This simple indicator provides great results.
It is the popular RSI indicator with VWAP as a source instead of close.
What is the Volume Weighted Average Price (VWAP)?
VWAP is calculated by adding up the dollars traded for every transaction (price multiplied by the number of shares traded) and then dividing by the total shares traded. That is, volume.
On the Backtest, trades are laddered to improve the average entrance price.