If you invested ¥1000 in istyle Inc. (3660.T) 10 years ago, it would be worth ¥570.19 as of October 02, 2026, based on a reinvested dividends scenario. Over the same period, a ¥1000 investment made 5 years ago would be worth ¥1,054.48, while ¥1000 invested 1 year ago would be worth ¥1,045.65. This corresponds to total returns of -42.98%, 5.45%, 4.57%, respectively, with annualized returns of -5.46%, 1.07%, 4.57%.
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 01, 2026 | 475 | 496 | 496 | 502 | 474 | 1.27M |
| September 30, 2026 | 477 | 475 | 475 | 479 | 472 | 620,200 |
| September 29, 2026 | 484 | 473 | 473 | 484 | 471 | 680,200 |
| September 28, 2026 | 476 | 480 | 480 | 485 | 475 | 771,400 |
| September 25, 2026 | 499 | 482 | 482 | 499 | 478 | 1.02M |
| September 24, 2026 | 508 | 500 | 500 | 508 | 484 | 1.22M |
| September 18, 2026 | 505 | 510 | 510 | 513 | 504 | 873,500 |
| September 17, 2026 | 494 | 504 | 504 | 507 | 490 | 918,500 |
| September 16, 2026 | 482 | 486 | 486 | 488 | 481 | 550,600 |
| September 15, 2026 | 487 | 489 | 489 | 491 | 483 | 478,200 |
| September 11, 2026 | 478 | 471 | 471 | 482 | 470 | 970,400 |
| September 10, 2026 | 481 | 484 | 484 | 492 | 478 | 1.19M |
| September 09, 2026 | 503 | 486 | 486 | 503 | 483 | 1.61M |
| September 08, 2026 | 518 | 508 | 508 | 522 | 508 | 902,700 |
| September 07, 2026 | 532 | 519 | 519 | 538 | 518 | 761,400 |
| September 04, 2026 | 506 | 534 | 534 | 537 | 504 | 1.26M |
| September 03, 2026 | 522 | 508 | 508 | 522 | 506 | 1.3M |
| September 02, 2026 | 526 | 522 | 522 | 527 | 518 | 880,800 |
| September 01, 2026 | 534 | 533 | 533 | 545 | 533 | 1.1M |
| August 31, 2026 | 547 | 540 | 540 | 551 | 534 | 1.21M |
| August 28, 2026 | 528 | 547 | 547 | 553 | 528 | 2.18M |
| August 27, 2026 | 526 | 531 | 531 | 543 | 522 | 1.66M |
| August 26, 2026 | 525 | 525 | 525 | 537 | 524 | 841,200 |
| August 25, 2026 | 521 | 521 | 521 | 525 | 511 | 1.53M |
| August 24, 2026 | 537 | 520 | 520 | 547 | 520 | 1.77M |
| August 21, 2026 | 540 | 533 | 533 | 554 | 530 | 1.64M |
| August 20, 2026 | 520 | 537 | 537 | 543 | 515 | 3.03M |
| August 19, 2026 | 530 | 514 | 514 | 531 | 511 | 2.33M |
| August 18, 2026 | 553 | 525 | 525 | 556 | 524 | 5.38M |
| August 17, 2026 | 527 | 560 | 560 | 569 | 527 | 7.76M |
| August 14, 2026 | 515 | 517 | 517 | 517 | 511 | 2.82M |
| August 13, 2026 | 439 | 437 | 437 | 444 | 434 | 1.16M |
| August 12, 2026 | 440 | 445 | 445 | 448 | 436 | 1.14M |
| August 10, 2026 | 436 | 441 | 441 | 443 | 431 | 759,900 |
| August 07, 2026 | 440 | 438 | 438 | 440 | 433 | 494,700 |
| August 06, 2026 | 430 | 435 | 435 | 437 | 426 | 679,100 |
| August 05, 2026 | 433 | 426 | 426 | 434 | 422 | 667,500 |
| August 04, 2026 | 436 | 432 | 432 | 439 | 432 | 375,500 |
| August 03, 2026 | 440 | 435 | 435 | 440 | 430 | 374,000 |
| July 31, 2026 | 429 | 442 | 442 | 445 | 428 | 615,200 |
| July 30, 2026 | 436 | 435 | 435 | 438 | 429 | 720,800 |
| July 29, 2026 | 439 | 440 | 440 | 444 | 433 | 924,900 |
| July 28, 2026 | 440 | 435 | 435 | 450 | 433 | 951,700 |
| July 27, 2026 | 418 | 437 | 437 | 440 | 418 | 1.24M |
| July 24, 2026 | 408 | 412 | 412 | 414 | 406 | 470,400 |
| July 23, 2026 | 411 | 412 | 412 | 416 | 410 | 526,300 |
| July 22, 2026 | 400 | 412 | 412 | 416 | 396 | 627,500 |
| July 21, 2026 | 410 | 405 | 405 | 414 | 403 | 640,000 |
| July 17, 2026 | 415 | 408 | 408 | 419 | 404 | 844,000 |
| July 16, 2026 | 416 | 420 | 420 | 424 | 415 | 948,100 |
| July 15, 2026 | 410 | 415 | 415 | 416 | 408 | 512,100 |
| July 14, 2026 | 410 | 413 | 413 | 418 | 407 | 737,800 |
| July 13, 2026 | 398 | 406 | 406 | 411 | 397 | 648,100 |
| July 10, 2026 | 396 | 403 | 403 | 406 | 394 | 760,200 |
| July 09, 2026 | 396 | 394 | 394 | 397 | 391 | 366,900 |
| July 08, 2026 | 396 | 398 | 398 | 400 | 390 | 619,800 |
| July 07, 2026 | 392 | 400 | 400 | 400 | 392 | 543,000 |
| July 06, 2026 | 388 | 395 | 395 | 399 | 385 | 749,100 |
| July 03, 2026 | 395 | 390 | 390 | 400 | 389 | 850,400 |
| July 02, 2026 | 377 | 390 | 390 | 393 | 376 | 1.14M |