Quantifiable Edges
9 months
Looking back to 1928, $SPX has closed up 7 days in a row after a 100-day low only 6 other times (until Tues): 7/8/1937, 12/8/1943, 12/3/1971, 5/5/1977, 11/11/1977, 3/20/2003. Only 2003 instance closed up on day 8. All 6 were down 4 days later but up 9 days later. Small sample