I selected this time period because the market was distorted by COVID in 2020 and 2021.To my surprise, while SFR appreciated faster than condos, it was not much faster.Rent growthThe MLS does not provide rental data statistics.

Chart is from FINRA data on their Margin Statistics page. 

What are the statistics from Zillow (views, saved)?

We know this from statistics.

I most disagreed with the hostile environment being a big impact as we have near nation low delinquency and eviction and some of the best tenants statistically of any large city market.  

Those types of investors statistically can be more highly manipulated.

Up from last year's 26% but well below the 38% average seen since 1981. https://www.nar.realtor/research-and-statistics/research-reports/highlights-from-the-profile-of-home-buyers-and-sellers# 

Not really statistically significant to be honest.

Rent growth and vacancy rates were fairly easy to underwrite to, as there are several providers of forecasts for those statistics by economists.Now, things have changed. 

There are a lot of boomers out there.I know that people are moving out of some areas of the bay area and into areas like Sacramento and the surrounding areas for quality of living reasons.It would be interesting to see statistics but, I think that boomers would be pretty high on the group who has left or will be.