Inman real estate news reports Zillow CEO's own home listed below Zestimate, price reduced further through several reductions, and eventually sold for 40% less than the Zestimate. Even after posting the sold price on Zillow, the Zestimate was way too high.
If you are wondering what your home is worth right now in this market, have me come give you an experienced professional opinion.
_link to Inman article - might be subscription-only content. I'm not sure because I have the subscription.