The purpose of this screener is to detect ultra high volume in a stock trading that may indicate a reversal of a trend to uptrend from sideways or downtrend. The volumes are compared with historical volumes extended to the previous 1 year

"Also, stocks listed on the screener may have increased volatility and activity that may exhibit big movements (either upward or downward) over a short time span. Traders need to be cautious. Stocks listed in this screener may be used in conjunction with other technical/fundamental indicators

"This screener also intends to eliminate false technical breakout. Due to the sheer magnitude of the volume, for most of the times the breakout is real.