$SPX
3128.91√ = 55.9366606
- 3103.24√ = 55.70673208
= 0.22992852 /4
= 0.05748213 +/- from either day low / day high

ALSO can MULTIPLY by 2, 3, 4 &amp; then +/- from the squared day high &amp; day low

x1 = 3122.482586 - basically yesterday's close
x2 = 3116.0617
x3 = 3109.6475 https://t.co/eqaiY0p75t