Tour v452
ALGN
ALIGN TECHNOLOGY INC
$173.37 +3.17%
(7/27 18:10) ◀
|
Tuesday, July 28, 2026 (2:05pm)
January 2026
|
▶ (7/28 18:00)
◀ 7/28 14:05 ▶

Option Volume

Detail
ℹ
Current (07/28 2:05pm) 625
Calls: 299 (48%)
Puts: 326 (52%)
Prior (04/29) 1,408
Calls: 576 (41%)
Puts: 832 (59%)
Current vs Prior -55.61%
Calls: -48.09% (Calls)
Puts: -60.82% (Puts)
Prior 7-Day Total 2,792
Calls: 1,172 (42%)
Puts: 1,620 (58%)
Prior 7-Day Average 1,396
Calls: 167 (42%)
Puts: 231 (58%)
Current vs Prior 7-Day Avg -55.23%
Calls: +78.58%
Puts: +40.86%
Sentiment BEARISH

Dollar Volume

Detail
ℹ
Current (07/28 2:05pm) $681.1K
Calls: $451.0K (66%)
Puts: $230.2K (34%)
Prior (04/29) $596.2K
Calls: $302.6K (51%)
Puts: $293.6K (49%)
Current vs Prior +14.26%
Calls: +49.03%
Puts: -21.59%
Prior 7-Day Total $1.24M
Calls: $729.9K (59%)
Puts: $509.1K (41%)
Prior 7-Day Average $619.5K
Calls: $104.3K (59%)
Puts: $72.7K (41%)
Current vs Prior 7-Day Avg +9.95%
Calls: +332.47%
Puts: +216.51%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (07/28 2:05pm) 1.09
Prior (04/29) 1.44
Current vs Prior -24.52%
Prior 7-Day Average 1.38
Current vs Prior 7-Day Avg -21.18%
Sentiment BEARISH

Open Interest

Detail
ℹ
Current (07/28 2:05pm) 28,613
Calls: 14,543 (51%)
Puts: 14,070 (49%)
Prior (04/29) 31,518
Calls: 14,088 (45%)
Puts: 17,430 (55%)
Current vs Prior -9.22%
Prior 7-Day Total 62,255
Calls: 27,790 (45%)
Puts: 34,465 (55%)
Prior 7-Day Average 31,127
Calls: 13,895 (45%)
Puts: 17,232 (55%)
Current vs Prior 7-Day Avg -8.08%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)
Current 12.03% | 12.46%13.99% | 17.13%
Prior 10.80% | 11.68%-- | --
Current vs Prior +11.34% | +6.66%-- | --
Prior 7-Day Avg 10.66% | 11.37%-- | --
Current vs 7-Day Avg +12.79% | +9.59%-- | --
Prior 7-Day Eod 10.80% | 11.68%-- | --
Current vs 7-Day Eod +11.34% | +6.66%-- | --
Sentiment BEARISH--

Relative Spread

Detail
ℹ
Expiry | Next
Current 14.86% | 11.12%
Calls: 18.18% | 12.09%
Puts: 11.54% | 10.14%
Prior 16.27% | 14.52%
Calls: 16.49% | 15.96%
Puts: 16.04% | 13.07%
Current vs Prior -8.67% | -23.42%
Prior 7-Day Avg 16.27% | 14.52%
Calls: 16.49% | 15.96%
Puts: 16.04% | 13.07%
Current vs 7-Day Avg -8.67% | -23.42%
Liquidity Expensive
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🤖 AI Insights

Moderately bullish flow with 66% call dollar volume ($451.0K). Below-average activity with volume down 56% vs prior. Slightly bearish P/C ratio of 1.09. P/C ratio dropping 25% - sentiment shifting bullish.

Smart Money BULLISH
Retail Flow NEUTRAL
Overall MIXED
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BULLISH
Prior BULLISH
7-Day Avg BULLISH
Current NEUTRAL
Prior BEARISH
7-Day Avg NEUTRAL
Current NEUTRAL
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 4 of results (avg 8.7%, best 7.7%)

CALLS (3)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$167.50Aug 2114.2015.50$14.858.8%30.621
$170.00Aug 2112.9014.10$13.508.9%60.5816
$170.00Aug 1412.1013.30$12.709.4%20.582
PUTS (1)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$185.00Aug 2117.4018.80$18.107.7%30.6244

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. 15 found (avg delta 0.58, highest 0.70)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$160.00Sep 419.9022.60$21.2512.7%150.7015
$165.00Aug 2115.6017.60$16.6012.0%20.655
$167.50Aug 2114.2015.50$14.858.8%30.621
$170.00Jul 3110.8012.60$11.7015.4%30.5912
$170.00Aug 1412.1013.30$12.709.4%20.582
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$185.00Aug 2117.4018.80$18.107.7%30.6244
$182.50Aug 2115.8017.60$16.7010.8%50.58--
$180.00Aug 1413.5015.60$14.5514.4%--0.5617
$180.00Aug 2114.1015.60$14.8510.1%90.5638
$180.00Aug 2814.5017.10$15.8016.5%--0.5522

Most actively traded options today. High liquidity = easy entry/exit. 38 active (total vol 432, top 118)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$200.00Aug 212.803.90$3.3532.8%1000.22250
$160.00Sep 419.9022.60$21.2512.7%150.7015
$170.00Aug 2112.9014.10$13.508.9%60.5816
$175.00Jul 318.3010.00$9.1518.6%50.51219
$182.50Aug 217.309.00$8.1520.9%50.42--
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$157.50Aug 73.604.60$4.1024.4%1180.243
$167.50Aug 217.909.10$8.5014.1%620.39--
$160.00Aug 74.305.50$4.9024.5%250.2710
$170.00Aug 78.008.90$8.4510.7%200.426
$180.00Aug 2114.1015.60$14.8510.1%90.5638

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 21 strikes (avg 123.0%, max 170.2%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$200.00Jul 31Aug 21174.6%64.6%170.2%100263
$205.00Jul 31Aug 21145.3%56.8%155.7%4274
$195.00Jul 31Aug 21157.9%64.5%144.7%--118
$190.00Jul 31Aug 21156.7%64.2%144.0%1309
$180.00Jul 31Aug 21153.2%64.8%136.4%535
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$160.00Jul 31Aug 21159.6%65.5%143.7%21.4K
$167.50Jul 31Aug 21155.6%64.4%141.6%62822
$155.00Jul 31Aug 21162.6%67.8%139.8%2100
$157.50Jul 31Aug 21164.4%69.4%136.8%39
$150.00Jul 31Aug 21161.7%68.3%136.7%619

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 56 found (best R:R 11.20, avg 2.55)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$195.00$200.00Aug 21$0.95$4.05$0.954.26$195.95
$185.00$187.50Jul 31$0.50$2.00$0.504.00$185.50
$195.00$200.00Aug 14$1.02$3.98$1.023.90$196.02
$190.00$195.00Jul 31$1.05$3.95$1.053.76$191.05
$187.50$190.00Jul 31$0.55$1.95$0.553.55$188.05
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$155.00$145.00Aug 7$0.82$9.18$0.8211.20$154.18
$150.00$140.00Jul 31$0.95$9.05$0.959.53$149.05
$160.00$157.50Aug 21$0.25$2.25$0.259.00$159.75
$155.00$140.00Aug 14$1.57$13.43$1.578.55$153.43
$160.00$157.50Jul 31$0.50$2.00$0.504.00$159.50

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 58 found (best R:R 2.85, avg 0.68)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$165.00$167.50Aug 21$1.75$1.75$0.752.33$166.75
$167.50$170.00Aug 21$1.35$1.35$1.151.17$168.85
$172.50$175.00Jul 31$1.30$1.30$1.201.08$173.80
$170.00$175.00Aug 21$2.60$2.60$2.401.08$172.60
$170.00$172.50Jul 31$1.25$1.25$1.251.00$171.25
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$182.50$180.00Aug 21$1.85$1.85$0.652.85$180.65
$177.50$175.00Aug 21$1.50$1.50$1.001.50$176.00
$185.00$182.50Aug 21$1.40$1.40$1.101.27$183.60
$155.00$152.50Jul 31$1.35$1.35$1.151.17$153.65
$170.00$167.50Aug 21$1.35$1.35$1.151.17$168.65

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 20 found (avg debit $0.84, cheapest $0.10)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$190.00Jul 31Aug 7$0.10156.7%88.4%
$180.00Jul 31Aug 7$0.25153.2%87.9%
$177.50Jul 31Aug 7$0.30154.3%88.9%
$185.00Jul 31Aug 7$0.40151.3%88.2%
$205.00Jul 31Aug 21$0.43145.3%56.8%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$157.50Jul 31Aug 7$0.20164.4%92.6%
$155.00Jul 31Aug 7$0.30162.6%93.1%
$180.00Aug 14Aug 21$0.3074.7%64.8%
$170.00Jul 31Aug 7$0.45154.5%88.7%
$160.00Jul 31Aug 7$0.50159.6%92.9%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 11 found (cheapest 11.33% of stock, avg 13.26%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$172.50Jul 31$10.45$9.20$19.65$152.85$192.1511.33%
$170.00Jul 31$11.70$8.00$19.70$150.30$189.7011.36%
$180.00Aug 14$8.40$14.55$22.95$157.05$202.9513.24%
$175.00Aug 21$10.90$12.10$23.00$152.00$198.0013.27%
$167.50Aug 21$14.85$8.50$23.35$144.15$190.8513.47%
$170.00Aug 21$13.50$9.85$23.35$146.65$193.3513.47%
$177.50Aug 21$9.90$13.60$23.50$154.00$201.0013.55%
$180.00Aug 21$8.75$14.85$23.60$156.40$203.6013.61%
$165.00Aug 21$16.60$7.40$24.00$141.00$189.0013.84%
$182.50Aug 21$8.15$16.70$24.85$157.65$207.3514.33%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 82 found (cheapest 3.21% of stock, avg 7.90%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$200.00$140.00Aug 14$3.03$2.53$5.56$134.44$205.56
$195.00$140.00Aug 14$4.05$2.53$6.58$133.42$201.58
$200.00$155.00Aug 14$3.03$4.10$7.13$147.87$207.13
$190.00$155.00Aug 7$4.35$3.45$7.80$147.20$197.80
$200.00$160.00Aug 14$3.03$5.10$8.13$151.87$208.13
$195.00$155.00Aug 14$4.05$4.10$8.15$146.85$203.15
$190.00$157.50Aug 7$4.35$4.10$8.45$149.05$198.45
$185.00$155.00Aug 7$5.70$3.45$9.15$145.85$194.15
$195.00$160.00Aug 14$4.05$5.10$9.15$150.85$204.15
$190.00$160.00Aug 7$4.35$4.90$9.25$150.75$199.25

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 181 found (best R:R 15.67, avg credit $2.36)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
152/155175/178Jul 31$2.35$0.1515.67$152.65$177.35
168/170172/175Jul 31$2.35$0.1515.67$167.65$174.85
155/158168/170Aug 21$2.35$0.1515.67$155.15$169.85
165/168182/185Aug 21$2.35$0.1515.67$165.15$184.85
168/170175/178Aug 21$2.35$0.1515.67$167.65$177.35
152/155182/185Jul 31$2.30$0.2011.50$152.70$184.80
165/168178/180Jul 31$2.30$0.2011.50$165.20$179.80
165/168175/178Jul 31$2.25$0.259.00$165.25$177.25
170/172178/180Jul 31$2.25$0.259.00$170.25$179.75
155/158182/185Aug 21$2.25$0.259.00$155.25$184.75

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 17 found (best R:R 24.00, cheapest $0.15)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$190.00$195.00$200.00Aug 21$0.20$4.8024.00
$180.00$185.00$190.00Aug 7$0.30$4.7015.67
$185.00$190.00$195.00Aug 21$0.30$4.7015.67
$177.50$180.00$182.50Jul 31$0.20$2.3011.50
$172.50$175.00$177.50Jul 31$0.30$2.207.33
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$167.50$170.00$172.50Jul 31$0.15$2.3515.67
$155.00$157.50$160.00Aug 7$0.15$2.3515.67
$157.50$160.00$162.50Jul 31$0.25$2.259.00
$165.00$167.50$170.00Aug 21$0.25$2.259.00
$177.50$180.00$182.50Aug 21$0.60$1.903.17

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 25 found (best net $-0.96, 23 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$170.00$180.001:2Aug 14-$4.10$5.90
$200.00$205.001:2Aug 21-$0.11$4.89
$195.00$200.001:2Aug 14-$2.01$2.99
$190.00$195.001:2Jul 31-$2.15$2.85
$195.00$200.001:2Aug 21-$2.40$2.60
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$155.00$140.001:2Aug 14-$0.96$14.04
$180.00$167.501:2Aug 14-$1.35$11.15
$150.00$140.001:2Jul 31-$0.15$9.85
$170.00$160.001:2Aug 7-$1.35$8.65
$155.00$145.001:2Aug 7-$1.81$8.19

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 27 found (best yield 5.94%, avg 2.88%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$175.00Aug 21$10.300.510.9%5.94%6.88%413
$177.50Aug 21$9.300.482.4%5.36%7.75%12
$175.00Jul 31$8.300.510.9%4.79%5.73%5219
$180.00Aug 21$8.300.453.8%4.79%8.61%419
$177.50Aug 7$7.900.472.4%4.56%6.94%13
$180.00Aug 14$7.600.443.8%4.38%8.21%21
$182.50Aug 21$7.300.425.3%4.21%9.48%5--
$177.50Jul 31$7.200.472.4%4.15%6.54%42
$180.00Aug 7$6.800.433.8%3.92%7.75%--14
$185.00Aug 21$6.400.386.7%3.69%10.40%--27

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 299
Total Puts 326
Put/Call Ratio 1.09
Net Difference -27

Prior's Put/Call Breakdown

Total Calls 576
Total Puts 832
Put/Call Ratio 1.44
Net Difference -256

Prior 7-Day Put/Call Summary

Total Calls 1,172
Total Puts 1,620
Average Put/Call Ratio 1.38
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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