$SPX
3216.18√ = 56.71137452
- 3193.11√ = 56.5076101
= 0.20376442 /4
= 0.050941105 +/- 56.71137452
= 56.76231562 *2 | 56.66043342 *2
= 3221.96(0474 | 3210.40(4715)

0.050941105 x 2 = 0.10188221 +/- 57.71137452
= 3227.74614 * [$SPX spread + #ES_F day low]

3216.18 =&gt; 3261.81 (H5 https://t.co/gRus5YeMi2