ASX · BCK · stock
Brockman Mining Limited (BCK) stock price history
Every ASX trading session of Brockman Mining Limited from Feb 7, 2011 to Sep 28, 2026: 3,956 daily bars, adjusted for splits and dividends, with minute bars from Sep 25, 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.
BCK adjusted close, 2011 to 2026
- A$0.2000
- All time high, 2011
- A$0.0210
- 52 week high, A$0.0100 low
- 3,956
- Daily sessions since 2011
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2011 to 2026 series and minute bars.
BCK key facts
- Brockman Mining Limited (BCK) closed at A$0.0120 on Sep 28, 2026 on ASX.
- BCK's all time high close is A$0.2000, set on Feb 17, 2011; its all time low close is A$0.0100 on Jul 1, 2026.
- BCK's 52 week range is A$0.0100 to A$0.0210.
- BCK returned -40.0% over the year to Sep 28, 2026 and -75.0% over five years.
- Over ten years BCK returned -8%, -0.8% a year compounded.
- BCK's deepest drawdown was -95.0% from Jul 22, 2011 to Jul 1, 2026.
- DataCedar holds 3,956 daily sessions of BCK history from Feb 7, 2011 and minute bars from Sep 25, 2026, adjusted for splits and dividends, served by the API under a key.
BCK price chart, 2011 to 2026
BCK returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +9.1% |
| 3 months | -20.0% |
| 6 months | -20.0% |
| Year to date | -7.7% |
| 1 year | -40.0% |
| 3 years | -55.6% |
| 5 years | -75.0% |
| 10 years | -7.7% |
| Since Feb 7, 2011 | -93.3% |
| Compound annual growth, 15.6 years | -15.9% |
BCK records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- A$0.2000 on Feb 17, 2011
- All time low close
- A$0.0100 on Jul 1, 2026
- 52 week high
- A$0.0210 on Oct 9, 2025
- 52 week low
- A$0.0100 on Jul 1, 2026
- Deepest drawdown
- -95.0% from Jul 22, 2011 to Jul 1, 2026, not yet recovered
- Best single session
- +161.5% on Apr 23, 2021
- Worst single session
- -51.3% on Sep 20, 2018
- Volatility, 1 year annualised
- 84.5%
- Sessions closing higher, 1 year
- 10%
- Best calendar year
- 2020, +136%
- Worst calendar year
- 2022, -50%
BCK 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. 2011 starts on Feb 7, 2011; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | A$0.0140 | A$0.0210 | A$0.0100 | A$0.0120 | -7.7% | 8.9M | 188 |
| 2025 | A$0.0160 | A$0.0220 | A$0.0120 | A$0.0130 | -18.8% | 17.9M | 253 |
| 2024 | A$0.0280 | A$0.0290 | A$0.0135 | A$0.0160 | -42.9% | 20.7M | 254 |
| 2023 | A$0.0250 | A$0.0390 | A$0.0220 | A$0.0280 | +12.0% | 22.7M | 252 |
| 2022 | A$0.0490 | A$0.0670 | A$0.0200 | A$0.0250 | -50.0% | 38M | 251 |
| 2021 | A$0.0590 | A$0.1200 | A$0.0260 | A$0.0500 | -15.3% | 121.4M | 254 |
| 2020 | A$0.0250 | A$0.0800 | A$0.0140 | A$0.0590 | +136.0% | 26.8M | 255 |
| 2019 | A$0.0300 | A$0.0970 | A$0.0220 | A$0.0250 | -16.7% | 20.8M | 253 |
| 2018 | A$0.0220 | A$0.0630 | A$0.0160 | A$0.0300 | +36.4% | 13.3M | 253 |
| 2017 | A$0.0200 | A$0.0280 | A$0.0140 | A$0.0220 | +10.0% | 12.6M | 252 |
| 2016 | A$0.0200 | A$0.0260 | A$0.0130 | A$0.0200 | -20.0% | 8M | 253 |
| 2015 | A$0.0500 | A$0.0520 | A$0.0200 | A$0.0250 | -44.4% | 11.3M | 255 |
| 2014 | A$0.0650 | A$0.0650 | A$0.0400 | A$0.0450 | -30.8% | 29.4M | 253 |
| 2013 | A$0.0500 | A$0.0700 | A$0.0430 | A$0.0650 | +30.0% | 66.9M | 253 |
| 2012 | A$0.0600 | A$0.0660 | A$0.0400 | A$0.0500 | -16.7% | 30.5M | 253 |
| 2011 | A$0.1800 | A$0.2000 | A$0.0590 | A$0.0600 | n/a | 17.3M | 224 |
BCK monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | A$0.0120 | +9.1% |
| August 2026 | A$0.0110 | -8.3% |
| July 2026 | A$0.0120 | 0.0% |
| June 2026 | A$0.0120 | -20.0% |
| May 2026 | A$0.0150 | +7.1% |
| April 2026 | A$0.0140 | -6.7% |
| March 2026 | A$0.0150 | -6.3% |
| February 2026 | A$0.0160 | -5.9% |
| January 2026 | A$0.0170 | +30.8% |
| December 2025 | A$0.0130 | -27.8% |
| November 2025 | A$0.0180 | -5.3% |
| October 2025 | A$0.0190 | 0.0% |
About the BCK data
Daily bars. 3,956 sessions from Feb 7, 2011 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 25, 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 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 7, 2011, 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/BCK/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on ASX
Common questions
BCK share price history
