カイオム・バイオサイエンス' share price has recently repeatedly plunged and rebounded. It fell from ¥86 to ¥74 between 2 November and 6 November, then rebounded to ¥78 on 9 November after trading volume surged on 6 November.
In recent trading, the share price fell from ¥86 to ¥74 between 2 November and 6 November, declining approximately 10.84% from the previous day on 6 November. The downward trend continued over the most recent 5 trading days, with volume on 6 November rising sharply from the previous day to approximately 2,046,400 shares.
The closing price on 9 November was ¥78, up ¥4, or 5.41%, from the previous day. However, this was a rebound after the sharp drop to ¥74 on 6 November, and over the most recent 5 trading days the share price has continued to move down from the ¥86 range.
Trading volume also showed an upward trend on 28 October, 30 October and 2 November. Although there was no continuous stream of news catalysts, trading has remained concentrated over short periods, resulting in substantial price volatility.
Financially, against the share price of ¥78 as of 9 November, the latest book value per share was ¥28.53, while the interim figure for the fiscal year ending June 2026 was ¥19.79. The company’s core businesses are drug discovery and drug discovery support, and its structure is one in which losses continue.