Since yesterday’s analysis, about 20 new polls have come out. The results have not changed much. This is my final analysis of the for the Senate races.
After 100,000 simulated elections, Democrats have a Senate majority 99804 times, there were 196 ties, and Republicans control the Senate 0 times. This analysis suggests that Democrats will almost certainly control the Senate in 2021.
Here is the distribution of Senate seats from the simulations:*
This graphs shows the probability of at least each number of seats controlled by the Democrats:*