This screener lists stocks that currently match AC(5,34,5) Trending Down Last 3 Days, one of the Accelerator Oscillator screens. The Accelerator Oscillator (AO) is a technical indicator developed by Bill Williams to measure the acceleration or deceleration of an asset's momentum. The list is updated daily: open a chart for any ticker, or customize the screen, set an alert and backtest it as a trading strategy.