Tour v381
ALGN
ALIGN TECHNOLOGY INC
$177.50 +1.40%
$177.35 (-0.08%)🌙
as of 07/21 06:09 PM
(7/20 18:08) ◀
|
Tuesday, July 21, 2026 (6:09pm)
January 2026
|
▶ (7/22 18:29)
◀ 7/21 18:09 ▶

Option Volume

Detail
ℹ
Current (07/21) 2,560
Calls: 1,115 (44%)
Puts: 1,445 (56%)
Prior (07/20) 1,049
Calls: 628 (60%)
Puts: 421 (40%)
Current vs Prior +144.04%
Calls: +77.55% (Calls)
Puts: +243.23% (Puts)
Prior 7-Day Total 6,667
Calls: 3,780 (57%)
Puts: 2,887 (43%)
Prior 7-Day Average 952
Calls: 540 (57%)
Puts: 412 (43%)
Current vs Prior 7-Day Avg +168.79%
Calls: +106.48%
Puts: +250.36%
Sentiment BEARISH

Dollar Volume

Detail
ℹ
Current (07/21) $1.43M
Calls: $725.3K (51%)
Puts: $700.9K (49%)
Prior (07/20) $436.1K
Calls: $242.3K (56%)
Puts: $193.8K (44%)
Current vs Prior +226.99%
Calls: +199.28%
Puts: +261.64%
Prior 7-Day Total $4.48M
Calls: $2.96M (66%)
Puts: $1.52M (34%)
Prior 7-Day Average $639.4K
Calls: $422.2K (66%)
Puts: $217.2K (34%)
Current vs Prior 7-Day Avg +123.04%
Calls: +71.77%
Puts: +222.70%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (07/21) 1.30
Prior (07/20) 0.67
Current vs Prior +93.32%
Prior 7-Day Average 0.91
Current vs Prior 7-Day Avg +42.51%
Sentiment BEARISH

Open Interest

Detail
ℹ
Current (07/21) 26,015
Calls: 13,713 (53%)
Puts: 12,302 (47%)
Prior (07/20) 25,444
Calls: 13,355 (52%)
Puts: 12,089 (48%)
Current vs Prior +2.24%
Prior 7-Day Total 146,107
Calls: 75,087 (51%)
Puts: 71,020 (49%)
Prior 7-Day Average 20,872
Calls: 10,726 (51%)
Puts: 10,145 (49%)
Current vs Prior 7-Day Avg +24.64%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (07/24) | Next (07/31)Expiry (08/21) | Next (09/18)
Current 3.49% | 10.54%13.92% | 17.66%
Prior 4.83% | 11.71%14.25% | 17.99%
Current vs Prior -27.64% | -10.04%-2.37% | -1.85%
Prior 7-Day Avg 4.58% | 7.74%5.51% | 15.82%
Current vs 7-Day Avg -23.79% | +36.10%+152.65% | +11.62%
Prior 7-Day Eod 4.83% | 11.71%14.25% | 17.99%
Current vs 7-Day Eod -27.64% | -10.04%-2.37% | -1.85%
Sentiment BULLISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 61.23% | 66.57%
Calls: 38.20% | 73.68%
Puts: 84.26% | 59.46%
Prior 61.23% | 66.57%
Calls: 38.20% | 73.68%
Puts: 84.26% | 59.46%
Current vs Prior +0.00% | +0.00%
Prior 7-Day Avg 61.23% | 66.57%
Calls: 38.20% | 73.68%
Puts: 84.26% | 59.46%
Current vs 7-Day Avg +0.00% | +0.00%
Liquidity Expensive
+
Add Card

🤖 AI Insights

Massive premium surge with dollar volume up 227% vs prior. Dollar volume significantly above 7-day average (123% higher). Unusually high activity with volume up 144% vs prior - elevated interest. Volume explosion - 169% above 7-day average (2,560 vs avg 952).

Smart Money BULLISH
Retail Flow BEARISH
Overall BEARISH
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BULLISH
Prior BULLISH
7-Day Avg BULLISH
Current BEARISH
Prior BULLISH
7-Day Avg NEUTRAL
Current BEARISH
Prior BULLISH
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 1 of results (avg 7.3%, best 7.3%)

CALLS (1)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$175.00Aug 2113.2014.20$13.707.3%40.5611
PUTS (0)
No puts meet the criteria

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. 21 found (avg delta 0.68, highest 0.93)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$145.00Jul 3131.0037.10$34.0517.9%40.93--
$143.00Jul 2431.9037.90$34.9017.2%10.88--
$144.00Jul 2430.7037.20$33.9519.1%10.88--
$167.50Jul 247.7013.20$10.4552.6%10.882
$146.00Jul 2428.8035.80$32.3021.7%80.871
PUTS (4)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$180.00Jul 244.004.80$4.4018.2%60.6137
$185.00Aug 2114.7018.10$16.4020.7%--0.5644
$180.00Aug 710.4012.30$11.3516.7%30.5111
$180.00Aug 2111.9013.90$12.9015.5%20.5037

Most actively traded options today. High liquidity = easy entry/exit. 60 active (total vol 1.2K, top 700)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$200.00Aug 213.904.80$4.3520.7%1100.26126
$205.00Aug 212.904.60$3.7545.3%580.23--
$185.00Jul 240.651.00$0.8342.2%420.1945
$185.00Aug 218.409.90$9.1516.4%110.4324
$190.00Jul 240.201.25$0.73143.8%100.14108
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$160.00Jul 312.554.40$3.4853.2%7000.22624
$155.00Aug 213.004.60$3.8042.1%210.2039
$149.00Jul 311.251.75$1.5033.3%200.11--
$152.50Jul 311.552.15$1.8532.4%160.13--
$162.50Jul 240.050.55$0.30166.7%100.06--

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 12 strikes (avg 63.8%, max 175.6%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$195.00Jul 24Aug 21126.0%57.7%118.6%2133
$146.00Jul 24Jul 31212.8%117.6%80.9%121
$205.00Jul 31Aug 2198.5%60.5%62.9%58216
$192.50Jul 24Jul 31118.3%81.3%45.6%518
$210.00Jul 31Aug 2177.4%54.0%43.3%--113
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$155.00Jul 24Aug 21166.4%60.4%175.6%21103
$149.00Jul 24Jul 31197.3%92.2%114.1%2012
$160.00Jul 24Aug 21100.9%60.2%67.4%2264
$145.00Aug 7Aug 2190.4%72.0%25.6%1021
$165.00Jul 24Aug 2161.9%55.9%10.6%265

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 56 found (best R:R 54.56, avg 5.01)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$192.50$195.00Jul 24$0.13$2.37$0.1318.23$192.63
$195.00$205.00Jul 31$0.57$9.43$0.5716.54$195.57
$185.00$187.50Jul 24$0.23$2.27$0.239.87$185.23
$200.00$205.00Aug 21$0.60$4.40$0.607.33$200.60
$192.50$195.00Jul 31$0.40$2.10$0.405.25$192.90
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$155.00$145.00Aug 7$0.18$9.82$0.1854.56$154.82
$165.00$162.50Jul 24$0.10$2.40$0.1024.00$164.90
$152.50$150.00Jul 31$0.15$2.35$0.1515.67$152.35
$155.00$145.00Aug 21$0.72$9.28$0.7212.89$154.28
$167.50$165.00Jul 24$0.20$2.30$0.2011.50$167.30

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 62 found (best R:R 135.67, avg 2.96)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$147.00$167.50Jul 24$20.35$20.35$0.15135.67$167.35
$145.00$146.00Jul 31$0.85$0.85$0.155.67$145.85
$144.00$146.00Jul 24$1.65$1.65$0.354.71$145.65
$146.00$175.00Jul 31$22.20$22.20$6.803.26$168.20
$170.00$175.00Jul 24$3.45$3.45$1.552.23$173.45
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$185.00$180.00Aug 21$3.50$3.50$1.502.33$181.50
$180.00$177.50Jul 24$1.40$1.40$1.101.27$178.60
$180.00$175.00Aug 21$2.75$2.75$2.251.22$177.25
$180.00$175.00Aug 7$2.60$2.60$2.401.08$177.40
$172.50$170.00Aug 21$1.20$1.20$1.300.92$171.30

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 23 found (avg debit $3.89, cheapest $0.07)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$200.00Aug 14Aug 21$0.2562.8%58.2%
$205.00Jul 31Aug 21$0.5298.5%60.5%
$146.00Jul 24Jul 31$0.90212.8%117.6%
$210.00Jul 31Aug 21$1.0077.4%54.0%
$195.00Jul 24Jul 31$1.40126.0%83.3%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$155.00Jul 24Jul 31$0.07166.4%91.5%
$145.00Aug 7Aug 21$0.6890.4%72.0%
$150.00Jul 24Jul 31$1.6583.7%93.1%
$160.00Jul 24Jul 31$2.55100.9%89.5%
$165.00Jul 24Jul 31$3.8061.9%81.7%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 12 found (cheapest 3.49% of stock, avg 9.33%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$177.50Jul 24$3.20$3.00$6.20$171.30$183.703.49%
$175.00Jul 24$4.55$1.95$6.50$168.50$181.503.66%
$180.00Jul 24$2.10$4.40$6.50$173.50$186.503.66%
$170.00Jul 24$8.00$0.80$8.80$161.20$178.804.96%
$167.50Jul 24$10.45$0.60$11.05$156.45$178.556.23%
$175.00Jul 31$11.00$7.90$18.90$156.10$193.9010.65%
$180.00Aug 7$9.30$11.35$20.65$159.35$200.6511.63%
$180.00Aug 14$10.40$12.05$22.45$157.55$202.4512.65%
$175.00Aug 21$13.70$10.15$23.85$151.15$198.8513.44%
$180.00Aug 21$11.20$12.90$24.10$155.90$204.1013.58%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 90 found (cheapest 0.92% of stock, avg 5.70%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$185.00$170.00Jul 24$0.83$0.80$1.63$168.37$186.63
$185.00$172.50Jul 24$0.83$1.30$2.13$170.37$187.13
$182.50$170.00Jul 24$1.35$0.80$2.15$167.85$184.65
$182.50$172.50Jul 24$1.35$1.30$2.65$169.85$185.15
$185.00$175.00Jul 24$0.83$1.95$2.78$172.22$187.78
$180.00$170.00Jul 24$2.10$0.80$2.90$167.10$182.90
$195.00$170.00Jul 24$2.40$0.80$3.20$166.80$198.20
$185.00$155.00Jul 24$0.83$2.40$3.23$151.77$188.23
$182.50$175.00Jul 24$1.35$1.95$3.30$171.70$185.80
$192.50$170.00Jul 24$2.53$0.80$3.33$166.67$195.83

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 151 found (best R:R 24.00, avg credit $2.57)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
150/155168/170Jul 24$4.80$0.2024.00$150.20$172.30
175/180185/190Aug 21$4.75$0.2519.00$175.25$189.75
170/172178/180Aug 21$2.30$0.2011.50$170.20$179.80
170/172195/198Aug 21$2.30$0.2011.50$170.20$197.30
180/185195/198Aug 21$4.60$0.4011.50$180.40$199.60
175/180190/195Aug 21$4.50$0.509.00$175.50$194.50
175/180205/210Aug 21$4.40$0.607.33$175.60$209.40
172/175178/180Aug 21$2.15$0.356.14$172.85$179.65
172/175195/198Aug 21$2.15$0.356.14$172.85$197.15
180/185200/205Aug 21$4.10$0.904.56$180.90$204.10

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 20 found (best R:R 99.00, cheapest $0.05)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$180.00$185.00$190.00Aug 21$0.05$4.9599.00
$185.00$190.00$195.00Aug 21$0.25$4.7519.00
$180.00$182.50$185.00Jul 24$0.23$2.279.87
$175.00$177.50$180.00Jul 24$0.25$2.259.00
$182.50$185.00$187.50Jul 24$0.29$2.217.62
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$162.50$165.00$167.50Jul 24$0.10$2.4024.00
$170.00$172.50$175.00Jul 24$0.15$2.3515.67
$167.50$170.00$172.50Jul 24$0.30$2.207.33
$175.00$177.50$180.00Jul 24$0.35$2.156.14
$175.00$180.00$185.00Aug 21$0.75$4.255.67

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 45 found (best net $-2.22, 38 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$180.00$190.001:2Aug 7-$2.30$7.70
$195.00$205.001:2Jul 31-$2.66$7.34
$195.00$202.501:2Jul 24-$2.40$5.10
$205.00$210.001:2Aug 21-$0.45$4.55
$170.00$175.001:2Jul 24-$1.10$3.90
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$155.00$145.001:2Aug 7-$2.22$7.78
$155.00$145.001:2Aug 21-$2.36$7.64
$175.00$167.501:2Jul 31-$1.90$5.60
$160.00$155.001:2Aug 14-$1.26$3.74
$160.00$155.001:2Jul 31-$1.46$3.54

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 30 found (best yield 6.42%, avg 2.54%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$177.50Aug 21$11.400.530.0%6.42%6.42%2--
$180.00Aug 21$10.500.501.4%5.92%7.32%--19
$177.50Aug 7$9.600.530.0%5.41%5.41%1--
$180.00Aug 14$9.600.501.4%5.41%6.82%1--
$180.00Aug 7$8.500.491.4%4.79%6.20%1012
$185.00Aug 21$8.400.434.2%4.73%8.96%1124
$180.00Jul 31$7.600.491.4%4.28%5.69%--10
$182.50Jul 31$7.000.452.8%3.94%6.76%12
$190.00Aug 21$6.000.377.0%3.38%10.42%791
$185.00Jul 31$5.600.414.2%3.15%7.38%39

Current 5-Minute Volume Snapshots

Time (HH:MM) Total Volume Call Volume Put Volume Volume Change
Loading data...

Prior's 5-Minute Volume Snapshots

Time (HH:MM) Total Volume Call Volume Put Volume Volume Change
Loading data...

Current Put/Call Breakdown

Total Calls 1,115
Total Puts 1,445
Put/Call Ratio 1.30
Net Difference -330

Prior's Put/Call Breakdown

Total Calls 628
Total Puts 421
Put/Call Ratio 0.67
Net Difference 207

Prior 7-Day Put/Call Summary

Total Calls 3,780
Total Puts 2,887
Average Put/Call Ratio 0.91
Ratio Trend Rising

Daily Put/Call History (Last 7 Days)

Date Calls Puts Ratio Net Diff
Loading data...

Upcoming Earnings - 2 Weeks Prior

Loading earnings data...

Upcoming Earnings - 1 Week Prior

Loading earnings data...

Earnings This Week

Loading earnings data...

Earnings - Day Before / Day After

Loading earnings data...

Options Activity Around Earnings

Ticker Earnings Date Days Away Call Volume Put Volume IV Rank
Loading data...

Chart Title

Price — Past 7 Days

Add Card

CI/CD Results
App Log
Loading...
Requests
New Request
View All