OBV := IF(CLOSE > REF(CLOSE, 1), OBV(1) + VOL, IF(CLOSE < REF(CLOSE, 1), OBV(1) - VOL, OBV(1)));

VOL_MA := MA(VOL, 5);

VOL_SPIKE := VOL > 2 * VOL_MA;

STICKLINE(VOL_SPIKE AND TIME<=0945 AND CLOSE > REF(CLOSE, 1), LOW, REF(LOW, 1), 3, 0), COLORRED;

STICKLINE(VOL_SPIKE AND TIME<=0945, LOW, HIGH, 1, 0), COLORRED;

DRAWTEXT(VOL_SPIKE AND TIME<=0945, LOW, 'SPIKE'), COLORYELLOW;