Ahrens Moving Average is an indicator developed by Richard D. Ahrens.
The indicator was described in the article "Build A Better Moving Average" in the magazine "Technical Analysis of Stocks and Commodities" (October 2013).

It has one configurable parameter:

• Period - calculation period

AHRMA = PrevAHRMA + ((MedianPrice-MedianMA)/Period)  

MedianMA = (PrevAHRMA + AHRMA[Period]) / 2.0  MedianPrice = (High + Low) / 2.0