2785.62 √ = 52.77897308  day high so far) - 2726.79 √ = 52.21867482 day low so far) = 0.56029826 /4 = 0.140074565 + 52.21867482 = 52.35874938 *2 = 2741.438636  52.21867482 + .28014913 = 52.49882395 *2 2756.126516  .28014913 + .140074565 = .421565865 + 52.21867482 = 2770.99 $SPX