S&P500 2007-2009 vs 2018-2020

So while the technicals (as one unexpected Trump tweet could bring chaos back in a hurry) suggest there appears to be nothing but smooth sailing ahead for the next 20 or so point in the S&P, storm clouds may be gathering, and as Nomura once again cautions, it is worth noting from a «tactical sequencing» perspective the bank's Sep 2018-Jan 19 S&P “comp” to the Oct 2007-Oct 08 analog (highest correlation btwn current environment and prior “trigger dates” of -17.5% SPX selloff in 67 days or less)…