There are important differences in the nature of the declines. The current series looks like a bear market in the form of 1973-4 whereas 1929-32 was much more precipitous. This may be attributed to the extraordinary actions of the FED and Treasury. However, this may only soften the blow and not the outcome, most likely adjusted for inflation.
The Intraday Volatility matches up nicely so far as we have aligned them Peak to Peak without regard to pricing. It will be in the market action going forward where the model will be assessed here.
“Modern tyranny is terror management. When the terrorist attack comes, remember that authoritarians exploit such events in order to consolidate power. The sudden disaster that requires the end of checks and balances, the dissolution of opposition parties, the suspension of freedom of expression, the right to a fair trial, and so on, is the oldest trick in the Hitlerian book. Do not fall for it.”
Timothy Snyder, On Tyranny