TSX · CSU · stock
Constellation Software Inc. (CSU) stock price history
Every TSX trading session of Constellation Software Inc. from Oct 25, 2007 to Sep 28, 2026: 4,749 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.
CSU adjusted close, 2007 to 2026
- CA$5,168
- All time high, 2025
- CA$4,102
- 52 week high, CA$2,193 low
- 4,749
- Daily sessions since 2007
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2007 to 2026 series and minute bars.
CSU key facts
- Constellation Software Inc. (CSU) closed at CA$2,859 on Sep 28, 2026 on TSX.
- CSU's all time high close is CA$5,168, set on May 8, 2025; its all time low close is CA$18.18 on Mar 20, 2008.
- CSU's 52 week range is CA$2,193 to CA$4,102.
- CSU returned -21.7% over the year to Sep 28, 2026 and +37.7% over five years.
- Over ten years CSU returned +410%, +17.7% a year compounded.
- CSU's deepest drawdown was -56.4% from May 8, 2025 to Feb 17, 2026.
- DataCedar holds 4,749 daily sessions of CSU history from Oct 25, 2007 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
CSU price chart, 2007 to 2026
CSU returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -9.6% |
| 3 months | +1.5% |
| 6 months | +21.3% |
| Year to date | -13.6% |
| 1 year | -21.7% |
| 3 years | +2.8% |
| 5 years | +37.7% |
| 10 years | +410.3% |
| Since Oct 25, 2007 | +14,396% |
| Compound annual growth, 18.9 years | +30.1% |
CSU records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- CA$5,168 on May 8, 2025
- All time low close
- CA$18.18 on Mar 20, 2008
- 52 week high
- CA$4,102 on Oct 6, 2025
- 52 week low
- CA$2,193 on Feb 12, 2026
- Deepest drawdown
- -56.4% from May 8, 2025 to Feb 17, 2026, not yet recovered
- Best single session
- +14.2% on Feb 14, 2019
- Worst single session
- -9.0% on Jul 27, 2018
- Volatility, 1 year annualised
- 45.0%
- Sessions closing higher, 1 year
- 47%
- Growth of 1 since 2007
- 145×
- Best calendar year
- 2013, +93%
- Worst calendar year
- 2025, -26%
CSU 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. 2007 starts on Oct 25, 2007; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | CA$3,311 | CA$3,354 | CA$2,193 | CA$2,859 | -13.3% | 14.4M | 186 |
| 2025 | CA$4,432 | CA$5,286 | CA$3,149 | CA$3,296 | -25.6% | 11.4M | 251 |
| 2024 | CA$3,270 | CA$4,863 | CA$3,197 | CA$4,432 | +35.5% | 7.5M | 252 |
| 2023 | CA$2,135 | CA$3,343 | CA$2,083 | CA$3,271 | +55.7% | 7.3M | 250 |
| 2022 | CA$2,329 | CA$2,360 | CA$1,772 | CA$2,101 | -9.7% | 8.4M | 250 |
| 2021 | CA$1,651 | CA$2,365 | CA$1,513 | CA$2,326 | +42.4% | 8.1M | 251 |
| 2020 | CA$1,249 | CA$1,769 | CA$1,061 | CA$1,634 | +31.5% | 12.6M | 252 |
| 2019 | CA$827.96 | CA$1,418 | CA$789.57 | CA$1,242 | +48.5% | 11.2M | 251 |
| 2018 | CA$728.10 | CA$1,084 | CA$688.76 | CA$836.52 | +15.1% | 11.5M | 251 |
| 2017 | CA$583.21 | CA$752.89 | CA$544.36 | CA$726.50 | +25.8% | 9.6M | 250 |
| 2016 | CA$533.55 | CA$613.78 | CA$401.10 | CA$577.38 | +6.8% | 11.2M | 251 |
| 2015 | CA$319.58 | CA$557.79 | CA$305.85 | CA$540.64 | +69.2% | 11.9M | 251 |
| 2014 | CA$204.98 | CA$323.34 | CA$200.30 | CA$319.58 | +56.0% | 10.6M | 251 |
| 2013 | CA$107.20 | CA$206.75 | CA$98.46 | CA$204.83 | +92.6% | 9.1M | 251 |
| 2012 | CA$66.15 | CA$110.10 | CA$66.15 | CA$106.35 | +62.8% | 9.9M | 251 |
| 2011 | CA$41.07 | CA$67.24 | CA$40.50 | CA$65.34 | +59.1% | 1.4M | 250 |
| 2010 | CA$29.86 | CA$41.07 | CA$29.86 | CA$41.06 | +36.9% | 1.1M | 251 |
| 2009 | CA$20.81 | CA$30.60 | CA$18.79 | CA$29.99 | +44.1% | 1.2M | 251 |
| 2008 | CA$20.05 | CA$23.84 | CA$18.18 | CA$20.81 | +2.8% | 1.3M | 252 |
| 2007 | CA$19.72 | CA$20.44 | CA$18.44 | CA$20.24 | n/a | 569.6K | 46 |
CSU monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | CA$2,859 | -8.9% |
| August 2026 | CA$3,137 | +4.5% |
| July 2026 | CA$3,002 | +12.5% |
| June 2026 | CA$2,669 | -5.4% |
| May 2026 | CA$2,820 | +14.1% |
| April 2026 | CA$2,471 | +1.3% |
| March 2026 | CA$2,440 | -3.1% |
| February 2026 | CA$2,517 | +0.3% |
| January 2026 | CA$2,509 | -23.9% |
| December 2025 | CA$3,296 | -2.3% |
| November 2025 | CA$3,375 | -8.4% |
| October 2025 | CA$3,684 | -2.3% |
About the CSU data
Daily bars. 4,749 sessions from Oct 25, 2007 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 Oct 25, 2007, 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/CSU/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on TSX
Common questions
CSU share price history
