Tour v526
BIIB
BIOGEN INC
$221.56 +4.24%
$219.00 (-1.16%)🌙
as of 08/19 06:14 PM
(8/18 18:14) ◀
|
Wednesday, August 19, 2026 (6:14pm)
January 2026
|
▶ (8/20 18:14)
◀ 8/19 18:14 ▶

Option Volume

Detail
ℹ
Current (08/19) 946
Calls: 745 (79%)
Puts: 201 (21%)
Prior (08/18) 811
Calls: 591 (73%)
Puts: 220 (27%)
Current vs Prior +16.65%
Calls: +26.06% (Calls)
Puts: -8.64% (Puts)
Prior 7-Day Total 9,718
Calls: 4,000 (41%)
Puts: 5,718 (59%)
Prior 7-Day Average 1,388
Calls: 571 (41%)
Puts: 816 (59%)
Current vs Prior 7-Day Avg -31.86%
Calls: +30.37%
Puts: -75.39%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (08/19) $1.20M
Calls: $1.07M (90%)
Puts: $124.9K (10%)
Prior (08/18) $1.97M
Calls: $1.84M (93%)
Puts: $133.0K (7%)
Current vs Prior -39.15%
Calls: -41.55%
Puts: -6.09%
Prior 7-Day Total $8.69M
Calls: $7.39M (85%)
Puts: $1.30M (15%)
Prior 7-Day Average $1.24M
Calls: $1.06M (85%)
Puts: $185.3K (15%)
Current vs Prior 7-Day Avg -3.48%
Calls: +1.63%
Puts: -32.58%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (08/19) 0.27
Prior (08/18) 0.37
Current vs Prior -27.52%
Prior 7-Day Average 1.58
Current vs Prior 7-Day Avg -82.95%
Sentiment BULLISH

Open Interest

Detail
ℹ
Current (08/19) 15,352
Calls: 12,354 (80%)
Puts: 2,998 (20%)
Prior (08/18) 9,439
Calls: 7,445 (79%)
Puts: 1,994 (21%)
Current vs Prior +62.64%
Prior 7-Day Total 57,249
Calls: 44,481 (78%)
Puts: 12,768 (22%)
Prior 7-Day Average 8,178
Calls: 6,354 (78%)
Puts: 1,824 (22%)
Current vs Prior 7-Day Avg +87.71%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (08/21) | Next (08/28)Expiry (08/21) | Next (09/18)
Current 2.89% | 4.67%2.89% | 9.52%
Prior 3.10% | 5.46%3.10% | 10.16%
Current vs Prior -6.69% | -14.40%-6.69% | -6.29%
Prior 7-Day Avg 3.17% | 5.00%4.17% | 10.70%
Current vs 7-Day Avg -8.83% | -6.61%-30.80% | -11.03%
Prior 7-Day Eod 3.10% | 5.46%3.10% | 10.16%
Current vs 7-Day Eod -6.69% | -14.40%-6.69% | -6.29%
Sentiment BULLISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 229.41% | 28.88%
Calls: 47.07% | 38.89%
Puts: 411.76% | 18.87%
Prior 229.41% | 28.88%
Calls: 47.07% | 38.89%
Puts: 411.76% | 18.87%
Current vs Prior +0.00% | +0.00%
Prior 7-Day Avg 229.41% | 28.88%
Calls: 47.07% | 38.89%
Puts: 411.76% | 18.87%
Current vs 7-Day Avg +0.00% | +0.00%
Liquidity Expensive
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🤖 AI Insights

Strong bullish conviction with 90% of dollar volume in calls ($1.07M) vs puts ($124.9K). Extreme bullish P/C ratio of 0.27 - heavy call buying (745 calls vs 201 puts). P/C ratio dropping 28% - sentiment shifting bullish. Call-heavy open interest (12,354 calls vs 2,998 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 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 1 of results (avg 9.0%, best 9.0%)

CALLS (1)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$180.00Sep 1840.5044.30$42.409.0%10.92607
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. 29 found (avg delta 0.75, highest 1.00)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$195.00Aug 2124.6028.30$26.4514.0%11.0020
$185.00Sep 1835.7039.50$37.6010.1%10.94--
$190.00Sep 1830.9034.80$32.8511.9%10.93--
$200.00Aug 2820.2023.90$22.0516.8%100.92--
$180.00Sep 1840.5044.30$42.409.0%10.92607
PUTS (0)
No puts meet the criteria

Most actively traded options today. High liquidity = easy entry/exit. 72 active (total vol 457, top 95)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$230.00Sep 183.704.90$4.3027.9%950.34539
$220.00Aug 212.104.00$3.0562.3%370.58540
$210.00Sep 1813.5016.40$14.9519.4%310.721.0K
$220.00Sep 187.109.90$8.5032.9%200.53802
$220.00Sep 44.808.80$6.8058.8%180.5513
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$220.00Sep 185.608.60$7.1042.3%210.4731
$195.00Sep 40.002.30$1.15200.0%160.10--
$210.00Sep 182.805.40$4.1063.4%110.29120
$195.00Sep 180.751.55$1.1569.6%70.10207
$207.50Aug 210.001.65$0.83198.8%40.13--

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 7 strikes (avg 74.6%, max 128.6%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$210.00Aug 21Sep 1878.1%34.2%128.6%451.2K
$215.00Aug 21Sep 2561.3%30.8%99.0%13165
$212.50Aug 21Aug 2870.9%36.6%93.9%535
$220.00Aug 21Sep 2541.6%30.1%38.1%38540
$222.50Aug 21Sep 441.2%33.1%24.4%1549
PUTS (1)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$210.00Aug 21Sep 1878.1%34.2%128.6%15120

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 35 found (best R:R 16.86, avg 7.51)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$232.50$240.00Aug 28$0.42$7.08$0.4221%16.86$232.92
$250.00$260.00Sep 18$0.28$9.72$0.2812%34.71$250.28
$222.50$225.00Aug 28$0.48$2.02$0.4844%4.21$222.98
$220.00$225.00Sep 25$1.95$3.05$1.9553%1.56$221.95
$212.50$215.00Aug 21$1.55$0.95$1.5580%0.61$214.05
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$220.00$210.00Sep 18$3.00$7.00$3.0047%2.33$217.00
$215.00$212.50Aug 21$0.15$2.35$0.1526%15.67$214.85
$195.00$190.00Sep 18$0.15$4.85$0.1510%32.33$194.85
$212.50$210.00Aug 21$0.20$2.30$0.2021%11.50$212.30
$190.00$185.00Sep 18$0.12$4.88$0.128%40.67$189.88

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 26 found (best R:R 0.72, avg 0.30)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$227.50$230.00Aug 21$1.05$1.05$1.4574%0.72$228.55
$227.50$230.00Aug 28$1.07$1.07$1.4370%0.75$228.57
$222.50$225.00Aug 21$1.08$1.08$1.4257%0.76$223.58
$225.00$230.00Sep 25$2.15$2.15$2.8555%0.75$227.15
$235.00$245.00Oct 2$2.28$2.28$7.7268%0.30$237.28
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$200.00$195.00Sep 18$1.15$1.15$3.8583%0.30$198.85
$202.50$200.00Aug 21$0.53$0.53$1.9788%0.27$201.97
$200.00$197.50Aug 21$0.30$0.30$2.2092%0.14$199.70
$210.00$207.50Aug 21$0.37$0.37$2.1383%0.17$209.63
$190.00$185.00Sep 4$0.27$0.27$4.7391%0.06$189.73

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 3 found (avg debit $1.67, cheapest $1.40)

CALLS (3)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$217.50Aug 21Aug 28$1.4049.9%33.1%
$220.00Aug 21Aug 28$2.2041.6%31.2%
$222.50Aug 21Aug 28$1.4041.2%30.9%
PUTS (0)
No puts found

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 8 found (cheapest 4.13% of stock, avg 7.19%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$215.00Aug 21$7.60$1.55$9.15$205.85$224.154.13%
$212.50Aug 21$9.15$1.40$10.55$201.95$223.054.76%
$210.00Aug 21$11.30$1.20$12.50$197.50$222.505.64%
$207.50Aug 21$13.85$0.83$14.68$192.82$222.186.63%
$220.00Sep 18$8.50$7.10$15.60$204.40$235.607.04%
$210.00Sep 18$14.95$4.10$19.05$190.95$229.058.60%
$202.50Aug 21$18.95$1.13$20.08$182.42$222.589.06%
$200.00Sep 18$23.55$2.30$25.85$174.15$225.8511.67%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 44 found (cheapest 0.53% of stock, avg 1.75%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$230.00$207.50Aug 21$0.35$0.83$1.18$206.32$231.18
$230.00$202.50Aug 21$0.35$1.13$1.48$201.02$231.48
$230.00$210.00Aug 21$0.35$1.20$1.55$208.45$231.55
$230.00$212.50Aug 21$0.35$1.40$1.75$210.75$231.75
$260.00$190.00Sep 18$1.02$1.00$2.02$187.98$262.02
$225.00$207.50Aug 21$0.95$0.83$1.78$205.72$226.78
$260.00$195.00Sep 18$1.02$1.15$2.17$192.83$262.17
$230.00$215.00Aug 21$0.35$1.55$1.90$213.10$231.90
$225.00$210.00Aug 21$0.95$1.20$2.15$207.85$227.15
$250.00$190.00Sep 18$1.30$1.00$2.30$187.70$252.30

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 13 found (best R:R 1.72, avg credit $2.03)

Put SpreadCall SpreadExpiryCreditMax LossPOPR:RBE LowBE High
200/202228/230Aug 21$1.58$0.9262%1.72$200.92$229.08
198/200228/230Aug 21$1.35$1.1566%1.17$198.65$228.85
208/210228/230Aug 21$1.42$1.0857%1.31$208.58$228.92
210/212228/230Aug 21$1.25$1.2553%1.00$211.25$228.75
212/215228/230Aug 21$1.20$1.3049%0.92$213.80$228.70
195/200250/260Sep 18$1.43$8.5771%0.17$198.57$251.43
185/190250/260Sep 18$0.40$9.6080%0.04$189.60$250.40
190/195250/260Sep 18$0.43$9.5778%0.04$194.57$250.43
200/210250/260Sep 18$2.08$7.9259%0.26$207.92$252.08
185/190230/250Sep 18$3.12$16.8858%0.18$186.88$233.12

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 17 found (best R:R 7.33, cheapest $0.10)

CALLS (5)
LowMidHighExpiryDebitMax GainPOPR:R
$215.00$217.50$220.00Aug 28$0.10$2.4018%24.00
$210.00$220.00$230.00Sep 18$2.25$7.7538%3.44
$190.00$195.00$200.00Sep 18$0.20$4.809%24.00
$207.50$210.00$212.50Aug 21$0.40$2.109%5.25
$200.00$210.00$220.00Sep 18$2.15$7.8530%3.65
PUTS (4)
LowMidHighExpiryDebitMax GainPOPR:R
$200.00$210.00$220.00Sep 18$1.20$8.8030%7.33
$197.50$200.00$202.50Aug 21$0.23$2.278%9.87
$180.00$185.00$190.00Sep 18$0.54$4.460%8.26
$190.00$195.00$200.00Sep 18$1.00$4.009%4.00

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 43 found (best net $-4.25, 38 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$200.00$210.001:2Aug 28-$4.25$5.75
$210.00$220.001:2Sep 18-$2.05$7.95
$220.00$230.001:2Sep 18-$0.10$9.90
$230.00$240.001:2Sep 25-$0.20$9.80
$235.00$245.001:2Oct 2-$0.32$9.68
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$220.00$210.001:2Sep 18-$1.10$8.90
$210.00$200.001:2Sep 18-$0.50$9.50
$200.00$195.001:2Sep 18$0.00$5.00
$202.50$200.001:2Aug 21-$0.07$2.43
$200.00$197.501:2Aug 21$0.00$2.50

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 17 found (best yield 2.62%, avg 0.84%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$225.00Sep 25$5.800.451.6%2.62%4.17%21
$235.00Oct 2$2.950.326.1%1.33%7.40%21
$230.00Sep 25$3.500.373.8%1.58%5.39%122
$230.00Sep 18$3.700.343.8%1.67%5.48%95539
$245.00Oct 2$0.800.2010.6%0.36%10.94%1--
$240.00Sep 25$1.000.238.3%0.45%8.77%154
$230.00Sep 11$2.300.343.8%1.04%4.85%327
$235.00Sep 11$0.900.256.1%0.41%6.47%1--
$222.50Sep 4$3.700.480.4%1.67%2.09%1--
$227.50Sep 4$1.650.352.7%0.74%3.43%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 745
Total Puts 201
Put/Call Ratio 0.27
Net Difference 544

Prior's Put/Call Breakdown

Total Calls 591
Total Puts 220
Put/Call Ratio 0.37
Net Difference 371

Prior 7-Day Put/Call Summary

Total Calls 4,000
Total Puts 5,718
Average Put/Call Ratio 1.58
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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