TSX · KLS · stock

Kelso Technologies Inc. (KLS) stock price history

Every TSX trading session of Kelso Technologies Inc. from Aug 8, 1996 to Sep 25, 2026: 7,571 daily bars, adjusted for splits and dividends, with minute bars from Sep 18, 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.

KLS adjusted close, 1996 to 2026

KLSKelso Technologies Inc.
CA$0.1400-22.2% over one year
200020052010201520202025
CA$7.07
All time high, 2014
CA$0.2500
52 week high, CA$0.1100 low
7,571
Daily sessions since 1996

Last updated Sep 25, 2026, the last stored session. Refreshes after each trading day. Full 1996 to 2026 series and minute bars.

KLS key facts

  • Kelso Technologies Inc. (KLS) closed at CA$0.1400 on Sep 25, 2026 on TSX.
  • KLS's all time high close is CA$7.07, set on May 8, 2014; its all time low close is CA$0.1100 on Dec 24, 2024.
  • KLS's 52 week range is CA$0.1100 to CA$0.2500.
  • KLS returned -22.2% over the year to Sep 25, 2026 and -81.8% over five years.
  • Over ten years KLS returned -89%, -20.0% a year compounded.
  • KLS's deepest drawdown was -98.4% from May 8, 2014 to Dec 24, 2024.
  • DataCedar holds 7,571 daily sessions of KLS history from Aug 8, 1996 and minute bars from Sep 18, 2026, adjusted for splits and dividends, served by the API under a key.

KLS price chart, 1996 to 2026

KLS adjusted close, Aug 8, 1996 to Sep 25, 2026CA$0.1200CA$0.4591CA$1.76CA$6.72200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

KLS returns

Price return from the last close on or before the window start to Sep 25, 2026, on adjusted closes.

PeriodReturn
1 month+7.7%
3 months-17.6%
6 months-12.5%
Year to date-30.0%
1 year-22.2%
3 years-50.0%
5 years-81.8%
10 years-89.3%
Since Aug 8, 1996-87.4%
Compound annual growth, 30.1 years-6.6%

KLS records

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

All time high close
CA$7.07 on May 8, 2014
All time low close
CA$0.1100 on Dec 24, 2024
52 week high
CA$0.2500 on Nov 12, 2025
52 week low
CA$0.1100 on May 15, 2026
Deepest drawdown
-98.4% from May 8, 2014 to Dec 24, 2024, not yet recovered
Best single session
+150.0% on Mar 6, 2000
Worst single session
-53.3% on Apr 21, 1999
Volatility, 1 year annualised
82.1%
Sessions closing higher, 1 year
21%
Best calendar year
2013, +362%
Worst calendar year
2015, -78%

KLS 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 Aug 8, 1996; 2026 runs to Sep 25, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026CA$0.2100CA$0.2100CA$0.1100CA$0.1400-30.0%5.6M185
2025CA$0.1400CA$0.2500CA$0.1300CA$0.2000+42.9%8.8M251
2024CA$0.2200CA$0.3500CA$0.1100CA$0.1400-33.3%5.8M252
2023CA$0.4000CA$0.5800CA$0.1600CA$0.2100-50.0%3.5M250
2022CA$0.5900CA$0.7200CA$0.2800CA$0.4200-25.0%2.2M250
2021CA$0.7200CA$1.85CA$0.5400CA$0.5600-21.1%16.3M251
2020CA$0.9400CA$1.32CA$0.5500CA$0.7100-23.7%5.4M252
2019CA$0.5500CA$2.19CA$0.5500CA$0.9300+60.3%7.2M251
2018CA$0.6300CA$1.25CA$0.4600CA$0.5800-12.1%8.1M251
2017CA$1.19CA$1.40CA$0.3200CA$0.6600-47.2%8.8M250
2016CA$1.50CA$1.90CA$0.9600CA$1.25-16.7%5.4M251
2015CA$6.71CA$6.75CA$0.9800CA$1.50-77.6%10.7M251
2014CA$3.11CA$7.26CA$2.98CA$6.71+115.8%16.2M251
2013CA$0.6536CA$3.43CA$0.5743CA$3.11+361.8%15.1M251
2012CA$0.5942CA$0.7130CA$0.4852CA$0.6734+15.3%7.2M251
2011CA$0.3664CA$0.7724CA$0.3664CA$0.5842+59.5%11.3M250
2010CA$0.2080CA$0.3664CA$0.1386CA$0.3664+76.2%7M251
2009CA$0.2080CA$0.4159CA$0.1386CA$0.20800.0%1.6M251
2008CA$0.4852CA$0.6239CA$0.1386CA$0.2080-57.1%1.4M252
2007CA$0.4852CA$0.9011CA$0.4159CA$0.48520.0%2.4M252
2006CA$0.4852CA$1.32CA$0.4159CA$0.4852-30.0%1.8M251
2005CA$2.29CA$2.63CA$0.4852CA$0.6932-67.7%1.5M251
2004CA$0.9011CA$2.50CA$0.8318CA$2.15+138.5%1.7M253
2003CA$1.59CA$3.33CA$0.6239CA$0.9011-43.5%1.2M252
2002CA$0.6239CA$1.80CA$0.3466CA$1.59+187.5%447.2K252
2001CA$0.4852CA$1.25CA$0.4159CA$0.5545+14.3%492.1K251
2000CA$0.4159CA$7.62CA$0.2080CA$0.4852+16.7%6.8M251
1999CA$0.5545CA$1.04CA$0.4159CA$0.4159-25.0%183.4K252
1998CA$1.04CA$4.02CA$0.4159CA$0.5545-46.7%461.7K252
1997CA$0.6932CA$1.39CA$0.3466CA$1.04+50.0%220.9K252
1996CA$1.11CA$1.46CA$0.6932CA$0.6932n/a127.9K100

KLS monthly closes, last 12 months

MonthMonth end closeChange
September 2026CA$0.1400+16.7%
August 2026CA$0.1200-7.7%
July 2026CA$0.1300-23.5%
June 2026CA$0.1700+30.8%
May 2026CA$0.1300-7.1%
April 2026CA$0.1400-12.5%
March 2026CA$0.1600-5.9%
February 2026CA$0.1700-10.5%
January 2026CA$0.1900-5.0%
December 2025CA$0.20000.0%
November 2025CA$0.2000-4.8%
October 2025CA$0.2100+5.0%

About the KLS data

Daily bars. 7,571 sessions from Aug 8, 1996 to Sep 25, 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 18, 2026 forward, most recent session Sep 25, 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 Aug 8, 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/KLS/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

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