ACH	The short sale volume percent (not short interest) for stock ticker ACH is 46% on Jan 21, 2026. The short sale volume is 346,313. The total volume is 751,706. The short sale volume percent is up 7% 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	346,313	751,706	46%
2026-01-20	277,586	705,651	39%
2026-01-16	251,512	671,788	37%
2026-01-15	130,843	348,506	38%
2026-01-14	171,682	459,449	37%
2026-01-13	269,929	845,192	32%
2026-01-12	495,422	1,008,205	49%
2026-01-09	255,593	740,737	35%
2026-01-08	355,768	866,902	41%
2026-01-07	696,499	1,672,088	42%

Last 5 days short percent	40.11%
Last 10 days short percent	40.29%
Last 20 days short percent	N/A
Last 50 days short percent	N/A

Related Stock Ticker
Date	Ticker	Short Volume	Total Volume	Percent
2026-01-21	AA	861,197	2,626,792	33%
2026-01-21	KALU	27,788	55,860	50%