HOSE · KOS · stock
Kosy Joint Stock Company (KOS) stock price history
Every HOSE trading session of Kosy Joint Stock Company from Dec 8, 2017 to Nov 13, 2026: 2,221 daily bars, adjusted for splits and dividends, with minute bars from Sep 21, 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.
KOS adjusted close, 2017 to 2026
- ₫42,150
- All time high, 2025
- ₫39,800
- 52 week high, ₫3,250 low
- 2,221
- Daily sessions since 2017
Last updated Nov 13, 2026, the last stored session. Refreshes after each trading day. Full 2017 to 2026 series and minute bars.
KOS key facts
- Kosy Joint Stock Company (KOS) closed at ₫3,450 on Nov 13, 2026 on HOSE.
- KOS's all time high close is ₫42,150, set on Sep 26, 2025; its all time low close is ₫3,400 on Nov 10, 2026.
- KOS's 52 week range is ₫3,250 to ₫39,800.
- KOS returned -91.2% over the year to Nov 13, 2026 and -89.3% over five years.
- Since Dec 8, 2017 KOS returned -70%, -12.6% a year compounded.
- KOS's deepest drawdown was -91.9% from Sep 26, 2025 to Nov 10, 2026.
- DataCedar holds 2,221 daily sessions of KOS history from Dec 8, 2017 and minute bars from Sep 21, 2026, adjusted for splits and dividends, served by the API under a key.
KOS price chart, 2017 to 2026
KOS returns
Price return from the last close on or before the window start to Nov 13, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -61.5% |
| 3 months | -90.0% |
| 6 months | -91.1% |
| Year to date | -91.1% |
| 1 year | -91.2% |
| 3 years | -90.7% |
| 5 years | -89.3% |
| 10 years | n/a |
| Since Dec 8, 2017 | -70.1% |
| Compound annual growth, 8.9 years | -12.6% |
KOS records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- ₫42,150 on Sep 26, 2025
- All time low close
- ₫3,400 on Nov 10, 2026
- 52 week high
- ₫39,800 on Apr 1, 2026
- 52 week low
- ₫3,250 on Nov 10, 2026
- Deepest drawdown
- -91.9% from Sep 26, 2025 to Nov 10, 2026, not yet recovered
- Best single session
- +17.3% on Oct 19, 2018
- Worst single session
- -8.1% on Oct 25, 2018
- Volatility, 1 year annualised
- 42.3%
- Sessions closing higher, 1 year
- 40%
- Best calendar year
- 2021, +32%
- Worst calendar year
- 2018, -4%
KOS 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. 2017 starts on Dec 8, 2017; 2026 runs to Nov 13, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | ₫38,550 | ₫39,800 | ₫3,250 | ₫3,450 | -91.1% | 268M | 214 |
| 2025 | ₫38,450 | ₫42,150 | ₫36,500 | ₫38,550 | +0.3% | 95.3M | 249 |
| 2024 | ₫39,650 | ₫40,600 | ₫35,400 | ₫38,450 | -3.0% | 85.8M | 250 |
| 2023 | ₫38,100 | ₫39,900 | ₫35,700 | ₫39,650 | +4.3% | 89.1M | 249 |
| 2022 | ₫32,000 | ₫38,300 | ₫31,150 | ₫38,000 | +18.2% | 91.4M | 249 |
| 2021 | ₫24,850 | ₫35,800 | ₫23,000 | ₫32,150 | +32.3% | 81.4M | 248 |
| 2020 | ₫20,060 | ₫26,250 | ₫18,820 | ₫24,300 | +20.7% | 101.9M | 252 |
| 2019 | ₫17,720 | ₫21,700 | ₫14,440 | ₫20,130 | +13.6% | 25.8M | 245 |
| 2018 | ₫18,380 | ₫21,220 | ₫12,840 | ₫17,720 | -3.6% | 12.1M | 249 |
| 2017 | ₫11,520 | ₫19,110 | ₫11,520 | ₫18,380 | n/a | 465.3K | 16 |
KOS monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | ₫3,450 | -15.0% |
| October 2026 | ₫4,060 | -76.0% |
| September 2026 | ₫16,950 | -50.3% |
| August 2026 | ₫34,100 | -3.9% |
| July 2026 | ₫35,500 | -4.2% |
| June 2026 | ₫37,050 | -2.5% |
| May 2026 | ₫38,000 | -0.3% |
| April 2026 | ₫38,100 | -2.4% |
| March 2026 | ₫39,050 | +7.6% |
| February 2026 | ₫36,300 | -7.3% |
| January 2026 | ₫39,150 | +1.6% |
| December 2025 | ₫38,550 | -1.2% |
About the KOS data
Daily bars. 2,221 sessions from Dec 8, 2017 to Nov 13, 2026, one row per HOSE 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 21, 2026 forward, most recent session Oct 23, 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 HOSE trading days; minute timestamps are UTC. Prices are in VND. 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 Dec 8, 2017, 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/hose%3AKOS/bars?timeframe=1Day&adjustment=all&limit=50000" \
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Common questions
KOS share price history
