Tour v477
DUOL
DUOLINGO INC A
$134.81 +0.91%
$134.30 (-0.38%)🌙
as of 07/31 06:28 PM
(7/30 18:37) ◀
|
Friday, July 31, 2026 (6:28pm)
January 2026
|
▶ (8/3 18:24)
◀ 7/31 18:28 ▶

Option Volume

Detail
ℹ
Current (07/31) 5,442
Calls: 4,072 (75%)
Puts: 1,370 (25%)
Prior (07/30) 4,639
Calls: 2,703 (58%)
Puts: 1,936 (42%)
Current vs Prior +17.31%
Calls: +50.65% (Calls)
Puts: -29.24% (Puts)
Prior 7-Day Total 33,148
Calls: 22,546 (68%)
Puts: 10,602 (32%)
Prior 7-Day Average 4,735
Calls: 3,220 (68%)
Puts: 1,514 (32%)
Current vs Prior 7-Day Avg +14.92%
Calls: +26.43%
Puts: -9.55%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (07/31) $1.96M
Calls: $1.41M (72%)
Puts: $547.7K (28%)
Prior (07/30) $2.59M
Calls: $1.52M (59%)
Puts: $1.07M (41%)
Current vs Prior -24.25%
Calls: -6.88%
Puts: -48.84%
Prior 7-Day Total $21.19M
Calls: $14.48M (68%)
Puts: $6.71M (32%)
Prior 7-Day Average $3.03M
Calls: $2.07M (68%)
Puts: $959.1K (32%)
Current vs Prior 7-Day Avg -35.28%
Calls: -31.74%
Puts: -42.90%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (07/31) 0.34
Prior (07/30) 0.72
Current vs Prior -53.03%
Prior 7-Day Average 0.50
Current vs Prior 7-Day Avg -32.32%
Sentiment BULLISH

Open Interest

Detail
ℹ
Current (07/31) 34,782
Calls: 26,520 (76%)
Puts: 8,262 (24%)
Prior (07/30) 27,745
Calls: 16,305 (59%)
Puts: 11,440 (41%)
Current vs Prior +25.36%
Prior 7-Day Total 201,318
Calls: 122,109 (61%)
Puts: 79,209 (39%)
Prior 7-Day Average 28,759
Calls: 17,444 (61%)
Puts: 11,315 (39%)
Current vs Prior 7-Day Avg +20.94%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)
Current 3.04% | 15.99%18.06% | 24.37%
Prior 3.56% | 15.79%18.11% | 24.03%
Current vs Prior +349.61% | +6.62%-0.28% | +1.42%
Prior 7-Day Avg 5.23% | 14.14%19.82% | 25.86%
Current vs 7-Day Avg +205.65% | +19.09%-8.89% | -5.78%
Prior 7-Day Eod 3.56% | 15.79%18.11% | 24.03%
Current vs 7-Day Eod +349.61% | +6.62%-0.28% | +1.42%
Sentiment BEARISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 143.31% | 21.30%
Calls: 118.24% | 14.81%
Puts: 168.37% | 27.78%
Prior 143.31% | 21.30%
Calls: 118.24% | 14.81%
Puts: 168.37% | 27.78%
Current vs Prior +0.00% | +0.00%
Prior 7-Day Avg 143.31% | 21.30%
Calls: 118.24% | 14.81%
Puts: 168.37% | 27.78%
Current vs 7-Day Avg +0.00% | +0.00%
Liquidity Expensive
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🤖 AI Insights

Moderately bullish flow with 72% call dollar volume ($1.41M). Extreme bullish P/C ratio of 0.34 - heavy call buying (4,072 calls vs 1,370 puts). P/C ratio dropping 53% - sentiment shifting bullish. Call-heavy open interest (26,520 calls vs 8,262 puts) suggests bullish positioning.

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 BULLISH
Prior NEUTRAL
7-Day Avg NEUTRAL
Current BULLISH
Prior BULLISH
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 -- of results (avg --%, best --%)

No options available for this category

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. 50 found (avg delta 0.67, highest 0.93)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$130.00Jul 312.606.50$4.5585.7%70.93745
$114.00Jul 3118.7022.60$20.6518.9%10.89--
$110.00Aug 725.2028.50$26.8512.3%10.88--
$117.00Jul 3115.8019.60$17.7021.5%10.862
$108.00Jul 3124.7028.70$26.7015.0%10.86--
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$140.00Jul 314.207.30$5.7553.9%30.83--
$146.00Jul 3110.4013.20$11.8023.7%20.82--
$145.00Jul 318.3012.20$10.2538.0%20.752
$137.00Jul 310.904.80$2.85136.8%10.71--
$136.00Jul 310.504.90$2.70163.0%10.65--

Most actively traded options today. High liquidity = easy entry/exit. 178 active (total vol 3.7K, top 610)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$139.00Jul 310.000.55$0.28196.4%6100.1349
$140.00Jul 310.000.95$0.48197.9%4040.16188
$149.00Jul 310.004.20$2.10200.0%3010.23584
$135.00Jul 310.351.20$0.77110.4%2170.42337
$150.00Jul 310.003.50$1.75200.0%1050.201.5K
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$130.00Jul 310.000.70$0.35200.0%1470.1529
$133.00Jul 310.002.00$1.00200.0%1350.37100
$134.00Jul 310.003.70$1.85200.0%1190.47137
$113.00Aug 70.902.90$1.90105.3%800.14--
$132.00Jul 310.051.45$0.75186.7%660.2855

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 46 strikes (avg 655.8%, max 1792.4%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$150.00Jul 31Aug 281629.9%86.1%1792.4%1061.5K
$144.00Jul 31Aug 281448.4%84.5%1614.9%2--
$145.00Jul 31Aug 211397.4%92.3%1414.7%14374
$143.00Jul 31Aug 211376.0%90.9%1413.7%3--
$152.50Jul 31Aug 211290.9%97.7%1221.6%5--
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$125.00Jul 31Aug 281371.2%78.5%1646.7%1817
$123.00Jul 31Aug 211522.8%90.5%1582.8%237
$124.00Jul 31Aug 141505.7%100.9%1392.0%37439
$127.00Jul 31Sep 111136.6%76.5%1385.6%15--
$114.00Jul 31Aug 71925.9%131.8%1360.9%6--

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 85 found (best R:R 9.00, avg 2.61)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$150.00$152.50Aug 21$0.25$2.25$0.259.00$150.25
$140.00$142.00Jul 31$0.25$1.75$0.257.00$140.25
$157.50$160.00Aug 7$0.35$2.15$0.356.14$157.85
$155.00$160.00Aug 14$1.00$4.00$1.004.00$156.00
$142.00$144.00Aug 28$0.40$1.60$0.404.00$142.40
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$120.00$119.00Aug 7$0.10$0.90$0.109.00$119.90
$132.00$130.00Aug 7$0.20$1.80$0.209.00$131.80
$117.00$114.00Jul 31$0.32$2.68$0.328.37$116.68
$109.00$108.00Aug 14$0.12$0.88$0.127.33$108.88
$115.00$110.00Aug 28$0.61$4.39$0.617.20$114.39

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 107 found (best R:R 29.00, avg 1.92)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$120.00$125.00Jul 31$4.65$4.65$0.3513.29$124.65
$130.00$131.00Jul 31$0.85$0.85$0.155.67$130.85
$137.00$138.00Aug 7$0.85$0.85$0.155.67$137.85
$145.00$146.00Aug 7$0.80$0.80$0.204.00$145.80
$137.00$138.00Jul 31$0.75$0.75$0.253.00$137.75
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$140.00$137.00Jul 31$2.90$2.90$0.1029.00$137.10
$142.00$140.00Aug 7$1.90$1.90$0.1019.00$140.10
$130.00$128.00Aug 14$1.85$1.85$0.1512.33$128.15
$145.00$140.00Jul 31$4.50$4.50$0.509.00$140.50
$130.00$128.00Aug 7$1.80$1.80$0.209.00$128.20

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 42 found (avg debit $5.28, cheapest $0.15)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$160.00Aug 7Aug 14$0.15133.6%96.5%
$150.00Jul 31Aug 7$2.651629.9%136.3%
$148.00Jul 31Aug 7$3.051720.7%144.4%
$152.50Jul 31Aug 7$3.101290.9%134.5%
$147.00Jul 31Aug 7$3.151561.1%137.4%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$108.00Aug 7Aug 14$0.55133.4%104.7%
$143.00Aug 7Aug 14$0.65140.0%108.9%
$128.00Aug 7Aug 14$0.70128.8%97.6%
$115.00Aug 7Aug 14$0.72132.4%103.4%
$114.00Jul 31Aug 7$1.151925.9%131.8%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 31 found (cheapest 2.09% of stock, avg 11.37%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$135.00Jul 31$0.77$2.05$2.82$132.18$137.822.09%
$133.00Jul 31$2.33$1.00$3.33$129.67$136.332.47%
$132.00Jul 31$2.70$0.75$3.45$128.55$135.452.56%
$136.00Jul 31$0.95$2.70$3.65$132.35$139.652.71%
$137.00Jul 31$0.85$2.85$3.70$133.30$140.702.74%
$134.00Jul 31$2.05$1.85$3.90$130.10$137.902.89%
$131.00Jul 31$3.70$1.13$4.83$126.17$135.833.58%
$130.00Jul 31$4.55$0.35$4.90$125.10$134.903.63%
$140.00Jul 31$0.48$5.75$6.23$133.77$146.234.62%
$127.00Jul 31$7.50$1.75$9.25$117.75$136.256.86%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 127 found (cheapest 1.13% of stock, avg 10.34%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$135.00$132.00Jul 31$0.77$0.75$1.52$130.48$136.52
$137.00$132.00Jul 31$0.85$0.75$1.60$130.40$138.60
$136.00$132.00Jul 31$0.95$0.75$1.70$130.30$137.70
$135.00$133.00Jul 31$0.77$1.00$1.77$131.23$136.77
$137.00$133.00Jul 31$0.85$1.00$1.85$131.15$138.85
$135.00$131.00Jul 31$0.77$1.13$1.90$129.10$136.90
$136.00$133.00Jul 31$0.95$1.00$1.95$131.05$137.95
$137.00$131.00Jul 31$0.85$1.13$1.98$129.02$138.98
$136.00$131.00Jul 31$0.95$1.13$2.08$128.92$138.08
$135.00$127.00Jul 31$0.77$1.75$2.52$124.48$137.52

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 212 found (best R:R 14.00, avg credit $2.23)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
121/124130/132Aug 14$2.80$0.2014.00$121.20$132.80
140/150152/160Aug 21$9.05$0.959.53$140.95$161.55
128/130150/155Aug 14$4.50$0.509.00$125.50$154.50
130/132140/142Aug 28$1.80$0.209.00$130.20$141.80
132/133135/140Aug 21$4.40$0.607.33$128.60$139.40
121/124150/155Aug 14$4.35$0.656.69$119.65$154.35
111/115135/140Aug 21$4.35$0.656.69$110.65$139.35
114/115139/140Aug 7$0.85$0.155.67$114.15$139.85
114/115141/142Aug 7$0.85$0.155.67$114.15$141.85
117/118131/132Aug 7$0.85$0.155.67$117.15$131.85

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 33 found (best R:R 10.11, cheapest $0.09)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$132.00$133.00$134.00Jul 31$0.09$0.9110.11
$125.00$126.00$127.00Jul 31$0.10$0.909.00
$124.00$127.00$130.00Aug 21$0.35$2.657.57
$144.00$145.00$146.00Aug 7$0.15$0.855.67
$146.00$147.00$148.00Aug 7$0.15$0.855.67
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$124.00$125.00$126.00Jul 31$0.10$0.909.00
$128.00$129.00$130.00Aug 28$0.15$0.855.67
$110.00$115.00$120.00Aug 28$0.96$4.044.21
$112.00$113.00$114.00Aug 7$0.33$0.672.03
$117.00$118.00$119.00Aug 7$0.40$0.601.50

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 36 found (best net $-1.00, 29 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$152.50$160.001:2Aug 21-$1.95$5.55
$150.00$155.001:2Aug 14-$0.85$4.15
$155.00$160.001:2Aug 14-$1.50$3.50
$135.00$143.001:2Aug 14-$4.85$3.15
$143.00$150.001:2Aug 14-$4.65$2.35
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$127.00$115.001:2Sep 11-$1.00$11.00
$123.00$115.001:2Aug 21-$1.95$6.05
$115.00$110.001:2Aug 14-$0.46$4.54
$145.00$140.001:2Jul 31-$1.25$3.75
$121.00$116.001:2Aug 14-$1.56$3.44

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 43 found (best yield 7.94%, avg 4.05%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$135.00Aug 21$10.700.540.1%7.94%8.08%8--
$138.00Aug 28$9.100.492.4%6.75%9.12%2--
$135.00Aug 7$9.000.520.1%6.68%6.82%1481
$139.00Aug 28$8.700.483.1%6.45%9.56%1--
$135.00Aug 14$8.500.520.1%6.31%6.45%3--
$140.00Aug 28$8.400.473.9%6.23%10.08%36
$136.00Aug 7$8.300.510.9%6.16%7.04%436
$137.00Aug 7$7.800.491.6%5.79%7.41%4266
$140.00Aug 21$7.500.473.9%5.56%9.41%56457
$142.00Aug 28$7.500.445.3%5.56%10.90%5--

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 4,072
Total Puts 1,370
Put/Call Ratio 0.34
Net Difference 2,702

Prior's Put/Call Breakdown

Total Calls 2,703
Total Puts 1,936
Put/Call Ratio 0.72
Net Difference 767

Prior 7-Day Put/Call Summary

Total Calls 22,546
Total Puts 10,602
Average Put/Call Ratio 0.50
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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