The buy-sell moving average strategy is a popular trading approach that uses different types of moving averages to identify buy and sell signals in financial markets. There are several types of moving averages that traders use in this strategy, including simple moving averages (SMA), exponential moving averages (EMA), weighted moving averages (WMA), and smoothed moving averages (SMMA).

A simple moving average is calculated by taking the average price of an asset over a specific number of periods, while an exponential moving average puts more weight on recent prices. A weighted moving average assigns more weight to the most recent prices and less weight to older prices, while a smoothed moving average uses a longer time frame and is less sensitive to price fluctuations.

Traders use different types of moving averages depending on their trading style and the market conditions. For example, short-term traders may prefer EMAs or WMAs, while long-term traders may use SMAs. Ultimately, the choice of moving average depends on the trader's preferences and their ability to interpret the signals generated by each type of moving average.