Tour v456
BIIB
BIOGEN INC
$209.23 +1.76%
$205.00 (-2.02%)🌙
as of 07/29 06:01 PM
(7/29 14:05) ◀
|
Wednesday, July 29, 2026 (6:01pm)
January 2026
|
▶
◀ 7/29 18:01

Option Volume

Detail
ℹ
Current (07/29) 2,600
Calls: 1,511 (58%)
Puts: 1,089 (42%)
Prior (07/28) 2,479
Calls: 1,170 (47%)
Puts: 1,309 (53%)
Current vs Prior +4.88%
Calls: +29.15% (Calls)
Puts: -16.81% (Puts)
Prior 7-Day Total 7,235
Calls: 3,508 (48%)
Puts: 3,727 (52%)
Prior 7-Day Average 1,033
Calls: 501 (48%)
Puts: 532 (52%)
Current vs Prior 7-Day Avg +151.55%
Calls: +201.51%
Puts: +104.53%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (07/29) $2.06M
Calls: $1.15M (56%)
Puts: $911.1K (44%)
Prior (07/28) $1.71M
Calls: $1.12M (66%)
Puts: $586.3K (34%)
Current vs Prior +20.35%
Calls: +2.05%
Puts: +55.40%
Prior 7-Day Total $4.65M
Calls: $2.75M (59%)
Puts: $1.90M (41%)
Prior 7-Day Average $664.0K
Calls: $392.9K (59%)
Puts: $271.2K (41%)
Current vs Prior 7-Day Avg +209.81%
Calls: +191.74%
Puts: +235.99%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (07/29) 0.72
Prior (07/28) 1.12
Current vs Prior -35.58%
Prior 7-Day Average 1.39
Current vs Prior 7-Day Avg -47.96%
Sentiment NEUTRAL

Open Interest

Detail
ℹ
Current (07/29) 43,914
Calls: 23,763 (54%)
Puts: 20,151 (46%)
Prior (07/28) 41,944
Calls: 22,874 (55%)
Puts: 19,070 (45%)
Current vs Prior +4.70%
Prior 7-Day Total 76,609
Calls: 45,485 (59%)
Puts: 31,124 (41%)
Prior 7-Day Average 10,944
Calls: 6,497 (59%)
Puts: 4,446 (41%)
Current vs Prior 7-Day Avg +301.26%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)
Current 3.49% | 5.71%8.10% | 13.10%
Prior 5.08% | 7.05%9.09% | 13.86%
Current vs Prior -31.35% | -19.01%-10.93% | -5.52%
Prior 7-Day Avg 4.52% | 7.57%10.06% | 14.23%
Current vs 7-Day Avg -22.86% | -24.51%-19.47% | -8.00%
Prior 7-Day Eod 5.08% | 7.05%9.09% | 13.86%
Current vs 7-Day Eod -31.35% | -19.01%-10.93% | -5.52%
Sentiment BULLISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 229.41% | 28.88%
Calls: 47.07% | 38.89%
Puts: 411.76% | 18.87%
Prior 21.32% | 27.11%
Calls: 21.43% | 28.57%
Puts: 21.21% | 25.64%
Current vs Prior +976.03% | +6.53%
Prior 7-Day Avg 100.82% | 56.58%
Calls: 87.88% | 48.27%
Puts: 113.76% | 64.89%
Current vs 7-Day Avg +127.54% | -48.96%
Liquidity Expensive
+
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🤖 AI Insights

Dollar volume significantly above 7-day average (210% higher). Volume explosion - 152% above 7-day average (2,600 vs avg 1,033). P/C ratio dropping 36% - sentiment shifting bullish.

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 NEUTRAL
7-Day Avg NEUTRAL
Current NEUTRAL
Prior NEUTRAL
7-Day Avg NEUTRAL
Current NEUTRAL
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 5 of results (avg 9.0%, best 7.9%)

CALLS (4)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$170.00Aug 2138.8042.00$40.407.9%10.92606
$180.00Jul 3127.7030.30$29.009.0%--0.9315
$175.00Aug 2133.9037.20$35.559.3%--0.91290
$170.00Jul 3137.4041.20$39.309.7%10.93--
PUTS (1)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$240.00Aug 2129.2032.00$30.609.2%--0.8911

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. 42 found (avg delta 0.76, highest 0.93)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$170.00Jul 3137.4041.20$39.309.7%10.93--
$180.00Jul 3127.7030.30$29.009.0%--0.9315
$195.00Jul 3112.9016.00$14.4521.5%--0.9366
$170.00Aug 2138.8042.00$40.407.9%10.92606
$180.00Aug 728.1031.70$29.9012.0%--0.9110
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$245.00Jul 3133.8037.40$35.6010.1%10.89--
$240.00Aug 2129.2032.00$30.609.2%--0.8911
$235.00Jul 3124.1027.40$25.7512.8%10.88--
$225.00Jul 3113.9017.40$15.6522.4%10.85--
$222.50Jul 3111.5015.00$13.2526.4%2320.83--

Most actively traded options today. High liquidity = easy entry/exit. 87 active (total vol 1.5K, top 232)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$230.00Jul 310.000.30$0.15200.0%1910.0423
$220.00Aug 211.855.80$3.83103.1%1080.32475
$202.50Jul 316.509.40$7.9536.5%910.77105
$210.00Jul 310.754.50$2.63142.6%490.4735
$230.00Aug 211.003.70$2.35114.9%480.20177
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$222.50Jul 3111.5015.00$13.2526.4%2320.83--
$215.00Jul 315.008.30$6.6549.6%1630.727
$190.00Aug 140.003.40$1.70200.0%410.153
$190.00Aug 70.102.45$1.28183.6%400.132
$210.00Jul 311.405.10$3.25113.8%370.539

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 31 strikes (avg 116.0%, max 322.2%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$250.00Jul 31Aug 21175.2%41.5%322.2%823
$170.00Jul 31Aug 21207.1%63.0%228.8%2606
$235.00Jul 31Aug 21126.1%42.0%200.4%19244
$190.00Jul 31Aug 21117.1%41.4%182.9%124
$227.50Jul 31Aug 21103.2%37.3%177.1%156
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$190.00Jul 31Aug 28117.1%35.8%227.3%328
$175.00Jul 31Aug 21184.4%56.5%226.5%162
$185.00Jul 31Aug 28127.8%41.3%209.0%2760
$180.00Jul 31Aug 21148.9%50.0%197.8%18309
$187.50Jul 31Aug 7128.4%61.7%108.2%--32

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 60 found (best R:R 49.00, avg 4.59)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$235.00$240.00Aug 7$0.10$4.90$0.1049.00$235.10
$240.00$250.00Aug 21$0.59$9.41$0.5915.95$240.59
$220.00$225.00Aug 7$0.32$4.68$0.3214.62$220.32
$230.00$240.00Aug 28$0.93$9.07$0.939.75$230.93
$222.50$225.00Aug 14$0.25$2.25$0.259.00$222.75
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$185.00$180.00Aug 21$0.30$4.70$0.3015.67$184.70
$190.00$185.00Aug 21$0.30$4.70$0.3015.67$189.70
$205.00$202.50Jul 31$0.22$2.28$0.2210.36$204.78
$200.00$195.00Aug 7$0.59$4.41$0.597.47$199.41
$187.50$185.00Jul 31$0.30$2.20$0.307.33$187.20

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 77 found (best R:R 65.67, avg 3.07)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$170.00$175.00Aug 21$4.85$4.85$0.1532.33$174.85
$195.00$200.00Jul 31$4.75$4.75$0.2519.00$199.75
$185.00$187.50Aug 7$2.35$2.35$0.1515.67$187.35
$175.00$190.00Aug 21$13.90$13.90$1.1012.64$188.90
$200.00$202.50Aug 7$2.25$2.25$0.259.00$202.25
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$245.00$235.00Jul 31$9.85$9.85$0.1565.67$235.15
$222.50$215.00Jul 31$6.60$6.60$0.907.33$215.90
$240.00$220.00Aug 21$16.40$16.40$3.604.56$223.60
$215.00$210.00Jul 31$3.40$3.40$1.602.13$211.60
$220.00$210.00Aug 21$6.30$6.30$3.701.70$213.70

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 31 found (avg debit $1.33, cheapest $0.12)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$245.00Jul 31Aug 7$0.12160.4%76.6%
$225.00Jul 31Aug 7$0.2893.9%47.0%
$235.00Jul 31Aug 7$0.30126.1%63.1%
$180.00Jul 31Aug 7$0.90148.9%75.8%
$227.50Jul 31Aug 21$0.98103.2%37.3%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$187.50Jul 31Aug 7$0.12128.4%61.7%
$190.00Jul 31Aug 7$0.20117.1%57.4%
$175.00Jul 31Aug 21$0.25184.4%56.5%
$180.00Jul 31Aug 7$0.32148.9%75.8%
$185.00Jul 31Aug 21$0.87127.8%46.1%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 32 found (cheapest 2.81% of stock, avg 8.77%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$210.00Jul 31$2.63$3.25$5.88$204.12$215.882.81%
$207.50Jul 31$4.05$2.33$6.38$201.12$213.883.05%
$205.00Jul 31$5.45$1.60$7.05$197.95$212.053.37%
$215.00Jul 31$1.58$6.65$8.23$206.77$223.233.93%
$202.50Jul 31$7.95$1.38$9.33$193.17$211.834.46%
$200.00Jul 31$9.70$0.50$10.20$189.80$210.204.88%
$210.00Aug 7$5.10$5.55$10.65$199.35$220.655.09%
$215.00Aug 7$2.75$8.45$11.20$203.80$226.205.35%
$205.00Aug 7$8.20$3.23$11.43$193.57$216.435.46%
$202.50Aug 7$9.50$2.65$12.15$190.35$214.655.81%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 112 found (cheapest 1.04% of stock, avg 2.59%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$225.00$192.50Jul 31$1.10$1.08$2.18$190.32$227.18
$225.00$197.50Jul 31$1.10$1.13$2.23$195.27$227.23
$217.50$192.50Jul 31$1.20$1.08$2.28$190.22$219.78
$217.50$197.50Jul 31$1.20$1.13$2.33$195.17$219.83
$225.00$202.50Jul 31$1.10$1.38$2.48$200.02$227.48
$217.50$202.50Jul 31$1.20$1.38$2.58$199.92$220.08
$215.00$192.50Jul 31$1.58$1.08$2.66$189.84$217.66
$225.00$190.00Aug 7$1.38$1.28$2.66$187.34$227.66
$225.00$205.00Jul 31$1.10$1.60$2.70$202.30$227.70
$215.00$197.50Jul 31$1.58$1.13$2.71$194.79$217.71

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 80 found (best R:R 19.00, avg credit $2.76)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
180/185190/195Aug 21$4.75$0.2519.00$180.25$194.75
200/202208/210Jul 31$2.30$0.2011.50$200.20$209.80
200/202205/208Jul 31$2.28$0.2210.36$200.22$207.28
190/195200/205Aug 21$4.48$0.528.62$190.52$204.48
195/198208/210Jul 31$2.20$0.307.33$195.30$209.70
195/198205/208Jul 31$2.18$0.326.81$195.32$207.18
185/188200/202Jul 31$2.05$0.454.56$185.45$202.05
200/202208/210Aug 7$2.03$0.474.32$200.47$209.53
200/202210/212Aug 7$2.00$0.504.00$200.50$212.00
202/205218/220Aug 14$1.95$0.553.55$203.05$219.45

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 31 found (best R:R 49.00, cheapest $0.10)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$235.00$240.00$245.00Aug 7$0.10$4.9049.00
$220.00$222.50$225.00Aug 14$0.15$2.3515.67
$220.00$225.00$230.00Aug 28$0.37$4.6312.51
$210.00$212.50$215.00Aug 7$0.19$2.3112.16
$205.00$210.00$215.00Aug 21$0.40$4.6011.50
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$190.00$195.00$200.00Aug 21$0.14$4.8634.71
$175.00$180.00$185.00Aug 21$0.28$4.7216.86
$200.00$202.50$205.00Aug 14$0.15$2.3515.67
$205.00$207.50$210.00Jul 31$0.19$2.3112.16
$190.00$195.00$200.00Aug 7$0.54$4.468.26

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 84 found (best net $-0.65, 71 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$195.00$210.001:2Sep 4-$0.65$14.35
$187.50$200.001:2Aug 7-$0.90$11.60
$230.00$240.001:2Aug 28-$0.77$9.23
$225.00$235.001:2Aug 7-$1.22$8.78
$225.00$235.001:2Aug 14-$1.46$8.54
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$220.00$210.001:2Aug 21-$1.60$8.40
$222.50$215.001:2Jul 31-$0.05$7.45
$187.50$180.001:2Aug 7-$1.00$6.50
$210.00$202.501:2Aug 21-$1.80$5.70
$235.00$225.001:2Jul 31-$5.55$4.45

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 25 found (best yield 3.78%, avg 0.85%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$210.00Sep 4$7.900.520.4%3.78%4.14%1--
$210.00Aug 21$5.900.510.4%2.82%3.19%23208
$215.00Aug 21$3.600.412.8%1.72%4.48%219
$210.00Aug 7$3.200.490.4%1.53%1.90%79
$220.00Aug 28$3.200.355.2%1.53%6.68%--14
$215.00Aug 14$2.450.372.8%1.17%3.93%--53
$225.00Sep 4$2.150.297.5%1.03%8.56%--11
$212.50Aug 7$2.050.421.6%0.98%2.54%111
$217.50Aug 14$1.900.324.0%0.91%4.86%1--
$220.00Aug 21$1.850.325.2%0.88%6.03%108475

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 1,511
Total Puts 1,089
Put/Call Ratio 0.72
Net Difference 422

Prior's Put/Call Breakdown

Total Calls 1,170
Total Puts 1,309
Put/Call Ratio 1.12
Net Difference -139

Prior 7-Day Put/Call Summary

Total Calls 3,508
Total Puts 3,727
Average Put/Call Ratio 1.39
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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