# Quantreex Documentation

## Crosses with indicators and values

Crosses with values is composed of one indicators crossing a value or a scalar. These logics could be used to detect overbought/oversold conditions, for example when a oscillator crosses above/below a threshold to indicate a trend reversal. This concept can be applied to many types of indicators such as momentum indicators and oscillators.

In this example an RSI crossover with a scalar is shown with its equivalent in the Strategy Designer:

Rule: RSI 14 cross above level 30 value.

Legend:

• RSI 14 Blue Line

Source: Dukascopy

The equivalent logic using the Strategy Designer can be defined as follows: