This code snippet demonstrates how to implement an intrabar moving average crossover trading strategy using different timeframes in ProBuilder. The strategy checks for a crossover of two moving averages within a single bar by switching timeframes.

//declaration des moyennes mobiles et test de leurs croisements
timeframe(5 minutes)
croisement = average[7] crosses over average[20]

//test à l'intérieur de la bougie avec un timeframe plus petit
timeframe(default)
if croisement then
    buy at market //achat au marché dés test croisement dans la bougie
endif

Explanation of the Code:

• The code starts by setting the timeframe to 5 minutes using timeframe(5 minutes).
• It then declares a variable croisement that checks if a 7-period moving average crosses over a 20-period moving average within this 5-minute timeframe.
• The code then reverts to the default timeframe (which should be set to a smaller interval than 5 minutes, such as 10 seconds) using timeframe(default).
• Within this default timeframe, it checks if the crossover (croisement) occurred. If true, it executes a market order to buy immediately using buy at market.

This strategy is useful for traders looking to capitalize on quick changes in market trends detected through moving average crossovers within a single bar, by analyzing these crossovers in a smaller timeframe than the one in which they are calculated.