BIIB - Options Database

BIIB

BIOGEN INC

$205.99 -1.40%

$205.50 (-0.24%)🌙

as of 07/17 06:15 PM

(7/16 18:13) ◀

Friday, July 17, 2026 (6:15pm)

▶ (7/20 18:14)

◀ 7/17 18:15 ▶

Option Volume

Detail

ℹ

Current (07/17) 2,035

Calls: 1,605 (79%)

Puts: 430 (21%)

Prior (07/16) 2,417

Calls: 1,995 (83%)

Puts: 422 (17%)

Current vs Prior -15.80%

Calls: -19.55% (Calls)

Puts: +1.90% (Puts)

Prior 7-Day Total 19,615

Calls: 14,855 (76%)

Puts: 4,760 (24%)

Prior 7-Day Average 2,802

Calls: 2,122 (76%)

Puts: 680 (24%)

Current vs Prior 7-Day Avg -27.38%

Calls: -24.37%

Puts: -36.76%

Sentiment BULLISH

Dollar Volume

Detail

ℹ

Current (07/17) $3.23M

Calls: $3.10M (96%)

Puts: $132.4K (4%)

Prior (07/16) $2.40M

Calls: $2.17M (90%)

Puts: $232.6K (10%)

Current vs Prior +34.67%

Calls: +43.00%

Puts: -43.06%

Prior 7-Day Total $15.30M

Calls: $12.85M (84%)

Puts: $2.45M (16%)

Prior 7-Day Average $2.19M

Calls: $1.84M (84%)

Puts: $350.3K (16%)

Current vs Prior 7-Day Avg +47.94%

Calls: +68.96%

Puts: -62.20%

Sentiment BULLISH

Put/Call Ratio

Detail

ℹ

Current (07/17) 0.27

Prior (07/16) 0.21

Current vs Prior +26.66%

Prior 7-Day Average 0.43

Current vs Prior 7-Day Avg -37.35%

Sentiment BULLISH

Open Interest

Detail

ℹ

Current (07/17) 19,233

Calls: 13,101 (68%)

Puts: 6,132 (32%)

Prior (07/16) 19,323

Calls: 14,632 (76%)

Puts: 4,691 (24%)

Current vs Prior -0.47%

Prior 7-Day Total 113,867

Calls: 79,871 (70%)

Puts: 33,996 (30%)

Prior 7-Day Average 16,266

Calls: 11,410 (70%)

Puts: 4,856 (30%)

Current vs Prior 7-Day Avg +18.24%

Sentiment BEARISH

Expected Move

Detail

ℹ

WKMO Expiry (07/17) | Next (07/24)Expiry (07/17) | Next (08/21)

Current 1.36% | 4.84%1.36% | 12.69%

Prior 2.73% | 4.88%2.73% | 13.16%

Current vs Prior +77.58% | +61.08%-50.18% | -3.56%

Prior 7-Day Avg 3.84% | 6.35%5.01% | 12.75%

Current vs 7-Day Avg +26.32% | +23.91%-72.85% | -0.44%

Prior 7-Day Eod 2.73% | 4.88%2.73% | 13.16%

Current vs 7-Day Eod +77.58% | +61.08%-50.18% | -3.56%

Sentiment BEARISHBULLISH

Relative Spread

Detail

ℹ

Expiry | Next

Current 114.07% | 61.49%

Calls: 98.96% | 51.55%

Puts: 129.19% | 71.43%

Prior 114.07% | 61.49%

Calls: 98.96% | 51.55%

Puts: 129.19% | 71.43%

Current vs Prior +0.00% | +0.00%

Prior 7-Day Avg 114.07% | 61.49%

Calls: 98.96% | 51.55%

Puts: 129.19% | 71.43%

Current vs 7-Day Avg -0.00% | +0.00%

Liquidity Expensive

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🤖 AI Insights

Strong bullish conviction with 96% of dollar volume in calls ($3.10M) vs puts ($132.4K). Extreme bullish P/C ratio of 0.27 - heavy call buying (1,605 calls vs 430 puts). Call-heavy open interest (13,101 calls vs 6,132 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 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

🎯

Tightest Spreads

💰

Best Value <$1

📊

High Delta

⚖️

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 6.8%, best 5.0%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$165.00	Aug 21	40.90	43.00	$41.95	5.0%	2	0.91	--
$165.00	Jul 17	39.60	41.80	$40.70	5.4%	2	0.93	--
$175.00	Aug 21	31.60	33.70	$32.65	6.4%	291	0.88	1
$175.00	Jul 17	29.60	32.00	$30.80	7.8%	413	0.91	530
$170.00	Jul 17	34.10	37.40	$35.75	9.2%	3	0.92	9

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. 38 found (avg delta 0.76, highest 1.00)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$205.00	Jul 17	0.00	1.50	$0.75	200.0%	32	1.00	199
$190.00	Jul 17	14.60	16.80	$15.70	14.0%	5	0.95	188
$165.00	Jul 17	39.60	41.80	$40.70	5.4%	2	0.93	--
$170.00	Jul 17	34.10	37.40	$35.75	9.2%	3	0.92	9
$175.00	Jul 17	29.60	32.00	$30.80	7.8%	413	0.91	530

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$205.00	Jul 17	0.00	2.15	$1.08	199.1%	5	1.00	185
$222.50	Jul 17	15.70	18.00	$16.85	13.6%	1	0.85	--
$215.00	Jul 24	9.20	11.90	$10.55	25.6%	5	0.78	1
$210.00	Jul 17	3.10	5.40	$4.25	54.1%	34	0.75	47
$212.50	Jul 24	7.20	10.20	$8.70	34.5%	1	0.73	1

Most actively traded options today. High liquidity = easy entry/exit. 90 active (total vol 1.6K, top 413)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$175.00	Jul 17	29.60	32.00	$30.80	7.8%	413	0.91	530
$175.00	Aug 21	31.60	33.70	$32.65	6.4%	291	0.88	1
$210.00	Jul 24	1.30	4.00	$2.65	101.9%	145	0.35	14
$220.00	Jul 17	0.00	1.10	$0.55	200.0%	62	0.11	1.2K
$210.00	Jul 17	0.00	1.70	$0.85	200.0%	47	0.25	3.1K

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$207.50	Jul 24	4.20	7.00	$5.60	50.0%	73	0.58	1
$200.00	Jul 17	0.00	0.70	$0.35	200.0%	50	0.13	572
$210.00	Jul 17	3.10	5.40	$4.25	54.1%	34	0.75	47
$205.00	Jul 31	5.80	8.10	$6.95	33.1%	12	0.47	21
$190.00	Aug 21	2.75	5.90	$4.33	72.7%	11	0.25	525

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 21 strikes (avg 1327.9%, max 3746.9%)

CALLS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$165.00	Jul 17	Aug 21	2104.6%	54.7%	3746.9%	4	--
$175.00	Jul 17	Aug 21	1660.8%	46.7%	3455.3%	704	531
$185.00	Jul 17	Aug 21	1221.8%	42.2%	2795.3%	9	34
$195.00	Jul 17	Aug 28	772.5%	39.2%	1871.0%	4	--
$190.00	Jul 17	Aug 28	682.2%	39.6%	1624.1%	6	188

PUTS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$185.00	Jul 17	Jul 24	1221.8%	50.1%	2338.9%	2	694
$195.00	Jul 17	Aug 21	772.5%	42.6%	1713.7%	2	706
$190.00	Jul 17	Aug 21	682.2%	42.5%	1506.3%	12	745
$210.00	Jul 17	Aug 21	366.4%	42.7%	758.6%	37	62
$200.00	Jul 17	Jul 31	351.8%	46.1%	662.6%	54	585

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 51 found (best R:R 16.86, avg 4.15)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$220.00	$225.00	Jul 24	$0.28	$4.72	$0.28	16.86	$220.28
$230.00	$235.00	Aug 7	$0.28	$4.72	$0.28	16.86	$230.28
$215.00	$217.50	Jul 31	$0.20	$2.30	$0.20	11.50	$215.20
$205.00	$207.50	Jul 17	$0.30	$2.20	$0.30	7.33	$205.30
$212.50	$215.00	Jul 24	$0.30	$2.20	$0.30	7.33	$212.80

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$202.50	$200.00	Jul 17	$0.18	$2.32	$0.18	12.89	$202.32
$197.50	$195.00	Jul 24	$0.20	$2.30	$0.20	11.50	$197.30
$190.00	$185.00	Jul 24	$0.45	$4.55	$0.45	10.11	$189.55
$195.00	$190.00	Jul 24	$0.55	$4.45	$0.55	8.09	$194.45
$180.00	$175.00	Aug 21	$0.60	$4.40	$0.60	7.33	$179.40

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 64 found (best R:R 13.29, avg 1.70)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$185.00	$190.00	Jul 17	$4.65	$4.65	$0.35	13.29	$189.65
$165.00	$175.00	Aug 21	$9.30	$9.30	$0.70	13.29	$174.30
$192.50	$195.00	Jul 17	$2.30	$2.30	$0.20	11.50	$194.80
$190.00	$200.00	Jul 24	$8.80	$8.80	$1.20	7.33	$198.80
$175.00	$185.00	Aug 21	$8.50	$8.50	$1.50	5.67	$183.50

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$210.00	$207.50	Jul 17	$2.20	$2.20	$0.30	7.33	$207.80
$215.00	$212.50	Jul 24	$1.85	$1.85	$0.65	2.85	$213.15
$212.50	$210.00	Jul 24	$1.75	$1.75	$0.75	2.33	$210.75
$210.00	$207.50	Jul 31	$1.55	$1.55	$0.95	1.63	$208.45
$210.00	$207.50	Jul 24	$1.35	$1.35	$1.15	1.17	$208.65

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 22 found (avg debit $1.97, cheapest $0.30)

CALLS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$190.00	Jul 17	Jul 24	$0.30	682.2%	48.8%
$220.00	Jul 17	Jul 24	$0.53	687.8%	48.6%
$212.50	Jul 17	Jul 24	$0.72	531.4%	40.0%
$165.00	Jul 17	Aug 21	$1.25	2104.6%	54.7%
$215.00	Jul 17	Jul 24	$1.45	293.9%	43.0%

PUTS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$195.00	Jul 17	Jul 24	$0.32	772.5%	44.3%
$175.00	Aug 14	Aug 21	$0.32	48.9%	46.7%
$190.00	Jul 17	Jul 24	$0.60	682.2%	48.8%
$200.00	Jul 17	Jul 24	$1.90	351.8%	38.8%
$210.00	Jul 17	Jul 24	$2.70	366.4%	41.3%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 22 found (cheapest 0.89% of stock, avg 6.37%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$205.00	Jul 17	$0.75	$1.08	$1.83	$203.17	$206.83	0.89%
$207.50	Jul 17	$0.45	$2.05	$2.50	$205.00	$210.00	1.21%
$202.50	Jul 17	$3.53	$0.53	$4.06	$198.44	$206.56	1.97%
$210.00	Jul 17	$0.85	$4.25	$5.10	$204.90	$215.10	2.48%
$200.00	Jul 17	$5.65	$0.35	$6.00	$194.00	$206.00	2.91%
$207.50	Jul 24	$3.22	$5.60	$8.82	$198.68	$216.32	4.28%
$200.00	Jul 24	$7.20	$2.25	$9.45	$190.55	$209.45	4.59%
$210.00	Jul 24	$2.65	$6.95	$9.60	$200.40	$219.60	4.66%
$212.50	Jul 24	$1.80	$8.70	$10.50	$202.00	$223.00	5.10%
$195.00	Jul 17	$10.70	$1.08	$11.78	$183.22	$206.78	5.72%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 90 found (cheapest 0.34% of stock, avg 2.46%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$207.50	$190.00	Jul 17	$0.45	$0.25	$0.70	$189.30	$208.20
$207.50	$200.00	Jul 17	$0.45	$0.35	$0.80	$199.20	$208.30
$220.00	$190.00	Jul 17	$0.55	$0.25	$0.80	$189.20	$220.80
$220.00	$200.00	Jul 17	$0.55	$0.35	$0.90	$199.10	$220.90
$207.50	$202.50	Jul 17	$0.45	$0.53	$0.98	$201.52	$208.48
$220.00	$202.50	Jul 17	$0.55	$0.53	$1.08	$201.42	$221.08
$210.00	$190.00	Jul 17	$0.85	$0.25	$1.10	$188.90	$211.10
$210.00	$200.00	Jul 17	$0.85	$0.35	$1.20	$198.80	$211.20
$212.50	$190.00	Jul 17	$1.08	$0.25	$1.33	$188.67	$213.83
$217.50	$190.00	Jul 17	$1.08	$0.25	$1.33	$188.67	$218.83

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 93 found (best R:R 6.58, avg credit $2.56)

Put Spread	Call Spread	Expiry	Credit	Max Loss	R:R	BE Low	BE High
210/212	215/218	Jul 24	$2.17	$0.33	6.58	$210.33	$217.17
208/210	212/215	Jul 31	$2.15	$0.35	6.14	$207.85	$214.65
198/200	202/205	Jul 24	$2.02	$0.48	4.21	$197.98	$204.52
205/208	212/215	Jul 31	$1.95	$0.55	3.55	$205.55	$214.45
200/205	210/212	Jul 31	$3.85	$1.15	3.35	$201.15	$213.85
175/180	185/200	Aug 21	$11.05	$3.95	2.80	$168.95	$196.05
198/200	205/208	Jul 24	$1.81	$0.69	2.62	$198.19	$206.81
195/200	210/212	Jul 31	$3.62	$1.38	2.62	$196.38	$213.62
190/195	202/205	Jul 17	$3.61	$1.39	2.60	$191.39	$206.11
208/210	215/218	Jul 24	$1.77	$0.73	2.42	$208.23	$216.77

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 33 found (best R:R 99.00, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$190.00	$195.00	$200.00	Aug 28	$0.05	$4.95	99.00
$200.00	$202.50	$205.00	Jul 24	$0.08	$2.42	30.25
$220.00	$230.00	$240.00	Aug 21	$0.49	$9.51	19.41
$165.00	$175.00	$185.00	Aug 21	$0.80	$9.20	11.50
$202.50	$205.00	$207.50	Jul 24	$0.21	$2.29	10.90

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$185.00	$190.00	$195.00	Jul 24	$0.10	$4.90	49.00
$210.00	$212.50	$215.00	Jul 24	$0.10	$2.40	24.00
$195.00	$200.00	$205.00	Jul 31	$0.23	$4.77	20.74
$205.00	$207.50	$210.00	Jul 31	$0.20	$2.30	11.50
$200.00	$202.50	$205.00	Jul 17	$0.37	$2.13	5.76

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 52 found (best net $-3.25, 38 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$185.00	$200.00	1:2	Aug 21	-$3.25	$11.75
$215.00	$225.00	1:2	Aug 7	-$0.05	$9.95
$230.00	$240.00	1:2	Aug 21	-$0.27	$9.73
$220.00	$230.00	1:2	Aug 21	-$1.36	$8.64
$210.00	$220.00	1:2	Aug 21	-$2.05	$7.95

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$190.00	$180.00	1:2	Aug 21	-$0.47	$9.53
$195.00	$190.00	1:2	Jul 24	-$0.30	$4.70
$195.00	$190.00	1:2	Jul 31	-$0.82	$4.18
$200.00	$195.00	1:2	Jul 31	-$0.96	$4.04
$180.00	$175.00	1:2	Aug 21	-$1.20	$3.80

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 20 found (best yield 3.93%, avg 1.35%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$210.00	Aug 21	$8.10	0.47	1.9%	3.93%	5.88%	8	--
$210.00	Aug 14	$5.90	0.45	1.9%	2.86%	4.81%	2	--
$207.50	Jul 31	$5.60	0.48	0.7%	2.72%	3.45%	1	--
$210.00	Jul 31	$4.40	0.43	1.9%	2.14%	4.08%	3	27
$220.00	Aug 28	$4.40	0.34	6.8%	2.14%	8.94%	1	6
$215.00	Aug 14	$4.00	0.37	4.4%	1.94%	6.32%	1	--
$220.00	Aug 21	$3.80	0.33	6.8%	1.84%	8.65%	14	330
$215.00	Aug 7	$3.50	0.36	4.4%	1.70%	6.07%	1	561
$212.50	Jul 31	$3.00	0.36	3.2%	1.46%	4.62%	3	1
$220.00	Aug 14	$2.50	0.29	6.8%	1.21%	8.01%	7	11

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 1,605

Total Puts 430

Put/Call Ratio 0.27

Net Difference 1,175

Prior's Put/Call Breakdown

Total Calls 1,995

Total Puts 422

Put/Call Ratio 0.21

Net Difference 1,573

Prior 7-Day Put/Call Summary

Total Calls 14,855

Total Puts 4,760

Average Put/Call Ratio 0.43

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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Option Volume

Dollar Volume

Put/Call Ratio

Open Interest

Expected Move

Relative Spread

🤖 AI Insights

📈 Options Analysis

Current 5-Minute Volume Snapshots

Prior's 5-Minute Volume Snapshots

Current Put/Call Breakdown

Prior's Put/Call Breakdown

Prior 7-Day Put/Call Summary

Daily Put/Call History (Last 7 Days)

Upcoming Earnings - 2 Weeks Prior

Upcoming Earnings - 1 Week Prior

Earnings This Week

Earnings - Day Before / Day After

Options Activity Around Earnings

Chart Title

Price — Past 7 Days

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