Limit to one trade

[onlinebusiness]

Hi guys
How do I make my strategy limited to one trade every day, either Long trade or short trade.
it should only make one trade a day, if that trade was closed, the strategy doen't open new trades even if the other conditions are true.

[NinjaTrader_Emily]

Hello onlinebusiness,

Thank you for your post.

One way to achieve this is to set a bool, something like tradeTaken for example, that defaults to false. Once the trade happens, set the bool to true. Your entry condition can check so that it only happens for your entry criteria as well as if the bool is false such as the following:

if (tradeTaken == false && // other entry criteria)
// submit entry order

You could reset the bool at the beginning of the day with something like the following:

if (Bars.IsFirstBarOfSession)
tradeTaken = false;

If you prefer to have your strategy completely halted after one trade is taken, I recommend following the ideas in the following reference sample that checks for a certain PnL, then it will cancel active orders and close active positions, then halt the strategy:

https://ninjatrader.com/support/helpGuides/nt8/halting_a_strategy_once_user_d.htm

Please let us know if we may be of further assistance.