PAMM (Percentage allocation management module) is a form of pooled money forex trading. An investor gets to allocate his or her money to the qualified money manager(s) of his or her choice. 

These traders may manage multiple forex trading accounts using their own capital and such pooled money, with an aim to generate profits. 

PAMM solution allows the trader on one trading platform to manage the simultaneously unlimited quantity of managed accounts. Depending on the size of the deposit each managed account has its own ratio in PAMM. Trader’s activity results (trades, profit, and loss) are allocated between managed accounts according to the ratio.