4588 Oncolys BioPharma Inc.オンコリスバイオファーマTSE Growth / Pharmaceuticals
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Oncolys BioPharma Inc. stock surged on Oct 28: what happened
It closed at ¥7,900 on Oct 28 (+¥920, +13.18%), ranking #5 among the top gainers of all stocks on the Tokyo Stock Exchange.
No disclosures were found for this stock around that day. Share what you know in the posts below.
Changes are calculated from the closing prices this site collects daily; limit-up/down is an estimate based on the daily price limit. Please make your own investment decisions.
Oncolys BioPharma Inc. (4588) at a glance
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
Oncolys BioPharma Inc. (4588) Stock Price HistoryAt an all-time high
Oncolys BioPharma Inc. closed at ¥7,560 on Oct 30, 2026, +27.5% over 1 month, +990.9% over 1 year.
If you had invested ¥100,000 1 month ago, it would be worth ¥127,487 today (+27.5%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved −5.2%, while this stock moved +27.5%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 30 (Fri) | ¥7,560 | +160 | +2.16% |
| Oct 29 (Thu) | ¥7,400 | −500 | −6.33% |
| Oct 28 (Wed) | ¥7,900 | +920 | +13.18% |
| Oct 27 (Tue) | ¥6,980 | +680 | +10.79% |
| Oct 26 (Mon) | ¥6,300 | +370 | +6.24% |
| Oct 23 (Fri) | ¥5,930 | +330 | +5.89% |
| Oct 22 (Thu) | ¥5,600 | −90 | −1.58% |
| Oct 21 (Wed) | ¥5,690 | +500 | +9.63% |
| Oct 20 (Tue) | ¥5,190 | +30 | +0.58% |
| Oct 19 (Mon) | ¥5,160 | −20 | −0.39% |
If you had invested ¥100,000 3 months ago, it would be worth ¥306,943 today (+206.9%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +2.3%, while this stock moved +206.9%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 30 (Fri) | ¥7,560 | +160 | +2.16% |
| Oct 29 (Thu) | ¥7,400 | −500 | −6.33% |
| Oct 28 (Wed) | ¥7,900 | +920 | +13.18% |
| Oct 27 (Tue) | ¥6,980 | +680 | +10.79% |
| Oct 26 (Mon) | ¥6,300 | +370 | +6.24% |
| Oct 23 (Fri) | ¥5,930 | +330 | +5.89% |
| Oct 22 (Thu) | ¥5,600 | −90 | −1.58% |
| Oct 21 (Wed) | ¥5,690 | +500 | +9.63% |
| Oct 20 (Tue) | ¥5,190 | +30 | +0.58% |
| Oct 19 (Mon) | ¥5,160 | −20 | −0.39% |
If you had invested ¥100,000 6 months ago, it would be worth ¥268,085 today (+168.1%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +6.8%, while this stock moved +168.1%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | ¥7,560 | +27.5% |
| Sep 2026 | ¥5,930 | +27.5% |
| Aug 2026 | ¥4,650 | +74.5% |
| Jul 2026 | ¥2,665 | −9.9% |
| Jun 2026 | ¥2,957 | +6.9% |
| May 2026 | ¥2,765 | −2.0% |
| Apr 2026 | ¥2,820 | +30.7% |
If you had invested ¥100,000 1 year ago, it would be worth ¥1,090,909 today (+990.9%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +23.3%, while this stock moved +990.9%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | ¥7,560 | +27.5% |
| Sep 2026 | ¥5,930 | +27.5% |
| Aug 2026 | ¥4,650 | +74.5% |
| Jul 2026 | ¥2,665 | −9.9% |
| Jun 2026 | ¥2,957 | +6.9% |
| May 2026 | ¥2,765 | −2.0% |
| Apr 2026 | ¥2,820 | +30.7% |
| Mar 2026 | ¥2,157 | −21.0% |
| Feb 2026 | ¥2,730 | +57.0% |
| Jan 2026 | ¥1,739 | +25.7% |
| Dec 2025 | ¥1,384 | +17.9% |
| Nov 2025 | ¥1,174 | +57.0% |
| Oct 2025 | ¥748 | ― |
If you had invested ¥100,000 3 years ago, it would be worth ¥1,338,053 today (+1,238.1%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +98.1%, while this stock moved +1,238.1%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | ¥7,560 | +446.2% |
| 2025 | ¥1,384 | ― |
If you had invested ¥100,000 5 years ago, it would be worth ¥1,196,203 today (+1,096.2%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +113.7%, while this stock moved +1,096.2%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | ¥7,560 | +446.2% |
| 2025 | ¥1,384 | ― |
If you had invested ¥100,000 in Jan 2014, it would be worth ¥242,308 today (+142.3%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +326.8%, while this stock moved +142.3%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | ¥7,560 | +446.2% |
| 2025 | ¥1,384 | +167.2% |
| 2024 | ¥518 | −8.6% |
| 2023 | ¥567 | +7.6% |
| 2022 | ¥527 | −0.2% |
| 2021 | ¥528 | −64.9% |
| 2020 | ¥1,503 | −21.8% |
| 2019 | ¥1,923 | +86.0% |
| 2018 | ¥1,034 | +32.4% |
| 2017 | ¥781 | −27.6% |
| 2016 | ¥1,079 | +67.5% |
| 2015 | ¥644 | −17.2% |
| 2014 | ¥778 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Jan 2014). Please check the latest prices before trading.
Oncolys BioPharma Inc. (4588) financial indicators
PER, ROE and dividend yield are based on company forecasts, calculated from earnings reports and the closing price after each trading day.
Recent disclosures (TDnet, in Japanese)
- 10/30 15:30 腫瘍溶解ウイルス テロメライシン注の新たな適応を目指した臨床試験の投与開始に関するお知らせ
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