SET · QDC-R · stock
Quantum D C Public Company Limited (QDC-R) stock price history
Every SET trading session of Quantum D C Public Company Limited from May 29, 2019 to Sep 28, 2026: 1,785 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-R adjusted close, 2019 to 2026
- THB 8.06
- All time high, 2021
- THB 0.6572
- 52 week high, THB 0.5348 low
- 1,785
- Daily sessions since 2019
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2019 to 2026 series and minute bars.
QDC-R key facts
- Quantum D C Public Company Limited (QDC-R) closed at THB 0.6572 on Sep 28, 2026 on SET.
- QDC-R's all time high close is THB 8.06, set on Jun 9, 2021; its all time low close is THB 0.5348 on Nov 25, 2025.
- QDC-R's 52 week range is THB 0.5348 to THB 0.6572.
- QDC-R returned +22.9% over the year to Sep 28, 2026 and -85.4% over five years.
- Since May 29, 2019 QDC-R returned -91%, -27.6% a year compounded.
- QDC-R's deepest drawdown was -93.4% from Jun 9, 2021 to Nov 25, 2025.
- DataCedar holds 1,785 daily sessions of QDC-R history from May 29, 2019 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
QDC-R price chart, 2019 to 2026
QDC-R returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | 0.0% |
| 3 months | 0.0% |
| 6 months | 0.0% |
| Year to date | 0.0% |
| 1 year | +22.9% |
| 3 years | +22.9% |
| 5 years | -85.4% |
| 10 years | n/a |
| Since May 29, 2019 | -90.7% |
| Compound annual growth, 7.3 years | -27.6% |
QDC-R records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- THB 8.06 on Jun 9, 2021
- All time low close
- THB 0.5348 on Nov 25, 2025
- 52 week high
- THB 0.6572 on Dec 29, 2025
- 52 week low
- THB 0.5348 on Nov 25, 2025
- Deepest drawdown
- -93.4% from Jun 9, 2021 to Nov 25, 2025, not yet recovered
- Best single session
- +55.2% on Jun 9, 2021
- Worst single session
- -31.4% on Sep 5, 2019
- Volatility, 1 year annualised
- 20.6%
- Sessions closing higher, 1 year
- 0%
- Best calendar year
- 2025, +23%
- Worst calendar year
- 2022, -63%
QDC-R 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. 2019 starts on May 29, 2019; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | THB 0.6572 | THB 0.6572 | THB 0.6572 | THB 0.6572 | 0.0% | 0 | 186 |
| 2025 | THB 0.5348 | THB 0.6572 | THB 0.5348 | THB 0.6572 | +22.9% | 0 | 242 |
| 2024 | THB 0.5348 | THB 0.5348 | THB 0.5348 | THB 0.5348 | 0.0% | 0 | 243 |
| 2023 | THB 1.16 | THB 1.25 | THB 0.4457 | THB 0.5348 | -53.8% | 4.6M | 243 |
| 2022 | THB 3.12 | THB 4.28 | THB 0.9805 | THB 1.16 | -62.9% | 15.3M | 241 |
| 2021 | THB 2.59 | THB 8.20 | THB 2.59 | THB 3.12 | +20.3% | 7.7M | 241 |
| 2020 | THB 2.19 | THB 3.74 | THB 0.8914 | THB 2.59 | +18.4% | 767.5K | 243 |
| 2019 | THB 7.04 | THB 7.04 | THB 2.05 | THB 2.19 | n/a | 95.5K | 146 |
QDC-R monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | THB 0.6572 | 0.0% |
| August 2026 | THB 0.6572 | 0.0% |
| July 2026 | THB 0.6572 | 0.0% |
| June 2026 | THB 0.6572 | 0.0% |
| May 2026 | THB 0.6572 | 0.0% |
| April 2026 | THB 0.6572 | 0.0% |
| March 2026 | THB 0.6572 | 0.0% |
| February 2026 | THB 0.6572 | 0.0% |
| January 2026 | THB 0.6572 | 0.0% |
| December 2025 | THB 0.6572 | +22.9% |
| November 2025 | THB 0.5348 | -0.0% |
| October 2025 | THB 0.5348 | 0.0% |
About the QDC-R data
Daily bars. 1,785 sessions from May 29, 2019 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 28, 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 May 29, 2019, 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-R/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on SET
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Common questions
QDC-R share price history
