And here is the final credit derivatives video, the supplement to Part IV. It's on Credit Default Swap pricing, an approximate rule-of-thumb approach to determining a CDS price, given by CDS = (1-RR) x PD where RR is recovery rate and PD is probability of default.
The detailed description is in Appendix 7.1 of the book "Structured Credit Products, 2nd edition":
https://amzn.to/3LhYSVa