DUOL - Options Database

DUOL

DUOLINGO INC A

$133.89 +0.03%

$133.58 (-0.23%)🌙

as of 07/20 06:26 PM

(7/17 18:26) ◀

Monday, July 20, 2026 (6:26pm)

▶ (7/21 18:26)

◀ 7/20 18:26 ▶

Option Volume

Detail

ℹ

Current (07/20) 5,048

Calls: 3,695 (73%)

Puts: 1,353 (27%)

Prior (07/17) 5,553

Calls: 4,046 (73%)

Puts: 1,507 (27%)

Current vs Prior -9.09%

Calls: -8.68% (Calls)

Puts: -10.22% (Puts)

Prior 7-Day Total 26,166

Calls: 16,448 (63%)

Puts: 9,718 (37%)

Prior 7-Day Average 3,738

Calls: 2,349 (63%)

Puts: 1,388 (37%)

Current vs Prior 7-Day Avg +35.05%

Calls: +57.25%

Puts: -2.54%

Sentiment BULLISH

Dollar Volume

Detail

ℹ

Current (07/20) $2.88M

Calls: $2.01M (70%)

Puts: $872.6K (30%)

Prior (07/17) $3.02M

Calls: $2.21M (73%)

Puts: $816.9K (27%)

Current vs Prior -4.62%

Calls: -8.86%

Puts: +6.81%

Prior 7-Day Total $15.41M

Calls: $9.79M (64%)

Puts: $5.62M (36%)

Prior 7-Day Average $2.20M

Calls: $1.40M (64%)

Puts: $803.0K (36%)

Current vs Prior 7-Day Avg +30.99%

Calls: +43.81%

Puts: +8.66%

Sentiment BULLISH

Put/Call Ratio

Detail

ℹ

Current (07/20) 0.37

Prior (07/17) 0.37

Current vs Prior -1.69%

Prior 7-Day Average 0.69

Current vs Prior 7-Day Avg -46.91%

Sentiment BULLISH

Open Interest

Detail

ℹ

Current (07/20) 27,601

Calls: 19,977 (72%)

Puts: 7,624 (28%)

Prior (07/17) 35,212

Calls: 24,704 (70%)

Puts: 10,508 (30%)

Current vs Prior -21.61%

Prior 7-Day Total 193,550

Calls: 131,923 (68%)

Puts: 61,627 (32%)

Prior 7-Day Average 27,650

Calls: 18,846 (68%)

Puts: 8,803 (32%)

Current vs Prior 7-Day Avg -0.18%

Sentiment BEARISH

Expected Move

Detail

ℹ

WKMO Expiry (07/24) | Next (07/31)Expiry (08/21) | Next (09/18)

Current 6.91% | 9.67%21.92% | 26.55%

Prior 8.40% | 10.50%3.03% | 22.60%

Current vs Prior -17.80% | -7.86%+622.70% | +17.49%

Prior 7-Day Avg 5.56% | 9.39%5.71% | 23.52%

Current vs 7-Day Avg +24.23% | +3.02%+284.22% | +12.91%

Prior 7-Day Eod 8.40% | 10.50%3.03% | 22.60%

Current vs 7-Day Eod -17.80% | -7.86%+622.70% | +17.49%

Sentiment BULLISHBEARISH

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 70% call dollar volume ($2.01M). Extreme bullish P/C ratio of 0.37 - heavy call buying (3,695 calls vs 1,353 puts). Call-heavy open interest (19,977 calls vs 7,624 puts) suggests bullish positioning. Declining open interest (down 22%) 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 BULLISH

Prior BULLISH

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

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Tightest Spreads

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Best Value <$1

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High Delta

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Ratio Spreads

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Covered Calls

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 10 of results (avg 8.7%, best 7.0%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$140.00	Aug 7	9.60	10.30	$9.95	7.0%	12	0.47	65
$130.00	Aug 21	15.30	16.70	$16.00	8.7%	28	0.59	762
$110.00	Aug 21	27.20	29.70	$28.45	8.8%	4	0.79	164
$115.00	Aug 21	23.60	25.80	$24.70	8.9%	29	0.76	642
$130.00	Aug 7	13.80	15.10	$14.45	9.0%	14	0.59	--

PUTS (2)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$155.00	Aug 21	26.30	28.30	$27.30	7.3%	1	0.66	--
$148.00	Jul 31	15.40	16.60	$16.00	7.5%	1	0.85	1

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 0.68, highest 0.92)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$115.00	Jul 24	17.10	21.10	$19.10	20.9%	1	0.92	--
$120.00	Jul 24	13.20	16.50	$14.85	22.2%	4	0.88	32
$109.00	Jul 24	23.70	26.90	$25.30	12.6%	1	0.87	--
$116.00	Jul 31	17.70	21.20	$19.45	18.0%	15	0.87	--
$111.00	Jul 24	21.90	25.00	$23.45	13.2%	1	0.86	--

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$148.00	Jul 31	15.40	16.60	$16.00	7.5%	1	0.85	1
$155.00	Aug 21	26.30	28.30	$27.30	7.3%	1	0.66	--
$136.00	Jul 24	4.90	5.90	$5.40	18.5%	2	0.57	1
$135.00	Jul 24	4.50	5.50	$5.00	20.0%	8	0.53	1
$136.00	Jul 31	7.00	8.90	$7.95	23.9%	2	0.52	3

Most actively traded options today. High liquidity = easy entry/exit. 178 active (total vol 4.2K, top 638)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$149.00	Jul 24	0.25	0.65	$0.45	88.9%	638	0.09	696
$135.00	Jul 24	3.50	4.20	$3.85	18.2%	583	0.47	655
$146.00	Jul 24	0.05	0.90	$0.48	177.1%	433	0.11	8
$135.00	Jul 31	4.90	8.40	$6.65	52.6%	264	0.53	91
$136.00	Jul 24	2.65	3.80	$3.22	35.7%	104	0.43	11

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$134.00	Aug 7	10.80	14.20	$12.50	27.2%	55	0.46	--
$134.00	Aug 14	11.60	14.80	$13.20	24.2%	55	0.45	--
$122.00	Jul 24	0.00	0.95	$0.48	197.9%	47	0.10	38
$135.00	Aug 21	13.00	15.80	$14.40	19.4%	43	0.46	57
$134.00	Aug 21	12.40	16.00	$14.20	25.4%	42	0.45	--

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 18 strikes (avg 21.2%, max 74.5%)

CALLS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$111.00	Jul 24	Aug 14	175.6%	100.6%	74.5%	11	--
$116.00	Jul 24	Jul 31	146.2%	86.9%	68.3%	16	--
$144.00	Jul 24	Jul 31	77.2%	58.7%	31.4%	42	29
$141.00	Jul 24	Jul 31	84.4%	64.9%	29.9%	17	12
$157.50	Jul 24	Aug 21	110.4%	90.4%	22.1%	9	--

PUTS (3)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$129.00	Jul 24	Aug 28	101.7%	82.2%	23.7%	21	6
$127.00	Jul 24	Aug 28	94.0%	86.2%	9.1%	3	15
$120.00	Jul 24	Aug 28	94.3%	86.6%	8.8%	7	49

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 94 found (best R:R 39.91, avg 2.88)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$150.00	$155.00	Aug 7	$0.35	$4.65	$0.35	13.29	$150.35
$150.00	$155.00	Aug 21	$0.35	$4.65	$0.35	13.29	$150.35
$150.00	$152.50	Jul 24	$0.18	$2.32	$0.18	12.89	$150.18
$152.50	$155.00	Jul 31	$0.30	$2.20	$0.30	7.33	$152.80
$147.00	$148.00	Jul 24	$0.13	$0.87	$0.13	6.69	$147.13

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$119.00	$110.00	Jul 24	$0.22	$8.78	$0.22	39.91	$118.78
$114.00	$110.00	Jul 31	$0.30	$3.70	$0.30	12.33	$113.70
$115.00	$110.00	Aug 21	$0.50	$4.50	$0.50	9.00	$114.50
$123.00	$122.00	Jul 24	$0.17	$0.83	$0.17	4.88	$122.83
$130.00	$128.00	Jul 31	$0.35	$1.65	$0.35	4.71	$129.65

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 115 found (best R:R 12.33, avg 1.34)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$109.00	$111.00	Jul 24	$1.85	$1.85	$0.15	12.33	$110.85
$115.00	$116.00	Jul 24	$0.85	$0.85	$0.15	5.67	$115.85
$116.00	$120.00	Jul 24	$3.40	$3.40	$0.60	5.67	$119.40
$116.00	$120.00	Jul 31	$3.30	$3.30	$0.70	4.71	$119.30
$120.00	$124.00	Jul 24	$3.25	$3.25	$0.75	4.33	$123.25

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$125.00	$123.00	Jul 31	$1.70	$1.70	$0.30	5.67	$123.30
$128.00	$126.00	Jul 31	$1.70	$1.70	$0.30	5.67	$126.30
$127.00	$126.00	Aug 28	$0.80	$0.80	$0.20	4.00	$126.20
$120.00	$119.00	Jul 31	$0.78	$0.78	$0.22	3.55	$119.22
$136.00	$135.00	Aug 21	$0.75	$0.75	$0.25	3.00	$135.25

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 49 found (avg debit $3.01, cheapest $0.45)

CALLS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$155.00	Jul 24	Jul 31	$0.45	94.0%	65.1%
$160.00	Jul 24	Jul 31	$0.47	81.4%	67.6%
$148.00	Jul 24	Jul 31	$0.80	75.0%	57.0%
$152.50	Jul 24	Jul 31	$0.90	77.6%	65.5%
$112.00	Aug 7	Aug 14	$0.90	113.4%	97.0%

PUTS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$110.00	Jul 24	Jul 31	$0.52	90.4%	82.7%
$119.00	Jul 24	Jul 31	$0.80	76.1%	68.2%
$120.00	Jul 24	Jul 31	$1.05	94.3%	78.8%
$123.00	Jul 24	Jul 31	$1.35	73.0%	70.0%
$134.00	Jul 24	Jul 31	$1.45	79.5%	68.2%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 30 found (cheapest 6.44% of stock, avg 13.79%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$136.00	Jul 24	$3.22	$5.40	$8.62	$127.38	$144.62	6.44%
$133.00	Jul 24	$4.80	$3.90	$8.70	$124.30	$141.70	6.50%
$134.00	Jul 24	$4.30	$4.45	$8.75	$125.25	$142.75	6.54%
$135.00	Jul 24	$3.85	$5.00	$8.85	$126.15	$143.85	6.61%
$132.00	Jul 24	$5.60	$3.50	$9.10	$122.90	$141.10	6.80%
$130.00	Jul 24	$6.60	$2.75	$9.35	$120.65	$139.35	6.98%
$128.00	Jul 24	$7.95	$1.58	$9.53	$118.47	$137.53	7.12%
$126.00	Jul 24	$9.95	$1.02	$10.97	$115.03	$136.97	8.19%
$125.00	Jul 24	$10.50	$1.27	$11.77	$113.23	$136.77	8.79%
$124.00	Jul 24	$11.60	$0.75	$12.35	$111.65	$136.35	9.22%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 125 found (cheapest 3.67% of stock, avg 11.56%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$138.00	$130.00	Jul 24	$2.17	$2.75	$4.92	$125.08	$142.92
$139.00	$130.00	Jul 24	$2.28	$2.75	$5.03	$124.97	$144.03
$138.00	$131.00	Jul 24	$2.17	$3.05	$5.22	$125.78	$143.22
$139.00	$131.00	Jul 24	$2.28	$3.05	$5.33	$125.67	$144.33
$137.00	$130.00	Jul 24	$2.90	$2.75	$5.65	$124.35	$142.65
$138.00	$132.00	Jul 24	$2.17	$3.50	$5.67	$126.33	$143.67
$139.00	$132.00	Jul 24	$2.28	$3.50	$5.78	$126.22	$144.78
$137.00	$131.00	Jul 24	$2.90	$3.05	$5.95	$125.05	$142.95
$136.00	$130.00	Jul 24	$3.22	$2.75	$5.97	$124.03	$141.97
$138.00	$133.00	Jul 24	$2.17	$3.90	$6.07	$126.93	$144.07

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 171 found (best R:R 16.24, avg credit $2.63)

Put Spread	Call Spread	Expiry	Credit	Max Loss	R:R	BE Low	BE High
109/118	120/130	Aug 7	$9.42	$0.58	16.24	$108.58	$129.42
119/120	128/130	Jul 24	$1.88	$0.12	15.67	$118.12	$129.88
119/120	127/129	Jul 31	$1.88	$0.12	15.67	$118.12	$128.88
124/125	128/130	Jul 24	$1.87	$0.13	14.38	$123.13	$129.87
114/115	116/120	Jul 31	$3.70	$0.30	12.33	$111.30	$119.70
117/118	120/124	Jul 31	$3.68	$0.32	11.50	$114.32	$123.68
124/127	146/149	Aug 7	$2.75	$0.25	11.00	$124.25	$148.75
125/128	137/140	Aug 21	$2.75	$0.25	11.00	$125.25	$139.75
124/127	130/134	Aug 7	$3.65	$0.35	10.43	$123.35	$133.65
110/114	116/120	Jul 31	$3.60	$0.40	9.00	$110.40	$119.60

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 32 found (best R:R 30.25, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$150.00	$152.50	$155.00	Jul 31	$0.08	$2.42	30.25
$116.00	$120.00	$124.00	Jul 24	$0.15	$3.85	25.67
$133.00	$134.00	$135.00	Jul 24	$0.05	$0.95	19.00
$138.00	$139.00	$140.00	Jul 31	$0.05	$0.95	19.00
$147.00	$148.00	$149.00	Jul 24	$0.08	$0.92	11.50

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$128.00	$129.00	$130.00	Aug 21	$0.10	$0.90	9.00
$130.00	$131.00	$132.00	Jul 24	$0.15	$0.85	5.67
$132.00	$133.00	$134.00	Jul 24	$0.15	$0.85	5.67
$127.00	$128.00	$129.00	Aug 14	$0.20	$0.80	4.00
$110.00	$115.00	$120.00	Aug 21	$1.25	$3.75	3.00

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 47 found (best net $-0.40, 40 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$112.00	$134.00	1:2	Aug 14	-$0.40	$21.60
$140.00	$155.00	1:2	Aug 28	-$1.95	$13.05
$134.00	$145.00	1:2	Aug 14	-$3.70	$7.30
$145.00	$155.00	1:2	Aug 14	-$3.00	$7.00
$145.00	$148.00	1:2	Jul 31	-$0.15	$2.85

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$155.00	$140.00	1:2	Aug 21	-$6.40	$8.60
$114.00	$110.00	1:2	Jul 31	-$0.30	$3.70
$127.00	$121.00	1:2	Aug 14	-$3.70	$2.30
$115.00	$110.00	1:2	Aug 14	-$2.75	$2.25
$125.00	$123.00	1:2	Jul 31	-$0.30	$1.70

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 58 found (best yield 10.23%, avg 3.69%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$135.00	Aug 28	$13.70	0.55	0.8%	10.23%	11.06%	6	1
$135.00	Aug 21	$12.40	0.54	0.8%	9.26%	10.09%	4	152
$137.00	Aug 28	$12.30	0.53	2.3%	9.19%	11.51%	3	--
$134.00	Aug 7	$11.90	0.54	0.1%	8.89%	8.97%	1	--
$134.00	Aug 14	$11.80	0.55	0.1%	8.81%	8.90%	1	--
$137.00	Aug 21	$11.50	0.52	2.3%	8.59%	10.91%	2	--
$135.00	Aug 7	$11.30	0.53	0.8%	8.44%	9.27%	4	41
$136.00	Aug 7	$10.90	0.52	1.6%	8.14%	9.72%	1	--
$140.00	Aug 28	$10.90	0.50	4.6%	8.14%	12.70%	1	--
$140.00	Aug 21	$10.30	0.48	4.6%	7.69%	12.26%	84	421

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 3,695

Total Puts 1,353

Put/Call Ratio 0.37

Net Difference 2,342

Prior's Put/Call Breakdown

Total Calls 4,046

Total Puts 1,507

Put/Call Ratio 0.37

Net Difference 2,539

Prior 7-Day Put/Call Summary

Total Calls 16,448

Total Puts 9,718

Average Put/Call Ratio 0.69

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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Option Volume

Dollar Volume

Put/Call Ratio

Open Interest

Expected Move

Relative Spread

🤖 AI Insights

📈 Options Analysis

Current 5-Minute Volume Snapshots

Prior's 5-Minute Volume Snapshots

Current Put/Call Breakdown

Prior's Put/Call Breakdown

Prior 7-Day Put/Call Summary

Daily Put/Call History (Last 7 Days)

Upcoming Earnings - 2 Weeks Prior

Upcoming Earnings - 1 Week Prior

Earnings This Week

Earnings - Day Before / Day After

Options Activity Around Earnings

Chart Title

Price — Past 7 Days

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