Tour v509
BIIB
BIOGEN INC
$212.55 +1.63%
$213.09 (+0.25%)🌙
as of 08/18 06:14 PM
(8/17 18:14) ◀
|
Tuesday, August 18, 2026 (6:14pm)
January 2026
|
▶ (8/19 18:14)
◀ 8/18 18:14 ▶

Option Volume

Detail
ℹ
Current (08/18) 811
Calls: 591 (73%)
Puts: 220 (27%)
Prior (08/17) 528
Calls: 413 (78%)
Puts: 115 (22%)
Current vs Prior +53.60%
Calls: +43.10% (Calls)
Puts: +91.30% (Puts)
Prior 7-Day Total 10,707
Calls: 3,732 (35%)
Puts: 6,975 (65%)
Prior 7-Day Average 1,529
Calls: 533 (35%)
Puts: 996 (65%)
Current vs Prior 7-Day Avg -46.98%
Calls: +10.85%
Puts: -77.92%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (08/18) $1.97M
Calls: $1.84M (93%)
Puts: $133.0K (7%)
Prior (08/17) $553.2K
Calls: $489.4K (88%)
Puts: $63.8K (12%)
Current vs Prior +255.99%
Calls: +275.24%
Puts: +108.38%
Prior 7-Day Total $7.03M
Calls: $5.71M (81%)
Puts: $1.31M (19%)
Prior 7-Day Average $1.00M
Calls: $816.1K (81%)
Puts: $187.6K (19%)
Current vs Prior 7-Day Avg +96.22%
Calls: +125.02%
Puts: -29.09%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (08/18) 0.37
Prior (08/17) 0.28
Current vs Prior +33.69%
Prior 7-Day Average 2.18
Current vs Prior 7-Day Avg -82.94%
Sentiment BULLISH

Open Interest

Detail
ℹ
Current (08/18) 9,439
Calls: 7,445 (79%)
Puts: 1,994 (21%)
Prior (08/17) 6,832
Calls: 4,862 (71%)
Puts: 1,970 (29%)
Current vs Prior +38.16%
Prior 7-Day Total 53,488
Calls: 40,566 (76%)
Puts: 12,922 (24%)
Prior 7-Day Average 7,641
Calls: 5,795 (76%)
Puts: 1,846 (24%)
Current vs Prior 7-Day Avg +23.53%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (08/21) | Next (08/28)Expiry (08/21) | Next (09/18)
Current 3.10% | 5.46%3.10% | 10.16%
Prior 3.40% | 5.31%3.40% | 10.38%
Current vs Prior -8.93% | +2.83%-8.94% | -2.05%
Prior 7-Day Avg 3.32% | 5.04%4.55% | 10.92%
Current vs 7-Day Avg -6.88% | +8.36%-31.91% | -6.92%
Prior 7-Day Eod 3.40% | 5.31%3.40% | 10.38%
Current vs 7-Day Eod -8.93% | +2.83%-8.94% | -2.05%
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 93% of dollar volume in calls ($1.84M) vs puts ($133.0K). Massive premium surge with dollar volume up 256% vs prior. Dollar volume significantly above 7-day average (96% higher). Above-average activity with volume up 54% vs prior.

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. 14 found (avg delta 0.73, highest 0.98)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$200.00Aug 2111.0014.90$12.9530.1%200.9446
$195.00Sep 1818.5022.40$20.4519.1%30.83215
$200.00Sep 1814.4017.60$16.0020.0%10.781.0K
$205.00Sep 49.2013.10$11.1535.0%10.74--
$207.50Aug 214.308.30$6.3063.5%70.7431
PUTS (4)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$240.00Aug 2125.4029.10$27.2513.6%20.98--
$220.00Aug 216.109.80$7.9546.5%70.84--
$220.00Aug 287.9011.10$9.5033.7%20.76--
$212.50Aug 210.504.40$2.45159.2%20.5010

Most actively traded options today. High liquidity = easy entry/exit. 53 active (total vol 313, top 42)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$222.50Aug 210.002.50$1.25200.0%420.2011
$230.00Sep 182.303.60$2.9544.1%390.24516
$220.00Aug 280.302.60$1.45158.6%340.2536
$210.00Sep 187.6011.70$9.6542.5%260.581.0K
$200.00Aug 2111.0014.90$12.9530.1%200.9446
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$197.50Aug 210.001.15$0.57201.8%70.10--
$210.00Aug 210.403.50$1.95159.0%70.37--
$220.00Aug 216.109.80$7.9546.5%70.84--
$180.00Sep 180.251.30$0.78134.6%70.07359
$195.00Aug 210.000.15$0.08187.5%60.0287

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 32.3%, max 73.5%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$222.50Aug 21Sep 460.1%34.6%73.5%4511
$207.50Aug 21Sep 443.0%31.1%38.1%831
$210.00Aug 21Sep 2539.7%30.4%30.6%12208
$220.00Aug 21Sep 1838.6%30.7%25.8%111.3K
$215.00Aug 21Sep 1139.7%32.6%21.8%569
PUTS (0)
No puts found

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 31 found (best R:R 4.71, avg 4.63)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$220.00$230.00Sep 18$1.75$8.25$1.7538%4.71$221.75
$230.00$240.00Sep 11$0.46$9.54$0.4618%20.74$230.46
$200.00$210.00Sep 18$6.35$3.65$6.3578%0.57$206.35
$207.50$210.00Aug 21$1.10$1.40$1.1074%1.27$208.60
$215.00$217.50Aug 21$0.25$2.25$0.2537%9.00$215.25
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$220.00$210.00Aug 28$5.45$4.55$5.4576%0.83$214.55
$212.50$210.00Aug 21$0.50$2.00$0.5050%4.00$212.00
$195.00$190.00Sep 11$0.53$4.47$0.5318%8.43$194.47
$205.00$200.00Aug 21$0.30$4.70$0.3014%15.67$204.70
$200.00$180.00Sep 18$1.67$18.33$1.6722%10.98$198.33

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 23 found (best R:R 1.04, avg 0.32)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$215.00$220.00Aug 28$2.55$2.55$2.4556%1.04$217.55
$222.50$225.00Sep 4$1.35$1.35$1.1571%1.17$223.85
$225.00$240.00Aug 28$1.40$1.40$13.6079%0.10$226.40
$217.50$220.00Aug 21$1.05$1.05$1.4570%0.72$218.55
$222.50$225.00Aug 21$0.60$0.60$1.9080%0.32$223.10
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$197.50$195.00Aug 21$0.49$0.49$2.0190%0.24$197.01
$210.00$205.00Aug 21$1.40$1.40$3.6063%0.39$208.60
$210.00$200.00Aug 28$2.50$2.50$7.5060%0.33$207.50
$210.00$195.00Sep 11$3.67$3.67$11.3357%0.32$206.33
$200.00$180.00Sep 18$1.67$1.67$18.3378%0.09$198.33

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 3 found (avg debit $2.88, cheapest $4.45)

CALLS (2)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$210.00Aug 21Sep 18$4.4539.7%30.3%
$215.00Aug 21Aug 28$2.1039.7%35.6%
PUTS (1)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$210.00Aug 21Aug 28$2.1039.7%38.5%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 6 found (cheapest 2.28% of stock, avg 4.95%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$212.50Aug 21$2.40$2.45$4.85$207.65$217.352.28%
$210.00Aug 21$5.20$1.95$7.15$202.85$217.153.36%
$220.00Aug 21$0.60$7.95$8.55$211.45$228.554.02%
$220.00Aug 28$1.45$9.50$10.95$209.05$230.955.15%
$200.00Aug 21$12.95$0.25$13.20$186.80$213.206.21%
$200.00Sep 18$16.00$2.45$18.45$181.55$218.458.68%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 54 found (cheapest 0.40% of stock, avg 2.10%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$220.00$200.00Aug 21$0.60$0.25$0.85$199.15$220.85
$220.00$205.00Aug 21$0.60$0.55$1.15$203.85$221.15
$220.00$197.50Aug 21$0.60$0.57$1.17$196.33$221.17
$222.50$200.00Aug 21$1.25$0.25$1.50$198.50$224.00
$222.50$205.00Aug 21$1.25$0.55$1.80$203.20$224.30
$222.50$197.50Aug 21$1.25$0.57$1.82$195.68$224.32
$240.00$180.00Sep 18$1.30$0.78$2.08$177.92$242.08
$217.50$200.00Aug 21$1.65$0.25$1.90$198.10$219.40
$222.50$200.00Aug 28$0.95$1.55$2.50$197.50$225.00
$217.50$205.00Aug 21$1.65$0.55$2.20$202.80$219.70

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 7 found (best R:R 1.60, avg credit $1.57)

Put SpreadCall SpreadExpiryCreditMax LossPOPR:RBE LowBE High
195/198218/220Aug 21$1.54$0.9661%1.60$195.96$219.04
195/198222/225Aug 21$1.09$1.4170%0.77$196.41$223.59
190/195225/230Sep 11$1.78$3.2256%0.55$193.22$226.78
200/205222/225Aug 21$0.90$4.1065%0.22$204.10$223.40
200/205218/220Aug 21$1.35$3.6556%0.37$203.65$218.85
190/195230/240Sep 11$0.99$9.0164%0.11$194.01$230.99
180/200230/240Sep 18$3.32$16.6854%0.20$196.68$233.32

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 10 found (best R:R 99.00, cheapest $0.10)

CALLS (5)
LowMidHighExpiryDebitMax GainPOPR:R
$220.00$230.00$240.00Sep 18$0.10$9.9025%99.00
$200.00$210.00$220.00Sep 18$1.40$8.6040%6.14
$215.00$220.00$225.00Sep 11$0.29$4.7118%16.24
$212.50$215.00$217.50Aug 21$0.25$2.2520%9.00
$210.00$220.00$230.00Sep 18$3.20$6.8034%2.12
PUTS (2)
LowMidHighExpiryDebitMax GainPOPR:R
$200.00$210.00$220.00Aug 28$2.95$7.0558%2.39
$200.00$205.00$210.00Aug 21$1.10$3.9030%3.55

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 $-3.30, 17 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$200.00$210.001:2Sep 18-$3.30$6.70
$220.00$230.001:2Sep 18-$1.20$8.80
$230.00$240.001:2Sep 11-$0.81$9.19
$225.00$230.001:2Sep 11-$0.48$4.52
$222.50$225.001:2Sep 4-$0.10$2.40
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$195.00$190.001:2Sep 11-$0.97$4.03
$212.50$210.001:2Aug 21-$1.45$1.05
$200.00$197.501:2Aug 21-$0.89$1.61
$240.00$220.001:2Aug 21$11.35$8.65
$220.00$210.001:2Aug 28$1.40$8.60

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 15 found (best yield 1.83%, avg 0.74%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$220.00Sep 18$3.900.383.5%1.83%5.34%9802
$235.00Oct 2$2.150.2010.6%1.01%11.57%1--
$230.00Sep 18$2.300.248.2%1.08%9.29%39516
$215.00Sep 11$4.500.451.1%2.12%3.27%1--
$220.00Sep 11$2.450.353.5%1.15%4.66%1--
$230.00Sep 25$0.850.248.2%0.40%8.61%1111
$225.00Sep 11$1.050.275.9%0.49%6.35%120
$230.00Sep 11$1.100.188.2%0.52%8.73%2--
$240.00Sep 18$0.500.1312.9%0.24%13.15%1--
$222.50Sep 4$0.900.294.7%0.42%5.10%3--

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

Prior's Put/Call Breakdown

Total Calls 413
Total Puts 115
Put/Call Ratio 0.28
Net Difference 298

Prior 7-Day Put/Call Summary

Total Calls 3,732
Total Puts 6,975
Average Put/Call Ratio 2.18
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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