Tour v452
ALGN
ALIGN TECHNOLOGY INC
$175.60 +4.49%
(7/28 14:05) ◀
|
Tuesday, July 28, 2026 (6:00pm)
January 2026
|
▶ (7/29 14:05)
◀ 7/28 18:00 ▶

Option Volume

Detail
ℹ
Current (07/28) 1,056
Calls: 415 (39%)
Puts: 641 (61%)
Prior (07/27) 1,197
Calls: 171 (14%)
Puts: 1,026 (86%)
Current vs Prior -11.78%
Calls: +142.69% (Calls)
Puts: -37.52% (Puts)
Prior 7-Day Total 8,545
Calls: 4,013 (47%)
Puts: 4,532 (53%)
Prior 7-Day Average 1,220
Calls: 573 (47%)
Puts: 647 (53%)
Current vs Prior 7-Day Avg -13.49%
Calls: -27.61%
Puts: -0.99%
Sentiment BEARISH

Dollar Volume

Detail
ℹ
Current (07/28) $1.29M
Calls: $581.7K (45%)
Puts: $708.5K (55%)
Prior (07/27) $1.02M
Calls: $165.5K (16%)
Puts: $858.3K (84%)
Current vs Prior +26.02%
Calls: +251.48%
Puts: -17.45%
Prior 7-Day Total $4.57M
Calls: $2.10M (46%)
Puts: $2.47M (54%)
Prior 7-Day Average $653.3K
Calls: $300.1K (46%)
Puts: $353.2K (54%)
Current vs Prior 7-Day Avg +97.48%
Calls: +93.81%
Puts: +100.60%
Sentiment BEARISH

Put/Call Ratio

Detail
ℹ
Current (07/28) 1.54
Prior (07/27) 6.00
Current vs Prior -74.26%
Prior 7-Day Average 1.51
Current vs Prior 7-Day Avg +2.19%
Sentiment BEARISH

Open Interest

Detail
ℹ
Current (07/28) 28,613
Calls: 14,543 (51%)
Puts: 14,070 (49%)
Prior (07/27) 2,799
Calls: 864 (31%)
Puts: 1,935 (69%)
Current vs Prior +922.26%
Prior 7-Day Total 90,493
Calls: 48,240 (53%)
Puts: 42,253 (47%)
Prior 7-Day Average 12,927
Calls: 6,891 (53%)
Puts: 6,036 (47%)
Current vs Prior 7-Day Avg +121.33%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)
Current 11.96% | 12.70%14.12% | 17.28%
Prior 12.05% | 12.76%14.46% | 18.45%
Current vs Prior -0.76% | -0.51%-2.33% | -6.31%
Prior 7-Day Avg 6.21% | 11.54%12.42% | 17.44%
Current vs 7-Day Avg +92.72% | +10.02%+13.67% | -0.90%
Prior 7-Day Eod 12.05% | 12.76%14.46% | 18.45%
Current vs 7-Day Eod -0.76% | -0.51%-2.33% | -6.31%
Sentiment BULLISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 14.86% | 11.12%
Calls: 18.18% | 12.09%
Puts: 11.54% | 10.14%
Prior 61.23% | 66.57%
Calls: 38.20% | 73.68%
Puts: 84.26% | 59.46%
Current vs Prior -75.73% | -83.30%
Prior 7-Day Avg 61.23% | 66.57%
Calls: 38.20% | 73.68%
Puts: 84.26% | 59.46%
Current vs 7-Day Avg -75.73% | -83.30%
Liquidity Expensive
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🤖 AI Insights

Dollar volume significantly above 7-day average (97% higher). Extreme bearish P/C ratio of 1.54 - heavy put buying. P/C ratio dropping 74% - sentiment shifting bullish. Rising open interest (up 922%) indicates new positions being established.

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

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 5 of results (avg 7.9%, best 6.4%)

CALLS (1)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$175.00Aug 2111.6012.80$12.209.8%90.5413
PUTS (4)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$180.00Aug 2113.7014.60$14.156.4%90.5338
$182.50Aug 2115.0016.00$15.506.5%50.56--
$167.50Aug 217.708.30$8.007.5%620.36--
$177.50Aug 2112.0013.20$12.609.5%50.502

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. 16 found (avg delta 0.58, highest 0.71)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$160.00Sep 419.0024.80$21.9026.5%150.7115
$165.00Aug 2116.0018.70$17.3515.6%20.675
$167.50Aug 2114.6017.60$16.1018.6%30.641
$170.00Aug 1413.1015.10$14.1014.2%20.622
$170.00Jul 3112.0013.40$12.7011.0%30.6112
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$185.00Aug 2116.3018.20$17.2511.0%30.6044
$182.50Aug 2115.0016.00$15.506.5%50.56--
$180.00Aug 2113.7014.60$14.156.4%90.5338
$180.00Aug 1412.7015.30$14.0018.6%--0.5317
$180.00Aug 2811.1017.90$14.5046.9%--0.5222

Most actively traded options today. High liquidity = easy entry/exit. 42 active (total vol 528, top 118)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$200.00Aug 213.003.90$3.4526.1%1020.23250
$185.00Aug 216.608.20$7.4021.6%600.4027
$205.00Jul 311.202.00$1.6050.0%210.14216
$160.00Sep 419.0024.80$21.9026.5%150.7115
$175.00Aug 2111.6012.80$12.209.8%90.5413
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$157.50Aug 73.304.60$3.9532.9%1180.233
$167.50Aug 217.708.30$8.007.5%620.36--
$160.00Aug 73.905.20$4.5528.6%250.2610
$170.00Aug 77.308.70$8.0017.5%200.396
$180.00Aug 2113.7014.60$14.156.4%90.5338

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 22 strikes (avg 124.5%, max 176.2%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$200.00Jul 31Aug 21173.1%62.7%176.2%102263
$210.00Jul 31Aug 21190.9%73.1%161.0%--113
$205.00Jul 31Aug 21153.0%62.6%144.5%21274
$185.00Jul 31Aug 21154.8%63.4%144.2%6049
$190.00Jul 31Aug 21154.5%63.3%143.8%1309
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$157.50Jul 31Aug 21169.2%67.5%150.5%39
$167.50Jul 31Aug 21162.4%65.5%147.8%62822
$150.00Jul 31Aug 21171.6%69.4%147.1%619
$160.00Jul 31Aug 21163.9%67.0%144.8%41.4K
$170.00Jul 31Aug 21159.5%66.9%138.4%333

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 54 found (best R:R 26.03, avg 2.68)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$190.00$210.00Aug 7$1.87$18.13$1.879.70$191.87
$200.00$205.00Aug 21$0.82$4.18$0.825.10$200.82
$195.00$200.00Aug 21$1.00$4.00$1.004.00$196.00
$185.00$187.50Jul 31$0.65$1.85$0.652.85$185.65
$180.00$182.50Aug 21$0.70$1.80$0.702.57$180.70
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$155.00$145.00Aug 7$0.37$9.63$0.3726.03$154.63
$160.00$155.00Aug 14$0.37$4.63$0.3712.51$159.63
$155.00$152.50Jul 31$0.35$2.15$0.356.14$154.65
$160.00$157.50Jul 31$0.45$2.05$0.454.56$159.55
$155.00$150.00Aug 21$1.07$3.93$1.073.67$153.93

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 55 found (best R:R 2.33, avg 0.73)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$175.00$177.50Aug 21$1.65$1.65$0.851.94$176.65
$172.50$175.00Jul 31$1.55$1.55$0.951.63$174.05
$167.50$170.00Aug 21$1.55$1.55$0.951.63$169.05
$182.50$185.00Aug 21$1.40$1.40$1.101.27$183.90
$170.00$172.50Jul 31$1.30$1.30$1.201.08$171.30
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$185.00$182.50Aug 21$1.75$1.75$0.752.33$183.25
$180.00$177.50Aug 21$1.55$1.55$0.951.63$178.45
$157.50$155.00Jul 31$1.50$1.50$1.001.50$156.00
$170.00$167.50Aug 21$1.35$1.35$1.151.17$168.65
$182.50$180.00Aug 21$1.35$1.35$1.151.17$181.15

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 22 found (avg debit $0.98, cheapest $0.15)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$180.00Jul 31Aug 7$0.55157.4%91.0%
$190.00Jul 31Aug 7$0.55154.5%89.8%
$210.00Jul 31Aug 7$0.58190.9%111.8%
$172.50Jul 31Aug 7$0.65157.6%89.8%
$185.00Jul 31Aug 7$0.65154.8%90.5%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$180.00Aug 14Aug 21$0.1570.6%64.7%
$157.50Jul 31Aug 7$0.35169.2%95.4%
$160.00Jul 31Aug 7$0.50163.9%93.9%
$170.00Jul 31Aug 7$0.50159.5%90.5%
$155.00Jul 31Aug 7$0.90147.6%91.7%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 11 found (cheapest 11.36% of stock, avg 13.22%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$172.50Jul 31$11.40$8.55$19.95$152.55$192.4511.36%
$170.00Jul 31$12.70$7.50$20.20$149.80$190.2011.50%
$180.00Aug 14$8.95$14.00$22.95$157.05$202.9513.07%
$177.50Aug 21$10.55$12.60$23.15$154.35$200.6513.18%
$180.00Aug 21$9.50$14.15$23.65$156.35$203.6513.47%
$175.00Aug 21$12.20$11.55$23.75$151.25$198.7513.53%
$170.00Aug 21$14.55$9.35$23.90$146.10$193.9013.61%
$167.50Aug 21$16.10$8.00$24.10$143.40$191.6013.72%
$182.50Aug 21$8.80$15.50$24.30$158.20$206.8013.84%
$185.00Aug 21$7.40$17.25$24.65$160.35$209.6514.04%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 84 found (cheapest 3.41% of stock, avg 7.91%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$210.00$155.00Aug 7$2.98$3.00$5.98$149.02$215.98
$210.00$157.50Aug 7$2.98$3.95$6.93$150.57$216.93
$195.00$155.00Aug 14$3.78$3.58$7.36$147.64$202.36
$210.00$160.00Aug 7$2.98$4.55$7.53$152.47$217.53
$195.00$160.00Aug 14$3.78$3.95$7.73$152.27$202.73
$190.00$155.00Aug 7$4.85$3.00$7.85$147.15$197.85
$200.00$155.00Aug 14$4.33$3.58$7.91$147.09$207.91
$200.00$160.00Aug 14$4.33$3.95$8.28$151.72$208.28
$190.00$157.50Aug 7$4.85$3.95$8.80$148.70$198.80
$185.00$155.00Aug 7$6.40$3.00$9.40$145.60$194.40

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 164 found (best R:R 24.00, avg credit $2.50)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
165/168170/172Jul 31$2.40$0.1024.00$165.10$172.40
160/162172/175Jul 31$2.35$0.1515.67$160.15$174.85
158/160175/178Aug 21$2.35$0.1515.67$157.65$177.35
155/158188/190Jul 31$2.30$0.2011.50$155.20$189.80
165/168175/178Jul 31$2.25$0.259.00$165.25$177.25
160/168170/180Aug 14$9.00$1.009.00$158.50$179.00
155/158175/178Aug 21$2.25$0.259.00$155.25$177.25
158/160168/170Aug 21$2.25$0.259.00$157.75$169.75
165/168175/178Aug 21$2.25$0.259.00$165.25$177.25
170/175180/185Aug 7$4.45$0.558.09$170.55$184.45

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 23 found (best R:R 32.33, cheapest $0.10)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$185.00$190.00$195.00Aug 21$0.15$4.8532.33
$195.00$200.00$205.00Aug 21$0.18$4.8226.78
$195.00$197.50$200.00Jul 31$0.10$2.4024.00
$175.00$177.50$180.00Jul 31$0.15$2.3515.67
$180.00$182.50$185.00Jul 31$0.15$2.3515.67
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$155.00$157.50$160.00Aug 21$0.10$2.4024.00
$167.50$170.00$172.50Jul 31$0.15$2.3515.67
$157.50$160.00$162.50Jul 31$0.35$2.156.14
$180.00$182.50$185.00Aug 21$0.40$2.105.25
$162.50$165.00$167.50Jul 31$0.45$2.054.56

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 26 found (best net $-1.11, 25 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$190.00$210.001:2Aug 7-$1.11$18.89
$170.00$180.001:2Aug 14-$3.80$6.20
$200.00$205.001:2Jul 31-$0.07$4.93
$190.00$195.001:2Jul 31-$0.96$4.04
$200.00$205.001:2Aug 21-$1.81$3.19
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$180.00$167.501:2Aug 14-$1.60$10.90
$170.00$160.001:2Aug 7-$1.10$8.90
$155.00$145.001:2Aug 7-$2.26$7.74
$167.50$160.001:2Aug 14-$0.10$7.40
$155.00$150.001:2Aug 21-$1.96$3.04

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 24 found (best yield 5.41%, avg 2.85%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$177.50Aug 21$9.500.501.1%5.41%6.49%12
$177.50Aug 7$8.700.491.1%4.95%6.04%13
$180.00Aug 21$8.500.472.5%4.84%7.35%419
$177.50Jul 31$8.100.491.1%4.61%5.69%42
$180.00Aug 7$7.700.452.5%4.38%6.89%--14
$180.00Aug 14$7.500.472.5%4.27%6.78%21
$182.50Aug 21$7.500.443.9%4.27%8.20%5--
$180.00Jul 31$7.000.452.5%3.99%6.49%116
$185.00Aug 21$6.600.405.3%3.76%9.11%6027
$182.50Jul 31$6.100.413.9%3.47%7.40%--17

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 415
Total Puts 641
Put/Call Ratio 1.54
Net Difference -226

Prior's Put/Call Breakdown

Total Calls 171
Total Puts 1,026
Put/Call Ratio 6.00
Net Difference -855

Prior 7-Day Put/Call Summary

Total Calls 4,013
Total Puts 4,532
Average Put/Call Ratio 1.51
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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Chart Title

Price — Past 7 Days

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