TSX · ATS · stock

ATS Corporation (ATS) stock price history

Every TSX trading session of ATS Corporation from Mar 20, 1996 to Sep 28, 2026: 7,669 daily bars, adjusted for splits and dividends, with minute bars from Sep 17, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

ATS adjusted close, 1996 to 2026

ATSATS Corporation
CA$26.66-25.6% over one year
200020052010201520202025
CA$64.16
All time high, 2023
CA$49.48
52 week high, CA$25.59 low
7,669
Daily sessions since 1996

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1996 to 2026 series and minute bars.

ATS key facts

  • ATS Corporation (ATS) closed at CA$26.66 on Sep 28, 2026 on TSX.
  • ATS's all time high close is CA$64.16, set on Jul 18, 2023; its all time low close is CA$3.01 on Mar 9, 2009.
  • ATS's 52 week range is CA$25.59 to CA$49.48.
  • ATS returned -25.6% over the year to Sep 28, 2026 and -35.4% over five years.
  • Over ten years ATS returned +138%, +9.1% a year compounded.
  • ATS's deepest drawdown was -92.5% from Sep 8, 2000 to Mar 9, 2009.
  • DataCedar holds 7,669 daily sessions of ATS history from Mar 20, 1996 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

ATS price chart, 1996 to 2026

ATS adjusted close, Mar 20, 1996 to Sep 28, 2026CA$3.48CA$9.11CA$23.85CA$62.42200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

ATS returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month-0.2%
3 months-33.0%
6 months-31.5%
Year to date-30.0%
1 year-25.6%
3 years-54.4%
5 years-35.4%
10 years+138.2%
Since Mar 20, 1996+322.3%
Compound annual growth, 30.5 years+4.8%

ATS records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
CA$64.16 on Jul 18, 2023
All time low close
CA$3.01 on Mar 9, 2009
52 week high
CA$49.48 on May 27, 2026
52 week low
CA$25.59 on Sep 1, 2026
Deepest drawdown
-92.5% from Sep 8, 2000 to Mar 9, 2009, recovered Aug 11, 2021
Best single session
+24.6% on Aug 13, 2008
Worst single session
-27.9% on Jan 20, 1999
Volatility, 1 year annualised
51.5%
Sessions closing higher, 1 year
49%
Growth of 1 since 1996
4.2×
Best calendar year
1997, +144%
Worst calendar year
2007, -53%

ATS price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 1996 starts on Mar 20, 1996; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026CA$37.88CA$49.48CA$25.59CA$26.66-29.5%57.3M186
2025CA$44.31CA$44.61CA$29.81CA$37.81-13.8%52.9M251
2024CA$56.48CA$60.01CA$33.47CA$43.84-23.2%61.8M252
2023CA$42.86CA$64.80CA$41.94CA$57.11+35.7%44.8M250
2022CA$50.50CA$53.65CA$30.60CA$42.09-16.2%54.3M250
2021CA$22.42CA$52.62CA$21.67CA$50.24+124.8%54M251
2020CA$21.52CA$23.55CA$14.27CA$22.35+4.3%74.5M252
2019CA$14.25CA$22.38CA$14.04CA$21.43+48.9%48.8M251
2018CA$15.52CA$24.67CA$13.28CA$14.39-7.5%61.4M251
2017CA$12.48CA$16.07CA$11.23CA$15.55+24.2%30.4M250
2016CA$11.29CA$12.97CA$8.29CA$12.52+10.0%47.2M251
2015CA$15.51CA$16.60CA$11.25CA$11.38-26.6%37.6M251
2014CA$13.53CA$16.56CA$11.90CA$15.50+14.0%44.7M251
2013CA$8.78CA$15.45CA$8.45CA$13.60+54.7%48.6M251
2012CA$6.55CA$9.99CA$6.26CA$8.79+36.3%34.3M251
2011CA$6.82CA$8.40CA$5.41CA$6.45-4.2%34.6M250
2010CA$7.52CA$8.45CA$5.46CA$6.73-10.0%46.7M251
2009CA$5.04CA$7.90CA$2.74CA$7.48+49.6%76.3M251
2008CA$5.19CA$8.90CA$2.75CA$5.00-3.7%85.2M252
2007CA$11.16CA$12.98CA$3.71CA$5.19-53.5%133.9M252
2006CA$14.30CA$18.45CA$9.09CA$11.16-22.5%84.5M251
2005CA$11.00CA$17.75CA$10.70CA$14.40+34.0%61.1M251
2004CA$12.74CA$14.50CA$9.87CA$10.75-15.7%37.2M253
2003CA$12.30CA$15.80CA$8.10CA$12.75+5.0%29.6M252
2002CA$17.50CA$23.25CA$10.12CA$12.14-28.6%31.4M252
2001CA$20.10CA$29.05CA$12.61CA$17.00-15.0%35.2M251
2000CA$23.50CA$40.50CA$18.90CA$20.00-17.5%53.3M251
1999CA$19.85CA$24.60CA$9.50CA$24.25+21.9%39.9M252
1998CA$26.00CA$26.75CA$14.50CA$19.90-24.9%30.6M252
1997CA$10.75CA$30.13CA$9.27CA$26.50+143.7%26.8M252
1996CA$6.31CA$11.75CA$6.13CA$10.88n/a19.2M197

ATS monthly closes, last 12 months

MonthMonth end closeChange
September 2026CA$26.66-0.2%
August 2026CA$26.72-30.1%
July 2026CA$38.25-6.4%
June 2026CA$40.88-4.1%
May 2026CA$42.63-3.3%
April 2026CA$44.07+12.4%
March 2026CA$39.21-10.0%
February 2026CA$43.55+12.5%
January 2026CA$38.70+2.4%
December 2025CA$37.81+5.2%
November 2025CA$35.93-6.9%
October 2025CA$38.58+6.0%

About the ATS data

Daily bars. 7,669 sessions from Mar 20, 1996 to Sep 28, 2026, one row per TSX trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Sep 17, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are TSX trading days; minute timestamps are UTC. Prices are in CAD. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Mar 20, 1996, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/ATS/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

ATS share price history

Start with any symbol.