Tour v528
SNDK
SANDISK CORP
$1766.64 -1.41%
$1774.89 (+0.47%)🌙
as of 09/21 07:02 PM
(9/18 19:02) ◀
|
Monday, September 21, 2026 (7:02pm)
January 2026
|
▶
◀ 9/21 19:02

Option Volume

Detail
ℹ
Current (09/21) 135,481
Calls: 77,587 (57%)
Puts: 57,894 (43%)
Prior (09/18) 435,958
Calls: 253,907 (58%)
Puts: 182,051 (42%)
Current vs Prior -68.92%
Calls: -69.44% (Calls)
Puts: -68.20% (Puts)
Prior 7-Day Total 1,827,700
Calls: 1,069,262 (59%)
Puts: 758,438 (41%)
Prior 7-Day Average 261,100
Calls: 152,751 (59%)
Puts: 108,348 (41%)
Current vs Prior 7-Day Avg -48.11%
Calls: -49.21%
Puts: -46.57%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (09/21) $551.18M
Calls: $346.14M (63%)
Puts: $205.05M (37%)
Prior (09/18) $2.18B
Calls: $2.04B (94%)
Puts: $141.61M (6%)
Current vs Prior -74.73%
Calls: -83.03%
Puts: +44.80%
Prior 7-Day Total $6.66B
Calls: $5.10B (77%)
Puts: $1.56B (23%)
Prior 7-Day Average $951.80M
Calls: $729.00M (77%)
Puts: $222.81M (23%)
Current vs Prior 7-Day Avg -42.09%
Calls: -52.52%
Puts: -7.97%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (09/21) 0.75
Prior (09/18) 0.72
Current vs Prior +4.07%
Prior 7-Day Average 0.71
Current vs Prior 7-Day Avg +5.81%
Sentiment NEUTRAL

Open Interest

Detail
ℹ
Current (09/21) 153,907
Calls: 72,179 (47%)
Puts: 81,728 (53%)
Prior (09/18) 277,090
Calls: 130,978 (47%)
Puts: 146,112 (53%)
Current vs Prior -44.46%
Prior 7-Day Total 1,728,750
Calls: 823,307 (48%)
Puts: 905,443 (52%)
Prior 7-Day Average 246,964
Calls: 117,615 (48%)
Puts: 129,349 (52%)
Current vs Prior 7-Day Avg -37.68%
Sentiment BULLISH

Expected Move

Detail
ℹ
Expiry (09/25) | Next (10/02)Expiry (10/16) | Next (11/20)
Current 6.29% | 10.68%15.20% | 24.82%
Prior 7.29% | 11.26%0.85% | 16.00%
Current vs Prior -13.82% | -5.09%+1679.54% | +55.15%
Prior 7-Day Avg 6.01% | 10.02%7.61% | 18.36%
Current vs 7-Day Avg +4.60% | +6.66%+99.72% | +35.18%
Prior 7-Day Eod 7.29% | 11.26%0.85% | 16.00%
Current vs 7-Day Eod -13.82% | -5.09%+1679.54% | +55.15%
Sentiment BULLISHBEARISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 0.97% | 2.79%
Calls: 0.98% | 2.47%
Puts: 0.96% | 3.11%
Prior 0.97% | 2.79%
Calls: 0.98% | 2.47%
Puts: 0.96% | 3.11%
Current vs Prior +0.00% | +0.00%
Prior 7-Day Avg 1.73% | 1.31%
Calls: 1.74% | 1.18%
Puts: 1.73% | 1.43%
Current vs 7-Day Avg -44.07% | +112.98%
Liquidity Excellent
+
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🤖 AI Insights

Moderately bullish flow with 63% call dollar volume ($346.14M). Light premium activity with dollar volume down 75% vs prior. Below-average activity with volume down 69% vs prior. Declining open interest (down 44%) indicates positions being closed.

Smart Money BULLISH
Retail Flow BULLISH
Overall BULLISH
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BULLISH
Prior BULLISH
7-Day Avg BULLISH
Current BULLISH
Prior BULLISH
7-Day Avg NEUTRAL
Current NEUTRAL
Prior NEUTRAL
7-Day Avg NEUTRAL
Current NEUTRAL
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 631 of results (avg 6.6%, best 1.5%)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1770.00Sep 2554.5055.30$54.901.5%1.4K0.51207
$2000.00Sep 256.406.50$6.451.6%8.3K0.091.2K
$2000.00Oct 1659.5060.70$60.102.0%1.3K0.301.6K
$1600.00Oct 16227.10231.90$229.502.1%370.74811
$1630.00Oct 16207.30212.40$209.852.4%110.70426
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1940.00Oct 16239.30244.80$242.052.3%10.6518
$1900.00Oct 16210.60216.30$213.452.7%730.61146
$1750.00Oct 16120.20123.60$121.902.8%1200.44201
$2020.00Oct 2272.20279.90$276.052.8%10.812
$1860.00Oct 16183.60188.80$186.202.8%430.5677

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. 341 found (avg delta 0.70, highest 1.00)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1425.00Sep 25335.90349.80$342.854.1%80.9932
$1430.00Sep 25331.60344.90$338.253.9%10.9917
$1450.00Sep 25311.10325.10$318.104.4%30.9878
$1485.00Sep 25277.40290.60$284.004.6%200.9869
$1495.00Sep 25266.80280.80$273.805.1%10.97--
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$2100.00Sep 25328.70342.60$335.654.1%131.00--
$2110.00Sep 25338.50352.40$345.454.0%11.00--
$2090.00Sep 25318.90332.90$325.904.3%10.94--
$2080.00Sep 25309.10322.60$315.854.3%10.932
$2060.00Sep 25289.70303.70$296.704.7%20.93--

Most actively traded options today. High liquidity = easy entry/exit. 942 active (total vol 118.2K, top 8.3K)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$2000.00Sep 256.406.50$6.451.6%8.3K0.091.2K
$1800.00Sep 2540.6042.40$41.504.3%7.3K0.421.8K
$1900.00Sep 2516.2016.90$16.554.2%3.4K0.211.3K
$1850.00Sep 2526.0026.90$26.453.4%3.0K0.30800
$1950.00Sep 2510.0010.60$10.305.8%2.5K0.14827
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1700.00Sep 2526.1027.90$27.006.7%3.2K0.301.0K
$1600.00Sep 256.807.50$7.159.8%2.6K0.10848
$1800.00Sep 2572.0074.90$73.453.9%1.9K0.58172
$1750.00Sep 2544.7047.70$46.206.5%1.7K0.43300
$1500.00Sep 251.652.00$1.8319.1%1.4K0.032.4K

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 101 strikes (avg 5.1%, max 11.4%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$1895.00Sep 25Oct 2381.8%74.1%10.4%18140
$1910.00Sep 25Oct 2381.8%74.7%9.4%173100
$1940.00Sep 25Oct 3083.5%76.6%9.0%366144
$1920.00Sep 25Oct 3082.9%76.3%8.7%304154
$1930.00Sep 25Oct 3083.1%76.5%8.5%215208
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$1940.00Sep 25Oct 1683.5%74.9%11.4%1419
$1710.00Sep 25Oct 2376.7%70.3%9.2%166105
$1900.00Sep 25Oct 1680.9%74.3%8.9%186221
$1690.00Sep 25Oct 2375.9%70.4%7.8%313131
$1685.00Sep 25Oct 2375.7%70.4%7.5%13479

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 705 found (best R:R 0.51, avg 4.16)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$1500.00$1570.00Oct 30$46.40$23.60$46.4079%0.51$1546.40
$1605.00$1650.00Oct 30$26.80$18.20$26.8070%0.68$1631.80
$1900.00$1920.00Oct 30$4.45$15.55$4.4543%3.49$1904.45
$2050.00$2100.00Oct 30$11.20$38.80$11.2032%3.46$2061.20
$1660.00$1700.00Oct 30$21.85$18.15$21.8565%0.83$1681.85
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$1880.00$1875.00Sep 25$1.95$3.05$1.9576%1.56$1878.05
$1820.00$1815.00Oct 2$1.00$4.00$1.0056%4.00$1819.00
$1900.00$1895.00Sep 25$2.40$2.60$2.4079%1.08$1897.60
$1900.00$1890.00Oct 2$5.40$4.60$5.4068%0.85$1894.60
$1850.00$1845.00Sep 25$2.15$2.85$2.1570%1.33$1847.85

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 551 found (best R:R 2.23, avg 0.54)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$1845.00$1850.00Oct 2$3.90$3.90$1.1060%3.55$1848.90
$1835.00$1840.00Oct 23$4.10$4.10$0.9052%4.56$1839.10
$1795.00$1800.00Oct 9$3.60$3.60$1.4051%2.57$1798.60
$1890.00$1900.00Oct 30$5.35$5.35$4.6556%1.15$1895.35
$1820.00$1825.00Oct 9$3.15$3.15$1.8554%1.70$1823.15
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$1425.00$1420.00Oct 23$3.45$3.45$1.5587%2.23$1421.55
$1505.00$1500.00Oct 23$3.35$3.35$1.6581%2.03$1501.65
$1520.00$1515.00Oct 23$3.15$3.15$1.8579%1.70$1516.85
$1455.00$1450.00Oct 23$2.75$2.75$2.2584%1.22$1452.25
$1545.00$1540.00Oct 23$3.05$3.05$1.9577%1.56$1541.95

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 60 found (avg debit $38.47, cheapest $76.55)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$1715.00Sep 25Oct 16$76.5575.2%70.7%
$1710.00Sep 25Oct 2$37.5076.7%74.8%
$1850.00Sep 25Oct 2$33.5078.5%76.8%
$1760.00Sep 25Oct 2$37.3576.4%75.5%
$1820.00Sep 25Oct 2$36.0077.9%77.1%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$1845.00Sep 25Oct 9$51.2578.6%74.7%
$1840.00Sep 25Oct 16$72.8077.7%73.8%
$1830.00Sep 25Oct 9$52.2078.1%74.8%
$1710.00Sep 25Oct 2$32.8576.7%74.8%
$1850.00Sep 25Oct 2$34.8078.5%76.8%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 239 found (cheapest 6.20% of stock, avg 12.43%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$1762.50Sep 25$57.75$51.80$109.55$1652.95$1872.056.20%
$1765.00Sep 25$56.50$53.40$109.90$1655.10$1874.906.22%
$1767.50Sep 25$55.40$54.55$109.95$1657.55$1877.456.22%
$1772.50Sep 25$52.90$57.25$110.15$1662.35$1882.656.23%
$1777.50Sep 25$50.40$59.60$110.00$1667.50$1887.506.23%
$1750.00Sep 25$64.45$46.20$110.65$1639.35$1860.656.26%
$1770.00Sep 25$54.90$56.15$111.05$1658.95$1881.056.29%
$1775.00Sep 25$52.15$59.20$111.35$1663.65$1886.356.30%
$1755.00Sep 25$62.45$49.05$111.50$1643.50$1866.506.31%
$1760.00Sep 25$59.60$51.95$111.55$1648.45$1871.556.31%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 150 found (cheapest 5.58% of stock, avg 12.72%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$1785.00$1762.50Sep 25$46.75$51.80$98.55$1663.95$1883.55
$1785.00$1765.00Sep 25$46.75$53.40$100.15$1664.85$1885.15
$1782.50$1762.50Sep 25$49.25$51.80$101.05$1661.45$1883.55
$1780.00$1762.50Sep 25$49.70$51.80$101.50$1661.00$1881.50
$1782.50$1765.00Sep 25$49.25$53.40$102.65$1662.35$1885.15
$1785.00$1767.50Sep 25$46.75$54.55$101.30$1666.20$1886.30
$1780.00$1765.00Sep 25$49.70$53.40$103.10$1661.90$1883.10
$1777.50$1762.50Sep 25$50.40$51.80$102.20$1660.30$1879.70
$1780.00$1767.50Sep 25$49.70$54.55$104.25$1663.25$1884.25
$1777.50$1765.00Sep 25$50.40$53.40$103.80$1661.20$1881.30

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

No iron condor setups found

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 362 found (best R:R 56.14, cheapest $0.05)

CALLS (5)
LowMidHighExpiryDebitMax GainPOPR:R
$1800.00$1820.00$1840.00Oct 16$0.35$19.654%56.14
$1650.00$1660.00$1670.00Oct 16$0.05$9.952%199.00
$1730.00$1735.00$1740.00Sep 25$0.05$4.953%99.00
$1845.00$1850.00$1855.00Sep 25$0.05$4.952%99.00
$1900.00$1910.00$1920.00Oct 23$0.10$9.902%99.00
PUTS (5)
LowMidHighExpiryDebitMax GainPOPR:R
$1750.00$1755.00$1760.00Sep 25$0.05$4.953%99.00
$1640.00$1645.00$1650.00Sep 25$0.05$4.952%99.00
$1860.00$1880.00$1900.00Oct 16$0.45$19.554%43.44
$1610.00$1615.00$1620.00Sep 25$0.05$4.952%99.00
$1750.00$1755.00$1760.00Oct 9$0.05$4.951%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. 55 found (best net $-0.37, 55 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$2080.00$2090.001:2Sep 25-$1.77$8.23
$2090.00$2100.001:2Sep 25-$2.16$7.84
$2070.00$2080.001:2Sep 25-$2.66$7.34
$2100.00$2110.001:2Sep 25-$2.56$7.44
$2050.00$2060.001:2Sep 25-$3.10$6.90
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$1425.00$1420.001:2Sep 25-$0.37$4.63
$1420.00$1415.001:2Sep 25-$0.59$4.41
$1430.00$1425.001:2Sep 25-$0.61$4.39
$1445.00$1440.001:2Sep 25-$0.66$4.34
$1450.00$1445.001:2Sep 25-$0.80$4.20

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 233 found (best yield 5.81%, avg 3.93%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$1950.00Oct 30$102.700.4010.4%5.81%16.19%326
$1930.00Oct 30$108.800.419.2%6.16%15.41%28
$1920.00Oct 30$111.000.428.7%6.28%14.96%3--
$1860.00Oct 30$131.300.475.3%7.43%12.72%122
$1890.00Oct 30$120.900.447.0%6.84%13.83%1--
$1940.00Oct 30$105.700.409.8%5.98%15.80%2--
$1960.00Oct 30$99.400.3910.9%5.63%16.57%2--
$1870.00Oct 30$127.200.465.8%7.20%13.05%1--
$1885.00Oct 30$121.400.456.7%6.87%13.57%2--
$1900.00Oct 30$117.000.437.5%6.62%14.17%1838

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 77,587
Total Puts 57,894
Put/Call Ratio 0.75
Net Difference 19,693

Prior's Put/Call Breakdown

Total Calls 253,907
Total Puts 182,051
Put/Call Ratio 0.72
Net Difference 71,856

Prior 7-Day Put/Call Summary

Total Calls 1,069,262
Total Puts 758,438
Average Put/Call Ratio 0.71
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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