,995 calls and 7,603 puts, a put/call ratio of 0.76, which is fairly balanced between calls and puts. At-the-money implied volatility near the $950.00 strike is 24.6%, which implies the market expects a move of about ±$264.20 (27.9%) in Costco Wholesale stock by expiration.

The most open interest sits at the $1,300.00 call (925 contracts) and the $900.00 put (684 contracts).

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

COST options chain · January 21, 2028

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
27	2	57.5%	494.38	534.00	544.00	430.00	0.16	1.74	0.59	33.8%	25	115
4	1	57.2%	500.00	526.00	535.00	440.00	0.00	1.87	1.15	33.3%	15	75
13	1	56.2%	490.75	516.00	526.00	450.00	0.25	2.55	1.17	34.0%	2	47
2	1	55.1%	462.50	507.00	516.00	460.00	0.10	2.39	1.29	32.8%	10	49
8	14	54.4%	458.20	498.00	507.00	470.00	0.00	0.00	3.50	12.5%	6	0
1	—	—	497.05	442.00	452.00	480.00	0.00	9.60	1.12	40.8%	1	18
16	1	51.5%	414.41	478.00	486.00	490.00	0.44	2.52	1.93	30.5%	10	19
33	1	52.0%	440.15	470.00	480.00	500.00	0.61	2.55	3.30	29.7%	2	91
12	1	50.4%	404.27	452.00	461.00	520.00	2.57	4.85	3.80	31.6%	1	39
35	1	51.3%	439.82	434.00	443.00	540.00	1.28	6.35	2.80	31.6%	1	57
0	28	—	420.80	0.00	0.00	560.00	0.49	5.00	3.50	28.4%	1	47
16	1	48.2%	355.42	397.00	407.00	580.00	2.50	5.05	3.71	26.8%	1	30
78	5	46.7%	353.05	380.00	389.00	600.00	1.81	4.90	4.35	25.1%	11	159
27	1	45.1%	364.40	362.00	370.90	620.00	4.35	6.25	7.74	24.9%	6	42
0	4	—	384.10	0.00	0.00	640.00	6.30	8.00	8.66	24.7%	1	212
0	1	—	341.33	0.00	0.00	660.00	7.75	9.75	11.75	24.4%	1	61
16	3	41.2%	305.28	310.00	319.00	680.00	9.60	11.70	14.35	24.0%	2	35
70	1	40.0%	296.64	293.00	302.00	700.00	11.65	13.75	12.04	23.5%	31	543
45	1	39.1%	259.23	276.00	286.00	720.00	13.15	16.55	18.09	23.2%	11	90
32	1	37.8%	259.60	260.00	269.00	740.00	16.15	18.10	26.00	22.2%	1	245
35	1	36.7%	248.04	244.20	253.00	760.00	19.80	22.75	22.12	22.4%	2	273
63	2	35.6%	223.95	229.00	237.00	780.00	19.00	29.00	28.00	22.8%	5	31
76	2	34.8%	223.00	214.00	222.00	800.00	27.35	30.40	28.95	21.4%	1	359
15	1	34.4%	202.20	200.00	209.00	820.00	32.05	35.15	35.77	21.1%	2	509
18	1	33.9%	178.00	193.00	201.50	830.00	31.40	39.25	38.38	21.3%	2	56
23	1	33.3%	191.40	186.00	193.85	840.00	36.55	40.55	40.25	20.7%	2	124
67	1	33.0%	182.05	180.90	187.20	850.00	40.00	42.35	43.30	20.2%	6	344
68	1	32.5%	156.96	174.05	180.00	860.00	41.55	45.15	44.60	20.0%	1	312
36	6	32.5%	162.52	167.90	174.65	870.00	46.25	48.60	48.80	19.9%	1	235
54	2	31.9%	141.50	162.20	167.10	880.00	46.00	56.00	51.90	20.7%	1	178
79	1	31.6%	144.00	155.65	160.95	890.00	53.05	59.00	55.40	20.4%	3	454
241	2	31.4%	151.69	149.30	155.35	900.00	55.80	60.30	60.15	19.6%	3	684
161	2	31.4%	130.00	142.90	150.40	910.00	57.00	67.00	62.60	20.1%	8	146
104	17	31.1%	145.20	137.30	144.45	920.00	64.70	67.60	67.20	19.1%	1	75
41	2	30.6%	137.00	131.65	137.90	930.00	68.15	71.85	75.50	18.9%	4	107
96	4	30.6%	134.90	127.25	133.25	940.00	70.00	77.60	81.25	19.0%	4	153
COST $946.92
218	1	30.6%	125.65	120.00	129.30	950.00	77.80	81.30	79.25	18.6%	7	222
68	2	30.1%	118.65	116.95	122.70	960.00	82.55	86.55	97.00	18.6%	1	42
103	2	29.9%	116.38	110.00	118.00	970.00	86.70	91.60	101.90	18.4%	3	118
104	1	29.6%	92.35	107.45	112.65	980.00	92.20	96.65	120.35	18.2%	5	82
131	1	29.5%	106.95	103.10	108.05	990.00	97.90	102.05	109.30	18.0%	31	66
414	6	29.3%	100.75	98.70	103.80	1,000.00	102.70	109.35	105.50	18.2%	1	644
51	2	29.0%	81.35	95.15	98.65	1,010.00	108.90	113.80	125.57	17.7%	6	53
294	6	29.1%	80.04	90.40	95.45	1,020.00	114.20	120.50	149.00	17.7%	6	51
48	5	29.3%	82.78	85.70	92.95	1,030.00	120.20	128.00	139.30	17.9%	3	35
127	1	28.7%	72.15	82.20	87.10	1,040.00	125.00	132.20	140.30	17.2%	31	32
108	3	28.6%	68.85	77.00	83.40	1,050.00	131.00	139.15	152.57	17.1%	6	57
121	1	28.4%	77.75	74.95	79.35	1,060.00	141.25	145.15	159.76	16.7%	2	68
3	1	28.4%	73.00	69.00	76.45	1,070.00	147.00	152.85	150.85	16.7%	3	4
217	5	28.2%	70.00	67.70	73.00	1,080.00	153.50	159.80	174.24	16.5%	2	14
101	1	28.1%	66.50	63.00	69.45	1,090.00	—	—	—	—	—	—
139	1	28.4%	62.40	62.55	68.20	1,100.00	166.00	175.80	211.97	16.5%	2	65
10	2	27.8%	55.10	58.90	63.25	1,110.00	—	—	—	—	—	—
268	1	27.6%	58.35	56.80	59.80	1,120.00	182.95	189.90	224.68	15.7%	16	11
8	—	28.5%	46.95	51.00	61.00	1,130.00	—	—	—	—	—	—
212	2	28.0%	54.95	49.00	56.55	1,140.00	0.00	0.00	180.09	—	50	0
29	1	27.5%	50.30	46.00	52.65	1,150.00	—	—	—	—	—	—
52	1	27.4%	49.19	46.75	49.85	1,160.00	—	—	—	—	—	—
190	5	27.4%	44.85	40.60	45.95	1,180.00	222.75	229.00	247.02	—	2	20
53	—	27.2%	34.55	38.05	43.40	1,190.00	—	—	—	—	—	—
608	1	27.1%	41.58	38.90	41.00	1,200.00	250.00	260.00	306.58	15.2%	2	4
234	1	27.0%	36.00	35.00	37.30	1,220.00	269.00	279.00	277.82	15.4%	2	0
178	3	28.1%	32.65	31.70	38.00	1,240.00	—	—	—	—	—	—
84	2	27.1%	26.00	27.50	31.70	1,260.00	334.00	341.00	285.01	25.9%	2	1
138	1	27.2%	23.07	24.75	29.40	1,280.00	328.00	338.00	377.78	16.8%	—	0
4	—	27.4%	22.73	23.65	28.70	1,290.00	—	—	—	—	—	—
925	7	26.6%	25.00	23.50	25.10	1,300.00	348.00	358.00	402.73	17.5%	2	0
135	6	27.4%	21.68	19.80	25.10	1,320.00	368.00	378.00	373.16	18.1%	—	0
493	1	27.4%	20.80	17.95	23.05	1,340.00	410.00	420.00	383.92	28.9%	—	0
167	2	27.4%	18.35	16.65	21.15	1,360.00	—	—	—	—	—	—
277	4	27.4%	15.62	14.85	19.25	1,380.00	—	—	—	—	—	—
151	2	26.7%	13.60	13.65	16.05	1,400.00	423.00	433.00	452.09	—	2	0
348	2	27.4%	12.40	12.05	16.20	1,420.00	478.00	488.00	546.91	26.9%	30	0
87	6	26.9%	13.50	11.65	13.65	1,440.00	—	—	—	—	—	—
90	3	26.9%	10.25	10.25	12.40	1,460.00	530.00	540.00	474.29	33.2%	—	0
67	34	27.4%	16.00	9.15	12.30	1,480.00	—	—	—	—	—	—
213	6	27.3%	8.40	8.30	11.05	1,500.00	548.00	558.00	602.59	23.3%	2	0
365	6	27.1%	9.04	7.80	9.70	1,520.00	—	—	—	—	—	—
750	10	27.0%	8.40	7.35	8.70	1,540.00	588.00	598.00	640.00	24.3%	24	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 COST put/call ratio?

For the January 21, 2028 expiration, the COST put/call ratio based on open interest is 0.76 (7,603 puts vs 9,995 calls), and 1.63 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 January 21, 2028 is about 24.6%, 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.