COY.AX Coppermoly (ASX) +28.57% to A$0.009 intraday 18 Mar 2026: low float risk

COY.AX stock jumped 28.57% intraday to A$0.009 on 18 Mar 2026, making Coppermoly Limited one of the ASX top gainers this session. The move comes on light trading with 26,680 shares changing hands versus an average of 291,916, a classic microcap jump driven by thin liquidity. Coppermoly Limited (COY.AX) has a market capitalisation of A$7,061,259 and shows limited earnings data, which heightens volatility. Traders should weigh the quick intraday gain against low volume and the company’s exploratory focus in copper-gold projects.