Trading Edge #48

Instrument/asset

S&P 500 (SPY)

Trading rules

The trading rules of the edge read like this (please also backtest yourself – you might find a way to improve it):

  • Buy at the close on the last trading day of the month; and
  • Sell after N-days. 

Results

Trading performance from 1993 until today (sell after N-days):

Improved edge

The results are better if the last day of the month is a down day:

If we exit after 3 trading days we get the following equity curve:

 

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