Pre-market Mar 2026: 4564.T OncoTherapy Science JPX JPY 23.00 +4.55%: heavy flow

Pre-market trading shows 4564.T stock at JPY 23.00, up 4.55% on heavy volume on Mar 2026. We see unusually high activity with 66,792,100 shares traded versus an average of 40,752,247, flagging retail and institutional interest. The move follows no single press release, suggesting trade flow tied to trial milestones and technical momentum. We focus on liquidity, valuation, and catalysts to explain why OncoTherapy Science, Inc. (4564.T) is among Japan’s most active pre-market names.