1-Year Forecast *
▼ 1.778
5-Year Forecast *
▼ 0.0032
Historical index on Taiwan OTC Exchange :
B
"Should I invest in Grand Green Energy Co., stock?"
"Should I trade "6639" stock today?"
According to our live Forecast System,
Grand Green Energy Co., Ltd. stock is
a bad
long-term (1-year) investment*.
"6639" stock predictions are updated every 5 minutes with latest exchange prices by smart technical market analysis.
Q&A about "6639" projections.
See Our Other Forecasts
At Walletinvestor.com we predict future values with technical analysis for wide selection of stocks like
Grand Green Energy Co., Ltd. (6639).
If you are looking for stocks with good return, Grand Green Energy Co., Ltd.
can be a bad, high-risk 1-year investment option.
Grand Green Energy Co., Ltd. quote is equal to
8.630 at 2026-02-17, but your current investment may be devalued in the future.
Based on our forecasts, a long-term decrease is expected,
the "6639" stock price prognosis for 2031-02-17
is 0.0032. With a 5-year investment, the revenue is expected to be around
-99.96%.
Your current $100 investment may be down to $0.04 in 2031.
Grand Green Energy Co., Ltd. Forecast,
Short-Term 6639 Stock Price Prediction for Next Days and Weeks
Grand Green Energy Co., Ltd. Forecast,
Long-Term Price Predictions for Next Months and Year: 2026, 2027, 2028, 2029, 2030
6639 Target Price
Grand Green Energy Co., Ltd. price target in 14 days:
8.569* upside and
8.051* downside.
(Highest and lowest possible predicted price in a 14 day period)
Grand Green Energy Co., Ltd. forecast* for tomorrow, and next weeks based on the last 30 days
6639 forecast for the upcoming days
| Date | Price | Min Price | Max Price |
|---|
| 2025-09-27 |
8.569 |
8.398 |
8.740 |
| 2025-09-28 |
8.569 |
8.398 |
8.740 |
| 2025-09-29 |
8.404 |
8.235 |
8.572 |
| 2025-09-30 |
8.538 |
8.368 |
8.709 |
| 2025-10-01 |
8.538 |
8.368 |
8.709 |
| 2025-10-02 |
8.373 |
8.206 |
8.541 |
| 2025-10-03 |
8.276 |
8.111 |
8.442 |
| 2025-10-04 |
8.116 |
7.954 |
8.278 |
| 2025-10-05 |
8.246 |
8.081 |
8.411 |
| 2025-10-06 |
8.087 |
7.925 |
8.249 |
| 2025-10-07 |
8.051 |
7.890 |
8.212 |
| 2025-10-08 |
8.132 |
7.970 |
8.295 |
| 2025-10-09 |
8.142 |
7.979 |
8.304 |
14 Days Historical Data
| Date | Opening price | Closing price | Minimum price | Maximum price |
|---|
| 2025-09-08 |
9.390 |
9.150 |
8.900 |
9.400 |
| 2025-09-09 |
8.900 |
8.880 |
8.860 |
9.000 |
| 2025-09-10 |
8.860 |
9.250 |
8.730 |
9.260 |
| 2025-09-11 |
8.950 |
8.960 |
8.950 |
9.000 |
| 2025-09-12 |
8.960 |
8.960 |
8.960 |
8.960 |
| 2025-09-15 |
9.000 |
8.950 |
8.950 |
9.000 |
| 2025-09-16 |
8.850 |
9.150 |
8.850 |
9.150 |
| 2025-09-17 |
8.900 |
8.900 |
8.900 |
8.900 |
| 2025-09-18 |
9.200 |
9.250 |
9.200 |
9.250 |
| 2025-09-19 |
9.000 |
9.200 |
9.000 |
9.250 |
| 2025-09-22 |
8.810 |
8.850 |
8.810 |
8.850 |
| 2025-09-23 |
8.800 |
8.840 |
8.600 |
8.840 |
| 2025-09-24 |
8.550 |
8.610 |
8.500 |
8.680 |
| 2025-09-25 |
8.600 |
8.630 |
8.360 |
8.900 |
Stock Info
Company Name: Grand Green Energy Co., Ltd.
Exchange: Taiwan OTC Exchange
Industry: Industrial - Machinery
Sector: Industrials
Symbol: 6639
Type: stock
Website: https://www.ggec.com.tw
Pivot, Resistance and Support Levels
Resistance Level (R3): 9.440
Resistance Level (R2): 9.170
Resistance Level (R1): 8.900
Pivot Point: 8.630
Support Level (S1): 8.360
Support Level (S2): 8.090
Support Level (S3): 7.820
Stock Stats
Price (Previous Close): 8.630
Share Volume (Previous Close): 13,155
52 Week High: 8.738
52 Week Low: 1.778
Questions & Answers about Grand Green Energy Co., Ltd. Projection
What is the Grand Green Energy Co., Ltd. price today?
The 6639 stock price is 8.630 today.
Will Grand Green Energy Co., Ltd. price grow / rise / go up?
No. The 6639 price may drop from 8.630 to 1.778.
Will 6639 stock price crash?
According to our analysis, this can happen.
Will 6639 price hit "100" in a year?
Will 6639 price hit "200" in a year?
Will 6639 price hit "500" in a year?
Grand Green Energy Co., Ltd. (6639) Price Prediction, Forecast for next months and years
Below you will find the price predictions for 2026, 2027.
| Date |
Opening price |
Closing price |
Minimum price |
Maximum price |
Change |
| Grand Green Energy Co., Ltd. Forecast for 2026 |
| January 2026 | 5.736 | 4.972 | 4.799 | 5.851 | 13.33 % ▼ |
| February 2026 | 4.952 | 4.561 | 4.340 | 5.098 | 7.90 % ▼ |
| March 2026 | 4.437 | 3.868 | 3.782 | 4.526 | 12.83 % ▼ |
| April 2026 | 3.793 | 3.397 | 3.250 | 3.931 | 10.45 % ▼ |
| May 2026 | 3.305 | 3.064 | 2.916 | 3.425 | 7.28 % ▼ |
| June 2026 | 2.981 | 2.573 | 2.541 | 3.041 | 13.68 % ▼ |
| July 2026 | 2.599 | 2.282 | 2.184 | 2.651 | 12.18 % ▼ |
| August 2026 | 2.220 | 2.059 | 1.959 | 2.301 | 7.28 % ▼ |
| September 2026 | 2.003 | 1.729 | 1.707 | 2.043 | 13.68 % ▼ |
| October 2026 | 1.746 | 1.533 | 1.467 | 1.781 | 12.18 % ▼ |
| November 2026 | 1.492 | 1.354 | 1.316 | 1.546 | 9.21 % ▼ |
| December 2026 | 1.372 | 1.162 | 1.147 | 1.400 | 15.34 % ▼ |
| Grand Green Energy Co., Ltd. Forecast for 2027 |
| January 2027 | 1.173 | 1.030 | 0.9857 | 1.196 | 12.18 % ▼ |
| February 2027 | 1.002 | 0.9196 | 0.8852 | 1.039 | 8.24 % ▼ |
| March 2027 | 0.9022 | 0.7932 | 0.7705 | 0.9403 | 12.09 % ▼ |
| April 2027 | 0.8036 | 0.6904 | 0.6832 | 0.8196 | 14.08 % ▼ |
| May 2027 | 0.6890 | 0.6178 | 0.5947 | 0.7028 | 10.34 % ▼ |
| June 2027 | 0.6062 | 0.5231 | 0.5177 | 0.6317 | 13.69 % ▼ |
| July 2027 | 0.5313 | 0.4638 | 0.4590 | 0.5507 | 12.70 % ▼ |
| August 2027 | 0.4629 | 0.4151 | 0.3995 | 0.4722 | 10.34 % ▼ |
| September 2027 | 0.4072 | 0.3718 | 0.3613 | 0.4244 | 8.70 % ▼ |
> Page 2: detailed data / price table <
Term Box: Best Grand Green Energy Co., Ltd. forecast, 6639 stock price prediction, 6639 forecast, Grand Green Energy Co., Ltd. finance tips, 6639 prediction, Grand Green Energy Co., Ltd. analyst report, 6639 stock price predictions 2027, Grand Green Energy Co., Ltd. stock forecast, 6639 forecast tomorrow, Grand Green Energy Co., Ltd. technical analysis, 6639 stock future price, Grand Green Energy Co., Ltd. projections, Grand Green Energy Co., Ltd. market prognosis, 6639 expected stock price.
Question Box: How will Grand Green Energy Co., Ltd. stock price increase? Will 6639 price go up? Will Grand Green Energy Co., Ltd. stock price fall? Will 6639 price drop? Will 6639 stock price rise? Is Grand Green Energy Co., Ltd. price going up? Is Grand Green Energy Co., Ltd. a profitable investment? Is 6639 stock price going to drop? When will 6639 price fall? When will 6639 stock price go down? When will Grand Green Energy Co., Ltd. price drop?
* Our share forecasts and predictions are made by Machine Learning & Ai, and shouldn't been used for financial decisions. We can't guarantee any profit.