WDC - Options Database

WDC

WESTERN DIGITAL CORP

$497.92 -4.21%

$485.99 (-2.40%)🌙

as of 07/27 07:17 PM

(7/24 04:10) ◀

Monday, July 27, 2026 (7:17pm)

▶ (7/28 19:17)

◀ 7/27 19:17 ▶

Option Volume

Detail

ℹ

Current (07/27) 25,778

Calls: 12,757 (49%)

Puts: 13,021 (51%)

Prior (07/24) 21,927

Calls: 9,867 (45%)

Puts: 12,060 (55%)

Current vs Prior +17.56%

Calls: +29.29% (Calls)

Puts: +7.97% (Puts)

Prior 7-Day Total 312,664

Calls: 146,725 (47%)

Puts: 165,939 (53%)

Prior 7-Day Average 44,666

Calls: 20,960 (47%)

Puts: 23,705 (53%)

Current vs Prior 7-Day Avg -42.29%

Calls: -39.14%

Puts: -45.07%

Sentiment BEARISH

Dollar Volume

Detail

ℹ

Current (07/27) $78.44M

Calls: $47.48M (61%)

Puts: $30.96M (39%)

Prior (07/24) $63.08M

Calls: $28.03M (44%)

Puts: $35.05M (56%)

Current vs Prior +24.35%

Calls: +69.37%

Puts: -11.66%

Prior 7-Day Total $1.05B

Calls: $420.20M (40%)

Puts: $627.23M (60%)

Prior 7-Day Average $149.63M

Calls: $60.03M (40%)

Puts: $89.60M (60%)

Current vs Prior 7-Day Avg -47.58%

Calls: -20.91%

Puts: -65.44%

Sentiment BULLISH

Put/Call Ratio

Detail

ℹ

Current (07/27) 1.02

Prior (07/24) 1.22

Current vs Prior -16.49%

Prior 7-Day Average 1.15

Current vs Prior 7-Day Avg -11.27%

Sentiment BEARISH

Open Interest

Detail

ℹ

Current (07/27) 155,637

Calls: 64,903 (42%)

Puts: 90,734 (58%)

Prior (07/24) 132,209

Calls: 59,479 (45%)

Puts: 72,730 (55%)

Current vs Prior +17.72%

Prior 7-Day Total 1,291,129

Calls: 530,383 (41%)

Puts: 760,746 (59%)

Prior 7-Day Average 184,447

Calls: 75,769 (41%)

Puts: 108,678 (59%)

Current vs Prior 7-Day Avg -15.62%

Sentiment BULLISH

Expected Move

Detail

ℹ

WKMO Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)

Current 11.59% | 17.99%22.91% | 31.24%

Prior 12.44% | 18.89%23.90% | 31.89%

Current vs Prior -6.82% | -4.77%-4.14% | -2.05%

Prior 7-Day Avg 9.43% | 16.46%19.35% | 31.98%

Current vs 7-Day Avg +22.93% | +9.31%+18.42% | -2.31%

Prior 7-Day Eod 12.44% | 18.89%23.90% | 31.89%

Current vs 7-Day Eod -6.82% | -4.77%-4.14% | -2.05%

Sentiment BULLISHBULLISH

Relative Spread

Detail

ℹ

Expiry | Next

Current 36.42% | 19.27%

Calls: 39.47% | 23.90%

Puts: 33.37% | 14.63%

Prior 36.42% | 19.27%

Calls: 39.47% | 23.90%

Puts: 33.37% | 14.63%

Current vs Prior +0.00% | +0.00%

Prior 7-Day Avg 36.42% | 19.27%

Calls: 39.47% | 23.90%

Puts: 33.37% | 14.63%

Current vs 7-Day Avg +0.00% | +0.00%

Liquidity Expensive

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Moderately bullish flow with 61% call dollar volume ($47.48M). Slightly bearish P/C ratio of 1.02.

Smart Money BULLISH

Retail Flow NEUTRAL

Overall MIXED

Dollar Volume

Option Volume

Put/Call Ratio

Open Interest

Expected Move

Current BULLISH

Prior BEARISH

7-Day Avg BEARISH

Current NEUTRAL

Prior BEARISH

7-Day Avg NEUTRAL

Current NEUTRAL

Prior BEARISH

7-Day Avg NEUTRAL

Current BEARISH

Prior BEARISH

7-Day Avg NEUTRAL

Current BEARISH

Prior BULLISH

7-Day Avg BULLISH

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🎯 Tightest Spreads

💰 Best Value Under $1

📊 High Delta (ITM)

🔥 High Volume

⏰ Backwardation

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📉 Credit Spreads

📅 Calendar Spreads

⚡ Straddles

🔀 Strangles

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⚖️ Ratio Spreads

🛡️ Covered Calls

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Tightest Spreads

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Best Value <$1

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Ratio Spreads

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Covered Calls

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 124 of results (avg 7.1%, best 3.0%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$475.00	Aug 21	66.65	69.25	$67.95	3.8%	1	0.63	--
$470.00	Aug 21	69.50	72.25	$70.88	3.9%	40	0.64	136
$450.00	Aug 21	80.70	84.00	$82.35	4.0%	4	0.69	698
$500.00	Aug 21	54.60	56.95	$55.78	4.2%	257	0.55	549
$452.50	Aug 21	79.00	82.65	$80.83	4.5%	2	0.69	--

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$550.00	Aug 21	86.15	88.80	$87.48	3.0%	25	0.58	395
$570.00	Aug 21	99.80	102.90	$101.35	3.1%	4	0.63	73
$520.00	Aug 21	66.60	68.85	$67.72	3.3%	18	0.50	178
$580.00	Aug 21	106.70	110.40	$108.55	3.4%	26	0.66	443
$530.00	Aug 21	73.20	75.85	$74.53	3.6%	6	0.53	--

Affordable options under $1.00 per contract. Great for defined-risk strategies with minimal capital. -- found (avg $--, cheapest $--)

No options available for this category

In-the-money options with delta >0.50. Higher probability of profit, lower leverage. 157 found (avg delta 0.65, highest 0.91)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$400.00	Jul 31	97.00	104.35	$100.68	7.3%	7	0.91	23
$407.50	Jul 31	90.00	98.00	$94.00	8.5%	4	0.90	--
$400.00	Aug 7	101.00	115.45	$108.23	13.4%	3	0.86	44
$430.00	Jul 31	72.15	77.20	$74.68	6.8%	1	0.85	6
$435.00	Jul 31	68.30	72.70	$70.50	6.2%	1	0.84	--

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$587.50	Jul 31	90.00	98.00	$94.00	8.5%	2	0.90	--
$595.00	Jul 31	96.15	105.00	$100.58	8.8%	5	0.89	--
$590.00	Jul 31	91.75	100.00	$95.88	8.6%	2	0.88	--
$580.00	Jul 31	82.95	91.00	$86.98	9.3%	2	0.86	86
$577.50	Jul 31	81.30	87.80	$84.55	7.7%	2	0.85	--

Most actively traded options today. High liquidity = easy entry/exit. 403 active (total vol 10.2K, top 459)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$500.00	Aug 14	47.85	51.00	$49.43	6.4%	459	0.54	19
$550.00	Aug 14	27.80	33.05	$30.42	17.3%	458	0.39	59
$500.00	Aug 21	54.60	56.95	$55.78	4.2%	257	0.55	549
$500.00	Jul 31	25.45	29.30	$27.38	14.1%	228	0.51	136
$580.00	Jul 31	4.05	5.10	$4.57	23.0%	208	0.14	788

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$400.00	Jul 31	2.72	3.25	$2.99	17.7%	416	0.08	536
$460.00	Jul 31	12.05	15.20	$13.63	23.1%	403	0.28	309
$440.00	Jul 31	4.80	9.80	$7.30	68.5%	314	0.18	439
$470.00	Jul 31	15.00	19.00	$17.00	23.5%	210	0.32	2.1K
$485.00	Jul 31	20.90	24.40	$22.65	15.5%	177	0.40	86

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 93 strikes (avg 26.1%, max 44.3%)

CALLS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$450.00	Jul 31	Sep 4	147.3%	105.4%	39.7%	4	19
$400.00	Jul 31	Aug 21	156.3%	113.3%	38.0%	12	23
$447.50	Jul 31	Aug 21	149.8%	112.3%	33.4%	13	1
$490.00	Jul 31	Sep 4	136.9%	102.8%	33.1%	70	53
$470.00	Jul 31	Aug 21	143.2%	107.7%	33.0%	46	152

PUTS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$400.00	Jul 31	Aug 28	156.3%	108.3%	44.3%	433	571
$415.00	Jul 31	Sep 4	151.5%	105.7%	43.4%	23	100
$455.00	Jul 31	Sep 4	149.7%	105.1%	42.4%	57	136
$420.00	Jul 31	Aug 28	152.0%	107.4%	41.6%	73	190
$450.00	Jul 31	Sep 4	147.3%	105.4%	39.7%	164	458

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 281 found (best R:R 17.52, avg 2.24)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$572.50	$575.00	Jul 31	$0.17	$2.33	$0.17	13.71	$572.67
$582.50	$585.00	Jul 31	$0.17	$2.33	$0.17	13.71	$582.67
$547.50	$550.00	Aug 14	$0.23	$2.27	$0.23	9.87	$547.73
$562.50	$565.00	Aug 7	$0.25	$2.25	$0.25	9.00	$562.75
$550.00	$552.50	Jul 31	$0.28	$2.22	$0.28	7.93	$550.28

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$425.00	$420.00	Aug 7	$0.27	$4.73	$0.27	17.52	$424.73
$410.00	$407.50	Jul 31	$0.15	$2.35	$0.15	15.67	$409.85
$420.00	$417.50	Jul 31	$0.18	$2.32	$0.18	12.89	$419.82
$450.00	$447.50	Aug 7	$0.20	$2.30	$0.20	11.50	$449.80
$445.00	$442.50	Aug 21	$0.22	$2.28	$0.22	10.36	$444.78

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 356 found (best R:R 24.00, avg 1.66)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$472.50	$475.00	Aug 7	$2.40	$2.40	$0.10	24.00	$474.90
$400.00	$407.50	Jul 31	$6.68	$6.68	$0.82	8.15	$406.68
$407.50	$430.00	Jul 31	$19.32	$19.32	$3.18	6.08	$426.82
$435.00	$440.00	Jul 31	$4.25	$4.25	$0.75	5.67	$439.25
$430.00	$435.00	Jul 31	$4.18	$4.18	$0.82	5.10	$434.18

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$475.00	$472.50	Aug 21	$2.40	$2.40	$0.10	24.00	$472.60
$467.50	$465.00	Jul 31	$2.35	$2.35	$0.15	15.67	$465.15
$595.00	$590.00	Jul 31	$4.70	$4.70	$0.30	15.67	$590.30
$587.50	$580.00	Jul 31	$7.02	$7.02	$0.48	14.62	$580.48
$437.50	$435.00	Jul 31	$2.30	$2.30	$0.20	11.50	$435.20

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 93 found (avg debit $13.72, cheapest $4.90)

CALLS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$425.00	Aug 14	Aug 21	$4.90	117.6%	112.2%
$400.00	Jul 31	Aug 7	$7.55	156.3%	131.4%
$585.00	Jul 31	Aug 7	$8.82	132.8%	115.9%
$595.00	Jul 31	Aug 7	$9.25	130.7%	119.9%
$430.00	Jul 31	Aug 7	$9.85	143.4%	131.7%

PUTS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$585.00	Aug 21	Aug 28	$5.03	106.4%	104.5%
$400.00	Jul 31	Aug 7	$5.86	156.3%	131.4%
$505.00	Aug 7	Aug 14	$6.90	123.1%	116.5%
$415.00	Jul 31	Aug 7	$7.62	151.5%	130.9%
$410.00	Jul 31	Aug 7	$8.28	152.9%	136.8%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 142 found (cheapest 11.39% of stock, avg 19.49%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$492.50	Jul 31	$31.05	$25.68	$56.73	$435.77	$549.23	11.39%
$500.00	Jul 31	$27.38	$29.35	$56.73	$443.27	$556.73	11.39%
$497.50	Jul 31	$28.38	$28.38	$56.76	$440.74	$554.26	11.40%
$507.50	Jul 31	$23.35	$33.60	$56.95	$450.55	$564.45	11.44%
$490.00	Jul 31	$32.63	$24.40	$57.03	$432.97	$547.03	11.45%
$487.50	Jul 31	$33.92	$23.63	$57.55	$429.95	$545.05	11.56%
$495.00	Jul 31	$30.33	$27.25	$57.58	$437.42	$552.58	11.56%
$510.00	Jul 31	$22.75	$34.95	$57.70	$452.30	$567.70	11.59%
$512.50	Jul 31	$21.73	$36.13	$57.86	$454.64	$570.36	11.62%
$485.00	Jul 31	$35.28	$22.65	$57.93	$427.07	$542.93	11.63%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 135 found (cheapest 9.26% of stock, avg 17.07%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$512.50	$490.00	Jul 31	$21.73	$24.40	$46.13	$443.87	$558.63
$510.00	$490.00	Jul 31	$22.75	$24.40	$47.15	$442.85	$557.15
$512.50	$492.50	Jul 31	$21.73	$25.68	$47.41	$445.09	$559.91
$507.50	$490.00	Jul 31	$23.35	$24.40	$47.75	$442.25	$555.25
$510.00	$492.50	Jul 31	$22.75	$25.68	$48.43	$444.07	$558.43
$512.50	$495.00	Jul 31	$21.73	$27.25	$48.98	$446.02	$561.48
$507.50	$492.50	Jul 31	$23.35	$25.68	$49.03	$443.47	$556.53
$505.00	$490.00	Jul 31	$24.85	$24.40	$49.25	$440.75	$554.25
$510.00	$495.00	Jul 31	$22.75	$27.25	$50.00	$445.00	$560.00
$512.50	$497.50	Jul 31	$21.73	$28.38	$50.11	$447.39	$562.61

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 369 found (best R:R 99.00, avg credit $6.32)

Put Spread	Call Spread	Expiry	Credit	Max Loss	R:R	BE Low	BE High
460/470	480/490	Aug 28	$9.90	$0.10	99.00	$460.10	$489.90
470/480	490/500	Aug 28	$9.75	$0.25	39.00	$470.25	$499.75
415/418	435/440	Jul 31	$4.87	$0.13	37.46	$412.63	$439.87
495/500	520/525	Aug 28	$4.87	$0.13	37.46	$495.13	$524.87
495/500	525/530	Aug 28	$4.87	$0.13	37.46	$495.13	$529.87
422/425	430/435	Jul 31	$4.83	$0.17	28.41	$420.17	$434.83
410/412	455/460	Jul 31	$4.81	$0.19	25.32	$407.69	$459.81
415/418	430/435	Jul 31	$4.80	$0.20	24.00	$412.70	$434.80
435/440	445/452	Aug 7	$7.20	$0.30	24.00	$432.80	$452.20
495/500	535/540	Aug 28	$4.80	$0.20	24.00	$495.20	$539.80

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 125 found (best R:R 70.43, cheapest $0.06)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$550.00	$555.00	$560.00	Aug 21	$0.07	$4.93	70.43
$515.00	$520.00	$525.00	Aug 21	$0.11	$4.89	44.45
$525.00	$527.50	$530.00	Jul 31	$0.06	$2.44	40.67
$530.00	$535.00	$540.00	Aug 21	$0.12	$4.88	40.67
$485.00	$487.50	$490.00	Jul 31	$0.07	$2.43	34.71

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$475.00	$480.00	$485.00	Aug 7	$0.08	$4.92	61.50
$480.00	$485.00	$490.00	Aug 14	$0.09	$4.91	54.56
$580.00	$585.00	$590.00	Aug 28	$0.09	$4.91	54.56
$575.00	$580.00	$585.00	Aug 28	$0.11	$4.89	44.45
$405.00	$410.00	$415.00	Aug 14	$0.13	$4.87	37.46

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 7 found (best net $-11.56, 7 credits)

CALLS (2)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$510.00	$580.00	1:2	Sep 4	-$14.40	$55.60
$585.00	$587.50	1:2	Jul 31	-$1.35	$1.15

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$550.00	$475.00	1:2	Sep 4	-$11.56	$63.44
$440.00	$415.00	1:2	Sep 4	-$19.50	$5.50
$420.00	$400.00	1:2	Aug 28	-$14.81	$5.19
$410.00	$400.00	1:2	Aug 7	-$5.57	$4.43
$440.00	$420.00	1:2	Aug 28	-$19.55	$0.45

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 120 found (best yield 12.65%, avg 4.86%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$500.00	Sep 4	$63.00	0.56	0.4%	12.65%	13.07%	1	--
$510.00	Sep 4	$58.00	0.54	2.4%	11.65%	14.07%	1	--
$500.00	Aug 28	$57.00	0.56	0.4%	11.45%	11.87%	4	27
$505.00	Aug 28	$55.00	0.54	1.4%	11.05%	12.47%	1	--
$500.00	Aug 21	$54.60	0.55	0.4%	10.97%	11.38%	257	549
$510.00	Aug 28	$53.00	0.53	2.4%	10.64%	13.07%	1	4
$505.00	Aug 21	$52.40	0.54	1.4%	10.52%	11.95%	5	--
$520.00	Aug 28	$49.00	0.51	4.4%	9.84%	14.28%	2	28
$500.00	Aug 14	$47.85	0.54	0.4%	9.61%	10.03%	459	19
$515.00	Aug 21	$47.65	0.51	3.4%	9.57%	13.00%	1	--

Current 5-Minute Volume Snapshots

Time (HH:MM)	Total Volume	Call Volume	Put Volume	Volume Change
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Prior's 5-Minute Volume Snapshots

Time (HH:MM)	Total Volume	Call Volume	Put Volume	Volume Change
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Current Put/Call Breakdown

Total Calls 12,757

Total Puts 13,021

Put/Call Ratio 1.02

Net Difference -264

Prior's Put/Call Breakdown

Total Calls 9,867

Total Puts 12,060

Put/Call Ratio 1.22

Net Difference -2,193

Prior 7-Day Put/Call Summary

Total Calls 146,725

Total Puts 165,939

Average Put/Call Ratio 1.15

Ratio Trend Falling

Daily Put/Call History (Last 7 Days)

Date	Calls	Puts	Ratio	Net Diff
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Upcoming Earnings - 2 Weeks Prior

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Upcoming Earnings - 1 Week Prior

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Earnings This Week

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Earnings - Day Before / Day After

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Options Activity Around Earnings

Ticker	Earnings Date	Days Away	Call Volume	Put Volume	IV Rank
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Option Volume

Dollar Volume

Put/Call Ratio

Open Interest

Expected Move

Relative Spread

🤖 AI Insights

📈 Options Analysis

Current 5-Minute Volume Snapshots

Prior's 5-Minute Volume Snapshots

Current Put/Call Breakdown

Prior's Put/Call Breakdown

Prior 7-Day Put/Call Summary

Daily Put/Call History (Last 7 Days)

Upcoming Earnings - 2 Weeks Prior

Upcoming Earnings - 1 Week Prior

Earnings This Week

Earnings - Day Before / Day After

Options Activity Around Earnings

Chart Title

Price — Past 7 Days

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