If you invested ¥1000 in Alpha Systems Inc. (4719.T) 10 years ago, it would be worth ¥2,223.96 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a ¥1000 investment made 5 years ago would be worth ¥849.32, while ¥1000 invested 1 year ago would be worth ¥852.44. This corresponds to total returns of 122.4%, -15.07%, -14.76%, respectively, with annualized returns of 8.32%, -3.21%, -14.76%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| October 21, 2026 | 3,210 | 3,165 | 3,165 | 3,210 | 3,165 | 19,600 |
| October 20, 2026 | 3,230 | 3,200 | 3,200 | 3,230 | 3,165 | 16,800 |
| October 19, 2026 | 3,225 | 3,245 | 3,245 | 3,265 | 3,220 | 12,800 |
| October 16, 2026 | 3,165 | 3,265 | 3,265 | 3,265 | 3,165 | 17,900 |
| October 15, 2026 | 3,150 | 3,165 | 3,165 | 3,185 | 3,140 | 16,300 |
| October 14, 2026 | 3,165 | 3,185 | 3,185 | 3,230 | 3,155 | 16,800 |
| October 13, 2026 | 3,200 | 3,175 | 3,175 | 3,230 | 3,165 | 12,300 |
| October 09, 2026 | 3,170 | 3,180 | 3,180 | 3,215 | 3,150 | 24,800 |
| October 08, 2026 | 3,215 | 3,160 | 3,160 | 3,240 | 3,145 | 32,000 |
| October 07, 2026 | 3,240 | 3,230 | 3,230 | 3,265 | 3,230 | 7,500 |
| October 06, 2026 | 3,250 | 3,275 | 3,275 | 3,290 | 3,250 | 7,000 |
| October 05, 2026 | 3,260 | 3,280 | 3,280 | 3,285 | 3,245 | 10,600 |
| October 02, 2026 | 3,275 | 3,260 | 3,260 | 3,285 | 3,260 | 8,300 |
| October 01, 2026 | 3,260 | 3,295 | 3,295 | 3,315 | 3,255 | 13,200 |
| September 30, 2026 | 3,240 | 3,320 | 3,320 | 3,370 | 3,240 | 27,400 |
| September 29, 2026 | 3,265 | 3,240 | 3,240 | 3,280 | 3,240 | 16,800 |
| September 28, 2026 | 3,360 | 3,360 | 3,360 | 3,375 | 3,345 | 27,700 |
| September 25, 2026 | 3,315 | 3,350 | 3,350 | 3,370 | 3,305 | 22,200 |
| September 24, 2026 | 3,280 | 3,315 | 3,315 | 3,360 | 3,280 | 37,400 |
| September 18, 2026 | 3,300 | 3,275 | 3,275 | 3,300 | 3,260 | 11,000 |
| September 17, 2026 | 3,275 | 3,295 | 3,295 | 3,310 | 3,275 | 9,600 |
| September 16, 2026 | 3,280 | 3,280 | 3,280 | 3,300 | 3,270 | 8,600 |
| September 15, 2026 | 3,290 | 3,280 | 3,280 | 3,290 | 3,270 | 7,800 |
| September 11, 2026 | 3,255 | 3,220 | 3,220 | 3,255 | 3,220 | 21,400 |
| September 10, 2026 | 3,270 | 3,285 | 3,285 | 3,310 | 3,250 | 10,900 |
| September 09, 2026 | 3,310 | 3,265 | 3,265 | 3,320 | 3,265 | 14,100 |
| September 08, 2026 | 3,355 | 3,310 | 3,310 | 3,355 | 3,310 | 9,500 |
| September 07, 2026 | 3,435 | 3,355 | 3,355 | 3,435 | 3,355 | 13,300 |
| September 04, 2026 | 3,415 | 3,405 | 3,405 | 3,420 | 3,390 | 4,900 |
| September 03, 2026 | 3,400 | 3,415 | 3,415 | 3,430 | 3,380 | 9,800 |
| September 02, 2026 | 3,455 | 3,400 | 3,400 | 3,455 | 3,395 | 11,700 |
| September 01, 2026 | 3,445 | 3,470 | 3,470 | 3,495 | 3,435 | 16,800 |
| August 31, 2026 | 3,405 | 3,450 | 3,450 | 3,470 | 3,405 | 15,100 |
| August 28, 2026 | 3,370 | 3,405 | 3,405 | 3,415 | 3,370 | 10,600 |
| August 27, 2026 | 3,370 | 3,375 | 3,375 | 3,400 | 3,360 | 8,400 |
| August 26, 2026 | 3,365 | 3,380 | 3,380 | 3,390 | 3,360 | 7,300 |
| August 25, 2026 | 3,380 | 3,375 | 3,375 | 3,385 | 3,355 | 8,100 |
| August 24, 2026 | 3,430 | 3,375 | 3,375 | 3,465 | 3,375 | 8,700 |
| August 21, 2026 | 3,390 | 3,415 | 3,415 | 3,420 | 3,385 | 9,000 |
| August 20, 2026 | 3,370 | 3,410 | 3,410 | 3,450 | 3,360 | 10,900 |
| August 19, 2026 | 3,430 | 3,380 | 3,380 | 3,450 | 3,380 | 10,200 |
| August 18, 2026 | 3,435 | 3,480 | 3,480 | 3,510 | 3,435 | 11,000 |
| August 17, 2026 | 3,490 | 3,465 | 3,465 | 3,510 | 3,450 | 12,000 |
| August 14, 2026 | 3,460 | 3,490 | 3,490 | 3,505 | 3,440 | 14,800 |
| August 13, 2026 | 3,400 | 3,460 | 3,460 | 3,460 | 3,365 | 17,800 |
| August 12, 2026 | 3,360 | 3,390 | 3,390 | 3,390 | 3,350 | 15,500 |
| August 10, 2026 | 3,355 | 3,380 | 3,380 | 3,380 | 3,325 | 11,300 |
| August 07, 2026 | 3,285 | 3,330 | 3,330 | 3,370 | 3,285 | 12,300 |
| August 06, 2026 | 3,220 | 3,325 | 3,325 | 3,355 | 3,215 | 21,300 |
| August 05, 2026 | 3,320 | 3,205 | 3,205 | 3,320 | 3,205 | 16,700 |
| August 04, 2026 | 3,255 | 3,200 | 3,200 | 3,255 | 3,190 | 14,000 |
| August 03, 2026 | 3,290 | 3,255 | 3,255 | 3,305 | 3,205 | 16,900 |
| July 31, 2026 | 3,380 | 3,300 | 3,300 | 3,380 | 3,300 | 12,900 |
| July 30, 2026 | 3,430 | 3,380 | 3,380 | 3,430 | 3,340 | 14,600 |
| July 29, 2026 | 3,370 | 3,430 | 3,430 | 3,430 | 3,335 | 14,000 |
| July 28, 2026 | 3,375 | 3,370 | 3,370 | 3,420 | 3,365 | 4,900 |
| July 27, 2026 | 3,350 | 3,395 | 3,395 | 3,425 | 3,350 | 7,100 |
| July 24, 2026 | 3,320 | 3,320 | 3,320 | 3,340 | 3,310 | 6,400 |
| July 23, 2026 | 3,380 | 3,355 | 3,355 | 3,380 | 3,330 | 7,200 |
| July 22, 2026 | 3,355 | 3,370 | 3,370 | 3,375 | 3,320 | 10,400 |