Tour v490
BIIB
BIOGEN INC
$208.45 +3.29%
$208.00 (-0.22%)🌙
as of 08/04 06:27 PM
(8/3 18:15) ◀
|
Tuesday, August 4, 2026 (6:27pm)
January 2026
|
▶ (8/5 18:30)
◀ 8/4 18:27 ▶

Option Volume

Detail
ℹ
Current (08/04) 4,639
Calls: 1,177 (25%)
Puts: 3,462 (75%)
Prior (08/03) 1,547
Calls: 594 (38%)
Puts: 953 (62%)
Current vs Prior +199.87%
Calls: +98.15% (Calls)
Puts: +263.27% (Puts)
Prior 7-Day Total 10,290
Calls: 5,494 (53%)
Puts: 4,796 (47%)
Prior 7-Day Average 1,470
Calls: 784 (53%)
Puts: 685 (47%)
Current vs Prior 7-Day Avg +215.58%
Calls: +49.96%
Puts: +405.30%
Sentiment BEARISH

Dollar Volume

Detail
ℹ
Current (08/04) $1.96M
Calls: $1.63M (83%)
Puts: $325.6K (17%)
Prior (08/03) $704.5K
Calls: $535.8K (76%)
Puts: $168.7K (24%)
Current vs Prior +177.73%
Calls: +204.39%
Puts: +93.06%
Prior 7-Day Total $7.68M
Calls: $4.27M (56%)
Puts: $3.41M (44%)
Prior 7-Day Average $1.10M
Calls: $609.6K (56%)
Puts: $487.6K (44%)
Current vs Prior 7-Day Avg +78.34%
Calls: +167.57%
Puts: -33.22%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (08/04) 2.94
Prior (08/03) 1.60
Current vs Prior +83.33%
Prior 7-Day Average 1.05
Current vs Prior 7-Day Avg +179.13%
Sentiment BEARISH

Open Interest

Detail
ℹ
Current (08/04) 13,127
Calls: 10,207 (78%)
Puts: 2,920 (22%)
Prior (08/03) 6,630
Calls: 3,558 (54%)
Puts: 3,072 (46%)
Current vs Prior +97.99%
Prior 7-Day Total 119,117
Calls: 70,423 (59%)
Puts: 48,694 (41%)
Prior 7-Day Average 17,016
Calls: 10,060 (59%)
Puts: 6,956 (41%)
Current vs Prior 7-Day Avg -22.86%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (08/07) | Next (08/14)Expiry (08/21) | Next (09/18)
Current 3.97% | 5.40%7.08% | 12.88%
Prior 3.98% | 4.88%6.84% | 12.88%
Current vs Prior -0.17% | +10.58%+3.48% | -0.02%
Prior 7-Day Avg 4.70% | 6.30%8.31% | 13.49%
Current vs 7-Day Avg -15.50% | -14.29%-14.87% | -4.55%
Prior 7-Day Eod 3.98% | 4.88%6.84% | 12.88%
Current vs 7-Day Eod -0.17% | +10.58%+3.48% | -0.02%
Sentiment BULLISHBEARISH

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 166.73% | 37.94%
Calls: 58.23% | 41.03%
Puts: 275.23% | 34.85%
Current vs 7-Day Avg +37.59% | -23.89%
Liquidity Expensive
+
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🤖 AI Insights

Strong bullish conviction with 83% of dollar volume in calls ($1.63M) vs puts ($325.6K). Massive premium surge with dollar volume up 178% vs prior. Dollar volume significantly above 7-day average (78% higher). Unusually high activity with volume up 200% vs prior - elevated interest.

Smart Money BULLISH
Retail Flow BEARISH
Overall BEARISH
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BULLISH
Prior BULLISH
7-Day Avg BULLISH
Current BEARISH
Prior BEARISH
7-Day Avg NEUTRAL
Current BEARISH
Prior BEARISH
7-Day Avg NEUTRAL
Current BULLISH
Prior NEUTRAL
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 8.1%, best 8.1%)

CALLS (1)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$170.00Aug 2138.0041.20$39.608.1%1510.92606
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. 19 found (avg delta 0.69, highest 0.92)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$170.00Aug 2138.0041.20$39.608.1%1510.92606
$195.00Aug 712.8015.40$14.1018.4%10.90--
$195.00Aug 1413.7017.00$15.3521.5%10.8511
$195.00Aug 2114.5018.00$16.2521.5%120.8224
$202.50Aug 75.909.20$7.5543.7%130.81303
PUTS (2)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$220.00Sep 1815.1018.30$16.7019.2%10.62--
$210.00Aug 215.608.80$7.2044.4%20.51--

Most actively traded options today. High liquidity = easy entry/exit. 74 active (total vol 1.2K, top 328)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$200.00Sep 1814.5017.90$16.2021.0%3280.67876
$215.00Aug 283.806.90$5.3557.9%1950.402
$170.00Aug 2138.0041.20$39.608.1%1510.92606
$230.00Aug 210.402.95$1.68151.8%1150.17192
$210.00Sep 189.8012.30$11.0522.6%340.521.1K
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$200.00Aug 70.102.35$1.23182.9%210.2062
$200.00Aug 211.703.80$2.7576.4%210.27--
$180.00Sep 180.753.10$1.93121.8%210.12360
$205.00Aug 70.152.40$1.27177.2%180.2861
$185.00Aug 70.000.85$0.43197.7%150.0640

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 19 strikes (avg 45.4%, max 202.9%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$195.00Aug 7Sep 1863.7%36.0%76.7%3210
$200.00Aug 7Sep 1859.0%36.1%63.2%335876
$225.00Aug 7Sep 451.3%37.5%36.9%87
$230.00Aug 21Sep 1844.4%34.0%30.5%133722
$240.00Aug 28Sep 1844.6%34.5%29.0%5580
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$180.00Aug 7Sep 18120.8%39.9%202.9%22360
$185.00Aug 7Sep 1888.9%39.7%123.7%17372
$190.00Aug 7Sep 1870.0%34.0%105.9%1428
$200.00Aug 7Sep 1859.0%36.1%63.2%2262
$210.00Aug 21Sep 1843.7%35.3%23.9%3114

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 44 found (best R:R 17.75, avg 3.42)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$217.50$225.00Aug 7$0.40$7.10$0.4017.75$217.90
$240.00$250.00Sep 18$0.76$9.24$0.7612.16$240.76
$217.50$220.00Aug 14$0.28$2.22$0.287.93$217.78
$217.50$220.00Aug 21$0.32$2.18$0.326.81$217.82
$207.50$210.00Aug 21$0.35$2.15$0.356.14$207.85
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$180.00$175.00Sep 18$0.55$4.45$0.558.09$179.45
$202.50$200.00Aug 14$0.33$2.17$0.336.58$202.17
$200.00$185.00Aug 28$2.30$12.70$2.305.52$197.70
$200.00$195.00Aug 14$0.87$4.13$0.874.75$199.13
$185.00$180.00Sep 18$0.87$4.13$0.874.75$184.13

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 53 found (best R:R 14.15, avg 1.33)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$170.00$195.00Aug 21$23.35$23.35$1.6514.15$193.35
$200.00$202.50Aug 7$2.20$2.20$0.307.33$202.20
$195.00$200.00Aug 7$4.35$4.35$0.656.69$199.35
$195.00$200.00Aug 14$4.10$4.10$0.904.56$199.10
$202.50$205.00Aug 7$1.95$1.95$0.553.55$204.45
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$220.00$210.00Sep 18$6.05$6.05$3.951.53$213.95
$207.50$205.00Aug 14$1.35$1.35$1.151.17$206.15
$210.00$207.50Aug 21$1.15$1.15$1.350.85$208.85
$207.50$200.00Aug 21$3.30$3.30$4.200.79$204.20
$210.00$200.00Sep 18$4.35$4.35$5.650.77$205.65

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 20 found (avg debit $1.57, cheapest $0.35)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$240.00Aug 28Sep 11$0.3544.6%37.4%
$230.00Aug 21Sep 4$0.8544.4%37.5%
$217.50Aug 7Aug 14$1.0042.9%34.4%
$225.00Aug 7Aug 21$1.1751.3%35.4%
$195.00Aug 7Aug 14$1.2563.7%40.9%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$195.00Aug 14Aug 21$0.4740.9%35.6%
$200.00Aug 7Aug 14$0.7759.0%38.8%
$180.00Aug 7Sep 18$1.13120.8%39.9%
$185.00Aug 7Aug 28$1.1788.9%43.9%
$207.50Aug 14Aug 21$1.3738.1%37.0%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 12 found (cheapest 3.30% of stock, avg 7.84%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$205.00Aug 7$5.60$1.27$6.87$198.13$211.873.30%
$207.50Aug 14$6.00$4.68$10.68$196.82$218.185.12%
$200.00Aug 7$9.75$1.23$10.98$189.02$210.985.27%
$200.00Aug 14$11.25$2.00$13.25$186.75$213.256.36%
$207.50Aug 21$7.55$6.05$13.60$193.90$221.106.52%
$210.00Aug 21$7.20$7.20$14.40$195.60$224.406.91%
$195.00Aug 14$15.35$1.13$16.48$178.52$211.487.91%
$195.00Aug 21$16.25$1.60$17.85$177.15$212.858.56%
$210.00Sep 18$11.05$10.65$21.70$188.30$231.7010.41%
$200.00Sep 18$16.20$6.30$22.50$177.50$222.5010.79%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 97 found (cheapest 0.48% of stock, avg 2.74%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$225.00$197.50Aug 7$0.23$0.78$1.01$196.49$226.01
$225.00$180.00Aug 7$0.23$0.80$1.03$178.97$226.03
$217.50$197.50Aug 7$0.63$0.78$1.41$196.09$218.91
$217.50$180.00Aug 7$0.63$0.80$1.43$178.57$218.93
$225.00$200.00Aug 7$0.23$1.23$1.46$198.54$226.46
$225.00$192.50Aug 7$0.23$1.25$1.48$191.02$226.48
$225.00$205.00Aug 7$0.23$1.27$1.50$203.50$226.50
$217.50$200.00Aug 7$0.63$1.23$1.86$198.14$219.36
$217.50$192.50Aug 7$0.63$1.25$1.88$190.62$219.38
$217.50$205.00Aug 7$0.63$1.27$1.90$203.10$219.40

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 69 found (best R:R 11.50, avg credit $3.12)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
202/205208/210Aug 14$2.30$0.2011.50$202.70$209.80
198/200208/210Aug 7$2.28$0.2210.36$197.72$209.78
202/205210/212Aug 14$2.17$0.336.58$202.83$212.17
202/205215/218Aug 14$2.15$0.356.14$202.85$217.15
190/192205/208Aug 7$2.12$0.385.58$190.38$207.12
180/185195/200Sep 18$4.22$0.785.41$180.78$199.22
205/208212/215Aug 14$2.10$0.405.25$205.40$214.60
200/208210/215Aug 21$6.15$1.354.56$201.35$216.15
208/210215/218Aug 21$2.05$0.454.56$207.95$217.05
200/210220/230Sep 18$8.17$1.834.46$201.83$228.17

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 20 found (best R:R 54.56, cheapest $0.13)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$210.00$220.00$230.00Sep 18$0.18$9.8254.56
$207.50$210.00$212.50Aug 14$0.13$2.3718.23
$230.00$240.00$250.00Sep 18$0.69$9.3113.49
$200.00$202.50$205.00Aug 7$0.25$2.259.00
$200.00$210.00$220.00Sep 18$1.15$8.857.70
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$180.00$185.00$190.00Aug 7$0.29$4.7116.24
$175.00$180.00$185.00Sep 18$0.32$4.6814.63
$202.50$205.00$207.50Aug 14$0.35$2.156.14
$200.00$210.00$220.00Sep 18$1.70$8.304.88
$200.00$202.50$205.00Aug 14$0.67$1.832.73

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 48 found (best net $-0.26, 38 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$240.00$250.001:2Sep 18-$0.26$9.74
$230.00$240.001:2Sep 18-$0.33$9.67
$220.00$230.001:2Sep 11-$0.46$9.54
$195.00$205.001:2Aug 21-$1.55$8.45
$210.00$220.001:2Sep 18-$3.05$6.95
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$210.00$200.001:2Sep 18-$1.95$8.05
$220.00$210.001:2Sep 18-$4.60$5.40
$200.00$195.001:2Aug 14-$0.26$4.74
$200.00$195.001:2Aug 21-$0.45$4.55
$190.00$185.001:2Aug 7-$0.51$4.49

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 27 found (best yield 4.70%, avg 1.06%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$210.00Sep 18$9.800.520.7%4.70%5.44%341.1K
$210.00Aug 28$6.100.490.7%2.93%3.67%1--
$210.00Aug 21$6.000.490.7%2.88%3.62%5201
$220.00Sep 18$5.800.395.5%2.78%8.32%24768
$220.00Sep 11$4.200.375.5%2.01%7.56%1--
$215.00Aug 28$3.800.403.1%1.82%4.97%1952
$210.00Aug 14$3.600.470.7%1.73%2.47%325
$212.50Aug 14$2.350.401.9%1.13%3.07%33
$215.00Aug 21$2.200.383.1%1.06%4.20%429
$230.00Sep 18$1.950.2310.3%0.94%11.27%18530

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 1,177
Total Puts 3,462
Put/Call Ratio 2.94
Net Difference -2,285

Prior's Put/Call Breakdown

Total Calls 594
Total Puts 953
Put/Call Ratio 1.60
Net Difference -359

Prior 7-Day Put/Call Summary

Total Calls 5,494
Total Puts 4,796
Average Put/Call Ratio 1.05
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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