bool risingFiveDays = (Prices[1] > Prices[2]) && 
				    (Prices[2] > Prices[3]) && 
				    (Prices[3] > Prices[4]) && 
				    (Prices[4] > Prices[5]) &&
				    (Prices[5] > Prices[6]);

int dayLookBackStart = 1;
int lookBackPeriod = 5;
int i;

bool risingXDays = true;

for(i=dayLookBackStart ; i<lookBackPeriod-1; i++){
 if(Prices[i]<Prices[i+1]){
  risingXDays = false;
  break;
 }
}