ASX · SMN · stock
Structural Monitoring Systems Plc (SMN) stock price history
Every ASX trading session of Structural Monitoring Systems Plc from Aug 13, 2004 to Nov 12, 2026: 5,645 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.
SMN adjusted close, 2004 to 2026
- A$2.90
- All time high, 2016
- A$0.4500
- 52 week high, A$0.3000 low
- 5,645
- Daily sessions since 2004
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2004 to 2026 series and minute bars.
SMN key facts
- Structural Monitoring Systems Plc (SMN) closed at A$0.3300 on Nov 12, 2026 on ASX.
- SMN's all time high close is A$2.90, set on Oct 3, 2016; its all time low close is A$0.0199 on May 2, 2013.
- SMN's 52 week range is A$0.3000 to A$0.4500.
- SMN returned -20.5% over the year to Nov 12, 2026 and -52.0% over five years.
- Over ten years SMN returned -84%, -17.0% a year compounded.
- SMN's deepest drawdown was -99.2% from Aug 13, 2004 to May 2, 2013.
- DataCedar holds 5,645 daily sessions of SMN history from Aug 13, 2004 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
SMN price chart, 2004 to 2026
SMN returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -4.3% |
| 3 months | -9.6% |
| 6 months | -16.5% |
| Year to date | -5.7% |
| 1 year | -20.5% |
| 3 years | -47.6% |
| 5 years | -52.0% |
| 10 years | -84.5% |
| Since Aug 13, 2004 | -86.2% |
| Compound annual growth, 22.2 years | -8.5% |
SMN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- A$2.90 on Oct 3, 2016
- All time low close
- A$0.0199 on May 2, 2013
- 52 week high
- A$0.4500 on Feb 3, 2026
- 52 week low
- A$0.3000 on Oct 29, 2026
- Deepest drawdown
- -99.2% from Aug 13, 2004 to May 2, 2013, recovered Aug 18, 2016
- Best single session
- +125.5% on Mar 23, 2020
- Worst single session
- -60.0% on Sep 23, 2008
- Volatility, 1 year annualised
- 55.2%
- Sessions closing higher, 1 year
- 33%
- Best calendar year
- 2013, +375%
- Worst calendar year
- 2008, -94%
SMN 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 Aug 13, 2004; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | A$0.3500 | A$0.4500 | A$0.3000 | A$0.3300 | -5.7% | 21.1M | 235 |
| 2025 | A$0.4750 | A$0.5750 | A$0.2900 | A$0.3500 | -26.3% | 23.2M | 253 |
| 2024 | A$0.4750 | A$0.7850 | A$0.3300 | A$0.4750 | -4.0% | 17.4M | 253 |
| 2023 | A$0.3500 | A$0.9200 | A$0.3000 | A$0.4950 | +43.5% | 24.5M | 252 |
| 2022 | A$0.6431 | A$1.30 | A$0.3250 | A$0.3450 | -44.6% | 20.5M | 251 |
| 2021 | A$0.4238 | A$1.05 | A$0.3490 | A$0.6232 | +45.3% | 26.4M | 254 |
| 2020 | A$0.9772 | A$1.02 | A$0.2343 | A$0.4288 | -57.0% | 34.7M | 255 |
| 2019 | A$1.07 | A$1.16 | A$0.6481 | A$0.9971 | -7.4% | 17.8M | 253 |
| 2018 | A$1.28 | A$1.35 | A$0.8575 | A$1.08 | -15.3% | 26.9M | 253 |
| 2017 | A$1.85 | A$2.06 | A$0.9473 | A$1.27 | -28.0% | 50M | 252 |
| 2016 | A$1.73 | A$2.98 | A$1.05 | A$1.76 | +2.6% | 75.9M | 253 |
| 2015 | A$0.4288 | A$1.97 | A$0.3390 | A$1.72 | +283.3% | 42.3M | 255 |
| 2014 | A$0.1645 | A$0.6581 | A$0.1396 | A$0.4487 | +136.8% | 32.7M | 253 |
| 2013 | A$0.0399 | A$0.3390 | A$0.0199 | A$0.1895 | +375.0% | 10.5M | 253 |
| 2012 | A$0.0598 | A$0.0738 | A$0.0349 | A$0.0399 | -50.0% | 6M | 253 |
| 2011 | A$0.0860 | A$0.1816 | A$0.0499 | A$0.0798 | -7.2% | 22M | 248 |
| 2010 | A$0.2198 | A$0.3822 | A$0.0478 | A$0.0860 | -60.9% | 9.8M | 253 |
| 2009 | A$0.0860 | A$0.5160 | A$0.0287 | A$0.2198 | +155.6% | 6.1M | 254 |
| 2008 | A$1.34 | A$1.34 | A$0.0096 | A$0.0860 | -93.6% | 7.8M | 254 |
| 2007 | A$1.91 | A$2.48 | A$1.05 | A$1.34 | -33.3% | 6.1M | 253 |
| 2006 | A$1.15 | A$2.10 | A$0.7645 | A$2.01 | +75.0% | 5.7M | 252 |
| 2005 | A$1.82 | A$1.86 | A$0.7645 | A$1.15 | -35.1% | 5.2M | 252 |
| 2004 | A$2.40 | A$2.53 | A$1.48 | A$1.77 | n/a | 6.7M | 101 |
SMN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | A$0.3300 | +6.5% |
| October 2026 | A$0.3100 | -19.5% |
| September 2026 | A$0.3850 | -1.3% |
| August 2026 | A$0.3900 | -3.7% |
| July 2026 | A$0.4050 | +12.5% |
| June 2026 | A$0.3600 | -15.3% |
| May 2026 | A$0.4250 | +7.6% |
| April 2026 | A$0.3950 | +2.6% |
| March 2026 | A$0.3850 | -9.4% |
| February 2026 | A$0.4250 | +2.4% |
| January 2026 | A$0.4150 | +18.6% |
| December 2025 | A$0.3500 | -16.7% |
About the SMN data
Daily bars. 5,645 sessions from Aug 13, 2004 to Nov 12, 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 Nov 6, 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 13, 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/asx%3ASMN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on ASX
Common questions
SMN share price history
