Test with the M1 candle:

function run()
{
BarPeriod = 1;

printf("\n\nOpen = %.5f", priceOpen(0));
printf("\n\nClose = %.5f", priceClose(0));
printf("\n\nHigh = %.5f", priceHigh(0));
printf("\n\nLow = %.5f", priceLow(0));
}

Zorro:

Open = 1.30761
Close = 1.30774
High = 1.30794
Low = 1.30761

Trading Station:

Open = 1.30743
Close = 1.30755
High = 1.30774
Low = 1.30742