"Trade with the trend!" Here's my method on determining the ***weekly*** trend. The numbers returned correspond to the following detail: ++ A positive number is how many bars the instrument has been in an UP trend ++ A negative number is how many bars the instrument has been in a DOWN trend ++ A zero denotes that the instrument is currently NOT …

getTrend.mq4

int getWeeklyTrend( string sym ) {
	int per = PERIOD_W1,
	    b = iBars( sym, per ) - 3,
		isLong, pk0, pk1, pk2, tr0, tr1, tr2, i;
	for ( i = b; i > 0; i -= 1 ) {
		if ( isLong <= 0 ) {
			if ( tr1 > 0 && iHigh( sym, per, i ) > iHigh( sym, per, pk0 ) && iLow( sym, per, tr0 ) > iLow( sym, per, tr1 ) ) {
				isLong = i;
			} else if ( iHigh( sym, per, i ) > iHigh( sym, per, pk0 ) ) {
				isLong = 0;
			}
		}
		if ( isLong >= 0 ) {
			if ( pk1 > 0 && iLow( sym, per, i ) < iLow( sym, per, tr0 ) && iHigh( sym, per, pk0 ) < iHigh( sym, per, pk1 ) ) {
				isLong = -i;
			} else if ( iLow( sym, per, i ) < iLow( sym, per, tr0 ) ) {
				isLong = 0;
			}
		}
		if ( iHigh( sym, per, i+2 ) <= iHigh( sym, per, i+1 ) && iHigh( sym, per, i+1 ) > iHigh( sym, per, i ) ) {
			pk1 = pk0;
			pk0 = i+1;
		}
		if ( iLow( sym, per, i+2 ) >= iLow( sym, per, i+1 ) && iLow( sym, per, i+1 ) < iLow( sym, per, i ) ) {
			tr1 = tr0;
			tr0 = i+1;
		}
	}
	return( isLong );
}