$SPX taking a shot in the "dark"

#ES_F day low = 2843.88 + $SPX spread of yesterday @ 34.68
= 2878.56 today's close. /79

which on the "OPEN" sheet = 2886 area which today price seemed stuck on the 2868-69 area - if reversing 3rd &amp; 4th digit. lol 
OR closes around where opened