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: Jan 21, 2028
Days to expiration: 468
Share price: $397.28
Put/call ratio (OI): 2.65
Put/call ratio (volume): 1.20
ATM implied volatility: 60.7%
Expected move: ±$273.02
Open interest (C / P): 14.89K / 39.53K

WDC options summary

The WDC options chain for the January 21, 2028 expiration lists 119 call and 106 put contracts, with 468 days until expiration. Open interest stands at 14,891 calls and 39,529 puts, a put/call ratio of 2.65, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $400.00 strike is 60.7%, which implies the market expects a move of about ±$273.02 (68.7%) in Western Digital stock by expiration.

The most open interest sits at the $105.00 call (707 contracts) and the $65.00 put (7.37K contracts).

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

WDC options chain · January 21, 2028

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
67	8	109.2%	355.80	336.00	356.00	55.00	0.15	0.55	0.45	73.8%	10	372
89	1	109.9%	385.57	332.00	352.00	60.00	0.35	2.00	0.35	83.9%	2	5,254
3	1	248.7%	563.77	365.80	384.00	65.00	0.40	3.25	2.49	86.5%	12	7,368
19	2	105.4%	403.00	324.00	342.00	70.00	0.00	0.00	2.27	25.0%	1	0
7	1	95.2%	376.16	318.00	335.45	75.00	0.00	2.29	0.73	73.6%	2	1,440
39	1	412.9%	385.00	384.00	404.00	80.00	0.65	3.20	0.99	77.3%	1	385
21	1	—	357.24	448.00	458.00	85.00	0.02	5.60	1.57	80.0%	20	5,188
22	5	199.5%	460.31	344.00	364.00	90.00	0.04	2.79	1.22	68.0%	1	208
2	2	93.8%	369.93	302.00	322.00	92.50	0.14	6.25	2.71	77.7%	52	108
57	3	190.6%	431.10	340.00	358.00	95.00	0.01	4.15	1.61	70.2%	2	100
8	2	85.2%	313.58	298.00	312.95	97.50	0.62	6.40	2.10	76.4%	1	173
133	1	90.5%	299.10	296.00	314.00	100.00	0.00	2.72	1.81	62.9%	2	531
707	2	87.4%	366.04	292.00	308.00	105.00	0.29	6.60	1.96	72.3%	5	368
122	5	86.8%	362.29	288.00	303.65	110.00	1.41	3.50	2.34	65.3%	3	40
22	1	84.5%	310.07	282.00	300.00	115.00	1.44	3.10	2.58	62.2%	2	562
77	1	84.3%	305.82	278.00	296.00	120.00	1.97	6.60	3.00	68.5%	13	4,189
417	5	79.2%	350.31	274.00	288.00	125.00	2.25	9.35	3.49	71.2%	5	148
176	5	85.3%	273.91	271.60	288.00	130.00	2.53	12.05	5.05	73.1%	1	365
0	5	—	346.70	0.00	0.00	135.00	1.49	7.80	4.45	63.4%	2	630
30	1	79.5%	334.75	262.00	276.95	140.00	3.95	7.95	4.71	65.2%	7	445
19	1	80.1%	334.19	258.00	274.00	145.00	4.40	7.90	5.20	63.8%	6	285
63	2	76.6%	331.00	254.00	266.80	150.00	3.70	9.90	7.40	63.5%	1	531
67	2	77.2%	333.47	251.25	262.75	155.00	5.50	9.20	7.84	62.8%	2	235
58	1	76.7%	323.90	244.00	262.00	160.00	6.40	12.40	7.22	65.3%	2	578
33	6	77.6%	262.30	242.00	258.00	165.00	2.65	14.20	12.60	61.4%	1	56
47	8	76.1%	318.00	238.00	252.85	170.00	3.45	10.15	10.35	56.2%	83	135
360	13	75.1%	256.40	234.00	248.45	175.00	7.85	10.80	12.24	59.6%	2	68
175	4	73.3%	285.90	230.00	243.00	180.00	5.05	13.45	11.40	57.7%	1	70
64	2	76.0%	302.65	226.00	244.00	185.00	8.45	16.55	11.40	61.4%	1	74
98	1	73.7%	299.89	224.55	235.10	190.00	11.35	13.55	11.98	59.6%	21	41
19	2	73.6%	294.57	220.90	231.90	195.00	12.10	14.65	15.50	59.2%	2	142
410	6	72.7%	219.05	216.60	228.00	200.00	13.70	15.60	14.37	59.3%	5	427
43	1	71.8%	220.25	210.15	219.90	210.00	15.20	19.00	17.82	59.2%	9	161
189	3	71.8%	241.70	203.20	214.20	220.00	18.15	20.30	19.50	58.4%	1	275
384	5	70.9%	199.00	196.50	206.70	230.00	20.20	24.05	22.16	58.3%	1	297
228	2	70.2%	188.00	190.05	199.70	240.00	22.00	27.85	26.20	57.9%	7	256
403	1	69.6%	190.00	183.75	193.00	250.00	26.00	30.85	28.10	57.9%	11	252
56	1	69.9%	187.40	177.50	188.55	260.00	22.00	33.90	31.60	54.2%	31	42
216	16	69.6%	185.20	172.15	182.30	270.00	32.85	39.60	35.92	58.2%	16	934
82	2	69.7%	169.65	167.35	176.90	280.00	37.25	41.10	38.00	57.3%	23	540
61	3	68.5%	164.00	158.00	172.90	290.00	38.55	48.35	42.10	57.3%	6	125
138	12	69.2%	161.34	156.00	166.80	300.00	43.05	49.90	46.25	56.2%	25	750
26	1	68.1%	154.00	150.00	160.15	310.00	47.80	54.90	51.18	56.4%	2	45
221	1	68.2%	150.00	145.00	156.20	320.00	51.75	62.90	55.75	57.2%	2	302
220	2	68.9%	143.95	141.50	152.75	330.00	57.80	62.90	62.71	55.8%	3	134
50	1	67.5%	142.00	135.55	145.90	340.00	61.40	70.95	67.50	56.3%	2	217
125	2	67.3%	138.00	128.65	143.45	350.00	67.05	78.55	72.10	57.0%	3	618
85	3	67.4%	132.70	127.90	136.65	360.00	67.00	81.00	78.00	54.3%	2	373
76	14	66.8%	127.00	124.05	130.70	370.00	78.05	86.25	81.20	55.8%	17	85
240	15	66.9%	122.50	121.00	126.35	380.00	84.65	91.45	87.90	55.8%	1	94
85	4	68.0%	121.43	116.20	127.50	390.00	91.20	94.80	92.74	55.2%	43	184
WDC $397.28
376	65	66.9%	116.06	114.00	118.80	400.00	92.15	103.95	99.25	54.5%	4	827
110	2	67.2%	111.39	109.75	117.10	410.00	102.35	108.35	105.90	55.1%	1	53
303	43	68.8%	117.63	105.95	120.00	420.00	107.25	120.00	111.65	56.1%	9	103
102	1	66.9%	107.06	102.65	110.30	430.00	108.00	121.60	118.97	53.0%	1	74
118	2	66.6%	102.65	99.60	106.20	440.00	120.25	128.20	126.47	54.5%	1	116
225	8	66.5%	102.15	96.50	102.95	450.00	120.00	140.00	132.28	53.9%	1	55
49	1	66.9%	101.83	93.65	101.50	460.00	133.50	140.55	141.26	53.9%	2	126
323	2	67.1%	97.08	91.10	99.15	470.00	140.70	147.25	143.00	53.8%	1	572
274	1	66.6%	93.55	86.05	97.05	480.00	140.00	160.00	142.60	53.1%	1	40
36	2	67.2%	124.00	80.00	100.00	490.00	148.00	162.90	151.65	52.0%	2	42
215	3	66.4%	87.34	83.10	89.05	500.00	161.75	168.90	170.00	53.4%	1	71
31	2	68.5%	92.79	80.80	94.00	510.00	170.10	176.00	174.50	53.5%	2	90
65	2	67.1%	82.03	78.30	86.85	520.00	177.30	183.65	181.79	53.3%	1	305
97	2	65.8%	88.62	70.00	85.65	530.00	178.00	194.00	178.00	52.0%	2	36
128	2	66.7%	77.59	73.85	80.80	540.00	184.00	199.60	180.80	50.9%	1	60
298	9	65.8%	72.50	68.85	78.25	550.00	198.85	207.55	192.01	52.8%	5	323
26	1	68.2%	82.15	69.60	82.00	560.00	205.80	214.40	210.70	52.2%	4	33
62	2	64.9%	73.91	62.00	73.80	570.00	212.50	223.00	204.83	51.9%	2	12
50	2	66.9%	65.45	65.90	73.20	580.00	216.00	234.00	225.02	51.3%	3	7
380	2	66.4%	67.40	64.00	69.65	590.00	0.00	0.00	268.05	—	76	0
230	12	65.2%	67.40	56.70	68.85	600.00	236.90	246.60	237.41	51.4%	1	50
24	16	67.1%	68.93	60.55	68.30	610.00	247.50	256.35	254.45	52.4%	3	15
76	2	64.9%	59.70	52.00	65.90	620.00	250.85	262.95	244.00	50.2%	1	43
379	3	65.8%	74.00	52.45	65.15	630.00	261.30	271.25	260.55	50.7%	2	1
34	2	66.8%	58.95	50.00	68.00	640.00	271.20	279.65	259.60	51.0%	50	51
300	5	66.5%	57.42	48.00	66.00	650.00	279.40	288.05	267.10	50.8%	50	52
58	62	66.5%	54.85	52.85	58.15	660.00	282.00	300.00	271.90	55.6%	4	2
32	12	65.7%	54.85	44.00	61.20	670.00	294.20	309.60	292.60	51.2%	2	2
115	12	66.4%	53.50	45.65	59.20	680.00	0.00	0.00	325.70	—	10	0
26	6	67.2%	52.20	45.15	59.75	690.00	312.10	322.25	307.35	53.0%	4	3
509	1	65.2%	49.92	40.95	54.50	700.00	320.90	334.25	322.50	50.5%	2	7
61	13	66.6%	48.25	43.85	53.80	710.00	324.00	344.00	306.75	55.6%	4	6
100	12	66.8%	48.50	38.00	57.80	720.00	334.00	352.00	324.93	55.0%	2	5
28	22	64.5%	46.50	36.00	49.80	730.00	345.25	357.55	333.35	52.5%	—	3
145	3	66.9%	58.00	36.00	55.45	740.00	352.00	370.00	354.73	55.0%	3	1
93	1	66.6%	43.15	41.00	47.30	750.00	365.65	376.70	358.39	53.2%	2	51
34	2	68.0%	42.79	38.65	52.00	760.00	345.75	359.00	358.85	—	2	7
29	1	66.6%	72.10	32.00	52.00	770.00	384.25	395.85	374.39	53.9%	2	1
43	2	65.2%	39.90	32.05	45.50	780.00	389.50	402.50	391.09	51.9%	2	0
35	2	67.0%	45.00	36.50	44.40	790.00	—	—	—	—	—	—
73	2	66.6%	48.00	35.00	42.85	800.00	409.50	420.30	410.75	51.3%	1	14
27	2	66.6%	53.36	34.45	41.55	810.00	—	—	—	—	—	—
28	6	67.2%	74.35	34.15	41.75	820.00	—	—	—	—	—	—
16	10	65.0%	51.85	28.00	39.60	830.00	0.00	0.00	422.98	—	2	0
22	2	67.9%	50.65	29.60	44.85	840.00	—	—	—	—	—	—
45	1	66.9%	35.25	26.00	43.80	850.00	446.00	463.45	437.95	47.5%	—	8
14	6	66.1%	69.61	25.35	40.40	860.00	464.00	476.55	460.60	51.1%	2	3
17	8	67.3%	65.89	24.00	43.55	870.00	—	—	—	—	—	—
24	2	65.9%	30.75	24.00	38.05	880.00	—	—	—	—	—	—
132	2	67.0%	52.20	26.55	37.05	890.00	—	—	—	—	—	—
81	2	67.3%	31.50	29.00	34.20	900.00	—	—	—	—	—	—
3	2	65.8%	66.70	22.20	35.30	910.00	0.00	0.00	457.44	—	—	0
10	2	66.3%	55.72	22.30	35.25	920.00	518.00	535.90	496.27	53.3%	2	17
11	18	66.4%	57.50	23.65	32.90	930.00	530.00	543.00	505.39	50.7%	—	18
38	2	66.9%	56.30	24.05	32.45	940.00	540.00	552.25	542.08	50.3%	1	2
139	1	67.1%	32.20	23.05	32.80	950.00	—	—	—	—	—	—
19	2	65.7%	38.25	18.00	32.75	960.00	562.10	573.30	553.38	52.3%	3	3
8	6	66.9%	50.25	18.00	34.70	970.00	526.00	546.00	476.50	—	1	1
83	2	67.0%	42.40	21.55	30.35	980.00	562.00	580.00	544.05	—	1	2
450	1	67.0%	25.00	19.85	29.60	1,000.00	553.20	567.30	562.92	—	—	2
25	4	67.3%	24.60	21.65	26.40	1,020.00	—	—	—	—	—	—
54	1	64.7%	23.93	14.00	25.85	1,040.00	589.50	601.90	594.10	—	—	1
273	2	64.8%	28.45	12.00	26.30	1,060.00	—	—	—	—	—	—
125	2	66.2%	33.10	12.00	27.65	1,080.00	—	—	—	—	—	—
231	2	69.2%	35.10	19.40	25.65	1,100.00	674.00	690.00	643.75	—	—	2
209	2	68.2%	23.25	16.60	24.15	1,120.00	714.00	732.00	700.21	56.8%	2	11
187	1	68.0%	26.80	15.40	23.45	1,140.00	—	—	—	—	—	—
569	4	69.3%	18.87	17.50	22.55	1,160.00	758.00	771.95	726.95	58.1%	2	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 WDC put/call ratio?

For the January 21, 2028 expiration, the WDC put/call ratio based on open interest is 2.65 (39,529 puts vs 14,891 calls), and 1.20 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 January 21, 2028 is about 60.7%, 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.