Tour v477
SNDK
SANDISK CORP
$1214.83 -5.09%
$1206.67 (-0.67%)🌙
as of 07/31 07:09 PM
(7/30 19:32) ◀
|
Friday, July 31, 2026 (7:09pm)
January 2026
|
▶ (8/3 18:54)
◀ 7/31 19:09 ▶

Option Volume

Detail
ℹ
Current (07/31) 330,251
Calls: 178,494 (54%)
Puts: 151,757 (46%)
Prior (07/30) 262,069
Calls: 145,173 (55%)
Puts: 116,896 (45%)
Current vs Prior +26.02%
Calls: +22.95% (Calls)
Puts: +29.82% (Puts)
Prior 7-Day Total 1,201,973
Calls: 590,252 (49%)
Puts: 611,721 (51%)
Prior 7-Day Average 171,710
Calls: 84,321 (49%)
Puts: 87,388 (51%)
Current vs Prior 7-Day Avg +92.33%
Calls: +111.68%
Puts: +73.66%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (07/31) $968.01M
Calls: $449.76M (46%)
Puts: $518.26M (54%)
Prior (07/30) $1.33B
Calls: $958.11M (72%)
Puts: $367.64M (28%)
Current vs Prior -26.98%
Calls: -53.06%
Puts: +40.97%
Prior 7-Day Total $6.79B
Calls: $2.95B (44%)
Puts: $3.83B (56%)
Prior 7-Day Average $969.29M
Calls: $422.06M (44%)
Puts: $547.23M (56%)
Current vs Prior 7-Day Avg -0.13%
Calls: +6.56%
Puts: -5.29%
Sentiment BEARISH

Put/Call Ratio

Detail
ℹ
Current (07/31) 0.85
Prior (07/30) 0.81
Current vs Prior +5.59%
Prior 7-Day Average 1.15
Current vs Prior 7-Day Avg -26.13%
Sentiment NEUTRAL

Open Interest

Detail
ℹ
Current (07/31) 350,346
Calls: 157,342 (45%)
Puts: 193,004 (55%)
Prior (07/30) 335,362
Calls: 152,571 (45%)
Puts: 182,791 (55%)
Current vs Prior +4.47%
Prior 7-Day Total 2,006,904
Calls: 759,032 (38%)
Puts: 1,247,872 (62%)
Prior 7-Day Average 286,700
Calls: 108,433 (38%)
Puts: 178,267 (62%)
Current vs Prior 7-Day Avg +22.20%
Sentiment BULLISH

Expected Move

Detail
ℹ
Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)
Current 1.46% | 19.13%27.15% | 36.45%
Prior 9.59% | 20.81%27.38% | 36.25%
Current vs Prior +99.35% | +13.88%-0.83% | +0.57%
Prior 7-Day Avg 11.07% | 21.55%30.23% | 38.94%
Current vs 7-Day Avg +72.72% | +10.01%-10.19% | -6.38%
Prior 7-Day Eod 9.59% | 20.81%27.38% | 36.25%
Current vs 7-Day Eod +99.35% | +13.88%-0.83% | +0.57%
Sentiment BEARISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 3.20% | 3.48%
Calls: 4.30% | 3.85%
Puts: 2.10% | 3.10%
Prior 3.20% | 3.48%
Calls: 4.30% | 3.85%
Puts: 2.10% | 3.10%
Current vs Prior +0.00% | +0.00%
Prior 7-Day Avg 4.69% | 3.67%
Calls: 5.56% | 4.14%
Puts: 3.81% | 3.20%
Current vs 7-Day Avg -31.71% | -5.14%
Liquidity Acceptable
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🤖 AI Insights

Volume explosion - 92% above 7-day average (330,251 vs avg 171,710).

Smart Money BEARISH
Retail Flow BULLISH
Overall BULLISH
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BEARISH
Prior BULLISH
7-Day Avg BEARISH
Current NEUTRAL
Prior BULLISH
7-Day Avg NEUTRAL
Current NEUTRAL
Prior NEUTRAL
7-Day Avg NEUTRAL
Current BEARISH
Prior NEUTRAL
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

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 637 of results (avg 6.3%, best 2.2%)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1050.00Aug 21248.30255.60$251.952.9%60.73228
$1090.00Aug 21224.00231.30$227.653.2%20.6967
$1000.00Aug 21279.40288.60$284.003.2%90.77187
$1020.00Aug 21266.30275.20$270.753.3%80.75187
$1100.00Aug 21218.40225.80$222.103.3%110.68299
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1350.00Aug 21240.80246.20$243.502.2%40.56609
$1260.00Aug 21184.10188.70$186.402.5%110.47226
$1320.00Aug 21221.30227.10$224.202.6%150.53110
$1300.00Aug 21208.60214.20$211.402.6%3660.51766
$1340.00Aug 21233.90240.30$237.102.7%20.55--

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. 360 found (avg delta 0.71, highest 1.00)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$980.00Jul 31226.30240.80$233.556.2%21.00--
$985.00Jul 31222.00235.90$228.956.1%11.0017
$995.00Jul 31213.00224.50$218.755.3%81.0035
$1000.00Jul 31208.00221.30$214.656.2%1.9K1.002.1K
$1010.00Jul 31196.20210.90$203.557.2%11.0055
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1380.00Jul 31159.60172.80$166.207.9%1.1K1.00106
$1385.00Jul 31164.10177.00$170.557.6%451.00126
$1390.00Jul 31169.10182.00$175.557.3%4361.006.8K
$1395.00Jul 31174.10187.00$180.557.1%291.00185
$1400.00Jul 31180.40192.10$186.256.3%4981.00385

Most actively traded options today. High liquidity = easy entry/exit. 836 active (total vol 263.0K, top 20.2K)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1300.00Jul 310.000.05$0.03166.7%20.2K0.001.8K
$1400.00Jul 310.000.05$0.03166.7%10.2K0.006.6K
$1250.00Jul 310.150.20$0.1827.8%9.5K0.02765
$1350.00Jul 310.000.05$0.03166.7%7.3K0.001.8K
$1280.00Jul 310.000.05$0.03166.7%6.9K0.00282
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1100.00Jul 310.000.05$0.03166.7%13.3K0.008.2K
$1200.00Jul 311.351.80$1.5828.5%10.6K0.202.2K
$1150.00Jul 310.000.10$0.05200.0%5.8K0.011.1K
$1250.00Jul 3133.7041.80$37.7521.5%4.5K0.97734
$1220.00Jul 318.2014.20$11.2053.6%4.2K0.66174

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 189 strikes (avg 291.8%, max 1272.7%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$1015.00Jul 31Aug 141663.6%155.8%967.5%692
$1005.00Jul 31Aug 71735.9%180.2%863.6%685
$1010.00Jul 31Aug 281245.6%136.5%812.3%357
$1355.00Jul 31Sep 41138.2%131.6%765.0%219277
$980.00Jul 31Aug 211190.1%145.3%718.9%451
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$1005.00Jul 31Sep 111735.9%126.5%1272.7%114901
$975.00Jul 31Sep 111495.6%126.6%1081.6%246379
$980.00Jul 31Sep 111190.1%126.5%840.5%2321.1K
$1015.00Jul 31Aug 71663.6%180.1%823.7%45180
$1025.00Jul 31Sep 41202.7%131.7%813.3%235193

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 563 found (best R:R 49.00, avg 2.30)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$1430.00$1435.00Jul 31$0.12$4.88$0.1240.67$1430.12
$1255.00$1260.00Jul 31$0.13$4.87$0.1337.46$1255.13
$1265.00$1270.00Jul 31$0.15$4.85$0.1532.33$1265.15
$1410.00$1415.00Aug 7$0.20$4.80$0.2024.00$1410.20
$1445.00$1450.00Aug 7$0.35$4.65$0.3513.29$1445.35
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$1115.00$1110.00Jul 31$0.10$4.90$0.1049.00$1114.90
$1180.00$1175.00Jul 31$0.13$4.87$0.1337.46$1179.87
$1185.00$1180.00Jul 31$0.17$4.83$0.1728.41$1184.83
$1165.00$1160.00Jul 31$0.40$4.60$0.4011.50$1164.60
$985.00$980.00Aug 14$0.50$4.50$0.509.00$984.50

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 695 found (best R:R 49.00, avg 1.75)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$1120.00$1125.00Jul 31$4.80$4.80$0.2024.00$1124.80
$995.00$1000.00Aug 7$4.75$4.75$0.2519.00$999.75
$1040.00$1045.00Jul 31$4.70$4.70$0.3015.67$1044.70
$1065.00$1070.00Aug 7$4.70$4.70$0.3015.67$1069.70
$980.00$985.00Jul 31$4.60$4.60$0.4011.50$984.60
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$1405.00$1400.00Aug 14$4.90$4.90$0.1049.00$1400.10
$1240.00$1235.00Jul 31$4.85$4.85$0.1532.33$1235.15
$1275.00$1270.00Jul 31$4.85$4.85$0.1532.33$1270.15
$1390.00$1385.00Aug 21$4.85$4.85$0.1532.33$1385.15
$1345.00$1340.00Jul 31$4.75$4.75$0.2519.00$1340.25

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 193 found (avg debit $68.03, cheapest $21.75)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$1000.00Jul 31Aug 7$32.35842.0%179.9%
$995.00Jul 31Aug 7$33.00954.0%180.2%
$1005.00Jul 31Aug 7$35.851735.9%180.2%
$1010.00Jul 31Aug 7$36.301245.6%179.6%
$1020.00Jul 31Aug 7$38.30811.0%179.0%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$1062.50Aug 7Aug 14$21.75177.8%153.4%
$1067.50Aug 7Aug 14$23.05177.5%154.4%
$1072.50Aug 7Aug 14$23.35177.4%154.5%
$1082.50Aug 7Aug 14$24.15176.5%154.3%
$975.00Jul 31Aug 7$26.831495.6%181.5%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 329 found (cheapest 1.02% of stock, avg 21.04%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$1210.00Jul 31$8.50$3.90$12.40$1197.60$1222.401.02%
$1215.00Jul 31$5.80$9.20$15.00$1200.00$1230.001.23%
$1205.00Jul 31$12.55$2.73$15.28$1189.72$1220.281.26%
$1225.00Jul 31$2.50$12.95$15.45$1209.55$1240.451.27%
$1220.00Jul 31$4.70$11.20$15.90$1204.10$1235.901.31%
$1200.00Jul 31$16.00$1.58$17.58$1182.42$1217.581.45%
$1195.00Jul 31$19.10$0.90$20.00$1175.00$1215.001.65%
$1230.00Jul 31$1.90$18.75$20.65$1209.35$1250.651.70%
$1235.00Jul 31$1.08$21.45$22.53$1212.47$1257.531.85%
$1190.00Jul 31$24.75$1.00$25.75$1164.25$1215.752.12%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 175 found (cheapest 0.16% of stock, avg 22.53%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$1235.00$1195.00Jul 31$1.08$0.90$1.98$1193.02$1236.98
$1235.00$1190.00Jul 31$1.08$1.00$2.08$1187.92$1237.08
$1235.00$1200.00Jul 31$1.08$1.58$2.66$1197.34$1237.66
$1230.00$1195.00Jul 31$1.90$0.90$2.80$1192.20$1232.80
$1230.00$1190.00Jul 31$1.90$1.00$2.90$1187.10$1232.90
$1225.00$1195.00Jul 31$2.50$0.90$3.40$1191.60$1228.40
$1225.00$1190.00Jul 31$2.50$1.00$3.50$1186.50$1228.50
$1230.00$1200.00Jul 31$1.90$1.58$3.48$1196.52$1233.48
$1235.00$1205.00Jul 31$1.08$2.73$3.81$1201.19$1238.81
$1225.00$1200.00Jul 31$2.50$1.58$4.08$1195.92$1229.08

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 413 found (best R:R 49.00, avg credit $12.49)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
990/9951040/1045Aug 7$4.90$0.1049.00$990.10$1044.90
1040/10501100/1110Aug 21$9.80$0.2049.00$1040.20$1109.80
1060/10701100/1110Aug 21$9.80$0.2049.00$1060.20$1109.80
985/9901100/1110Aug 28$9.75$0.2539.00$980.25$1109.75
980/9851030/1035Aug 7$4.85$0.1532.33$980.15$1034.85
980/9851035/1040Aug 7$4.85$0.1532.33$980.15$1039.85
1015/10201040/1045Aug 7$4.85$0.1532.33$1015.15$1044.85
995/10001015/1020Aug 14$4.85$0.1532.33$995.15$1019.85
1010/10201075/1085Aug 14$9.70$0.3032.33$1010.30$1084.70
1070/10801090/1100Aug 21$9.70$0.3032.33$1070.30$1099.70

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 296 found (best R:R 199.00, cheapest $0.05)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$1290.00$1300.00$1310.00Aug 21$0.05$9.95199.00
$1080.00$1090.00$1100.00Aug 21$0.10$9.9099.00
$1260.00$1270.00$1280.00Aug 21$0.10$9.9099.00
$1385.00$1390.00$1395.00Aug 21$0.05$4.9599.00
$1435.00$1440.00$1445.00Jul 31$0.06$4.9482.33
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$1090.00$1100.00$1110.00Aug 21$0.05$9.95199.00
$1150.00$1160.00$1170.00Aug 21$0.05$9.95199.00
$1280.00$1290.00$1300.00Aug 21$0.05$9.95199.00
$1210.00$1250.00$1290.00Sep 4$0.35$39.65113.29
$1080.00$1085.00$1090.00Jul 31$0.05$4.9599.00

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 95 found (best net $--, 74 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$1295.00$1300.001:2Jul 31-$0.01$4.99
$1310.00$1315.001:2Jul 31-$0.01$4.99
$1375.00$1380.001:2Jul 31-$0.01$4.99
$1430.00$1435.001:2Jul 31-$0.01$4.99
$1440.00$1445.001:2Jul 31-$0.01$4.99
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$1140.00$1135.001:2Jul 31$0.00$5.00
$1155.00$1150.001:2Jul 31$0.00$5.00
$1130.00$1125.001:2Jul 31-$0.01$4.99
$1185.00$1180.001:2Jul 31-$0.01$4.99
$1040.00$1035.001:2Jul 31-$0.03$4.97

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 195 found (best yield 16.40%, avg 8.42%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$1220.00Sep 11$199.200.580.4%16.40%16.82%10--
$1240.00Sep 11$190.700.562.1%15.70%17.77%20--
$1220.00Sep 4$188.900.570.4%15.55%15.98%6--
$1250.00Sep 11$186.300.562.9%15.34%18.23%2--
$1230.00Sep 4$183.700.571.2%15.12%16.37%1--
$1260.00Sep 11$182.200.553.7%15.00%18.72%1--
$1240.00Sep 4$179.500.562.1%14.78%16.85%31
$1250.00Sep 4$176.800.552.9%14.55%17.45%355
$1260.00Sep 4$172.500.543.7%14.20%17.92%3323
$1220.00Aug 28$172.100.570.4%14.17%14.59%6--

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 178,494
Total Puts 151,757
Put/Call Ratio 0.85
Net Difference 26,737

Prior's Put/Call Breakdown

Total Calls 145,173
Total Puts 116,896
Put/Call Ratio 0.81
Net Difference 28,277

Prior 7-Day Put/Call Summary

Total Calls 590,252
Total Puts 611,721
Average Put/Call Ratio 1.15
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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Chart Title

Price — Past 7 Days

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