BIIB	The short sale volume percent (not short interest) for stock ticker BIIB is 42% on Oct 15, 2021. The short sale volume is 211,724. The total volume is 500,092. The short sale volume percent is down -5% compare to Oct 14, 2021.

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Insider Buying

The Volume and short volume are limited. It is not including all volumes from all Market.
Date	Short Volume	Total Volume	Percent
2021-10-15	211,724	500,092	42%
2021-10-14	121,853	259,588	47%
2021-10-13	66,940	183,111	37%
2021-10-12	141,166	280,066	50%
2021-10-11	115,512	246,958	47%
2021-10-08	93,518	243,641	38%
2021-10-07	116,788	261,503	45%
2021-10-06	163,111	382,133	43%
2021-10-05	119,195	321,601	37%
2021-10-04	90,616	278,593	33%

Last 5 days short percent	44.71%
Last 10 days short percent	41.94%
Last 20 days short percent	39.39%
Last 50 days short percent	41.21%

Related Stock Ticker
Date	Ticker	Short Volume	Total Volume	Percent
2021-10-15	ABBV	499,647	1,683,945	30%
2021-10-15	ACOR	38,742	60,490	64%
2021-10-15	AMGN	349,142	923,460	38%
2021-10-15	BIO	15,114	28,678	53%
2021-10-15	GILD	366,849	1,370,093	27%
2021-10-15	JNJ	1,384,904	2,969,086	47%
2021-10-15	PFE	4,209,446	11,497,499	37%
2021-10-15	SGMO	127,263	353,900	36%
2021-10-15	SNY	263,815	511,318	52%
2021-10-15	XLV	2,500,201	3,765,006	66%