ESPR	The short sale volume percent (not short interest) for stock ticker ESPR is 50% on Jan 21, 2026. The short sale volume is 1,107,785. The total volume is 2,223,818. The short sale volume percent is up 21% compare to Jan 20, 2026.

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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
2026-01-21	1,107,785	2,223,818	50%
2026-01-20	745,329	2,589,930	29%
2026-01-16	730,005	1,919,918	38%
2026-01-15	726,032	2,592,333	28%
2026-01-14	794,871	2,039,052	39%
2026-01-13	2,923,492	7,585,307	39%
2026-01-12	1,975,970	4,981,329	40%
2026-01-09	971,790	2,526,044	38%
2026-01-08	1,870,364	5,650,148	33%
2026-01-07	593,599	2,774,644	21%

Last 5 days short percent	36.11%
Last 10 days short percent	35.66%
Last 20 days short percent	37.44%
Last 50 days short percent	32.77%

Related Stock Ticker
Date	Ticker	Short Volume	Total Volume	Percent
2026-01-21	BMRN	253,870	638,165	40%
2026-01-21	FOLD	468,981	1,463,651	32%
2026-01-21	LXRX	2,599,613	6,433,836	40%
2026-01-21	PFE	8,519,233	23,358,408	36%
2026-01-21	RARE	216,643	1,101,960	20%
2026-01-21	REGN	75,396	282,418	27%
2026-01-21	XLV	2,420,462	3,532,036	69%