SET · QDC · stock
Quantum D C Public Company Limited (QDC) stock price history
Every SET trading session of Quantum D C Public Company Limited from Sep 18, 2012 to Sep 28, 2026: 3,419 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.
QDC adjusted close, 2012 to 2026
- THB 123.13
- All time high, 2012
- THB 1.71
- 52 week high, THB 0.0500 low
- 3,419
- Daily sessions since 2012
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2012 to 2026 series and minute bars.
QDC key facts
- Quantum D C Public Company Limited (QDC) closed at THB 0.0800 on Sep 28, 2026 on SET.
- QDC's all time high close is THB 123.13, set on Nov 8, 2012; its all time low close is THB 0.0500 on Aug 27, 2026.
- QDC's 52 week range is THB 0.0500 to THB 1.71.
- QDC returned -49.1% over the year to Sep 28, 2026 and -99.3% over five years.
- Over ten years QDC returned -100%, -48.7% a year compounded.
- QDC's deepest drawdown was -100.0% from Nov 8, 2012 to Aug 27, 2026.
- DataCedar holds 3,419 daily sessions of QDC history from Sep 18, 2012 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
QDC price chart, 2012 to 2026
QDC returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +33.3% |
| 3 months | 0.0% |
| 6 months | -42.9% |
| Year to date | -63.6% |
| 1 year | -49.1% |
| 3 years | -94.6% |
| 5 years | -99.3% |
| 10 years | -99.9% |
| Since Sep 18, 2012 | -99.9% |
| Compound annual growth, 14.0 years | -39.0% |
QDC records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- THB 123.13 on Nov 8, 2012
- All time low close
- THB 0.0500 on Aug 27, 2026
- 52 week high
- THB 1.71 on Dec 4, 2025
- 52 week low
- THB 0.0500 on Aug 14, 2026
- Deepest drawdown
- -100.0% from Nov 8, 2012 to Aug 27, 2026, not yet recovered
- Best single session
- +100.0% on Sep 4, 2024
- Worst single session
- -50.0% on Sep 3, 2024
- Volatility, 1 year annualised
- 220.4%
- Sessions closing higher, 1 year
- 25%
- Best calendar year
- 2016, +25%
- Worst calendar year
- 2025, -75%
QDC 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. 2012 starts on Sep 18, 2012; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | THB 0.2100 | THB 0.2200 | THB 0.0500 | THB 0.0800 | -63.6% | 447.3M | 186 |
| 2025 | THB 0.8847 | THB 1.71 | THB 0.0786 | THB 0.2200 | -75.1% | 404.5M | 242 |
| 2024 | THB 1.18 | THB 1.47 | THB 0.2949 | THB 0.8847 | -25.0% | 39M | 243 |
| 2023 | THB 3.13 | THB 3.61 | THB 0.5898 | THB 1.18 | -62.3% | 156.2M | 243 |
| 2022 | THB 8.43 | THB 11.80 | THB 2.65 | THB 3.13 | -62.9% | 164.7M | 241 |
| 2021 | THB 6.98 | THB 22.16 | THB 6.50 | THB 8.43 | +20.7% | 55.8M | 241 |
| 2020 | THB 6.02 | THB 10.12 | THB 2.41 | THB 6.98 | +20.8% | 2M | 243 |
| 2019 | THB 12.76 | THB 27.70 | THB 5.06 | THB 5.78 | -54.7% | 6.9M | 244 |
| 2018 | THB 34.06 | THB 55.40 | THB 12.04 | THB 12.76 | -62.8% | 40.5M | 245 |
| 2017 | THB 61.61 | THB 64.29 | THB 33.83 | THB 34.28 | -43.1% | 12.4M | 242 |
| 2016 | THB 48.22 | THB 76.34 | THB 41.97 | THB 60.27 | +25.0% | 36.6M | 244 |
| 2015 | THB 68.31 | THB 82.14 | THB 45.09 | THB 48.22 | -29.4% | 4.7M | 244 |
| 2014 | THB 79.76 | THB 87.06 | THB 58.48 | THB 68.31 | -16.7% | 16.6M | 245 |
| 2013 | THB 86.74 | THB 92.40 | THB 51.87 | THB 81.98 | -5.5% | 25M | 245 |
| 2012 | THB 84.22 | THB 125.31 | THB 79.90 | THB 86.74 | n/a | 62.5M | 71 |
QDC monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | THB 0.0800 | +33.3% |
| August 2026 | THB 0.0600 | -14.3% |
| July 2026 | THB 0.0700 | -12.5% |
| June 2026 | THB 0.0800 | -38.5% |
| May 2026 | THB 0.1300 | +8.3% |
| April 2026 | THB 0.1200 | -20.0% |
| March 2026 | THB 0.1500 | +87.5% |
| February 2026 | THB 0.0800 | -27.3% |
| January 2026 | THB 0.1100 | -50.0% |
| December 2025 | THB 0.2200 | -62.7% |
| November 2025 | THB 0.5900 | +50.0% |
| October 2025 | THB 0.3932 | +150.0% |
About the QDC data
Daily bars. 3,419 sessions from Sep 18, 2012 to Sep 28, 2026, one row per SET 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 SET trading days; minute timestamps are UTC. Prices are in THB. 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 Sep 18, 2012, 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/QDC/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on SET
- PYLON Pylon Public Company Limited
- PYLON-R Pylon Public Company Limited
- Q-CON Quality Construction Products Public Company Limited
- Q-CON-R Quality Construction Products Public Company Limited
- QDC-R Quantum D C Public Company Limited
- QH Quality Houses Public Company Limited
- QH-R Quality Houses Public Company Limited
- QHBREIT Quality Houses Business Complex Leasehold Real Estate Investment Trust
Common questions
QDC share price history
