today I'm glad to present you an indicator which calculates Moon Phases and let's you backtest the simplest strategy over it: buy/sell on full moon and do the opposite on new moon.
This is a public free indicator based on the public one by paaax:
I added my usual backtesting logic, plus some more customization inputs for easy coloring. The lower the timeframe you backtest on, the more backtesting data are effective.