ASX · OSL · stock
OncoSil Medical Limited (OSL) stock price history
Every ASX trading session of OncoSil Medical Limited from Aug 12, 2005 to Sep 28, 2026: 5,345 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.
OSL adjusted close, 2005 to 2026
- A$80.27
- All time high, 2016
- A$1.81
- 52 week high, A$0.3700 low
- 5,345
- Daily sessions since 2005
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2005 to 2026 series and minute bars.
OSL key facts
- OncoSil Medical Limited (OSL) closed at A$0.8600 on Sep 28, 2026 on ASX.
- OSL's all time high close is A$80.27, set on Jan 24, 2016; its all time low close is A$0.3900 on May 19, 2026.
- OSL's 52 week range is A$0.3700 to A$1.81.
- OSL returned -48.0% over the year to Sep 28, 2026 and -94.0% over five years.
- Over ten years OSL returned -97%, -30.8% a year compounded.
- OSL's deepest drawdown was -99.5% from Jan 24, 2016 to May 19, 2026.
- DataCedar holds 5,345 daily sessions of OSL history from Aug 12, 2005 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
OSL price chart, 2005 to 2026
OSL returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -26.8% |
| 3 months | +27.4% |
| 6 months | +67.0% |
| Year to date | -11.3% |
| 1 year | -48.0% |
| 3 years | -77.2% |
| 5 years | -94.0% |
| 10 years | -97.5% |
| Since Aug 12, 2005 | -98.4% |
| Compound annual growth, 21.1 years | -17.8% |
OSL records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- A$80.27 on Jan 24, 2016
- All time low close
- A$0.3900 on May 19, 2026
- 52 week high
- A$1.81 on Oct 15, 2025
- 52 week low
- A$0.3700 on May 19, 2026
- Deepest drawdown
- -99.5% from Jan 24, 2016 to May 19, 2026, not yet recovered
- Best single session
- +73.8% on Apr 13, 2022
- Worst single session
- -69.4% on Mar 24, 2019
- Volatility, 1 year annualised
- 95.4%
- Sessions closing higher, 1 year
- 33%
- Best calendar year
- 2013, +420%
- Worst calendar year
- 2023, -75%
OSL 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. 2005 starts on Aug 12, 2005; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | A$0.9700 | A$1.64 | A$0.3700 | A$0.8600 | -11.3% | 27.4M | 188 |
| 2025 | A$2.40 | A$2.80 | A$0.8000 | A$0.9700 | -59.6% | 5.7M | 253 |
| 2024 | A$3.40 | A$6.00 | A$1.60 | A$2.40 | -29.4% | 3.5M | 254 |
| 2023 | A$14.12 | A$14.73 | A$2.64 | A$3.40 | -75.4% | 1.6M | 252 |
| 2022 | A$14.25 | A$24.56 | A$10.01 | A$13.81 | +1.2% | 1.1M | 251 |
| 2021 | A$39.42 | A$42.45 | A$11.22 | A$13.65 | -62.5% | 1.3M | 254 |
| 2020 | A$50.54 | A$63.92 | A$24.38 | A$36.39 | -28.0% | 2.2M | 255 |
| 2019 | A$55.00 | A$62.44 | A$6.24 | A$50.54 | -8.1% | 1.5M | 253 |
| 2018 | A$44.60 | A$75.81 | A$34.19 | A$55.00 | +19.4% | 802.8K | 253 |
| 2017 | A$24.97 | A$53.52 | A$22.60 | A$46.08 | +80.2% | 572.4K | 252 |
| 2016 | A$74.33 | A$81.76 | A$23.78 | A$25.57 | -65.6% | 956.2K | 253 |
| 2015 | A$24.68 | A$78.79 | A$19.92 | A$74.33 | +190.7% | 1.3M | 255 |
| 2014 | A$38.65 | A$50.54 | A$22.00 | A$25.57 | -33.8% | 669K | 253 |
| 2013 | A$7.43 | A$53.52 | A$6.54 | A$38.65 | +420.0% | 588.8K | 253 |
| 2012 | A$9.51 | A$10.41 | A$5.95 | A$7.43 | -21.9% | 75.3K | 253 |
| 2011 | A$13.38 | A$22.89 | A$8.32 | A$9.51 | -25.6% | 199.6K | 248 |
| 2010 | A$13.08 | A$14.87 | A$5.34 | A$12.78 | +36.8% | 58.4K | 253 |
| 2009 | A$13.35 | A$16.02 | A$8.01 | A$9.35 | -30.0% | 10.1K | 254 |
| 2008 | A$38.72 | A$49.40 | A$13.35 | A$13.35 | -58.3% | 19.5K | 254 |
| 2007 | A$46.73 | A$66.75 | A$32.04 | A$32.04 | -31.4% | 35K | 253 |
| 2006 | A$49.40 | A$61.41 | A$37.38 | A$46.73 | -5.4% | 27.4K | 252 |
| 2005 | A$53.40 | A$61.41 | A$42.72 | A$49.40 | n/a | 15.1K | 99 |
OSL monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | A$0.8600 | -25.2% |
| August 2026 | A$1.15 | -0.9% |
| July 2026 | A$1.16 | +63.4% |
| June 2026 | A$0.7100 | +39.2% |
| May 2026 | A$0.5100 | +4.1% |
| April 2026 | A$0.4900 | -3.9% |
| March 2026 | A$0.5100 | -21.5% |
| February 2026 | A$0.6500 | -18.3% |
| January 2026 | A$0.7954 | -18.0% |
| December 2025 | A$0.9700 | -12.8% |
| November 2025 | A$1.11 | -11.4% |
| October 2025 | A$1.25 | -24.4% |
About the OSL data
Daily bars. 5,345 sessions from Aug 12, 2005 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 Aug 12, 2005, 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/OSL/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on ASX
Common questions
OSL share price history
