Western Digital (WDC) Options Chain

NASDAQ: WDCTechnologyElectronic ComponentsUSD

397.28+3.97 (+1.01%)

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

Expiration date

Expiration: Sep 17, 2027
Days to expiration: 341
Share price: $397.28
Put/call ratio (OI): 1.44
Put/call ratio (volume): 1.40
ATM implied volatility: 61.1%
Expected move: ±$234.81
Open interest (C / P): 2.21K / 3.18K

WDC options summary

The WDC options chain for the September 17, 2027 expiration lists 53 call and 50 put contracts, with 341 days until expiration. Open interest stands at 2,212 calls and 3,183 puts, a put/call ratio of 1.44, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $400.00 strike is 61.1%, which implies the market expects a move of about ±$234.81 (59.1%) in Western Digital stock by expiration.

The most open interest sits at the $680.00 call (280 contracts) and the $330.00 put (432 contracts).

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

WDC options chain · September 17, 2027

WDC 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
—	—	—	—	—	—	220.00	10.85	14.25	13.75	58.6%	13	53
6	3	71.5%	192.45	185.80	198.30	230.00	13.05	16.65	15.40	58.5%	36	198
1	—	69.0%	244.49	177.70	188.80	240.00	15.35	19.70	17.75	58.6%	25	29
3	2	68.5%	198.45	170.65	182.00	250.00	17.90	22.60	20.55	58.5%	28	269
2	1	70.2%	167.94	163.75	179.55	260.00	21.15	26.35	23.55	58.9%	44	88
—	—	—	—	—	—	270.00	25.55	28.20	26.10	58.7%	27	48
—	—	—	—	—	—	280.00	24.75	31.75	30.20	56.5%	10	247
—	—	—	—	—	—	290.00	29.80	35.75	32.80	57.3%	17	63
23	5	68.4%	145.43	138.75	154.70	300.00	35.35	40.20	37.20	58.2%	22	134
6	2	66.5%	138.35	134.10	144.25	310.00	39.05	45.25	42.17	58.3%	5	104
3	4	66.9%	132.72	127.65	141.55	320.00	43.15	49.40	45.85	58.0%	4	143
50	2	65.6%	127.77	122.35	133.60	330.00	48.25	54.20	51.00	58.2%	1	432
10	1	66.6%	122.94	117.30	131.50	340.00	52.30	57.50	54.90	57.3%	48	119
19	10	66.9%	120.00	115.75	124.75	350.00	57.35	62.95	60.50	57.4%	100	81
15	4	67.1%	114.55	110.30	122.05	360.00	62.05	67.10	65.75	56.8%	1	12
77	10	66.1%	110.40	106.70	114.40	370.00	68.00	73.75	72.00	57.3%	9	255
50	5	66.5%	103.00	102.00	112.00	380.00	73.20	78.70	77.25	56.9%	10	46
27	2	66.0%	104.00	99.25	105.45	390.00	74.20	85.70	81.15	55.6%	7	37
WDC $397.28
121	5	66.1%	96.60	94.55	102.85	400.00	84.60	89.00	88.15	56.2%	1	178
95	1	66.2%	96.50	92.15	98.25	410.00	88.10	95.65	93.00	55.4%	2	63
48	6	65.8%	91.37	87.65	94.55	420.00	95.85	101.50	100.55	55.7%	2	28
12	11	65.3%	87.87	80.00	94.20	430.00	103.10	107.50	105.25	55.8%	7	61
54	1	65.8%	82.56	81.40	87.60	440.00	106.45	116.45	114.50	55.4%	5	45
224	75	64.5%	81.05	73.60	85.40	450.00	111.85	125.60	117.58	55.7%	2	28
23	3	65.8%	91.00	75.00	81.80	460.00	118.75	129.60	125.60	54.7%	9	41
32	7	65.9%	82.45	71.95	79.50	470.00	128.95	136.65	122.10	55.7%	3	14
14	3	66.6%	70.20	69.70	78.50	480.00	136.20	143.50	138.70	55.6%	4	137
11	1	65.3%	75.70	66.40	72.70	490.00	137.35	150.65	131.85	53.4%	1	22
113	1	65.8%	67.35	64.25	71.05	500.00	149.95	158.40	149.54	55.2%	48	81
117	1	66.2%	80.60	61.40	70.25	510.00	157.40	163.55	155.11	54.3%	2	6
15	1	64.5%	62.50	54.55	67.45	520.00	162.95	171.40	153.80	53.6%	5	6
19	2	65.5%	67.51	57.45	63.10	530.00	170.15	180.30	157.58	53.7%	33	40
14	2	66.1%	57.80	55.25	62.70	540.00	174.65	188.00	197.02	52.4%	2	1
20	1	65.4%	70.15	53.10	58.60	550.00	188.45	194.10	173.60	53.7%	4	5
4	1	64.5%	80.65	45.90	59.05	560.00	190.30	206.05	197.85	52.8%	2	4
10	12	64.4%	78.60	43.50	57.40	570.00	201.85	211.30	190.15	52.9%	4	2
6	2	65.8%	49.00	47.25	54.25	580.00	209.80	222.10	195.32	53.6%	2	2
50	49	66.0%	58.39	45.80	52.75	590.00	220.50	227.35	231.16	53.3%	2	21
79	6	65.3%	45.73	44.15	48.70	600.00	227.65	235.75	212.01	52.8%	4	12
21	1	64.9%	54.57	40.10	48.50	610.00	235.05	246.60	217.33	53.2%	6	2
3	2	65.3%	72.16	35.30	51.20	620.00	243.65	252.45	240.49	52.0%	2	13
41	2	64.8%	40.10	35.20	46.85	630.00	251.85	260.55	235.96	51.5%	3	1
15	7	65.4%	57.12	37.65	43.30	640.00	258.00	272.15	272.91	51.6%	2	1
19	8	65.0%	38.20	32.65	44.25	650.00	268.25	280.85	270.41	52.1%	2	1
13	1	64.2%	37.52	31.50	40.65	660.00	276.70	288.20	278.78	51.2%	2	3
32	8	64.8%	41.92	30.35	40.85	670.00	0.00	0.00	277.53	—	2	0
280	4	65.3%	34.95	29.60	40.40	680.00	295.90	305.55	275.00	51.4%	—	4
7	3	65.3%	39.07	27.50	40.25	690.00	300.45	315.40	278.21	56.4%	—	1
48	2	64.3%	33.00	29.10	33.75	700.00	314.25	323.05	297.54	51.1%	—	1
11	5	63.0%	36.92	23.75	33.75	710.00	—	—	—	—	—	—
5	5	63.8%	32.05	25.70	31.60	720.00	—	—	—	—	—	—
51	1	63.7%	29.55	24.40	30.70	730.00	—	—	—	—	—	—
8	8	65.0%	34.15	26.05	30.40	740.00	—	—	—	—	—	—
21	5	64.7%	27.63	24.30	29.35	750.00	—	—	—	—	—	—
31	3	64.4%	26.80	23.00	28.15	760.00	—	—	—	—	—	—
56	19	64.5%	25.70	22.55	27.10	770.00	—	—	—	—	—	—
177	88	65.5%	25.70	23.95	26.25	780.00	386.55	396.25	393.80	54.4%	8	1

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 WDC put/call ratio?

For the September 17, 2027 expiration, the WDC put/call ratio based on open interest is 1.44 (3,183 puts vs 2,212 calls), and 1.40 based on today's volume. A ratio above 1 means more puts than calls.

What is WDC's implied volatility?

At-the-money implied volatility for WDC options expiring September 17, 2027 is about 61.1%, an annualized estimate of how much the market expects Western Digital stock to move.

How many WDC option expiration dates are there?

WDC has 16 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.