RTP % employ the term Return to Player (RTP) to explain how much of the wagered funds that a VLT (or slot machine) returns to players. You might expect to make around $90 when you place 100 $1 wagers on a machine that has a RTP of 90. Both RTP as well as house edge are usually calculated over the longer term. There is a possibility for almost everything to happen in the short-term (see Short Time