WDC - Options Database

WDC

WESTERN DIGITAL CORP

$544.84 +2.21%

$539.51 (-0.98%)🌙

as of 07/31 07:19 PM

(7/30 19:48) ◀

Friday, July 31, 2026 (7:19pm)

▶ (8/3 19:03)

◀ 7/31 19:19 ▶

Option Volume

Detail

ℹ

Current (07/31) 70,784

Calls: 31,427 (44%)

Puts: 39,357 (56%)

Prior (07/30) 62,806

Calls: 29,574 (47%)

Puts: 33,232 (53%)

Current vs Prior +12.70%

Calls: +6.27% (Calls)

Puts: +18.43% (Puts)

Prior 7-Day Total 288,335

Calls: 127,094 (44%)

Puts: 161,241 (56%)

Prior 7-Day Average 41,190

Calls: 18,156 (44%)

Puts: 23,034 (56%)

Current vs Prior 7-Day Avg +71.84%

Calls: +73.09%

Puts: +70.86%

Sentiment BEARISH

Dollar Volume

Detail

ℹ

Current (07/31) $161.05M

Calls: $93.58M (58%)

Puts: $67.47M (42%)

Prior (07/30) $132.76M

Calls: $78.25M (59%)

Puts: $54.50M (41%)

Current vs Prior +21.32%

Calls: +19.58%

Puts: +23.80%

Prior 7-Day Total $737.85M

Calls: $378.68M (51%)

Puts: $359.17M (49%)

Prior 7-Day Average $105.41M

Calls: $54.10M (51%)

Puts: $51.31M (49%)

Current vs Prior 7-Day Avg +52.79%

Calls: +72.98%

Puts: +31.51%

Sentiment BULLISH

Put/Call Ratio

Detail

ℹ

Current (07/31) 1.25

Prior (07/30) 1.12

Current vs Prior +11.45%

Prior 7-Day Average 1.26

Current vs Prior 7-Day Avg -0.53%

Sentiment BEARISH

Open Interest

Detail

ℹ

Current (07/31) 225,444

Calls: 89,785 (40%)

Puts: 135,659 (60%)

Prior (07/30) 196,961

Calls: 82,054 (42%)

Puts: 114,907 (58%)

Current vs Prior +14.46%

Prior 7-Day Total 1,215,873

Calls: 488,346 (40%)

Puts: 727,527 (60%)

Prior 7-Day Average 173,696

Calls: 69,763 (40%)

Puts: 103,932 (60%)

Current vs Prior 7-Day Avg +29.79%

Sentiment BULLISH

Expected Move

Detail

ℹ

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

Current 1.10% | 14.40%20.13% | 28.73%

Prior 6.80% | 15.66%21.24% | 29.53%

Current vs Prior +111.78% | +9.67%-5.21% | -2.73%

Prior 7-Day Avg 9.31% | 16.57%23.50% | 31.79%

Current vs 7-Day Avg +54.72% | +3.66%-14.32% | -9.63%

Prior 7-Day Eod 6.80% | 15.66%21.24% | 29.53%

Current vs 7-Day Eod +111.78% | +9.67%-5.21% | -2.73%

Sentiment BEARISHBULLISH

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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🤖 AI Insights

Dollar volume significantly above 7-day average (53% higher). Bearish P/C ratio of 1.25 indicates protective positioning. Put-heavy open interest (135,659 puts vs 89,785 calls) suggests hedging or bearish positioning.

Smart Money BULLISH

Retail Flow BEARISH

Overall BEARISH

Dollar Volume

Option Volume

Put/Call Ratio

Open Interest

Expected Move

Current BULLISH

Prior BULLISH

7-Day Avg BULLISH

Current BEARISH

Prior NEUTRAL

7-Day Avg NEUTRAL

Current BEARISH

Prior NEUTRAL

7-Day Avg NEUTRAL

Current BEARISH

Prior BEARISH

7-Day Avg NEUTRAL

Current BEARISH

Prior BULLISH

7-Day Avg BULLISH

📈 Options Analysis

🎯 Tightest Spreads

💰 Best Value Under $1

📊 High Delta (ITM)

🔥 High Volume

⏰ Backwardation

📈 Debit Spreads

📉 Credit Spreads

📅 Calendar Spreads

⚡ Straddles

🔀 Strangles

🦅 Iron Condors

🦋 Butterflies

⚖️ Ratio Spreads

🛡️ Covered Calls

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Tightest Spreads

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Best Value <$1

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High Delta

⚖️

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 150 of results (avg 8.1%, best 4.4%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$525.00	Aug 21	62.05	66.00	$64.03	6.2%	2	0.61	54
$510.00	Aug 21	70.25	74.75	$72.50	6.2%	1	0.66	--
$530.00	Aug 21	59.60	63.45	$61.53	6.3%	11	0.60	299
$460.00	Aug 21	103.15	110.00	$106.58	6.4%	1	0.79	--
$445.00	Jul 31	97.35	104.00	$100.68	6.6%	103	0.96	38

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$610.00	Aug 21	91.80	95.90	$93.85	4.4%	1	0.63	35
$605.00	Aug 21	88.05	92.25	$90.15	4.7%	1	0.62	--
$640.00	Aug 21	113.30	119.20	$116.25	5.1%	3	0.70	--
$570.00	Aug 21	65.10	68.50	$66.80	5.1%	24	0.52	74
$535.00	Aug 21	46.50	49.00	$47.75	5.2%	2	0.42	39

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. 217 found (avg delta 0.72, highest 1.00)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$440.00	Jul 31	100.50	109.00	$104.75	8.1%	16	1.00	25
$437.50	Jul 31	104.70	115.10	$109.90	9.5%	5	1.00	--
$442.50	Jul 31	99.75	107.00	$103.38	7.0%	68	1.00	10
$455.00	Jul 31	87.00	94.00	$90.50	7.7%	16	1.00	29
$460.00	Jul 31	82.85	89.00	$85.93	7.2%	55	1.00	--

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$580.00	Jul 31	31.00	37.15	$34.08	18.0%	7	1.00	76
$582.50	Jul 31	33.00	40.45	$36.73	20.3%	4	1.00	1
$590.00	Jul 31	41.00	47.80	$44.40	15.3%	4	1.00	138
$615.00	Jul 31	66.00	73.00	$69.50	10.1%	1	1.00	--
$630.00	Jul 31	81.00	88.00	$84.50	8.3%	5	1.00	--

Most actively traded options today. High liquidity = easy entry/exit. 571 active (total vol 45.1K, top 2.3K)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$590.00	Aug 21	34.75	38.00	$36.38	8.9%	2.3K	0.42	2.5K
$535.00	Jul 31	7.00	13.30	$10.15	62.1%	2.1K	0.79	180
$630.00	Aug 21	23.35	25.65	$24.50	9.4%	1.3K	0.32	134
$580.00	Jul 31	0.01	0.04	$0.03	100.0%	993	0.01	769
$450.00	Aug 21	110.35	118.60	$114.48	7.2%	541	0.81	696

PUTS (5)

Strike	Expiry	Ask	Mark	Spread	Vol	Delta	OI
$455.00	Jul 31	0.02	$0.01	200.0%	1.3K	0.00	318
$457.50	Jul 31	0.01	$0.01	100.0%	1.2K	0.00	213
$530.00	Jul 31	0.51	$0.26	196.2%	860	0.06	146
$452.50	Jul 31	0.20	$0.10	200.0%	789	0.01	252
$450.00	Jul 31	0.04	$0.02	200.0%	745	0.00	1.1K

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 141 strikes (avg 507.1%, max 1575.5%)

CALLS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$645.00	Jul 31	Aug 28	1514.7%	99.8%	1417.2%	33	195
$447.50	Jul 31	Aug 14	1796.4%	121.1%	1383.7%	27	4
$625.00	Jul 31	Aug 28	1297.8%	100.9%	1186.6%	103	247
$445.00	Jul 31	Aug 7	1584.9%	128.8%	1130.1%	104	38
$647.50	Jul 31	Aug 7	1540.8%	126.5%	1117.9%	19	10

PUTS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$447.50	Jul 31	Aug 21	1796.4%	107.2%	1575.5%	152	86
$445.00	Jul 31	Sep 11	1584.9%	96.9%	1535.8%	450	199
$467.50	Jul 31	Aug 21	1478.3%	107.2%	1279.2%	327	40
$605.00	Jul 31	Aug 21	1063.9%	102.9%	934.0%	4	7
$472.50	Jul 31	Aug 21	1043.7%	102.2%	921.6%	249	48

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 313 found (best R:R 18.23, avg 2.28)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$555.00	$557.50	Jul 31	$0.13	$2.37	$0.13	18.23	$555.13
$572.50	$575.00	Jul 31	$0.13	$2.37	$0.13	18.23	$572.63
$560.00	$562.50	Aug 7	$0.13	$2.37	$0.13	18.23	$560.13
$635.00	$640.00	Aug 14	$0.40	$4.60	$0.40	11.50	$635.40
$562.50	$565.00	Jul 31	$0.25	$2.25	$0.25	9.00	$562.75

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$535.00	$532.50	Jul 31	$0.13	$2.37	$0.13	18.23	$534.87
$490.00	$487.50	Aug 7	$0.13	$2.37	$0.13	18.23	$489.87
$465.00	$462.50	Jul 31	$0.14	$2.36	$0.14	16.86	$464.86
$445.00	$442.50	Aug 21	$0.17	$2.33	$0.17	13.71	$444.83
$480.00	$475.00	Aug 21	$0.37	$4.63	$0.37	12.51	$479.63

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 412 found (best R:R 19.83, avg 1.84)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$490.00	$492.50	Jul 31	$2.35	$2.35	$0.15	15.67	$492.35
$502.50	$505.00	Jul 31	$2.35	$2.35	$0.15	15.67	$504.85
$455.00	$457.50	Aug 7	$2.33	$2.33	$0.17	13.71	$457.33
$455.00	$460.00	Jul 31	$4.57	$4.57	$0.43	10.63	$459.57
$517.50	$520.00	Jul 31	$2.27	$2.27	$0.23	9.87	$519.77

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$532.50	$530.00	Aug 14	$2.38	$2.38	$0.12	19.83	$530.12
$550.00	$547.50	Aug 14	$2.38	$2.38	$0.12	19.83	$547.62
$605.00	$600.00	Aug 7	$4.70	$4.70	$0.30	15.67	$600.30
$590.00	$587.50	Aug 14	$2.33	$2.33	$0.17	13.71	$587.67
$577.50	$575.00	Jul 31	$2.32	$2.32	$0.18	12.89	$575.18

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 141 found (avg debit $20.00, cheapest $4.35)

CALLS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$645.00	Jul 31	Aug 7	$6.20	1514.7%	123.4%
$647.50	Jul 31	Aug 7	$6.48	1540.8%	126.5%
$447.50	Jul 31	Aug 7	$7.50	1796.4%	138.3%
$445.00	Jul 31	Aug 7	$7.67	1584.9%	128.8%
$452.50	Jul 31	Aug 7	$7.70	1024.7%	134.0%

PUTS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$640.00	Aug 21	Aug 28	$4.35	102.9%	100.5%
$445.00	Jul 31	Aug 7	$4.50	1584.9%	128.8%
$447.50	Jul 31	Aug 7	$5.25	1796.4%	138.3%
$437.50	Jul 31	Aug 7	$5.48	950.4%	136.1%
$650.00	Aug 21	Aug 28	$5.70	102.2%	100.1%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 202 found (cheapest 0.88% of stock, avg 15.82%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$542.50	Jul 31	$3.49	$1.31	$4.80	$537.70	$547.30	0.88%
$545.00	Jul 31	$3.01	$2.53	$5.54	$539.46	$550.54	1.02%
$550.00	Jul 31	$1.05	$4.94	$5.99	$544.01	$555.99	1.10%
$540.00	Jul 31	$5.30	$0.91	$6.21	$533.79	$546.21	1.14%
$547.50	Jul 31	$2.95	$4.07	$7.02	$540.48	$554.52	1.29%
$537.50	Jul 31	$8.53	$0.92	$9.45	$528.05	$546.95	1.73%
$552.50	Jul 31	$2.28	$7.23	$9.51	$542.99	$562.01	1.75%
$555.00	Jul 31	$1.10	$9.78	$10.88	$544.12	$565.88	2.00%
$535.00	Jul 31	$10.15	$1.58	$11.73	$523.27	$546.73	2.15%
$557.50	Jul 31	$0.97	$12.90	$13.87	$543.63	$571.37	2.55%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 155 found (cheapest 0.36% of stock, avg 14.82%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$550.00	$540.00	Jul 31	$1.05	$0.91	$1.96	$538.04	$551.96
$550.00	$537.50	Jul 31	$1.05	$0.92	$1.97	$535.53	$551.97
$555.00	$540.00	Jul 31	$1.10	$0.91	$2.01	$537.99	$557.01
$555.00	$537.50	Jul 31	$1.10	$0.92	$2.02	$535.48	$557.02
$550.00	$542.50	Jul 31	$1.05	$1.31	$2.36	$540.14	$552.36
$555.00	$542.50	Jul 31	$1.10	$1.31	$2.41	$540.09	$557.41
$550.00	$535.00	Jul 31	$1.05	$1.58	$2.63	$532.37	$552.63
$555.00	$535.00	Jul 31	$1.10	$1.58	$2.68	$532.32	$557.68
$567.50	$540.00	Jul 31	$1.95	$0.91	$2.86	$537.14	$570.36
$567.50	$537.50	Jul 31	$1.95	$0.92	$2.87	$534.63	$570.37

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 303 found (best R:R 44.45, avg credit $7.01)

Put Spread	Call Spread	Expiry	Credit	Max Loss	R:R	BE Low	BE High
462/465	515/520	Aug 21	$4.89	$0.11	44.45	$460.11	$519.89
440/442	510/515	Aug 21	$4.83	$0.17	28.41	$437.67	$514.83
475/480	520/530	Aug 14	$9.65	$0.35	27.57	$470.35	$529.65
460/465	530/535	Aug 14	$4.75	$0.25	19.00	$460.25	$534.75
440/442	500/510	Aug 21	$9.48	$0.52	18.23	$433.02	$509.48
452/455	460/468	Aug 7	$7.10	$0.40	17.75	$447.90	$467.10
475/480	510/520	Aug 14	$9.40	$0.60	15.67	$470.60	$519.40
450/455	520/525	Aug 21	$4.70	$0.30	15.67	$450.30	$524.70
458/460	480/485	Aug 21	$4.70	$0.30	15.67	$455.30	$484.70
472/475	485/500	Aug 21	$14.08	$0.92	15.30	$460.92	$499.08

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 195 found (best R:R 49.00, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$592.50	$595.00	$597.50	Aug 7	$0.05	$2.45	49.00
$590.00	$595.00	$600.00	Aug 21	$0.11	$4.89	44.45
$570.00	$580.00	$590.00	Aug 28	$0.27	$9.73	36.04
$535.00	$540.00	$545.00	Aug 21	$0.15	$4.85	32.33
$605.00	$610.00	$615.00	Sep 4	$0.15	$4.85	32.33

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$500.00	$505.00	$510.00	Aug 28	$0.10	$4.90	49.00
$540.00	$545.00	$550.00	Aug 28	$0.11	$4.89	44.45
$560.00	$562.50	$565.00	Jul 31	$0.07	$2.43	34.71
$535.00	$537.50	$540.00	Aug 14	$0.07	$2.43	34.71
$545.00	$547.50	$550.00	Aug 7	$0.08	$2.42	30.25

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 71 found (best net $-24.83, 45 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$550.00	$610.00	1:2	Sep 11	-$24.83	$35.17
$607.50	$610.00	1:2	Jul 31	-$0.01	$2.49
$650.00	$652.50	1:2	Jul 31	-$0.01	$2.49
$595.00	$597.50	1:2	Jul 31	-$0.05	$2.45
$587.50	$590.00	1:2	Jul 31	-$0.07	$2.43

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$480.00	$445.00	1:2	Sep 11	-$13.90	$21.10
$440.00	$437.50	1:2	Jul 31	-$0.01	$2.49
$442.50	$440.00	1:2	Jul 31	-$0.01	$2.49
$447.50	$445.00	1:2	Jul 31	-$0.01	$2.49
$457.50	$455.00	1:2	Jul 31	-$0.01	$2.49

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 129 found (best yield 12.53%, avg 5.54%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$545.00	Sep 11	$68.25	0.57	0.0%	12.53%	12.56%	12	1
$550.00	Sep 11	$66.45	0.56	0.9%	12.20%	13.14%	6	--
$545.00	Sep 4	$64.15	0.57	0.0%	11.77%	11.80%	22	--
$550.00	Sep 4	$61.95	0.56	0.9%	11.37%	12.32%	12	12
$555.00	Sep 4	$59.70	0.54	1.9%	10.96%	12.82%	4	8
$545.00	Aug 28	$57.80	0.56	0.0%	10.61%	10.64%	3	--
$560.00	Sep 4	$57.65	0.53	2.8%	10.58%	13.36%	9	13
$550.00	Aug 28	$56.20	0.55	0.9%	10.31%	11.26%	24	20
$555.00	Aug 28	$53.80	0.54	1.9%	9.87%	11.74%	3	9
$570.00	Sep 4	$53.35	0.51	4.6%	9.79%	14.41%	2	2

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 31,427

Total Puts 39,357

Put/Call Ratio 1.25

Net Difference -7,930

Prior's Put/Call Breakdown

Total Calls 29,574

Total Puts 33,232

Put/Call Ratio 1.12

Net Difference -3,658

Prior 7-Day Put/Call Summary

Total Calls 127,094

Total Puts 161,241

Average Put/Call Ratio 1.26

Ratio Trend Rising

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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