A rollover in the Forex Market refers to the practice of maintaining a position from one trading day to the next, as it taken for the expression of "rolling over." This entails formally closing the position at the end of the trading day and subsequently re-entering it at the new opening rate. This process occurs automatically, During this time , certain currency pairs may experience price spikes and an increase in spread.
In the forex market, which operates 24 hours a day, five days a week, rollover takes place at the conclusion of the New York trading session, specifically at 5 pm ET. On Wednesdays, rollover rates are tripled to account for the two days when the market is not in operation. and for indices it tripled on Friday.