$SPY closed up 0.06 percent on Friday, October 9, 2015, on 66 percent of normal volume. The stock exhibited some range contraction during this trading session as price made an NR7 -- narrowest range of the last seven sessions. Note that the stock is in overbought territory based on its Slow Stochastic indicator (14, 3, 3) -- sideways movement or a pullback should not be unexpected.