Tour v452
BIIB
BIOGEN INC
$202.66 +1.26%
(7/27 18:15) ◀
|
Tuesday, July 28, 2026 (2:05pm)
January 2026
|
▶ (7/28 18:00)
◀ 7/28 14:05 ▶

Option Volume

Detail
ℹ
Current (07/28 2:05pm) 1,786
Calls: 625 (35%)
Puts: 1,161 (65%)
Prior (04/29) 6,864
Calls: 1,667 (24%)
Puts: 5,197 (76%)
Current vs Prior -73.98%
Calls: -62.51% (Calls)
Puts: -77.66% (Puts)
Prior 7-Day Total 8,350
Calls: 2,391 (29%)
Puts: 5,959 (71%)
Prior 7-Day Average 4,175
Calls: 341 (29%)
Puts: 851 (71%)
Current vs Prior 7-Day Avg -57.22%
Calls: +82.98%
Puts: +36.38%
Sentiment BEARISH

Dollar Volume

Detail
ℹ
Current (07/28 2:05pm) $1.05M
Calls: $443.8K (42%)
Puts: $608.1K (58%)
Prior (04/29) $1.94M
Calls: $1.11M (57%)
Puts: $828.0K (43%)
Current vs Prior -45.83%
Calls: -60.16%
Puts: -26.56%
Prior 7-Day Total $2.57M
Calls: $1.47M (57%)
Puts: $1.10M (43%)
Prior 7-Day Average $1.29M
Calls: $210.4K (57%)
Puts: $157.3K (43%)
Current vs Prior 7-Day Avg -18.26%
Calls: +110.96%
Puts: +286.54%
Sentiment BEARISH

Put/Call Ratio

Detail
ℹ
Current (07/28 2:05pm) 1.86
Prior (04/29) 3.12
Current vs Prior -40.42%
Prior 7-Day Average 2.08
Current vs Prior 7-Day Avg -10.91%
Sentiment BEARISH

Open Interest

Detail
ℹ
Current (07/28 2:05pm) 41,944
Calls: 22,874 (55%)
Puts: 19,070 (45%)
Prior (04/29) 53,947
Calls: 27,582 (51%)
Puts: 26,365 (49%)
Current vs Prior -22.25%
Prior 7-Day Total 106,157
Calls: 54,359 (51%)
Puts: 51,798 (49%)
Prior 7-Day Average 53,078
Calls: 27,179 (51%)
Puts: 25,899 (49%)
Current vs Prior 7-Day Avg -20.98%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)
Current 6.02% | 7.13%9.55% | 14.24%
Prior 5.91% | 7.06%-- | --
Current vs Prior +1.81% | +1.03%-- | --
Prior 7-Day Avg 4.49% | 5.87%-- | --
Current vs 7-Day Avg +34.17% | +21.39%-- | --
Prior 7-Day Eod 5.91% | 7.06%-- | --
Current vs 7-Day Eod +1.81% | +1.03%-- | --
Sentiment BEARISH--

Relative Spread

Detail
ℹ
Expiry | Next
Current 21.32% | 27.11%
Calls: 21.43% | 28.57%
Puts: 21.21% | 25.64%
Prior 40.81% | 28.73%
Calls: 53.06% | 32.26%
Puts: 28.57% | 25.19%
Current vs Prior -47.76% | -5.64%
Prior 7-Day Avg 40.81% | 28.73%
Calls: 53.06% | 32.26%
Puts: 28.57% | 25.19%
Current vs 7-Day Avg -47.76% | -5.64%
Liquidity Expensive
+
Add Card

🤖 AI Insights

Below-average activity with volume down 74% vs prior. Extreme bearish P/C ratio of 1.86 - heavy put buying. P/C ratio dropping 40% - sentiment shifting bullish. Declining open interest (down 22%) indicates positions being closed.

Smart Money BEARISH
Retail Flow BEARISH
Overall BEARISH
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BEARISH
Prior BULLISH
7-Day Avg BULLISH
Current BEARISH
Prior BEARISH
7-Day Avg NEUTRAL
Current BEARISH
Prior BEARISH
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 1 of results (avg 9.2%, best 9.2%)

CALLS (0)
No calls meet the criteria
PUTS (1)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$240.00Aug 2136.3039.80$38.059.2%--0.9111

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. 31 found (avg delta 0.70, highest 0.95)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$180.00Jul 3121.2024.20$22.7013.2%--0.9515
$170.00Aug 2132.0035.40$33.7010.1%--0.92606
$175.00Aug 2127.5030.80$29.1511.3%--0.88290
$180.00Aug 721.5024.70$23.1013.9%--0.8810
$190.00Jul 3112.7015.20$13.9517.9%90.8320
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$240.00Aug 2136.3039.80$38.059.2%--0.9111
$215.00Jul 3112.8015.80$14.3021.0%100.8110
$220.00Aug 2118.6021.70$20.1515.4%--0.7610
$215.00Aug 713.0016.60$14.8024.3%--0.7610
$212.50Jul 3111.0013.90$12.4523.3%10.75--

Most actively traded options today. High liquidity = easy entry/exit. 47 active (total vol 1.1K, top 264)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$202.50Aug 75.707.60$6.6528.6%2190.51--
$200.00Aug 77.008.90$7.9523.9%2180.573
$202.50Jul 315.006.20$5.6021.4%910.5221
$190.00Jul 3112.7015.20$13.9517.9%90.8320
$220.00Aug 140.902.80$1.85102.7%80.1916
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$180.00Jul 310.300.40$0.3528.6%2640.059
$195.00Jul 311.902.85$2.3839.9%1670.2714
$187.50Aug 70.403.30$1.85156.8%130.182
$200.00Aug 74.307.20$5.7550.4%130.4310
$200.00Jul 313.504.70$4.1029.3%120.4120

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 26 strikes (avg 68.6%, max 103.6%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$220.00Jul 31Aug 2883.6%41.1%103.6%769
$230.00Jul 31Aug 2884.7%42.1%101.3%130
$225.00Jul 31Sep 477.1%39.7%94.0%122
$190.00Jul 31Aug 2876.6%41.6%83.9%1022
$200.00Jul 31Aug 2872.8%40.9%78.2%114
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$187.50Jul 31Aug 798.7%53.1%86.1%1319
$175.00Jul 31Aug 2194.2%51.8%81.8%--62
$200.00Jul 31Sep 472.8%40.2%81.0%1320
$195.00Jul 31Aug 2174.0%43.6%69.7%16796
$190.00Jul 31Aug 2176.6%45.3%69.0%1565

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 52 found (best R:R 15.67, avg 3.54)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$217.50$220.00Jul 31$0.15$2.35$0.1515.67$217.65
$220.00$225.00Aug 21$0.35$4.65$0.3513.29$220.35
$230.00$240.00Aug 21$0.73$9.27$0.7312.70$230.73
$225.00$230.00Aug 28$0.48$4.52$0.489.42$225.48
$212.50$215.00Jul 31$0.50$2.00$0.504.00$213.00
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$187.50$180.00Aug 7$0.45$7.05$0.4515.67$187.05
$185.00$180.00Jul 31$0.35$4.65$0.3513.29$184.65
$180.00$175.00Aug 21$0.55$4.45$0.558.09$179.45
$190.00$187.50Aug 7$0.30$2.20$0.307.33$189.70
$175.00$170.00Aug 21$0.72$4.28$0.725.94$174.28

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 68 found (best R:R 10.11, avg 1.47)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$170.00$175.00Aug 21$4.55$4.55$0.4510.11$174.55
$180.00$190.00Jul 31$8.75$8.75$1.257.00$188.75
$190.00$192.50Jul 31$2.15$2.15$0.356.14$192.15
$175.00$190.00Aug 21$12.05$12.05$2.954.08$187.05
$190.00$195.00Aug 21$3.95$3.95$1.053.76$193.95
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$240.00$220.00Aug 21$17.90$17.90$2.108.52$222.10
$210.00$207.50Jul 31$2.00$2.00$0.504.00$208.00
$212.50$210.00Jul 31$1.95$1.95$0.553.55$210.55
$207.50$205.00Jul 31$1.90$1.90$0.603.17$205.60
$215.00$212.50Jul 31$1.85$1.85$0.652.85$213.15

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 23 found (avg debit $1.35, cheapest $0.40)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$180.00Jul 31Aug 7$0.4082.0%64.0%
$235.00Jul 31Aug 7$0.8793.2%70.3%
$215.00Jul 31Aug 7$0.9071.6%49.6%
$210.00Jul 31Aug 7$0.9873.0%49.7%
$200.00Jul 31Aug 7$1.0572.8%51.3%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$215.00Jul 31Aug 7$0.5071.4%49.6%
$190.00Jul 31Aug 7$0.8276.6%50.8%
$210.00Jul 31Aug 7$0.9073.0%49.7%
$180.00Jul 31Aug 7$1.0582.0%64.0%
$205.00Jul 31Aug 7$1.2074.0%53.8%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 26 found (cheapest 5.35% of stock, avg 9.03%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$202.50Jul 31$5.60$5.25$10.85$191.65$213.355.35%
$200.00Jul 31$6.90$4.10$11.00$189.00$211.005.43%
$205.00Jul 31$4.50$6.60$11.10$193.90$216.105.48%
$207.50Jul 31$3.40$8.50$11.90$195.60$219.405.87%
$195.00Jul 31$10.10$2.38$12.48$182.52$207.486.16%
$210.00Jul 31$2.65$10.50$13.15$196.85$223.156.49%
$202.50Aug 7$6.65$6.65$13.30$189.20$215.806.56%
$200.00Aug 7$7.95$5.75$13.70$186.30$213.706.76%
$205.00Aug 7$6.00$7.80$13.80$191.20$218.806.81%
$212.50Jul 31$1.90$12.45$14.35$198.15$226.857.08%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 82 found (cheapest 1.63% of stock, avg 3.79%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$215.00$187.50Jul 31$1.40$1.90$3.30$184.20$218.30
$235.00$190.00Aug 7$1.20$2.15$3.35$186.65$238.35
$220.00$190.00Aug 7$1.23$2.15$3.38$186.62$223.38
$215.00$195.00Jul 31$1.40$2.38$3.78$191.22$218.78
$212.50$187.50Jul 31$1.90$1.90$3.80$183.70$216.30
$212.50$195.00Jul 31$1.90$2.38$4.28$190.72$216.78
$215.00$190.00Aug 7$2.30$2.15$4.45$185.55$219.45
$210.00$187.50Jul 31$2.65$1.90$4.55$182.95$214.55
$215.00$197.50Jul 31$1.40$3.18$4.58$192.92$219.58
$225.00$180.00Aug 21$2.53$2.25$4.78$175.22$229.78

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 117 found (best R:R 21.73, avg credit $2.52)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
180/185190/195Aug 21$4.78$0.2221.73$180.22$194.78
205/210215/220Aug 7$4.67$0.3314.15$205.33$219.67
170/175190/195Aug 21$4.67$0.3314.15$170.33$194.67
185/188202/205Jul 31$2.30$0.2011.50$185.20$204.80
185/188205/208Jul 31$2.30$0.2011.50$185.20$207.30
195/198200/202Aug 7$2.30$0.2011.50$195.20$202.30
200/202205/208Jul 31$2.25$0.259.00$200.25$207.25
175/180190/195Aug 21$4.50$0.509.00$175.50$194.50
185/188195/200Jul 31$4.40$0.607.33$183.10$199.40
195/198200/202Jul 31$2.10$0.405.25$195.40$202.10

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 28 found (best R:R 24.00, cheapest $0.10)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$210.00$215.00$220.00Aug 7$0.26$4.7418.23
$200.00$202.50$205.00Jul 31$0.20$2.3011.50
$210.00$212.50$215.00Jul 31$0.25$2.259.00
$220.00$225.00$230.00Aug 28$0.67$4.336.46
$205.00$207.50$210.00Jul 31$0.35$2.156.14
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$205.00$207.50$210.00Jul 31$0.10$2.4024.00
$180.00$185.00$190.00Aug 21$0.22$4.7821.73
$195.00$197.50$200.00Jul 31$0.12$2.3819.83
$175.00$180.00$185.00Aug 21$0.28$4.7216.86
$190.00$195.00$200.00Aug 21$0.33$4.6714.15

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 57 found (best net $-2.25, 52 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$220.00$235.001:2Aug 7-$1.17$13.83
$230.00$240.001:2Aug 21-$0.02$9.98
$175.00$190.001:2Aug 21-$5.05$9.95
$190.00$200.001:2Aug 28-$4.95$5.05
$215.00$220.001:2Aug 7-$0.16$4.84
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$240.00$220.001:2Aug 21-$2.25$17.75
$210.00$200.001:2Aug 21-$1.60$8.40
$215.00$205.001:2Aug 14-$1.70$8.30
$187.50$180.001:2Aug 7-$0.95$6.55
$185.00$180.001:2Jul 31$0.00$5.00

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 26 found (best yield 3.36%, avg 0.86%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$205.00Aug 21$6.800.481.1%3.36%4.51%214
$210.00Aug 21$4.700.403.6%2.32%5.94%2207
$205.00Aug 7$4.500.461.1%2.22%3.38%115
$205.00Jul 31$3.900.451.1%1.92%3.08%339
$215.00Aug 21$3.100.326.1%1.53%7.62%118
$207.50Jul 31$2.700.382.4%1.33%3.72%615
$210.00Aug 7$2.350.343.6%1.16%4.78%34
$215.00Aug 14$2.150.286.1%1.06%7.15%152
$210.00Jul 31$2.100.313.6%1.04%4.66%434
$220.00Aug 21$2.050.248.6%1.01%9.57%2375

Current 5-Minute Volume Snapshots

Time (HH:MM) Total Volume Call Volume Put Volume Volume Change
Loading data...

Prior's 5-Minute Volume Snapshots

Time (HH:MM) Total Volume Call Volume Put Volume Volume Change
Loading data...

Current Put/Call Breakdown

Total Calls 625
Total Puts 1,161
Put/Call Ratio 1.86
Net Difference -536

Prior's Put/Call Breakdown

Total Calls 1,667
Total Puts 5,197
Put/Call Ratio 3.12
Net Difference -3,530

Prior 7-Day Put/Call Summary

Total Calls 2,391
Total Puts 5,959
Average Put/Call Ratio 2.08
Ratio Trend Falling

Daily Put/Call History (Last 7 Days)

Date Calls Puts Ratio Net Diff
Loading data...

Upcoming Earnings - 2 Weeks Prior

Loading earnings data...

Upcoming Earnings - 1 Week Prior

Loading earnings data...

Earnings This Week

Loading earnings data...

Earnings - Day Before / Day After

Loading earnings data...

Options Activity Around Earnings

Ticker Earnings Date Days Away Call Volume Put Volume IV Rank
Loading data...

Chart Title

Price — Past 7 Days

Add Card

CI/CD Results
App Log
Loading...
Requests
New Request
View All