Day Trade Limit

day trade
(Day trading) Where investors, known as day traders, try to make money from buying and selling shares throughout the day and netting off the transactions by the end of the day.
Day trading refers to the practice of buying and selling financial instruments within the same trading day such that all positions are usually closed before the market close for the trading day. Traders that participate in day trading are called active traders or day traders.
(Day Trading) A forex trader who buys or sells depending on short term price movements during the course of the day.

limit
restrict: place limits on (extent or access); "restrict the use of this parking lot"; "limit the time you can spend with your friends"
the greatest possible degree of something; "what he did was beyond the bounds of acceptable behavior"; "to the limit of his ability"
restrict or confine, "I limit you to two visits to the pub a day"
Set or serve as a limit to