The indicator calculates the important price levels, which are support and resistance levels. You can configure a single-pivot level on the chart, you can make a set of pivots on the same chart (just add on the same chart the indicator one by one, with different values of the period for each single indicator).
EURUSD H4 chart with dynamic pivot, period is 300:
GBPUSD H4 chart with dynamic pivot, period is 300:
EURUSD H1 chart with set of indicators, each G-Pivot indicator has its own period value (50, 100, 200, 300, 400, 500, 600, 700, 800, and 900). The strongest levels are pivots with a period of 300 and 900. The pivot gets “strength” when it starts to move horizontally.
Price - 29 USD.
More info HERE.