Tour v526
SLS
SELLAS LIFE SCIENCES
$13.40 -3.25%
$13.45 (+0.37%)🌙
as of 08/20 07:05 PM
(8/19 19:02) ◀
|
Thursday, August 20, 2026 (7:05pm)
January 2026
|
▶ (8/21 15:01)
◀ 8/20 19:05 ▶

Option Volume

Detail
ℹ
Current (08/20) 25,185
Calls: 21,128 (84%)
Puts: 4,057 (16%)
Prior (08/19) 68,040
Calls: 57,837 (85%)
Puts: 10,203 (15%)
Current vs Prior -62.99%
Calls: -63.47% (Calls)
Puts: -60.24% (Puts)
Prior 7-Day Total 339,918
Calls: 203,401 (60%)
Puts: 136,517 (40%)
Prior 7-Day Average 48,559
Calls: 29,057 (60%)
Puts: 19,502 (40%)
Current vs Prior 7-Day Avg -48.14%
Calls: -27.29%
Puts: -79.20%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (08/20) $5.65M
Calls: $4.83M (85%)
Puts: $821.2K (15%)
Prior (08/19) $25.99M
Calls: $23.33M (90%)
Puts: $2.65M (10%)
Current vs Prior -78.25%
Calls: -79.30%
Puts: -69.05%
Prior 7-Day Total $91.43M
Calls: $65.94M (72%)
Puts: $25.50M (28%)
Prior 7-Day Average $13.06M
Calls: $9.42M (72%)
Puts: $3.64M (28%)
Current vs Prior 7-Day Avg -56.73%
Calls: -48.71%
Puts: -77.46%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (08/20) 0.19
Prior (08/19) 0.18
Current vs Prior +8.85%
Prior 7-Day Average 0.74
Current vs Prior 7-Day Avg -74.20%
Sentiment BULLISH

Open Interest

Detail
ℹ
Current (08/20) 790,199
Calls: 584,981 (74%)
Puts: 205,218 (26%)
Prior (08/19) 836,678
Calls: 595,868 (71%)
Puts: 240,810 (29%)
Current vs Prior -5.56%
Prior 7-Day Total 5,414,613
Calls: 3,837,451 (71%)
Puts: 1,577,162 (29%)
Prior 7-Day Average 773,516
Calls: 548,207 (71%)
Puts: 225,308 (29%)
Current vs Prior 7-Day Avg +2.16%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (08/21) | Next (08/28)Expiry (08/21) | Next (09/18)
Current 7.09% | 17.54%7.09% | 30.45%
Prior 9.17% | 17.69%9.17% | 31.77%
Current vs Prior -22.68% | -0.86%-22.68% | -4.16%
Prior 7-Day Avg 10.72% | 17.52%13.76% | 33.46%
Current vs 7-Day Avg -33.84% | +0.10%-48.48% | -9.00%
Prior 7-Day Eod 9.17% | 17.69%9.17% | 31.77%
Current vs 7-Day Eod -22.68% | -0.86%-22.68% | -4.16%
Sentiment BULLISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 21.55% | 29.29%
Calls: 22.06% | 23.15%
Puts: 21.05% | 35.43%
Prior 21.55% | 29.29%
Calls: 22.06% | 23.15%
Puts: 21.05% | 35.43%
Current vs Prior +0.00% | +0.00%
Prior 7-Day Avg 21.55% | 29.29%
Calls: 22.06% | 23.15%
Puts: 21.05% | 35.43%
Current vs 7-Day Avg +0.00% | +0.00%
Liquidity Expensive
+
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🤖 AI Insights

Strong bullish conviction with 85% of dollar volume in calls ($4.83M) vs puts ($821.2K). Light premium activity with dollar volume down 78% vs prior. Below-average activity with volume down 63% vs prior. Extreme bullish P/C ratio of 0.19 - heavy call buying (21,128 calls vs 4,057 puts).

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

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. 47 found (avg delta 0.68, highest 1.00)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$11.00Aug 211.953.20$2.5848.4%1351.00463
$11.00Aug 280.904.30$2.60130.8%50.90--
$11.50Aug 281.403.50$2.4585.7%100.85--
$11.50Aug 211.552.45$2.0045.0%590.85106
$12.00Aug 211.152.10$1.6358.3%2750.843.1K
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$16.00Aug 211.853.60$2.7364.1%40.9210
$15.50Aug 210.853.10$1.98113.6%100.89--
$15.00Aug 210.802.65$1.73106.9%60.87--
$14.50Aug 210.302.20$1.25152.0%50.82--
$14.00Aug 210.051.20$0.63182.5%650.70204

Most actively traded options today. High liquidity = easy entry/exit. 93 active (total vol 10.6K, top 1.7K)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$14.00Aug 210.150.25$0.2050.0%1.7K0.302.6K
$14.50Aug 210.050.15$0.10100.0%8190.17747
$15.00Sep 181.451.65$1.5512.9%6960.4525.8K
$15.50Aug 210.000.15$0.08187.5%6590.11728
$15.00Aug 210.050.10$0.0862.5%5220.1210.7K
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$11.00Sep 180.751.00$0.8828.4%2610.251.0K
$13.00Aug 210.050.35$0.20150.0%1890.33552
$12.00Aug 280.350.70$0.5267.3%1420.28254
$13.50Aug 210.000.80$0.40200.0%1410.5559
$12.00Aug 210.050.25$0.15133.3%1400.171.4K

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 6 strikes (avg 43.2%, max 128.3%)

CALLS (2)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$12.00Aug 21Oct 2235.7%180.1%30.9%2773.1K
$13.50Aug 21Sep 11137.6%136.0%1.2%4401.8K
PUTS (4)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$11.50Aug 21Sep 11311.0%136.2%128.3%146298
$12.00Aug 21Sep 25235.7%143.6%64.1%1511.4K
$12.50Aug 21Sep 11162.3%129.8%25.1%54498
$14.00Aug 21Sep 18165.4%151.4%9.3%85204

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 34 found (best R:R 5.67, avg 1.98)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$14.00$15.00Oct 2$0.15$0.85$0.1557%5.67$14.15
$15.00$16.00Sep 18$0.10$0.90$0.1045%9.00$15.10
$13.00$14.00Sep 18$0.23$0.77$0.2358%3.35$13.23
$11.00$11.50Aug 28$0.15$0.35$0.1590%2.33$11.15
$11.00$12.00Sep 18$0.45$0.55$0.4575%1.22$11.45
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$15.50$15.00Aug 21$0.25$0.25$0.2589%1.00$15.25
$14.00$13.50Aug 21$0.23$0.27$0.2370%1.17$13.77
$13.50$13.00Sep 25$0.13$0.37$0.1340%2.85$13.37
$13.50$13.00Aug 21$0.20$0.30$0.2055%1.50$13.30
$11.50$11.00Sep 11$0.12$0.38$0.1226%3.17$11.38

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 21 found (best R:R 1.50, avg 1.05)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$15.50$16.00Sep 4$0.38$0.38$0.1263%3.17$15.88
$15.50$16.00Aug 28$0.25$0.25$0.2569%1.00$15.75
$14.50$15.00Aug 28$0.28$0.28$0.2262%1.27$14.78
$14.50$15.00Sep 11$0.35$0.35$0.1549%2.33$14.85
$14.00$14.50Sep 4$0.33$0.33$0.1748%1.94$14.33
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$12.00$11.00Sep 18$0.60$0.60$0.4067%1.50$11.40
$12.50$12.00Sep 4$0.35$0.35$0.1566%2.33$12.15
$12.00$11.50Aug 28$0.27$0.27$0.2372%1.17$11.73
$13.00$12.00Sep 18$0.52$0.52$0.4859%1.08$12.48
$11.50$11.00Aug 21$0.15$0.15$0.3585%0.43$11.35

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 5 found (avg debit $0.62, cheapest $0.33)

CALLS (2)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$13.00Aug 21Aug 28$0.70131.5%78.6%
$13.50Aug 21Aug 28$0.48137.6%118.0%
PUTS (3)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$13.00Aug 21Aug 28$0.33131.5%78.6%
$13.50Aug 21Aug 28$0.70137.6%118.0%
$14.00Aug 21Aug 28$0.90165.4%155.9%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 15 found (cheapest 5.22% of stock, avg 19.21%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$13.50Aug 21$0.30$0.40$0.70$12.80$14.205.22%
$13.00Aug 21$0.55$0.20$0.75$12.25$13.755.60%
$14.00Aug 21$0.20$0.63$0.83$13.17$14.836.19%
$12.50Aug 21$1.18$0.13$1.31$11.19$13.819.78%
$14.50Aug 21$0.10$1.25$1.35$13.15$15.8510.07%
$13.00Aug 28$1.25$0.53$1.78$11.22$14.7813.28%
$13.50Aug 28$0.78$1.10$1.88$11.62$15.3814.03%
$12.50Aug 28$1.43$0.55$1.98$10.52$14.4814.78%
$14.00Aug 28$0.88$1.53$2.41$11.59$16.4117.99%
$12.50Sep 4$1.83$0.98$2.81$9.69$15.3120.97%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 79 found (cheapest 1.57% of stock, avg 10.67%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$15.00$12.50Aug 21$0.08$0.13$0.21$12.29$15.21
$15.50$12.50Aug 21$0.08$0.13$0.21$12.29$15.71
$14.50$12.50Aug 21$0.10$0.13$0.23$12.27$14.73
$15.00$12.00Aug 21$0.08$0.15$0.23$11.77$15.23
$15.50$12.00Aug 21$0.08$0.15$0.23$11.77$15.73
$14.50$12.00Aug 21$0.10$0.15$0.25$11.75$14.75
$15.00$11.50Aug 21$0.08$0.18$0.26$11.24$15.26
$15.50$11.50Aug 21$0.08$0.18$0.26$11.24$15.76
$14.50$11.50Aug 21$0.10$0.18$0.28$11.22$14.78
$15.00$13.00Aug 21$0.08$0.20$0.28$12.72$15.28

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 1 found (best R:R 1.00, avg credit $0.25)

Put SpreadCall SpreadExpiryCreditMax LossPOPR:RBE LowBE High
11/1214/14Aug 21$0.25$0.2555%1.00$11.25$14.25

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 16 found (best R:R 2.85, cheapest $0.07)

CALLS (5)
LowMidHighExpiryDebitMax GainPOPR:R
$13.00$13.50$14.00Aug 21$0.15$0.3538%2.33
$14.00$14.50$15.00Aug 21$0.08$0.4217%5.25
$14.00$15.00$16.00Sep 18$0.20$0.8010%4.00
$12.50$13.00$13.50Sep 4$0.18$0.3211%1.78
$11.00$11.50$12.00Aug 21$0.21$0.2916%1.38
PUTS (5)
LowMidHighExpiryDebitMax GainPOPR:R
$12.50$13.00$13.50Aug 21$0.13$0.3735%2.85
$12.00$12.50$13.00Sep 4$0.07$0.4312%6.14
$12.00$12.50$13.00Aug 21$0.09$0.4116%4.56
$11.00$11.50$12.00Aug 28$0.22$0.2814%1.27
$13.50$14.00$14.50Aug 21$0.39$0.1128%0.28

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 23 found (best net $-0.58, 20 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$11.00$13.001:2Sep 11-$0.58$1.42
$15.50$16.001:2Sep 4-$0.07$0.43
$13.50$14.001:2Aug 21-$0.10$0.40
$15.50$16.001:2Aug 28-$0.10$0.40
$14.50$15.001:2Aug 21-$0.06$0.44
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$16.00$13.501:2Sep 25-$0.81$1.69
$14.00$13.501:2Aug 21-$0.17$0.33
$13.00$12.501:2Aug 21-$0.06$0.44
$12.00$11.001:2Sep 18-$0.28$0.72
$11.50$11.001:2Aug 28-$0.15$0.35

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 25 found (best yield 14.93%, avg 6.24%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$15.00Oct 2$2.000.5311.9%14.93%26.87%4148
$15.00Sep 25$1.450.5211.9%10.82%22.76%14146
$15.50Sep 25$1.200.5115.7%8.96%24.63%1--
$14.00Oct 2$1.900.574.5%14.18%18.66%7423
$16.00Sep 18$1.150.4119.4%8.58%27.99%205565
$15.00Sep 18$1.450.4511.9%10.82%22.76%69625.8K
$16.00Sep 25$0.900.4719.4%6.72%26.12%247
$14.50Sep 25$1.250.598.2%9.33%17.54%2--
$14.50Sep 11$1.150.518.2%8.58%16.79%110
$14.00Sep 18$1.250.514.5%9.33%13.81%1891.1K

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 21,128
Total Puts 4,057
Put/Call Ratio 0.19
Net Difference 17,071

Prior's Put/Call Breakdown

Total Calls 57,837
Total Puts 10,203
Put/Call Ratio 0.18
Net Difference 47,634

Prior 7-Day Put/Call Summary

Total Calls 203,401
Total Puts 136,517
Average Put/Call Ratio 0.74
Ratio Trend Rising

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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