This month contains month to date (first 10 trading days and last 10 [11-20] trading days) performance graphs for both SPY and IWM:
SPY (1994+)
IWM (2002+)
Compared to November and December, there is a much wider range between the good months and bad months, and there doesn’t seem to be a particular trend. I did take a look of how January performed depending on December’s price action, and didn’t see any correlation – a little over 50% of the time January went in the same direction as December, although 60% of the time January SPYwas positive (relative to December’s close).
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