When I find a new edge or approach I backtest it over the last ninety days of data.
Can you outline basic principles of convergence/divergence of MACD?
Well the way I see it, it's just about realizing where the market trend is going on multiple time frames, and then figuring out where the next trend is beginning on the time frame you are trading. The market moves in nonstop waves and I trade short term (daytrading) so I look for shorter term moves of course. When the trend is up and MACD is going up, you have a sustained move that will continue, which is called convergence. When the MACD is going down and the market is still going up, you have divergence. That's the gist of it, but of course you have to apply other information from price action to make the right decision every time.