ACLS	The short sale volume percent (not short interest) for stock ticker ACLS is 68% on Jan 21, 2026. The short sale volume is 118,788. The total volume is 174,355. The short sale volume percent is down -14% 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	118,788	174,355	68%
2026-01-20	160,455	196,465	82%
2026-01-16	197,498	237,688	83%
2026-01-15	172,763	216,626	80%
2026-01-14	174,147	235,719	74%
2026-01-13	169,882	216,629	78%
2026-01-12	160,554	288,495	56%
2026-01-09	145,045	238,500	61%
2026-01-08	258,712	321,860	80%
2026-01-07	262,823	337,731	78%

Last 5 days short percent	77.64%
Last 10 days short percent	73.89%
Last 20 days short percent	67.71%
Last 50 days short percent	65.17%

Related Stock Ticker
Date	Ticker	Short Volume	Total Volume	Percent
2026-01-21	AMAT	983,622	2,612,881	38%
2026-01-21	ASYS	221,430	594,205	37%
2026-01-21	CVV	14,672	42,584	34%
2026-01-21	LRCX	1,976,108	4,157,332	48%
2026-01-21	VECO	65,803	123,640	53%
2026-01-21	XLK	1,935,570	4,823,581	40%