trading is backing and laying on the same selection within the same market to secure price advantage, greening up is ensuring a profit on the market by dint of backing/laying at advantageous prices compared to your oringinal transaction(s).
trading is backing and laying on the same selection within the same market to secure price advantage,greening up is ensuring a profit on the market by dint of backing/laying at advantageous prices compared to your oringinal transaction(s).