SNDK - Options Database

SNDK

SANDISK CORP

$1589.40 +14.27%

$1622.98 (+2.11%)🌙

as of 07/21 07:04 PM

(7/20 19:05) ◀

Tuesday, July 21, 2026 (7:04pm)

▶ (7/22 20:53)

◀ 7/21 19:04 ▶

Option Volume

Detail

ℹ

Current (07/21) 157,170

Calls: 67,436 (43%)

Puts: 89,734 (57%)

Prior (07/20) 152,157

Calls: 59,237 (39%)

Puts: 92,920 (61%)

Current vs Prior +3.29%

Calls: +13.84% (Calls)

Puts: -3.43% (Puts)

Prior 7-Day Total 1,402,358

Calls: 704,832 (50%)

Puts: 697,526 (50%)

Prior 7-Day Average 200,336

Calls: 100,690 (50%)

Puts: 99,646 (50%)

Current vs Prior 7-Day Avg -21.55%

Calls: -33.03%

Puts: -9.95%

Sentiment BEARISH

Dollar Volume

Detail

ℹ

Current (07/21) $1.08B

Calls: $668.57M (62%)

Puts: $407.87M (38%)

Prior (07/20) $1.20B

Calls: $416.23M (35%)

Puts: $786.54M (65%)

Current vs Prior -10.50%

Calls: +60.63%

Puts: -48.14%

Prior 7-Day Total $7.96B

Calls: $3.50B (44%)

Puts: $4.46B (56%)

Prior 7-Day Average $1.14B

Calls: $500.15M (44%)

Puts: $637.13M (56%)

Current vs Prior 7-Day Avg -5.35%

Calls: +33.67%

Puts: -35.98%

Sentiment BULLISH

Put/Call Ratio

Detail

ℹ

Current (07/21) 1.33

Prior (07/20) 1.57

Current vs Prior -15.17%

Prior 7-Day Average 1.07

Current vs Prior 7-Day Avg +24.87%

Sentiment BEARISH

Open Interest

Detail

ℹ

Current (07/21) 277,278

Calls: 98,593 (36%)

Puts: 178,685 (64%)

Prior (07/20) 240,197

Calls: 88,987 (37%)

Puts: 151,210 (63%)

Current vs Prior +15.44%

Prior 7-Day Total 2,086,425

Calls: 765,483 (37%)

Puts: 1,320,942 (63%)

Prior 7-Day Average 298,060

Calls: 109,354 (37%)

Puts: 188,706 (63%)

Current vs Prior 7-Day Avg -6.97%

Sentiment BULLISH

Expected Move

Detail

ℹ

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

Current 11.40% | 21.68%34.74% | 43.32%

Prior 14.83% | 24.90%37.88% | 45.91%

Current vs Prior -23.14% | -12.93%-8.31% | -5.66%

Prior 7-Day Avg 12.08% | 20.56%13.12% | 37.06%

Current vs 7-Day Avg -5.63% | +5.47%+164.86% | +16.88%

Prior 7-Day Eod 14.83% | 24.90%37.88% | 45.91%

Current vs 7-Day Eod -23.14% | -12.93%-8.31% | -5.66%

Sentiment BULLISHBULLISH

Relative Spread

Detail

ℹ

Expiry | Next

Current 5.80% | 3.81%

Calls: 6.51% | 4.35%

Puts: 5.09% | 3.27%

Prior 5.80% | 3.81%

Calls: 6.51% | 4.35%

Puts: 5.09% | 3.27%

Current vs Prior +0.00% | +0.00%

Prior 7-Day Avg 5.04% | 4.27%

Calls: 5.75% | 4.74%

Puts: 4.33% | 3.81%

Current vs 7-Day Avg +15.08% | -10.83%

Liquidity Acceptable

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🤖 AI Insights

Moderately bullish flow with 62% call dollar volume ($668.57M). Bearish P/C ratio of 1.33 indicates protective positioning. Put-heavy open interest (178,685 puts vs 98,593 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 BEARISH

7-Day Avg BEARISH

Current BEARISH

Prior BEARISH

7-Day Avg NEUTRAL

Current BEARISH

Prior BEARISH

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

🎯

Tightest Spreads

💰

Best Value <$1

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High Delta

⚖️

Ratio Spreads

🛡️

Covered Calls

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 937 of results (avg 4.9%, best 1.3%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$1670.00	Jul 31	133.60	135.30	$134.45	1.3%	45	0.48	53
$1445.00	Jul 31	255.70	260.00	$257.85	1.7%	36	0.68	94
$1600.00	Aug 21	271.00	276.00	$273.50	1.8%	308	0.58	722
$1380.00	Aug 21	386.40	393.70	$390.05	1.9%	2	0.70	--
$1400.00	Aug 21	374.50	381.90	$378.20	2.0%	127	0.69	719

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$1400.00	Aug 21	180.20	183.00	$181.60	1.5%	399	0.31	867
$1865.00	Jul 31	340.30	346.80	$343.55	1.9%	1	0.69	--
$1850.00	Jul 31	329.00	335.70	$332.35	2.0%	16	0.68	67
$1750.00	Jul 31	259.80	265.40	$262.60	2.1%	16	0.59	90
$1825.00	Jul 31	310.90	317.70	$314.30	2.2%	40	0.66	67

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. 463 found (avg delta 0.64, highest 0.91)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$1275.00	Jul 24	320.50	330.90	$325.70	3.2%	2	0.91	28
$1280.00	Jul 24	315.90	326.30	$321.10	3.2%	2	0.91	23
$1285.00	Jul 24	311.30	322.70	$317.00	3.6%	3	0.90	--
$1290.00	Jul 24	306.70	317.20	$311.95	3.4%	2	0.90	22
$1295.00	Jul 24	302.20	312.60	$307.40	3.4%	1	0.90	6

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$1900.00	Jul 24	314.40	324.10	$319.25	3.0%	4	0.90	169
$1885.00	Jul 24	300.80	310.30	$305.55	3.1%	1	0.89	--
$1865.00	Jul 24	281.60	290.70	$286.15	3.2%	2	0.88	20
$1870.00	Jul 24	286.10	296.70	$291.40	3.6%	3	0.88	60
$1860.00	Jul 24	277.20	287.70	$282.45	3.7%	6	0.87	31

Most actively traded options today. High liquidity = easy entry/exit. 997 active (total vol 82.6K, top 3.7K)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$1800.00	Jul 24	20.20	22.00	$21.10	8.5%	3.5K	0.19	1.0K
$1900.00	Jul 24	8.60	9.30	$8.95	7.8%	3.2K	0.10	2.2K
$1600.00	Jul 24	81.80	86.00	$83.90	5.0%	3.0K	0.51	1.2K
$1700.00	Jul 24	43.50	45.00	$44.25	3.4%	2.3K	0.33	1.3K
$1550.00	Jul 24	109.80	113.90	$111.85	3.7%	1.7K	0.59	424

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$1390.00	Jul 24	23.90	25.10	$24.50	4.9%	3.7K	0.17	6.0K
$1390.00	Jul 31	91.30	95.60	$93.45	4.6%	3.4K	0.27	2.9K
$1500.00	Jul 24	51.50	54.40	$52.95	5.5%	2.7K	0.32	3.0K
$1500.00	Jul 31	129.00	137.20	$133.10	6.2%	1.4K	0.36	1.4K
$1310.00	Jul 31	68.70	74.90	$71.80	8.6%	1.1K	0.22	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. 177 strikes (avg 8.5%, max 18.7%)

CALLS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$1280.00	Jul 24	Aug 28	185.9%	158.5%	17.3%	4	23
$1325.00	Jul 24	Aug 28	180.2%	155.6%	15.8%	14	105
$1320.00	Jul 24	Aug 21	182.2%	158.0%	15.3%	24	102
$1300.00	Jul 24	Aug 21	183.1%	159.4%	14.9%	309	244
$1340.00	Jul 24	Aug 28	178.5%	155.3%	14.9%	13	26

PUTS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$1290.00	Jul 24	Aug 28	187.1%	157.6%	18.7%	73	418
$1310.00	Jul 24	Aug 28	184.2%	156.4%	17.8%	993	2.3K
$1280.00	Jul 24	Aug 28	185.9%	158.5%	17.3%	150	218
$1315.00	Jul 24	Aug 28	183.0%	156.0%	17.3%	133	146
$1300.00	Jul 24	Aug 28	183.1%	156.2%	17.2%	983	1.4K

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 778 found (best R:R 32.33, avg 2.33)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$1835.00	$1840.00	Jul 24	$0.15	$4.85	$0.15	32.33	$1835.15
$1825.00	$1830.00	Jul 24	$0.20	$4.80	$0.20	24.00	$1825.20
$1705.00	$1710.00	Jul 24	$0.25	$4.75	$0.25	19.00	$1705.25
$1815.00	$1820.00	Jul 24	$0.30	$4.70	$0.30	15.67	$1815.30
$1785.00	$1790.00	Jul 24	$0.35	$4.65	$0.35	13.29	$1785.35

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$1295.00	$1290.00	Jul 24	$0.15	$4.85	$0.15	32.33	$1294.85
$1300.00	$1295.00	Jul 24	$0.15	$4.85	$0.15	32.33	$1299.85
$1355.00	$1350.00	Jul 24	$0.15	$4.85	$0.15	32.33	$1354.85
$1325.00	$1320.00	Jul 24	$0.20	$4.80	$0.20	24.00	$1324.80
$1375.00	$1370.00	Jul 24	$0.25	$4.75	$0.25	19.00	$1374.75

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 936 found (best R:R 49.00, avg 1.59)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$1340.00	$1345.00	Jul 24	$4.90	$4.90	$0.10	49.00	$1344.90
$1375.00	$1380.00	Jul 24	$4.80	$4.80	$0.20	24.00	$1379.80
$1435.00	$1440.00	Jul 24	$4.80	$4.80	$0.20	24.00	$1439.80
$1580.00	$1585.00	Jul 24	$4.80	$4.80	$0.20	24.00	$1584.80
$1355.00	$1360.00	Jul 24	$4.70	$4.70	$0.30	15.67	$1359.70

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$1610.00	$1605.00	Jul 31	$4.85	$4.85	$0.15	32.33	$1605.15
$1885.00	$1870.00	Jul 24	$14.15	$14.15	$0.85	16.65	$1870.85
$1750.00	$1740.00	Jul 24	$9.25	$9.25	$0.75	12.33	$1740.75
$1900.00	$1885.00	Jul 24	$13.70	$13.70	$1.30	10.54	$1886.30
$1770.00	$1765.00	Aug 14	$4.55	$4.55	$0.45	10.11	$1765.45

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 234 found (avg debit $76.96, cheapest $44.30)

CALLS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$1895.00	Jul 24	Jul 31	$51.80	154.1%	153.8%
$1905.00	Jul 24	Jul 31	$52.15	146.8%	153.5%
$1900.00	Jul 24	Jul 31	$53.05	147.0%	153.8%
$1275.00	Jul 24	Jul 31	$53.35	188.3%	189.2%
$1280.00	Jul 24	Jul 31	$53.95	185.9%	189.0%

PUTS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$1820.00	Aug 7	Aug 21	$44.30	160.1%	145.6%
$1900.00	Jul 24	Jul 31	$50.90	147.0%	153.8%
$1275.00	Jul 24	Jul 31	$51.55	188.3%	189.2%
$1855.00	Jul 31	Aug 7	$52.45	154.8%	158.5%
$1280.00	Jul 24	Jul 31	$52.85	185.9%	189.0%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 381 found (cheapest 11.20% of stock, avg 25.29%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$1590.00	Jul 24	$87.85	$90.10	$177.95	$1412.05	$1767.95	11.20%
$1570.00	Jul 24	$98.85	$79.80	$178.65	$1391.35	$1748.65	11.24%
$1610.00	Jul 24	$78.75	$100.45	$179.20	$1430.80	$1789.20	11.27%
$1585.00	Jul 24	$91.05	$88.35	$179.40	$1405.60	$1764.40	11.29%
$1575.00	Jul 24	$97.60	$82.10	$179.70	$1395.30	$1754.70	11.31%
$1600.00	Jul 24	$83.90	$95.80	$179.70	$1420.30	$1779.70	11.31%
$1595.00	Jul 24	$87.15	$92.80	$179.95	$1415.05	$1774.95	11.32%
$1605.00	Jul 24	$82.45	$97.60	$180.05	$1424.95	$1785.05	11.33%
$1615.00	Jul 24	$77.65	$102.60	$180.25	$1434.75	$1795.25	11.34%
$1560.00	Jul 24	$105.20	$75.25	$180.45	$1379.55	$1740.45	11.35%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 149 found (cheapest 9.97% of stock, avg 26.93%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$1625.00	$1580.00	Jul 24	$72.85	$85.60	$158.45	$1421.55	$1783.45
$1625.00	$1585.00	Jul 24	$72.85	$88.35	$161.20	$1423.80	$1786.20
$1620.00	$1580.00	Jul 24	$75.65	$85.60	$161.25	$1418.75	$1781.25
$1625.00	$1590.00	Jul 24	$72.85	$90.10	$162.95	$1427.05	$1787.95
$1615.00	$1580.00	Jul 24	$77.65	$85.60	$163.25	$1416.75	$1778.25
$1620.00	$1585.00	Jul 24	$75.65	$88.35	$164.00	$1421.00	$1784.00
$1610.00	$1580.00	Jul 24	$78.75	$85.60	$164.35	$1415.65	$1774.35
$1625.00	$1595.00	Jul 24	$72.85	$92.80	$165.65	$1429.35	$1790.65
$1620.00	$1590.00	Jul 24	$75.65	$90.10	$165.75	$1424.25	$1785.75
$1615.00	$1585.00	Jul 24	$77.65	$88.35	$166.00	$1419.00	$1781.00

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 324 found (best R:R 65.67, avg credit $8.39)

Put Spread	Call Spread	Expiry	Credit	Max Loss	R:R	BE Low	BE High
1300/1310	1350/1360	Aug 21	$9.85	$0.15	65.67	$1300.15	$1359.85
1315/1320	1335/1340	Jul 24	$4.90	$0.10	49.00	$1315.10	$1339.90
1280/1290	1370/1380	Aug 7	$9.80	$0.20	49.00	$1280.20	$1379.80
1300/1310	1360/1370	Aug 21	$9.80	$0.20	49.00	$1300.20	$1369.80
1320/1330	1380/1385	Aug 21	$9.80	$0.20	49.00	$1320.20	$1389.80
1315/1325	1360/1370	Aug 28	$9.80	$0.20	49.00	$1315.20	$1369.80
1300/1310	1370/1385	Aug 14	$14.65	$0.35	41.86	$1295.35	$1384.65
1330/1340	1370/1385	Aug 14	$14.65	$0.35	41.86	$1325.35	$1384.65
1290/1300	1390/1400	Aug 7	$9.75	$0.25	39.00	$1290.25	$1399.75
1315/1325	1390/1400	Aug 14	$9.75	$0.25	39.00	$1315.25	$1399.75

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 327 found (best R:R 199.00, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$1700.00	$1710.00	$1720.00	Aug 14	$0.05	$9.95	199.00
$1350.00	$1360.00	$1370.00	Aug 21	$0.05	$9.95	199.00
$1850.00	$1860.00	$1870.00	Aug 21	$0.05	$9.95	199.00
$1840.00	$1845.00	$1850.00	Jul 24	$0.05	$4.95	99.00
$1880.00	$1885.00	$1890.00	Jul 24	$0.05	$4.95	99.00

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$1450.00	$1460.00	$1470.00	Jul 31	$0.05	$9.95	199.00
$1730.00	$1750.00	$1770.00	Aug 21	$0.15	$19.85	132.33
$1620.00	$1625.00	$1630.00	Jul 31	$0.05	$4.95	99.00
$1350.00	$1355.00	$1360.00	Aug 7	$0.05	$4.95	99.00
$1385.00	$1390.00	$1395.00	Aug 28	$0.05	$4.95	99.00

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

No setups found for this strategy

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 266 found (best yield 18.37%, avg 8.55%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$1590.00	Aug 28	$292.00	0.59	0.0%	18.37%	18.41%	4	2
$1595.00	Aug 28	$288.30	0.59	0.3%	18.14%	18.49%	100	5
$1600.00	Aug 28	$287.20	0.59	0.7%	18.07%	18.74%	105	15
$1615.00	Aug 28	$279.10	0.58	1.6%	17.56%	19.17%	90	1
$1620.00	Aug 28	$277.60	0.58	1.9%	17.47%	19.39%	19	11
$1625.00	Aug 28	$274.70	0.58	2.2%	17.28%	19.52%	8	--
$1630.00	Aug 28	$272.90	0.57	2.5%	17.17%	19.72%	2	8
$1600.00	Aug 21	$271.00	0.58	0.7%	17.05%	17.72%	308	722
$1590.00	Aug 21	$270.30	0.58	0.0%	17.01%	17.04%	47	105
$1645.00	Aug 28	$265.10	0.56	3.5%	16.68%	20.18%	3	3

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 67,436

Total Puts 89,734

Put/Call Ratio 1.33

Net Difference -22,298

Prior's Put/Call Breakdown

Total Calls 59,237

Total Puts 92,920

Put/Call Ratio 1.57

Net Difference -33,683

Prior 7-Day Put/Call Summary

Total Calls 704,832

Total Puts 697,526

Average Put/Call Ratio 1.07

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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