The history between May and August was deleted on Redfin. Either there is a way to pay Redfin to delete history or @lotsofpulp is right, or maybe a convenient bug?
Yeah that's a trick. They take it off the market and then relist which resets the clock. They do this so buyers won't assume there is something wrong with the property due to the price changes.
https://redf.in/sITdQm
https://www.zillow.com/homedetails/26-Pinewood-Ct-San-Mateo-...
This one has a listing from Jan 2022 that is missing in Redfin, but shown in Zillow:
https://redf.in/hX47mx
https://www.zillow.com/homedetails/4922-Leigh-Ave-San-Jose-C...
I cannot tell if this is intentional or not, but in all cases, Zillow has shown more data than Redfin.