RE: So hes almost as accurate as the former bond king Bill Gross?
You can see the performance of the fund that Gundlach manages here:
https://doublelinefunds.com/total-return-bond-fund/performance/
Yes; like Bill Gross, Grundlach was the “bond king” until he wasn’t. In the past five years the Barclay average of bond funds has outperformed Gundlach’s Total Return bond funds each year.