ASX · CGS · stock
Cogstate Limited (CGS) stock price history
Every ASX trading session of Cogstate Limited from Feb 11, 2004 to Sep 28, 2026: 5,730 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.
CGS adjusted close, 2004 to 2026
- A$3.43
- All time high, 2026
- A$3.50
- 52 week high, A$1.73 low
- 5,730
- Daily sessions since 2004
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2004 to 2026 series and minute bars.
CGS key facts
- Cogstate Limited (CGS) closed at A$3.31 on Sep 28, 2026 on ASX.
- CGS's all time high close is A$3.43, set on Sep 18, 2026; its all time low close is A$0.0665 on May 12, 2005.
- CGS's 52 week range is A$1.73 to A$3.50.
- CGS returned +54.5% over the year to Sep 28, 2026 and +43.7% over five years.
- Over ten years CGS returned +280%, +14.3% a year compounded.
- CGS's deepest drawdown was -88.6% from Nov 20, 2016 to Jul 4, 2019.
- DataCedar holds 5,730 daily sessions of CGS history from Feb 11, 2004 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
CGS price chart, 2004 to 2026
CGS returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +6.1% |
| 3 months | +21.5% |
| 6 months | +49.7% |
| Year to date | +48.4% |
| 1 year | +54.5% |
| 3 years | +122.4% |
| 5 years | +43.7% |
| 10 years | +280.3% |
| Since Feb 11, 2004 | +596.7% |
| Compound annual growth, 22.6 years | +9.0% |
CGS records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- A$3.43 on Sep 18, 2026
- All time low close
- A$0.0665 on May 12, 2005
- 52 week high
- A$3.50 on Sep 21, 2026
- 52 week low
- A$1.73 on Dec 9, 2025
- Deepest drawdown
- -88.6% from Nov 20, 2016 to Jul 4, 2019, recovered Jun 8, 2021
- Best single session
- +51.4% on Jun 8, 2021
- Worst single session
- -30.8% on May 12, 2005
- Volatility, 1 year annualised
- 48.4%
- Sessions closing higher, 1 year
- 46%
- Growth of 1 since 2004
- 7.0×
- Best calendar year
- 2015, +195%
- Worst calendar year
- 2005, -52%
CGS 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. 2004 starts on Feb 11, 2004; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | A$2.24 | A$3.50 | A$1.98 | A$3.31 | +48.4% | 52.6M | 188 |
| 2025 | A$1.03 | A$2.93 | A$1.01 | A$2.23 | +118.7% | 42.7M | 253 |
| 2024 | A$1.42 | A$1.44 | A$0.7760 | A$1.02 | -27.7% | 34.3M | 254 |
| 2023 | A$1.91 | A$2.40 | A$1.11 | A$1.41 | -26.3% | 65.4M | 252 |
| 2022 | A$2.36 | A$2.62 | A$1.20 | A$1.91 | -19.0% | 44.9M | 251 |
| 2021 | A$1.10 | A$2.58 | A$0.7808 | A$2.36 | +120.0% | 58.1M | 254 |
| 2020 | A$0.3855 | A$1.43 | A$0.2831 | A$1.07 | +182.1% | 28.2M | 255 |
| 2019 | A$0.5851 | A$0.5948 | A$0.1499 | A$0.3807 | -34.4% | 18.5M | 253 |
| 2018 | A$0.8656 | A$0.9285 | A$0.4836 | A$0.5803 | -32.6% | 13.5M | 253 |
| 2017 | A$1.21 | A$1.34 | A$0.7592 | A$0.8608 | -27.3% | 17.5M | 252 |
| 2016 | A$0.5706 | A$1.33 | A$0.4788 | A$1.18 | +107.6% | 33M | 253 |
| 2015 | A$0.1934 | A$0.5948 | A$0.1354 | A$0.5706 | +195.0% | 17.3M | 255 |
| 2014 | A$0.3482 | A$0.3724 | A$0.1547 | A$0.1934 | -44.4% | 19.7M | 253 |
| 2013 | A$0.3366 | A$0.5289 | A$0.2981 | A$0.3482 | +9.7% | 8M | 253 |
| 2012 | A$0.2452 | A$0.4087 | A$0.2356 | A$0.3173 | +37.5% | 7.7M | 253 |
| 2011 | A$0.2260 | A$0.2500 | A$0.1442 | A$0.2308 | +2.1% | 9.2M | 248 |
| 2010 | A$0.3077 | A$0.3077 | A$0.2019 | A$0.2260 | -25.4% | 3.2M | 253 |
| 2009 | A$0.1635 | A$0.3847 | A$0.1442 | A$0.3029 | +96.9% | 16.5M | 254 |
| 2008 | A$0.1442 | A$0.1923 | A$0.0602 | A$0.1539 | +23.1% | 7.6M | 254 |
| 2007 | A$0.2103 | A$0.2724 | A$0.1051 | A$0.1250 | -40.6% | 8.8M | 253 |
| 2006 | A$0.1106 | A$0.2868 | A$0.0950 | A$0.2103 | +90.2% | 13.1M | 252 |
| 2005 | A$0.2328 | A$0.2328 | A$0.0665 | A$0.1106 | -51.5% | 14.1M | 252 |
| 2004 | A$0.4751 | A$0.5606 | A$0.1758 | A$0.2280 | n/a | 21.7M | 232 |
CGS monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | A$3.31 | +7.5% |
| August 2026 | A$3.08 | +24.8% |
| July 2026 | A$2.47 | -8.4% |
| June 2026 | A$2.69 | +7.1% |
| May 2026 | A$2.52 | +2.8% |
| April 2026 | A$2.45 | +14.3% |
| March 2026 | A$2.14 | -5.2% |
| February 2026 | A$2.26 | +6.5% |
| January 2026 | A$2.12 | -4.9% |
| December 2025 | A$2.23 | -7.4% |
| November 2025 | A$2.41 | -11.3% |
| October 2025 | A$2.71 | +25.6% |
About the CGS data
Daily bars. 5,730 sessions from Feb 11, 2004 to Sep 28, 2026, one row per ASX 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 29, 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 ASX trading days; minute timestamps are UTC. Prices are in AUD. 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 Feb 11, 2004, 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/CGS/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on ASX
Common questions
CGS share price history
