Trading Edge #45
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):
- The month is December; and
- The calendar day is more than; and
- The close is at least 1% lower than yesterday’s close.
Results
Trading performance if exit after N-days (SPX since 1960):

If we hold for 5 days we get the following equity curve:

