Four semaphore signal indicators based on stochastic oscillators with different periods on one price chart.

Trend signals occur when the oscillators enter the oversold and overbought areas specified in the input parameters:

input uint rsiUpperTrigger=62;    // Overbought level
input uint rsiLowerTrigger=38;    // Oversold level

Figure 1. Indicator X4Period_Stochastic_Arrows