WDC - Options Database

WDC

WESTERN DIGITAL CORP

$487.42 +2.14%

$490.50 (+0.63%)🌙

as of 07/20 07:16 PM

(7/17 19:30) ◀

Monday, July 20, 2026 (7:17pm)

▶ (7/21 19:15)

◀ 7/20 19:17 ▶

Option Volume

Detail

ℹ

Current (07/20) 45,546

Calls: 26,467 (58%)

Puts: 19,079 (42%)

Prior (07/17) 55,425

Calls: 26,824 (48%)

Puts: 28,601 (52%)

Current vs Prior -17.82%

Calls: -1.33% (Calls)

Puts: -33.29% (Puts)

Prior 7-Day Total 386,411

Calls: 178,398 (46%)

Puts: 208,013 (54%)

Prior 7-Day Average 55,201

Calls: 25,485 (46%)

Puts: 29,716 (54%)

Current vs Prior 7-Day Avg -17.49%

Calls: +3.85%

Puts: -35.80%

Sentiment BULLISH

Dollar Volume

Detail

ℹ

Current (07/20) $118.97M

Calls: $57.39M (48%)

Puts: $61.58M (52%)

Prior (07/17) $146.50M

Calls: $60.75M (41%)

Puts: $85.75M (59%)

Current vs Prior -18.80%

Calls: -5.54%

Puts: -28.19%

Prior 7-Day Total $1.18B

Calls: $432.54M (37%)

Puts: $746.28M (63%)

Prior 7-Day Average $168.40M

Calls: $61.79M (37%)

Puts: $106.61M (63%)

Current vs Prior 7-Day Avg -29.36%

Calls: -7.13%

Puts: -42.24%

Sentiment BEARISH

Put/Call Ratio

Detail

ℹ

Current (07/20) 0.72

Prior (07/17) 1.07

Current vs Prior -32.39%

Prior 7-Day Average 1.19

Current vs Prior 7-Day Avg -39.38%

Sentiment NEUTRAL

Open Interest

Detail

ℹ

Current (07/20) 174,868

Calls: 67,820 (39%)

Puts: 107,048 (61%)

Prior (07/17) 244,751

Calls: 99,967 (41%)

Puts: 144,784 (59%)

Current vs Prior -28.55%

Prior 7-Day Total 1,573,771

Calls: 605,225 (38%)

Puts: 968,546 (62%)

Prior 7-Day Average 224,824

Calls: 86,460 (38%)

Puts: 138,363 (62%)

Current vs Prior 7-Day Avg -22.22%

Sentiment BULLISH

Expected Move

Detail

ℹ

WKMO Expiry (07/24) | Next (07/31)Expiry (08/21) | Next (09/18)

Current 12.42% | 18.38%27.47% | 35.22%

Prior 12.84% | 18.87%1.21% | 28.18%

Current vs Prior -3.29% | -2.61%+2163.83% | +24.98%

Prior 7-Day Avg 8.35% | 14.70%7.68% | 28.22%

Current vs 7-Day Avg +48.76% | +25.06%+257.69% | +24.81%

Prior 7-Day Eod 12.84% | 18.87%1.21% | 28.18%

Current vs 7-Day Eod -3.29% | -2.61%+2163.83% | +24.98%

Sentiment BULLISHBEARISH

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 24.61% | 15.26%

Calls: 25.38% | 14.89%

Puts: 23.82% | 15.64%

Current vs 7-Day Avg +48.01% | +26.25%

Liquidity Expensive

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🤖 AI Insights

P/C ratio dropping 32% - sentiment shifting bullish. Put-heavy open interest (107,048 puts vs 67,820 calls) suggests hedging or bearish positioning. Declining open interest (down 29%) indicates positions being closed.

Smart Money BEARISH

Retail Flow BULLISH

Overall BULLISH

Dollar Volume

Option Volume

Put/Call Ratio

Open Interest

Expected Move

Current BEARISH

Prior BEARISH

7-Day Avg BEARISH

Current BULLISH

Prior NEUTRAL

7-Day Avg NEUTRAL

Current NEUTRAL

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

💰

Best Value <$1

📊

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 112 of results (avg 7.2%, best 2.8%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$445.00	Aug 21	87.30	90.45	$88.88	3.5%	4	0.66	--
$462.50	Aug 21	77.55	80.45	$79.00	3.7%	8	0.62	--
$452.50	Aug 21	82.90	86.20	$84.55	3.9%	7	0.65	--
$455.00	Aug 21	81.50	84.75	$83.13	3.9%	15	0.64	--
$457.50	Aug 21	80.25	83.45	$81.85	3.9%	1	0.64	--

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$580.00	Aug 21	123.05	126.50	$124.78	2.8%	4	0.64	425
$550.00	Aug 21	101.55	105.55	$103.55	3.9%	28	0.58	214
$540.00	Aug 21	94.75	98.60	$96.68	4.0%	2	0.55	194
$535.00	Aug 21	91.60	95.60	$93.60	4.3%	3	0.54	--
$505.00	Aug 21	73.85	77.10	$75.47	4.3%	13	0.47	--

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. 148 found (avg delta 0.63, highest 0.90)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$395.00	Jul 24	92.00	100.90	$96.45	9.2%	1	0.90	--
$400.00	Jul 24	88.00	96.00	$92.00	8.7%	1	0.89	8
$402.50	Jul 24	85.20	93.00	$89.10	8.8%	15	0.89	17
$420.00	Jul 24	72.40	78.95	$75.68	8.7%	5	0.84	--
$430.00	Jul 24	64.40	70.95	$67.68	9.7%	1	0.81	12

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$580.00	Jul 24	93.00	102.00	$97.50	9.2%	1	0.87	142
$575.00	Jul 24	89.00	96.50	$92.75	8.1%	9	0.86	73
$570.00	Jul 24	84.10	93.00	$88.55	10.1%	1	0.84	--
$565.00	Jul 24	81.30	87.45	$84.38	7.3%	53	0.83	18
$560.00	Jul 24	77.35	82.65	$80.00	6.6%	6	0.81	67

Most actively traded options today. High liquidity = easy entry/exit. 420 active (total vol 12.2K, top 1.6K)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$550.00	Jul 24	7.40	9.00	$8.20	19.5%	329	0.22	541
$580.00	Jul 31	11.45	15.20	$13.33	28.1%	236	0.24	133
$525.00	Jul 24	13.35	15.60	$14.48	15.5%	231	0.34	1.1K
$500.00	Jul 24	22.15	26.35	$24.25	17.3%	205	0.47	170
$575.00	Jul 24	3.75	5.25	$4.50	33.3%	165	0.14	77

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$430.00	Jul 24	8.65	10.30	$9.48	17.4%	1.6K	0.20	207
$455.00	Jul 24	15.15	17.60	$16.38	15.0%	753	0.30	487
$390.00	Jul 24	3.10	4.45	$3.78	35.7%	509	0.09	81
$430.00	Jul 31	19.60	22.90	$21.25	15.5%	449	0.26	649
$400.00	Jul 24	4.55	5.00	$4.78	9.4%	270	0.11	763

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 109 strikes (avg 23.6%, max 44.5%)

CALLS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$400.00	Jul 24	Aug 28	167.6%	116.6%	43.7%	5	8
$460.00	Jul 24	Aug 28	155.1%	112.5%	37.8%	4	560
$445.00	Jul 24	Aug 28	156.8%	114.0%	37.5%	4	10
$480.00	Jul 24	Aug 28	151.8%	110.7%	37.0%	50	41
$420.00	Jul 24	Aug 21	161.9%	120.7%	34.1%	6	--

PUTS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$395.00	Jul 24	Aug 28	169.1%	117.0%	44.5%	22	51
$400.00	Jul 24	Aug 28	167.6%	116.6%	43.7%	286	787
$410.00	Jul 24	Aug 28	164.9%	115.6%	42.7%	56	1.2K
$425.00	Jul 24	Aug 28	161.5%	114.6%	40.9%	38	129
$390.00	Jul 24	Aug 21	171.2%	122.0%	40.4%	510	190

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 325 found (best R:R 16.86, avg 2.22)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$485.00	$487.50	Jul 24	$0.15	$2.35	$0.15	15.67	$485.15
$567.50	$570.00	Jul 24	$0.16	$2.34	$0.16	14.62	$567.66
$550.00	$552.50	Jul 24	$0.17	$2.33	$0.17	13.71	$550.17
$577.50	$580.00	Jul 24	$0.17	$2.33	$0.17	13.71	$577.67
$510.00	$512.50	Jul 31	$0.25	$2.25	$0.25	9.00	$510.25

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$395.00	$392.50	Jul 24	$0.14	$2.36	$0.14	16.86	$394.86
$402.50	$400.00	Jul 24	$0.19	$2.31	$0.19	12.16	$402.31
$400.00	$395.00	Aug 7	$0.39	$4.61	$0.39	11.82	$399.61
$427.50	$425.00	Jul 24	$0.23	$2.27	$0.23	9.87	$427.27
$470.00	$467.50	Jul 31	$0.23	$2.27	$0.23	9.87	$469.77

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 385 found (best R:R 32.33, avg 1.48)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$467.50	$470.00	Jul 24	$2.40	$2.40	$0.10	24.00	$469.90
$390.00	$395.00	Aug 14	$4.75	$4.75	$0.25	19.00	$394.75
$482.50	$485.00	Jul 24	$2.30	$2.30	$0.20	11.50	$484.80
$445.00	$447.50	Aug 7	$2.29	$2.29	$0.21	10.90	$447.29
$487.50	$490.00	Jul 24	$2.23	$2.23	$0.27	8.26	$489.73

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$555.00	$550.00	Jul 31	$4.85	$4.85	$0.15	32.33	$550.15
$580.00	$575.00	Jul 24	$4.75	$4.75	$0.25	19.00	$575.25
$517.50	$515.00	Jul 24	$2.27	$2.27	$0.23	9.87	$515.23
$530.00	$525.00	Jul 24	$4.45	$4.45	$0.55	8.09	$525.55
$565.00	$560.00	Jul 24	$4.38	$4.38	$0.62	7.06	$560.62

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 109 found (avg debit $14.41, cheapest $4.80)

CALLS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$390.00	Aug 14	Aug 21	$4.80	125.7%	122.0%
$582.50	Jul 24	Jul 31	$8.18	148.0%	126.1%
$580.00	Jul 24	Jul 31	$9.28	136.4%	124.8%
$405.00	Aug 14	Aug 28	$9.28	124.9%	116.5%
$562.50	Jul 24	Jul 31	$10.00	148.3%	128.2%

PUTS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$405.00	Jul 24	Jul 31	$7.20	171.3%	136.6%
$397.50	Jul 24	Jul 31	$7.25	177.2%	142.6%
$395.00	Jul 24	Jul 31	$8.11	169.1%	144.2%
$407.50	Jul 24	Jul 31	$8.36	164.0%	137.2%
$410.00	Jul 24	Jul 31	$8.38	164.9%	136.7%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 135 found (cheapest 12.19% of stock, avg 21.37%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$490.00	Jul 24	$28.40	$31.00	$59.40	$430.60	$549.40	12.19%
$485.00	Jul 24	$30.78	$29.10	$59.88	$425.12	$544.88	12.29%
$487.50	Jul 24	$30.63	$29.75	$60.38	$427.12	$547.88	12.39%
$497.50	Jul 24	$25.45	$34.95	$60.40	$437.10	$557.90	12.39%
$480.00	Jul 24	$34.00	$26.42	$60.42	$419.58	$540.42	12.40%
$475.00	Jul 24	$36.80	$23.78	$60.58	$414.42	$535.58	12.43%
$477.50	Jul 24	$35.72	$25.08	$60.80	$416.70	$538.30	12.47%
$470.00	Jul 24	$39.13	$21.90	$61.03	$408.97	$531.03	12.52%
$500.00	Jul 24	$24.25	$36.92	$61.17	$438.83	$561.17	12.55%
$492.50	Jul 24	$27.58	$33.85	$61.43	$431.07	$553.93	12.60%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 150 found (cheapest 10.37% of stock, avg 20.73%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$505.00	$482.50	Jul 24	$22.05	$28.50	$50.55	$431.95	$555.55
$505.00	$485.00	Jul 24	$22.05	$29.10	$51.15	$433.85	$556.15
$502.50	$482.50	Jul 24	$23.13	$28.50	$51.63	$430.87	$554.13
$505.00	$487.50	Jul 24	$22.05	$29.75	$51.80	$435.70	$556.80
$502.50	$485.00	Jul 24	$23.13	$29.10	$52.23	$432.77	$554.73
$500.00	$482.50	Jul 24	$24.25	$28.50	$52.75	$429.75	$552.75
$502.50	$487.50	Jul 24	$23.13	$29.75	$52.88	$434.62	$555.38
$505.00	$490.00	Jul 24	$22.05	$31.00	$53.05	$436.95	$558.05
$500.00	$485.00	Jul 24	$24.25	$29.10	$53.35	$431.65	$553.35
$497.50	$482.50	Jul 24	$25.45	$28.50	$53.95	$428.55	$551.45

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 388 found (best R:R 37.46, avg credit $6.10)

Put Spread	Call Spread	Expiry	Credit	Max Loss	R:R	BE Low	BE High
420/425	430/435	Aug 7	$4.87	$0.13	37.46	$420.13	$434.87
430/435	445/450	Aug 21	$4.87	$0.13	37.46	$430.13	$449.87
415/418	420/430	Jul 24	$9.73	$0.27	36.04	$407.77	$429.73
405/410	435/440	Aug 7	$4.81	$0.19	25.32	$405.19	$439.81
402/405	430/435	Jul 24	$4.79	$0.21	22.81	$400.21	$434.79
415/418	445/450	Jul 24	$4.78	$0.22	21.73	$412.72	$449.78
460/475	480/495	Aug 28	$14.28	$0.72	19.83	$460.72	$494.28
390/392	395/400	Jul 24	$4.75	$0.25	19.00	$387.75	$399.75
408/410	438/445	Jul 24	$7.06	$0.44	16.05	$402.94	$444.56
418/420	435/438	Jul 24	$2.34	$0.16	14.62	$417.66	$437.34

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 142 found (best R:R 114.38, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$460.00	$470.00	$480.00	Aug 7	$0.09	$9.91	110.11
$525.00	$530.00	$535.00	Aug 14	$0.08	$4.92	61.50
$555.00	$560.00	$565.00	Aug 28	$0.08	$4.92	61.50
$540.00	$542.50	$545.00	Jul 24	$0.05	$2.45	49.00
$525.00	$530.00	$535.00	Aug 7	$0.12	$4.88	40.67

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$535.00	$550.00	$565.00	Aug 14	$0.13	$14.87	114.38
$445.00	$450.00	$455.00	Aug 14	$0.06	$4.94	82.33
$450.00	$455.00	$460.00	Aug 14	$0.12	$4.88	40.67
$430.00	$435.00	$440.00	Aug 7	$0.13	$4.87	37.46
$517.50	$520.00	$522.50	Jul 24	$0.07	$2.43	34.71

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 2 found (best net $-27.30, 2 credits)

CALLS (2)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$405.00	$475.00	1:2	Aug 14	-$27.30	$42.70
$550.00	$575.00	1:2	Aug 14	-$22.20	$2.80

PUTS (0)

No puts found

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 128 found (best yield 13.48%, avg 5.93%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$500.00	Aug 28	$65.70	0.55	2.6%	13.48%	16.06%	26	3
$495.00	Aug 28	$64.00	0.55	1.6%	13.13%	14.69%	1	--
$490.00	Aug 21	$63.60	0.56	0.5%	13.05%	13.58%	8	242
$495.00	Aug 21	$61.20	0.55	1.6%	12.56%	14.11%	1	--
$500.00	Aug 21	$59.50	0.54	2.6%	12.21%	14.79%	71	510
$510.00	Aug 28	$58.00	0.52	4.6%	11.90%	16.53%	1	3
$490.00	Aug 14	$57.25	0.55	0.5%	11.75%	12.27%	4	7
$505.00	Aug 21	$57.00	0.52	3.6%	11.69%	15.30%	12	--
$510.00	Aug 21	$55.05	0.51	4.6%	11.29%	15.93%	19	85
$520.00	Aug 28	$54.00	0.50	6.7%	11.08%	17.76%	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 26,467

Total Puts 19,079

Put/Call Ratio 0.72

Net Difference 7,388

Prior's Put/Call Breakdown

Total Calls 26,824

Total Puts 28,601

Put/Call Ratio 1.07

Net Difference -1,777

Prior 7-Day Put/Call Summary

Total Calls 178,398

Total Puts 208,013

Average Put/Call Ratio 1.19

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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