ATS · ATS Corp /ATS

$20.31 +0.18 (+0.89%) At close · Aug 14

Market Cap

$1.99B

98.13M

Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.

Model estimate

Expected Aug 14 short interest

as of Aug 14

2,045,068 +2.0% vs reported

The latest estimate appears in the chart below. Official release expected Aug 25. Methodology

Short Squeeze Score

53/100

Short interest 2.0% of shares — P51 Days to cover 15.2 — P95 Price vs VWAP -23.7% — P10 Short-volume trend -4.1% — P34 Short interest change +5.4% — P71 Worst FTD 0.02% of shares — P54

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-07-31). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.

1M 3M 6M 1Y 5Y All

Short Interest History

Settlement Date	Current Position	Previous Position	Change	Avg Daily Volume	Days to Cover
2026-08-31 Scheduled FINRA publishes Sep 10	—	—	—	—	—
2026-08-14 Scheduled FINRA publishes Aug 25	—	—	—	—	—
2026-07-31	2,004,523	1,901,339	+103,184	131,951	15.19
2026-07-15	1,901,339	1,894,815	+6,524	155,840	12.20
2026-06-30	1,894,815	2,132,755	-237,940	163,781	11.57
2026-06-15	2,132,755	2,254,681	-121,926	229,000	9.31
2026-05-29	2,254,681	2,031,218	+223,463	212,150	10.63
2026-05-15	2,031,218	2,137,422	-106,204	151,895	13.37
2026-04-30	2,137,422	2,246,357	-108,935	152,924	13.98
2026-04-15	2,246,357	2,609,876	-363,519	105,785	21.24
2026-03-31	2,609,876	2,791,333	-181,457	190,491	13.70
2026-03-13	2,791,333	2,445,616	+345,717	200,014	13.96
2026-02-27	2,445,616	2,494,863	-49,247	153,739	15.91
2026-02-13	2,494,863	2,823,006	-328,143	220,624	11.31
2026-01-30	2,823,006	2,848,005	-24,999	178,701	15.80
2026-01-15	2,848,005	2,740,553	+107,452	101,229	28.13
2025-12-31	2,740,553	2,511,370	+229,183	90,259	30.36
2025-12-15	2,511,370	2,735,415	-224,045	76,523	32.82
2025-11-28	2,735,415	2,595,807	+139,608	126,949	21.55
2025-11-14	2,667,030	2,896,722	-229,692	123,919	21.52
2025-10-31	2,896,722	3,097,303	-200,581	81,122	35.71
2025-10-15	3,097,303	3,133,656	-36,353	87,570	35.37
2025-09-30	3,133,656	3,232,767	-99,111	100,113	31.30
2025-09-15	3,232,767	3,416,252	-183,485	108,527	29.79
2025-08-29	3,416,252	3,585,371	-169,119	114,761	29.77
2025-08-15	3,585,371	3,669,485	-84,114	139,327	25.73

Showing 1–24 of 24 settlements

Key facts CIK 1394832 CUSIP 00217Y104 13F (30d) 142 filings 139 filers Visit website Investor relations