Tour v526
BIIB
BIOGEN INC
$216.78 +1.13%
$215.00 (-0.82%)🌙
as of 08/21 06:14 PM
(8/20 18:14) ◀
|
Friday, August 21, 2026 (6:14pm)
January 2026
|
▶ (8/25 18:14)
◀ 8/21 18:14 ▶

Option Volume

Detail
ℹ
Current (08/21) 1,007
Calls: 622 (62%)
Puts: 385 (38%)
Prior (08/20) 1,272
Calls: 643 (51%)
Puts: 629 (49%)
Current vs Prior -20.83%
Calls: -3.27% (Calls)
Puts: -38.79% (Puts)
Prior 7-Day Total 9,960
Calls: 4,641 (47%)
Puts: 5,319 (53%)
Prior 7-Day Average 1,422
Calls: 663 (47%)
Puts: 759 (53%)
Current vs Prior 7-Day Avg -29.23%
Calls: -6.18%
Puts: -49.33%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (08/21) $576.3K
Calls: $496.6K (86%)
Puts: $79.7K (14%)
Prior (08/20) $925.8K
Calls: $450.4K (49%)
Puts: $475.4K (51%)
Current vs Prior -37.75%
Calls: +10.25%
Puts: -83.24%
Prior 7-Day Total $10.04M
Calls: $8.42M (84%)
Puts: $1.62M (16%)
Prior 7-Day Average $1.43M
Calls: $1.20M (84%)
Puts: $231.0K (16%)
Current vs Prior 7-Day Avg -59.81%
Calls: -58.72%
Puts: -65.51%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (08/21) 0.62
Prior (08/20) 0.98
Current vs Prior -36.73%
Prior 7-Day Average 1.27
Current vs Prior 7-Day Avg -51.11%
Sentiment BULLISH

Open Interest

Detail
ℹ
Current (08/21) 7,426
Calls: 5,932 (80%)
Puts: 1,494 (20%)
Prior (08/20) 5,992
Calls: 5,435 (91%)
Puts: 557 (9%)
Current vs Prior +23.93%
Prior 7-Day Total 66,161
Calls: 51,713 (78%)
Puts: 14,448 (22%)
Prior 7-Day Average 9,451
Calls: 7,387 (78%)
Puts: 2,064 (22%)
Current vs Prior 7-Day Avg -21.43%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (08/21) | Next (08/28)Expiry (08/21) | Next (09/18)
Current 1.58% | 4.22%1.58% | 9.43%
Prior 2.56% | 4.97%2.56% | 10.03%
Current vs Prior +65.10% | +8.16%-38.11% | -5.95%
Prior 7-Day Avg 2.99% | 4.93%3.50% | 10.33%
Current vs 7-Day Avg +41.16% | +9.08%-54.79% | -8.69%
Prior 7-Day Eod 2.56% | 4.97%2.56% | 10.03%
Current vs 7-Day Eod +65.10% | +8.16%-38.11% | -5.95%
Sentiment BEARISHBULLISH

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 86% of dollar volume in calls ($496.6K) vs puts ($79.7K). Bullish P/C ratio of 0.62. P/C ratio dropping 37% - sentiment shifting bullish. Call-heavy open interest (5,932 calls vs 1,494 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 BEARISH
7-Day Avg BULLISH
Current BULLISH
Prior NEUTRAL
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. 17 found (avg delta 0.80, highest 1.00)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$195.00Aug 2120.1024.00$22.0517.7%100.99--
$210.00Aug 216.509.00$7.7532.3%360.98198
$200.00Aug 2115.1019.00$17.0522.9%110.9543
$190.00Aug 2125.1028.40$26.7512.3%100.91--
$200.00Aug 2815.5019.40$17.4522.3%100.89--
PUTS (2)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$220.00Aug 211.104.80$2.95125.4%31.008
$217.50Sep 44.507.30$5.9047.5%10.51--

Most actively traded options today. High liquidity = easy entry/exit. 56 active (total vol 816, top 93)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$215.00Aug 283.906.10$5.0044.0%930.59188
$200.00Sep 1817.5021.40$19.4520.1%800.841.0K
$235.00Aug 280.101.30$0.70171.4%550.11--
$220.00Aug 282.203.10$2.6534.0%400.39138
$210.00Aug 216.509.00$7.7532.3%360.98198
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$212.50Aug 280.553.00$1.78137.6%670.305
$200.00Sep 110.003.40$1.70200.0%440.1741
$205.00Sep 110.404.40$2.40166.7%440.2320
$202.50Aug 280.002.10$1.05200.0%380.143
$210.00Sep 183.705.90$4.8045.8%190.34160

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 1172.9%, max 2504.8%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$207.50Aug 21Aug 28688.3%41.6%1553.7%629
$222.50Aug 21Sep 4447.6%32.4%1280.5%658
$225.00Aug 21Aug 28435.8%33.3%1208.8%619
$215.00Aug 21Sep 25259.5%30.2%760.2%3257
$220.00Aug 21Sep 18179.3%32.4%453.6%40520
PUTS (1)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$205.00Aug 21Sep 25786.4%30.2%2504.8%544

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 27 found (best R:R 32.33, avg 7.89)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$230.00$240.00Sep 18$0.30$9.70$0.3024%32.33$230.30
$215.00$217.50Aug 21$0.93$1.57$0.9372%1.69$215.93
$227.50$235.00Aug 28$0.35$7.15$0.3518%20.43$227.85
$240.00$250.00Sep 18$0.75$9.25$0.7518%12.33$240.75
$210.00$220.00Sep 18$5.30$4.70$5.3066%0.89$215.30
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$205.00$200.00Sep 11$0.70$4.30$0.7023%6.14$204.30
$202.50$200.00Aug 28$0.15$2.35$0.1514%15.67$202.35
$220.00$210.00Aug 21$2.92$7.08$2.92100%2.42$217.08
$195.00$190.00Sep 18$0.32$4.68$0.3212%14.63$194.68
$200.00$195.00Sep 18$0.50$4.50$0.5016%9.00$199.50

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 21 found (best R:R 0.45, avg 0.32)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$220.00$230.00Sep 18$4.15$4.15$5.8554%0.71$224.15
$220.00$230.00Sep 11$3.50$3.50$6.5056%0.54$223.50
$220.00$222.50Sep 4$1.10$1.10$1.4058%0.79$221.10
$217.50$220.00Aug 21$0.85$0.85$1.6552%0.52$218.35
$222.50$225.00Aug 21$0.53$0.53$1.9775%0.27$223.03
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$210.00$200.00Sep 18$3.10$3.10$6.9066%0.45$206.90
$215.00$212.50Aug 28$1.30$1.30$1.2059%1.08$213.70
$212.50$205.00Aug 28$1.28$1.28$6.2270%0.21$211.22
$200.00$195.00Aug 28$0.42$0.42$4.5888%0.09$199.58
$190.00$180.00Sep 18$0.45$0.45$9.5592%0.05$189.55

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 1 found (avg debit $2.70, cheapest $2.70)

CALLS (1)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$217.50Aug 21Aug 28$2.70187.2%34.1%
PUTS (0)
No puts found

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 9 found (cheapest 1.50% of stock, avg 5.70%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$220.00Aug 21$0.30$2.95$3.25$216.75$223.251.50%
$210.00Aug 21$7.75$0.03$7.78$202.22$217.783.59%
$215.00Aug 28$5.00$3.08$8.08$206.92$223.083.73%
$207.50Aug 21$9.55$1.13$10.68$196.82$218.184.93%
$210.00Sep 4$9.75$2.38$12.13$197.87$222.135.60%
$205.00Aug 21$12.15$1.08$13.23$191.77$218.236.10%
$210.00Sep 18$11.80$4.80$16.60$193.40$226.607.66%
$200.00Aug 28$17.45$0.90$18.35$181.65$218.358.46%
$200.00Sep 18$19.45$1.70$21.15$178.85$221.159.76%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 62 found (cheapest 0.55% of stock, avg 1.72%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$235.00$205.00Aug 28$0.70$0.50$1.20$203.80$236.20
$220.00$205.00Aug 21$0.30$1.08$1.38$203.62$221.38
$220.00$207.50Aug 21$0.30$1.13$1.43$206.07$221.43
$220.00$175.00Aug 21$0.30$1.08$1.38$173.62$221.38
$235.00$200.00Aug 28$0.70$0.90$1.60$198.40$236.60
$225.00$205.00Aug 21$0.55$1.08$1.63$203.37$226.63
$227.50$205.00Aug 28$1.05$0.50$1.55$203.45$229.05
$230.00$205.00Aug 21$0.55$1.08$1.63$203.37$231.63
$230.00$175.00Aug 21$0.55$1.08$1.63$173.37$231.63
$225.00$207.50Aug 21$0.55$1.13$1.68$205.82$226.68

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 17 found (best R:R 0.16, avg credit $1.23)

Put SpreadCall SpreadExpiryCreditMax LossPOPR:RBE LowBE High
200/202225/228Aug 28$0.35$2.1564%0.16$202.15$225.35
195/200235/242Aug 28$0.67$6.8377%0.10$199.33$235.67
195/200225/228Aug 28$0.62$4.3866%0.14$199.38$225.62
200/210240/250Sep 18$3.85$6.1548%0.63$206.15$243.85
180/190240/250Sep 18$1.20$8.8074%0.14$188.80$241.20
195/200228/235Aug 28$0.77$6.7370%0.11$199.23$228.27
200/202235/242Aug 28$0.40$7.1075%0.06$202.10$235.40
205/212235/242Aug 28$1.53$5.9759%0.26$210.97$236.53
190/195240/250Sep 18$1.07$8.9370%0.12$193.93$241.07
200/202228/235Aug 28$0.50$7.0068%0.07$202.00$228.00

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 12 found (best R:R 7.70, cheapest $0.08)

CALLS (5)
LowMidHighExpiryDebitMax GainPOPR:R
$210.00$220.00$230.00Sep 18$1.15$8.8542%7.70
$215.00$217.50$220.00Aug 21$0.08$2.4253%30.25
$227.50$235.00$242.50Aug 28$0.10$7.4011%74.00
$195.00$200.00$205.00Aug 21$0.10$4.9015%49.00
$200.00$207.50$215.00Aug 28$1.25$6.2530%5.00
PUTS (1)
LowMidHighExpiryDebitMax GainPOPR:R
$190.00$195.00$200.00Sep 18$0.18$4.828%26.78

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 37 found (best net $-1.20, 25 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$210.00$220.001:2Sep 18-$1.20$8.80
$200.00$210.001:2Sep 18-$4.15$5.85
$200.00$207.501:2Aug 28-$3.75$3.75
$215.00$217.501:2Aug 21-$0.22$2.28
$210.00$212.501:2Aug 21-$1.45$1.05
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$205.00$175.001:2Aug 21-$1.08$28.92
$215.00$212.501:2Aug 28-$0.48$2.02
$200.00$195.001:2Aug 28-$0.06$4.94
$200.00$195.001:2Sep 18-$0.70$4.30
$205.00$200.001:2Sep 11-$1.00$4.00

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 13 found (best yield 2.08%, avg 0.68%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$220.00Sep 18$4.500.461.5%2.08%3.56%16--
$220.00Sep 11$4.200.441.5%1.94%3.42%98
$240.00Sep 18$0.500.1810.7%0.23%10.94%1578
$230.00Sep 18$1.300.246.1%0.60%6.70%20--
$250.00Sep 18$0.250.1215.3%0.12%15.44%1--
$220.00Sep 4$2.200.421.5%1.01%2.50%5--
$220.00Aug 28$2.200.391.5%1.01%2.50%40138
$230.00Sep 11$0.200.236.1%0.09%6.19%341
$222.50Sep 4$1.000.342.6%0.46%3.10%14
$225.00Aug 28$0.500.223.8%0.23%4.02%419

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 622
Total Puts 385
Put/Call Ratio 0.62
Net Difference 237

Prior's Put/Call Breakdown

Total Calls 643
Total Puts 629
Put/Call Ratio 0.98
Net Difference 14

Prior 7-Day Put/Call Summary

Total Calls 4,641
Total Puts 5,319
Average Put/Call Ratio 1.27
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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