ASX · ECT · stock

Environmental Clean Technologies Limited (ECT) stock price history

Every ASX trading session of Environmental Clean Technologies Limited from Jan 28, 1988 to Sep 28, 2026: 9,912 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.

ECT adjusted close, 1988 to 2026

ECTEnvironmental Clean Technologies Limited
A$0.1150-34.3% over one year
1990200020102020
A$467.39
All time high, 2001
A$0.1900
52 week high, A$0.0750 low
9,912
Daily sessions since 1988

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1988 to 2026 series and minute bars.

ECT key facts

  • Environmental Clean Technologies Limited (ECT) closed at A$0.1150 on Sep 28, 2026 on ASX.
  • ECT's all time high close is A$467.39, set on Mar 4, 2001; its all time low close is A$0.0300 on Aug 21, 2024.
  • ECT's 52 week range is A$0.0750 to A$0.1900.
  • ECT returned -34.3% over the year to Sep 28, 2026 and -14.8% over five years.
  • Over ten years ECT returned -95%, -25.7% a year compounded.
  • ECT's deepest drawdown was -100.0% from Mar 4, 2001 to Aug 21, 2024.
  • DataCedar holds 9,912 daily sessions of ECT history from Jan 28, 1988 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

ECT price chart, 1988 to 2026

ECT adjusted close, Jan 28, 1988 to Sep 28, 2026A$0.0300A$0.7250A$17.52A$423.4019901995200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

ECT returns

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

PeriodReturn
1 month0.0%
3 months+15.0%
6 months+36.9%
Year to date-34.3%
1 year-34.3%
3 years+27.8%
5 years-14.8%
10 years-94.9%
Since Jan 28, 1988-99.9%
Compound annual growth, 38.7 years-17.8%

ECT records

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

All time high close
A$467.39 on Mar 4, 2001
All time low close
A$0.0300 on Aug 21, 2024
52 week high
A$0.1900 on Jan 1, 2026
52 week low
A$0.0750 on Mar 22, 2026
Deepest drawdown
-100.0% from Mar 4, 2001 to Aug 21, 2024, not yet recovered
Best single session
+119.7% on Jan 18, 2006
Worst single session
-80.0% on Jan 4, 2006
Volatility, 1 year annualised
114.2%
Sessions closing higher, 1 year
32%
Best calendar year
2025, +483%
Worst calendar year
2019, -80%

ECT 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. 1988 starts on Jan 28, 1988; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026A$0.1800A$0.1900A$0.0750A$0.1150-34.3%106.2M188
2025A$0.0300A$0.2000A$0.0150A$0.1750+483.4%108M253
2024A$0.0900A$0.1050A$0.0225A$0.0300-66.7%15M254
2023A$0.1650A$0.1950A$0.0750A$0.0900-45.5%19.7M252
2022A$0.5700A$0.6450A$0.1650A$0.1650-71.1%83.4M251
2021A$0.2250A$1.45A$0.1350A$0.5700+280.0%64.7M254
2020A$0.2250A$0.3000A$0.1500A$0.1500-33.3%6.7M255
2019A$1.13A$1.46A$0.1125A$0.2250-80.0%6.7M253
2018A$1.01A$2.47A$0.9000A$1.13+11.1%6.9M253
2017A$2.03A$2.59A$0.9000A$1.01-50.0%6M252
2016A$2.59A$3.94A$1.13A$2.03-18.2%12.8M253
2015A$1.01A$3.15A$0.6750A$2.47+175.0%14.5M255
2014A$1.01A$1.58A$0.2250A$0.9000-11.1%7.1M253
2013A$1.35A$1.46A$0.6750A$1.01-25.0%8.4M253
2012A$0.6750A$4.39A$0.5625A$1.35+100.0%23M253
2011A$2.70A$3.83A$0.4500A$0.6750-75.0%11.5M248
2010A$4.50A$5.96A$2.36A$2.70-41.5%16.8M253
2009A$3.26A$12.94A$1.35A$4.61+36.7%20.4M254
2008A$12.94A$18.56A$3.15A$3.38-72.7%1.6M254
2007A$24.75A$32.63A$10.24A$12.38-52.2%1.5M253
2006A$37.13A$131.06A$7.43A$25.88-30.3%635.2K252
2005A$37.13A$37.13A$37.13A$37.130.0%0252
2004A$143.44A$154.69A$33.75A$37.13-73.6%103.3K261
2003A$165.94A$185.63A$118.13A$140.63-16.7%65K261
2002A$366.07A$382.71A$126.56A$168.75-53.9%35.3K261
2001A$313.43A$478.39A$274.94A$366.07+16.8%71.7K261
2000A$159.46A$379.41A$93.48A$313.43+96.6%91.5K261
1999A$156.71A$192.46A$126.47A$159.46+3.6%43.6K259
1998A$131.97A$170.46A$93.48A$153.97+16.7%0260
1997A$140.22A$148.47A$98.98A$131.97-5.9%0261
1996A$186.96A$186.96A$120.97A$140.22-25.0%0262
1995A$219.95A$219.95A$159.46A$186.96-15.0%0261
1994A$192.46A$329.93A$192.46A$219.95+14.3%0260
1993A$93.48A$192.46A$71.48A$192.46+105.9%0260
1992A$153.97A$153.97A$82.48A$93.48-39.3%0262
1991A$76.98A$203.45A$76.98A$153.97+100.0%0261
1990A$93.48A$153.97A$76.98A$76.98-17.6%0261
1989A$54.99A$148.47A$54.99A$93.48+70.0%0261
1988A$219.95A$219.95A$54.99A$54.99n/a0241

ECT monthly closes, last 12 months

MonthMonth end closeChange
September 2026A$0.11500.0%
August 2026A$0.1150-14.8%
July 2026A$0.1350+35.0%
June 2026A$0.1000-23.1%
May 2026A$0.13000.0%
April 2026A$0.1300+52.9%
March 2026A$0.0850-34.6%
February 2026A$0.1300-10.3%
January 2026A$0.1450-17.1%
December 2025A$0.1750+29.6%
November 2025A$0.1350+8.0%
October 2025A$0.1250-19.4%

About the ECT data

Daily bars. 9,912 sessions from Jan 28, 1988 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 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 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 Jan 28, 1988, 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/ECT/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

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