An in-depth analytic look at the House elections in November by BTRTN, the election forecasters:
http://www.borntorunthenumbers.com/2020/08/btrtn-2020-snapshot-dems-likely-to-rock.html
"...the headline: at this juncture we see almost no chance that the Democrats will lose control of the House. Rather, if current race dynamics hold, they will likely pick up a significant number of seats and extend their majority.
The BTRTN track record in predicting House elections has been exceptionally strong. Here are the predictions and outcomes in the last five elections..."