S & P 500 80 Year Chart Trend Line! Log Scale

Take a look at this chart closely.
The S & P 500 usually moves max 400 - 423% in cycles.
1920's ---- 400%
1990's----- 423%
Now ------ 400%
Then recessions always hit to start the clock all over again.
Before big corrections happen.
Right now we just did that 400% in the recent high!
Will history repeat itself