But taking similar periods for the Dow only, adjusting for CPI inflation, and adding the long period from 1966 to 1982, we get this:
I'd suggest we should look at when the recent bubble really burst - end 1999, then desperately disguised by monetary inflation from 2002/03 onwards; if that's right, we have maybe another 6 years to go through.
The shapes of these two lines do sort of rhyme, don't they? And if so, looking at where the end of the red line is, maybe a bear market rally is now due, like the c. '75 - '76 mini-recovery.
End point in real terms this time, my guess, is the equivalent of 4,000 points today. However, there are features unique to the present situation, especially the size of debts, the loss of much of the West's manufacturing base, and the interconnectedness of modern world markets and economies.