BIIB - Options Database

BIIB

BIOGEN INC

$214.83 +4.48%

(7/29 09:50) ◀

Wednesday, July 29, 2026 (9:55am)

▶ (7/29 10:00)

◀ 7/29 09:55 ▶

Option Volume

Detail

ℹ

Current (07/29 9:55am) 585

Calls: 435 (74%)

Puts: 150 (26%)

Prior --

Calls: 724 (49%)

Puts: 762 (51%)

Current vs Prior +0.00%

Calls: -39.92% (Calls)

Puts: -80.31% (Puts)

Prior 7-Day Total 11,571

Calls: 3,983 (34%)

Puts: 7,588 (66%)

Prior 7-Day Average 1,653

Calls: 569 (34%)

Puts: 1,084 (66%)

Current vs Prior 7-Day Avg -64.61%

Calls: -23.55%

Puts: -86.16%

Sentiment BULLISH

Dollar Volume

Detail

ℹ

Current (07/29 9:55am) $368.4K

Calls: $318.5K (86%)

Puts: $49.9K (14%)

Prior --

Calls: $358.6K (57%)

Puts: $273.1K (43%)

Current vs Prior +0.00%

Calls: -11.18%

Puts: -81.73%

Prior 7-Day Total $4.54M

Calls: $2.69M (59%)

Puts: $1.86M (41%)

Prior 7-Day Average $649.2K

Calls: $383.6K (59%)

Puts: $265.6K (41%)

Current vs Prior 7-Day Avg -43.25%

Calls: -16.96%

Puts: -81.21%

Sentiment BULLISH

Put/Call Ratio

Detail

ℹ

Current (07/29 9:55am) 0.34

Prior 1.00

Current vs Prior -65.52%

Prior 7-Day Average 1.27

Current vs Prior 7-Day Avg -72.75%

Sentiment BULLISH

Open Interest

Detail

ℹ

Current (07/29 9:55am) 43,914

Calls: 23,763 (54%)

Puts: 20,151 (46%)

Prior --

Calls: -- (--)

Puts: -- (--)

Current vs Prior +0.00%

Prior 7-Day Total 323,757

Calls: 172,285 (53%)

Puts: 151,472 (47%)

Prior 7-Day Average 46,251

Calls: 24,612 (53%)

Puts: 21,638 (47%)

Current vs Prior 7-Day Avg -5.05%

Sentiment BEARISH

Expected Move

Detail

ℹ

WKMO Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)

Current 4.28% | 5.91%8.12% | 13.03%

Prior 6.02% | 7.13%9.55% | 14.24%

Current vs Prior -28.86% | -17.09%-14.93% | -8.44%

Prior 7-Day Avg 5.00% | 6.29%9.55% | 14.24%

Current vs 7-Day Avg -14.31% | -6.05%-14.93% | -8.44%

Prior 7-Day Eod 6.02% | 7.13%9.09% | 13.86%

Current vs 7-Day Eod -28.86% | -17.09%-10.69% | -5.97%

Sentiment BULLISHBULLISH

Relative Spread

Detail

ℹ

Expiry | Next

Current 42.44% | 32.44%

Calls: 63.66% | 46.58%

Puts: 21.22% | 18.29%

Prior 21.32% | 27.11%

Calls: 21.43% | 28.57%

Puts: 21.21% | 25.64%

Current vs Prior +99.06% | +19.66%

Prior 7-Day Avg 58.73% | 39.11%

Calls: 57.82% | 37.46%

Puts: 59.66% | 40.75%

Current vs 7-Day Avg -27.74% | -17.05%

Liquidity Expensive

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🤖 AI Insights

Strong bullish conviction with 86% of dollar volume in calls ($318.5K) vs puts ($49.9K). Extreme bullish P/C ratio of 0.34 - heavy call buying (435 calls vs 150 puts). P/C ratio dropping 66% - 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 BULLISH

Prior NEUTRAL

7-Day Avg NEUTRAL

Current NEUTRAL

Prior NEUTRAL

7-Day Avg NEUTRAL

Current BEARISH

Prior BULLISH

7-Day Avg BULLISH

Sentiment Timeline (Today)

Time	Smart Money	Retail	Overall
09:55	BULLISH	BULLISH	BULLISH
09:50	BULLISH	BULLISH	BULLISH
09:45	BULLISH	BULLISH	BULLISH
09:40	BULLISH	BULLISH	BULLISH
09:35	BULLISH	BEARISH	BEARISH

📈 Options Analysis

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🔥 High Volume

⏰ Backwardation

📈 Debit Spreads

📉 Credit Spreads

📅 Calendar Spreads

⚡ Straddles

🔀 Strangles

🦅 Iron Condors

🦋 Butterflies

⚖️ Ratio Spreads

🛡️ Covered Calls

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Tightest Spreads

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Best Value <$1

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High Delta

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Ratio Spreads

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Covered Calls

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 4 of results (avg 9.4%, best 8.6%)

CALLS (4)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$175.00	Aug 21	39.00	42.50	$40.75	8.6%	--	0.93	290
$182.50	Jul 31	31.30	34.40	$32.85	9.4%	1	0.92	--
$180.00	Aug 7	33.80	37.20	$35.50	9.6%	--	0.92	10
$180.00	Jul 31	33.40	36.90	$35.15	10.0%	--	1.00	15

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 0.79, highest 1.00)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$180.00	Jul 31	33.40	36.90	$35.15	10.0%	--	1.00	15
$195.00	Jul 31	18.60	21.70	$20.15	15.4%	--	0.94	66
$175.00	Aug 21	39.00	42.50	$40.75	8.6%	--	0.93	290
$180.00	Aug 7	33.80	37.20	$35.50	9.6%	--	0.92	10
$182.50	Jul 31	31.30	34.40	$32.85	9.4%	1	0.92	--

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$240.00	Aug 21	24.20	27.50	$25.85	12.8%	--	0.90	11
$245.00	Jul 31	28.30	32.00	$30.15	12.3%	1	0.89	--
$235.00	Jul 31	18.80	21.80	$20.30	14.8%	1	0.88	--
$225.00	Jul 31	9.00	12.50	$10.75	32.6%	1	0.83	--
$220.00	Aug 21	8.40	11.90	$10.15	34.5%	--	0.57	10

Most actively traded options today. High liquidity = easy entry/exit. 52 active (total vol 446, top 111)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$230.00	Jul 31	0.50	0.75	$0.63	39.7%	111	0.11	23
$210.00	Jul 31	5.50	7.70	$6.60	33.3%	35	0.74	35
$230.00	Aug 21	1.60	4.60	$3.10	96.8%	35	0.27	177
$232.50	Aug 21	0.40	3.80	$2.10	161.9%	28	0.21	--
$235.00	Aug 21	1.10	2.25	$1.68	68.5%	15	0.17	2

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$210.00	Jul 31	0.65	2.20	$1.43	108.4%	28	0.27	9
$190.00	Aug 7	0.10	2.30	$1.20	183.3%	20	0.11	2
$190.00	Aug 14	0.00	2.80	$1.40	200.0%	20	0.12	3
$180.00	Aug 21	0.00	2.40	$1.20	200.0%	15	0.08	34
$185.00	Aug 21	0.00	2.50	$1.25	200.0%	11	0.10	113

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 27 strikes (avg 107.8%, max 237.9%)

CALLS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$250.00	Jul 31	Aug 21	141.9%	42.0%	237.9%	8	23
$190.00	Jul 31	Aug 21	128.4%	43.2%	197.1%	1	24
$235.00	Jul 31	Aug 21	95.4%	34.3%	177.9%	15	244
$200.00	Jul 31	Aug 21	90.6%	37.2%	143.9%	--	58
$195.00	Jul 31	Sep 4	81.2%	33.6%	141.5%	1	66

PUTS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$185.00	Jul 31	Aug 28	148.4%	44.0%	237.2%	1	60
$190.00	Jul 31	Aug 28	128.4%	39.9%	221.8%	3	28
$175.00	Jul 31	Aug 21	187.6%	60.8%	208.7%	1	62
$200.00	Jul 31	Aug 21	90.6%	37.2%	143.9%	5	59
$202.50	Jul 31	Aug 21	80.1%	36.2%	121.2%	3	52

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 52 found (best R:R 36.04, avg 6.42)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$240.00	$250.00	Aug 21	$0.27	$9.73	$0.27	36.04	$240.27
$225.00	$235.00	Aug 7	$0.30	$9.70	$0.30	32.33	$225.30
$235.00	$240.00	Aug 7	$0.15	$4.85	$0.15	32.33	$235.15
$240.00	$245.00	Aug 7	$0.25	$4.75	$0.25	19.00	$240.25
$235.00	$240.00	Aug 21	$0.48	$4.52	$0.48	9.42	$235.48

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$195.00	$190.00	Aug 21	$0.17	$4.83	$0.17	28.41	$194.83
$190.00	$185.00	Aug 28	$0.20	$4.80	$0.20	24.00	$189.80
$210.00	$207.50	Jul 31	$0.15	$2.35	$0.15	15.67	$209.85
$205.00	$202.50	Jul 31	$0.17	$2.33	$0.17	13.71	$204.83
$202.50	$200.00	Aug 7	$0.20	$2.30	$0.20	11.50	$202.30

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 70 found (best R:R 65.67, avg 3.76)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$180.00	$185.00	Aug 7	$4.80	$4.80	$0.20	24.00	$184.80
$175.00	$190.00	Aug 21	$14.35	$14.35	$0.65	22.08	$189.35
$187.50	$200.00	Aug 7	$11.80	$11.80	$0.70	16.86	$199.30
$195.00	$200.00	Jul 31	$4.65	$4.65	$0.35	13.29	$199.65
$180.00	$182.50	Jul 31	$2.30	$2.30	$0.20	11.50	$182.30

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$245.00	$235.00	Jul 31	$9.85	$9.85	$0.15	65.67	$235.15
$235.00	$225.00	Jul 31	$9.55	$9.55	$0.45	21.22	$225.45
$240.00	$220.00	Aug 21	$15.70	$15.70	$4.30	3.65	$224.30
$225.00	$210.00	Jul 31	$9.32	$9.32	$5.68	1.64	$215.68
$220.00	$210.00	Aug 21	$4.70	$4.70	$5.30	0.89	$215.30

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 26 found (avg debit $1.09, cheapest $0.07)

CALLS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$180.00	Jul 31	Aug 7	$0.35	89.5%	84.8%
$235.00	Jul 31	Aug 7	$0.75	95.4%	55.8%
$200.00	Jul 31	Aug 7	$0.85	90.6%	47.6%
$225.00	Jul 31	Aug 7	$1.05	60.9%	39.7%
$190.00	Jul 31	Aug 21	$1.20	128.4%	43.2%

PUTS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$187.50	Jul 31	Aug 7	$0.07	138.4%	70.2%
$190.00	Jul 31	Aug 7	$0.12	128.4%	66.0%
$175.00	Jul 31	Aug 21	$0.13	187.6%	60.8%
$185.00	Jul 31	Aug 21	$0.17	148.4%	48.9%
$200.00	Jul 31	Aug 7	$0.17	90.6%	47.6%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 27 found (cheapest 3.74% of stock, avg 9.45%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$210.00	Jul 31	$6.60	$1.43	$8.03	$201.97	$218.03	3.74%
$207.50	Jul 31	$8.85	$1.28	$10.13	$197.37	$217.63	4.72%
$215.00	Aug 7	$6.10	$5.40	$11.50	$203.50	$226.50	5.35%
$225.00	Jul 31	$1.00	$10.75	$11.75	$213.25	$236.75	5.47%
$205.00	Jul 31	$10.75	$1.35	$12.10	$192.90	$217.10	5.63%
$210.00	Aug 7	$8.90	$3.40	$12.30	$197.70	$222.30	5.73%
$205.00	Aug 7	$12.10	$1.95	$14.05	$190.95	$219.05	6.54%
$202.50	Jul 31	$13.00	$1.18	$14.18	$188.32	$216.68	6.60%
$215.00	Aug 14	$7.55	$6.75	$14.30	$200.70	$229.30	6.66%
$202.50	Aug 7	$14.30	$1.55	$15.85	$186.65	$218.35	7.38%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 97 found (cheapest 1.01% of stock, avg 2.48%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$225.00	$202.50	Jul 31	$1.00	$1.18	$2.18	$200.32	$227.18
$225.00	$200.00	Jul 31	$1.00	$1.18	$2.18	$197.82	$227.18
$235.00	$202.50	Jul 31	$1.00	$1.18	$2.18	$200.32	$237.18
$235.00	$200.00	Jul 31	$1.00	$1.18	$2.18	$197.82	$237.18
$225.00	$207.50	Jul 31	$1.00	$1.28	$2.28	$205.22	$227.28
$235.00	$207.50	Jul 31	$1.00	$1.28	$2.28	$205.22	$237.28
$225.00	$205.00	Jul 31	$1.00	$1.35	$2.35	$202.65	$227.35
$235.00	$205.00	Jul 31	$1.00	$1.35	$2.35	$202.65	$237.35
$225.00	$210.00	Jul 31	$1.00	$1.43	$2.43	$207.57	$227.43
$235.00	$210.00	Jul 31	$1.00	$1.43	$2.43	$207.57	$237.43

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 63 found (best R:R 9.00, avg credit $3.00)

Put Spread	Call Spread	Expiry	Credit	Max Loss	R:R	BE Low	BE High
202/205	208/210	Aug 7	$2.25	$0.25	9.00	$202.75	$209.75
200/202	208/210	Aug 7	$2.05	$0.45	4.56	$200.45	$209.55
205/210	215/220	Aug 7	$4.08	$0.92	4.43	$205.92	$219.08
200/205	215/220	Aug 14	$4.02	$0.98	4.10	$200.98	$219.02
202/205	210/212	Aug 7	$2.00	$0.50	4.00	$203.00	$212.00
195/198	210/212	Jul 31	$1.95	$0.55	3.55	$195.55	$211.95
195/200	205/210	Aug 21	$3.80	$1.20	3.17	$196.20	$208.80
190/195	200/205	Aug 21	$3.67	$1.33	2.76	$191.33	$203.67
202/210	215/220	Aug 21	$5.50	$2.00	2.75	$204.50	$220.50
180/185	190/192	Jul 31	$3.65	$1.35	2.70	$181.35	$193.65

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 28 found (best R:R 54.56, cheapest $0.08)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$220.00	$222.50	$225.00	Aug 21	$0.08	$2.42	30.25
$190.00	$192.50	$195.00	Jul 31	$0.15	$2.35	15.67
$195.00	$200.00	$205.00	Aug 21	$0.35	$4.65	13.29
$205.00	$210.00	$215.00	Aug 21	$0.35	$4.65	13.29
$215.00	$217.50	$220.00	Jul 31	$0.20	$2.30	11.50

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$185.00	$190.00	$195.00	Aug 21	$0.09	$4.91	54.56
$225.00	$235.00	$245.00	Jul 31	$0.30	$9.70	32.33
$200.00	$202.50	$205.00	Jul 31	$0.17	$2.33	13.71
$200.00	$202.50	$205.00	Aug 7	$0.20	$2.30	11.50
$205.00	$207.50	$210.00	Jul 31	$0.22	$2.28	10.36

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 67 found (best net $-0.66, 56 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$240.00	$250.00	1:2	Aug 21	-$0.66	$9.34
$230.00	$240.00	1:2	Aug 28	-$1.20	$8.80
$225.00	$235.00	1:2	Aug 7	-$1.45	$8.55
$240.00	$250.00	1:2	Jul 31	-$2.03	$7.97
$187.50	$200.00	1:2	Aug 7	-$4.55	$7.95

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$220.00	$210.00	1:2	Aug 21	-$0.75	$9.25
$235.00	$225.00	1:2	Jul 31	-$1.20	$8.80
$210.00	$202.50	1:2	Aug 21	-$0.05	$7.45
$187.50	$180.00	1:2	Aug 7	-$1.11	$6.39
$200.00	$195.00	1:2	Aug 7	-$0.11	$4.89

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 24 found (best yield 3.35%, avg 1.17%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$215.00	Aug 21	$7.20	0.54	0.1%	3.35%	3.43%	--	19
$215.00	Aug 14	$6.10	0.53	0.1%	2.84%	2.92%	--	53
$220.00	Aug 28	$5.50	0.44	2.4%	2.56%	4.97%	--	14
$215.00	Aug 7	$4.70	0.53	0.1%	2.19%	2.27%	9	560
$220.00	Aug 21	$4.50	0.44	2.4%	2.09%	4.50%	1	475
$225.00	Sep 4	$4.10	0.37	4.7%	1.91%	6.64%	--	11
$225.00	Aug 28	$3.50	0.36	4.7%	1.63%	6.36%	--	12
$220.00	Aug 14	$3.40	0.41	2.4%	1.58%	3.99%	--	17
$222.50	Aug 21	$3.30	0.38	3.6%	1.54%	5.11%	--	10
$215.00	Jul 31	$2.65	0.52	0.1%	1.23%	1.31%	5	57

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 435

Total Puts 150

Put/Call Ratio 0.34

Net Difference 285

Prior's Put/Call Breakdown

Total Calls 724

Total Puts 762

Put/Call Ratio 1.00

Net Difference -38

Prior 7-Day Put/Call Summary

Total Calls 3,983

Total Puts 7,588

Average Put/Call Ratio 1.27

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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Option Volume

Dollar Volume

Put/Call Ratio

Open Interest

Expected Move

Relative Spread

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📈 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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