amCharts 5: Stock Chart comes bundled with a lot of technical indicators. Some of them use Oversold/Overbought range. These are: Starting from version 5.5.3 the Oversold and Overbought limits can be directly manipulated by dragging grip on the respective lines in the chart itself. Demo Related docs
The Stochastic Momentum Index (SMI) is a technical indicator used in financial analysis to measure the momentum of a security’s price movement. amCharts 5: Stock Chart fully supports this financial tool out-of-the-box.