TWSE · 6887 · stock
BORETECH Resource Recovery Engineering CO., LTD. (6887) stock price history
Every TWSE trading session of BORETECH Resource Recovery Engineering CO., LTD. from Mar 13, 2025 to Nov 13, 2026: 406 daily bars, adjusted for splits and dividends, with minute bars from Sep 15, 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.
6887 adjusted close, 2025 to 2026
- NT$89.07
- All time high, 2025
- NT$61.01
- 52 week high, NT$24.00 low
- 406
- Daily sessions since 2025
Last updated Nov 13, 2026, the last stored session. Refreshes after each trading day. Full 2025 to 2026 series and minute bars.
6887 key facts
- BORETECH Resource Recovery Engineering CO., LTD. (6887) closed at NT$27.00 on Nov 13, 2026 on TWSE.
- 6887's all time high close is NT$89.07, set on Apr 21, 2025; its all time low close is NT$25.10 on Nov 10, 2026.
- 6887's 52 week range is NT$24.00 to NT$61.01.
- 6887 returned -55.6% over the year to Nov 13, 2026.
- Since Mar 13, 2025 6887 returned -66%, -47.5% a year compounded.
- 6887's deepest drawdown was -71.8% from Apr 21, 2025 to Nov 10, 2026.
- DataCedar holds 406 daily sessions of 6887 history from Mar 13, 2025 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.
6887 price chart, 2025 to 2026
6887 returns
Price return from the last close on or before the window start to Nov 13, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -22.9% |
| 3 months | -25.9% |
| 6 months | -23.9% |
| Year to date | -52.9% |
| 1 year | -55.6% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Mar 13, 2025 | -65.9% |
| Compound annual growth, 1.7 years | -47.5% |
6887 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- NT$89.07 on Apr 21, 2025
- All time low close
- NT$25.10 on Nov 10, 2026
- 52 week high
- NT$61.01 on Nov 19, 2025
- 52 week low
- NT$24.00 on Nov 11, 2026
- Deepest drawdown
- -71.8% from Apr 21, 2025 to Nov 10, 2026, not yet recovered
- Best single session
- +10.0% on Jul 15, 2026
- Worst single session
- -9.9% on Apr 7, 2025
- Volatility, 1 year annualised
- 43.4%
- Sessions closing higher, 1 year
- 37%
6887 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. 2025 starts on Mar 13, 2025; 2026 runs to Nov 13, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | NT$55.85 | NT$60.26 | NT$24.00 | NT$27.00 | -53.5% | 13.3M | 206 |
| 2025 | NT$80.68 | NT$90.94 | NT$55.38 | NT$58.10 | n/a | 14.1M | 200 |
6887 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | NT$27.00 | -19.8% |
| October 2026 | NT$33.65 | -11.7% |
| September 2026 | NT$38.10 | +4.2% |
| August 2026 | NT$36.55 | -0.1% |
| July 2026 | NT$36.60 | +9.2% |
| June 2026 | NT$33.51 | +3.5% |
| May 2026 | NT$32.38 | -9.1% |
| April 2026 | NT$35.62 | -13.2% |
| March 2026 | NT$41.02 | -7.4% |
| February 2026 | NT$44.30 | -22.1% |
| January 2026 | NT$56.88 | -2.1% |
| December 2025 | NT$58.10 | -1.0% |
About the 6887 data
Daily bars. 406 sessions from Mar 13, 2025 to Nov 13, 2026, one row per TWSE 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 15, 2026 forward, most recent session Nov 10, 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 TWSE trading days; minute timestamps are UTC. Prices are in TWD. 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 Mar 13, 2025, 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/twse%3A6887/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on TWSE
Common questions
6887 share price history
