Key Levels S&P500 14/05/18

As we can see the S&P500 have 2 critical key levels ,

The demand below seems like a great continuation level of buy

Position for swing trade, if the price will back to this demand i'll 

Buy there and my target will be the supply above, this supply is 

Also a great level of sell position for the long-term, my target for this sell

Position is 2550.00.