Indicator was designed by scientist, inventor, author, and trader Tushar Chande in order to help identify market trends with the use of candlestick charts.
In case the Qstick indicator shows a reading below zero, this is indicative that the majority of candlesticks during the examined period are bearish, thus, the bias for the trading instrument is bearish.
In case the Qstick indicator shows a reading above zero, this is indicative that the majority of candlesticks during the examined period are bullish, thus, the bias for the trading instrument is bullish.
There are several ways, in which the Qstick can generate trading signals:

Ulcer Index
This Ulcer Index indicator was derived from the stock risk indicator by Peter Martin in the 1987 book "The Investors Guide to Fidelity Funds".
Vertical Horizontal Filter
The Vertical Horizontal Filter ("VHF") determines whether prices are in a trending phase or a congestion phase. The VHF was first presented by Adam White in an article published in the August, 1991 issue of Futures Magazine.
RAVI iFish
Range Action Verification Index (RAVI) with inverse Fisher transform.
Lot calculator - risk management tool
This tool allows you to calculate the correct lot size of the next trade by following some simple money management rules.