ideaForge Technology IPO: Market participants said Fusion Micro Finance IPO's grey market premium (GMP) was last heard between Rs 540 and Rs 545. Considering the higher GMP of Rs 545, the grey market is expecting the drone maker to list around Rs 1,217 (Rs 672 + Rs 545), which is 81.10 per cent higher than the IPO's upper band price of Rs 672 per equity share.