If you invested ¥1000 in Alpha Systems Inc. (4719.T) 10 years ago, it would be worth ¥2,309.44 as of June 22, 2026, based on a reinvested dividends scenario. Over the same period, a ¥1000 investment made 5 years ago would be worth ¥997.26, while ¥1000 invested 1 year ago would be worth ¥954.82. This corresponds to total returns of 130.94%, -0.27%, -4.52%, respectively, with annualized returns of 8.73%, -0.05%, -4.52%.
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 |
|---|---|---|---|---|---|---|
| June 19, 2026 | 3,425 | 3,275 | 3,275 | 3,425 | 3,270 | 30,200 |
| June 18, 2026 | 3,230 | 3,310 | 3,310 | 3,330 | 3,230 | 8,900 |
| June 17, 2026 | 3,175 | 3,205 | 3,205 | 3,240 | 3,165 | 7,300 |
| June 16, 2026 | 3,150 | 3,190 | 3,190 | 3,190 | 3,130 | 6,100 |
| June 15, 2026 | 3,175 | 3,150 | 3,150 | 3,190 | 3,150 | 9,100 |
| June 12, 2026 | 3,175 | 3,125 | 3,125 | 3,175 | 3,055 | 28,400 |
| June 11, 2026 | 3,165 | 3,175 | 3,175 | 3,185 | 3,125 | 8,200 |
| June 10, 2026 | 3,175 | 3,160 | 3,160 | 3,225 | 3,160 | 9,600 |
| June 09, 2026 | 3,170 | 3,175 | 3,175 | 3,215 | 3,160 | 7,100 |
| June 08, 2026 | 3,260 | 3,165 | 3,165 | 3,260 | 3,165 | 10,500 |
| June 05, 2026 | 3,220 | 3,260 | 3,260 | 3,300 | 3,220 | 6,500 |
| June 04, 2026 | 3,155 | 3,195 | 3,195 | 3,210 | 3,150 | 3,800 |
| June 03, 2026 | 3,155 | 3,185 | 3,185 | 3,220 | 3,110 | 12,700 |
| June 02, 2026 | 3,200 | 3,155 | 3,155 | 3,200 | 3,130 | 11,000 |
| June 01, 2026 | 3,250 | 3,225 | 3,225 | 3,265 | 3,220 | 7,300 |
| May 29, 2026 | 3,235 | 3,250 | 3,250 | 3,290 | 3,235 | 3,900 |
| May 28, 2026 | 3,215 | 3,230 | 3,230 | 3,245 | 3,205 | 6,600 |
| May 27, 2026 | 3,220 | 3,250 | 3,250 | 3,250 | 3,215 | 6,700 |
| May 26, 2026 | 3,280 | 3,220 | 3,220 | 3,295 | 3,220 | 9,100 |
| May 25, 2026 | 3,305 | 3,255 | 3,255 | 3,305 | 3,215 | 7,700 |
| May 22, 2026 | 3,295 | 3,250 | 3,250 | 3,320 | 3,250 | 6,500 |
| May 21, 2026 | 3,305 | 3,280 | 3,280 | 3,305 | 3,275 | 3,000 |
| May 20, 2026 | 3,260 | 3,270 | 3,270 | 3,295 | 3,220 | 7,500 |
| May 19, 2026 | 3,280 | 3,305 | 3,305 | 3,325 | 3,280 | 5,000 |
| May 18, 2026 | 3,240 | 3,280 | 3,280 | 3,290 | 3,225 | 5,900 |
| May 15, 2026 | 3,255 | 3,235 | 3,235 | 3,305 | 3,235 | 11,900 |
| May 14, 2026 | 3,200 | 3,225 | 3,225 | 3,225 | 3,160 | 10,500 |
| May 13, 2026 | 3,225 | 3,215 | 3,215 | 3,240 | 3,210 | 9,300 |
| May 12, 2026 | 3,465 | 3,215 | 3,215 | 3,465 | 3,205 | 29,700 |
| May 11, 2026 | 3,330 | 3,395 | 3,395 | 3,400 | 3,330 | 13,100 |
| May 08, 2026 | 3,340 | 3,325 | 3,325 | 3,345 | 3,305 | 8,600 |
| May 07, 2026 | 3,320 | 3,330 | 3,330 | 3,370 | 3,320 | 5,400 |
| May 01, 2026 | 3,300 | 3,300 | 3,300 | 3,330 | 3,245 | 12,300 |
| April 30, 2026 | 3,365 | 3,310 | 3,310 | 3,370 | 3,300 | 15,900 |
| April 28, 2026 | 3,315 | 3,365 | 3,365 | 3,365 | 3,310 | 7,600 |
| April 27, 2026 | 3,350 | 3,315 | 3,315 | 3,350 | 3,300 | 5,600 |
| April 24, 2026 | 3,360 | 3,315 | 3,315 | 3,360 | 3,315 | 7,300 |
| April 23, 2026 | 3,410 | 3,380 | 3,380 | 3,410 | 3,320 | 11,900 |
| April 22, 2026 | 3,400 | 3,395 | 3,395 | 3,420 | 3,390 | 6,100 |
| April 21, 2026 | 3,450 | 3,410 | 3,410 | 3,455 | 3,410 | 4,100 |
| April 20, 2026 | 3,480 | 3,415 | 3,415 | 3,480 | 3,415 | 6,000 |
| April 17, 2026 | 3,475 | 3,445 | 3,445 | 3,495 | 3,440 | 5,700 |
| April 16, 2026 | 3,490 | 3,465 | 3,465 | 3,515 | 3,465 | 5,000 |
| April 15, 2026 | 3,485 | 3,465 | 3,465 | 3,515 | 3,420 | 10,900 |
| April 14, 2026 | 3,390 | 3,420 | 3,420 | 3,440 | 3,390 | 3,900 |
| April 13, 2026 | 3,400 | 3,410 | 3,410 | 3,410 | 3,355 | 16,700 |
| April 10, 2026 | 3,490 | 3,415 | 3,415 | 3,490 | 3,410 | 11,900 |
| April 09, 2026 | 3,525 | 3,475 | 3,475 | 3,525 | 3,470 | 10,100 |
| April 08, 2026 | 3,535 | 3,535 | 3,535 | 3,550 | 3,515 | 7,700 |
| April 07, 2026 | 3,500 | 3,500 | 3,500 | 3,540 | 3,470 | 5,800 |
| April 06, 2026 | 3,480 | 3,475 | 3,475 | 3,490 | 3,445 | 4,800 |
| April 03, 2026 | 3,445 | 3,490 | 3,490 | 3,490 | 3,445 | 4,700 |
| April 02, 2026 | 3,465 | 3,425 | 3,425 | 3,495 | 3,400 | 9,200 |
| April 01, 2026 | 3,495 | 3,455 | 3,455 | 3,495 | 3,380 | 12,900 |
| March 31, 2026 | 3,365 | 3,360 | 3,360 | 3,385 | 3,315 | 9,400 |
| March 30, 2026 | 3,285 | 3,320 | 3,320 | 3,335 | 3,235 | 19,000 |
| March 27, 2026 | 3,370 | 3,420 | 3,355 | 3,450 | 3,370 | 16,000 |
| March 26, 2026 | 3,430 | 3,405 | 3,340.29 | 3,450 | 3,375 | 9,200 |
| March 25, 2026 | 3,355 | 3,435 | 3,369.71 | 3,470 | 3,355 | 12,100 |
| March 24, 2026 | 3,335 | 3,355 | 3,291.24 | 3,385 | 3,305 | 19,700 |