SPX's RSI. since 2009 60 % success rate we are going up.

All crossing above the 50 line, regardless of anything else we will be in a up swing 60% of the time.
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up
up
up
up
side/then up
up
up
up
up
false
false
false
false
false
false
up
up
up
up
up
false
up
false
up
false
false
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conclusion: 15 up swings. 10 False
60% success rate.
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Summary: Weekly RSI 21 signals
since 2009

60 % success rate when crossing
above 50 reading's line regardless
of general direction.