The podcast episodes discuss the concept of factor investing and its relation to the performance of robo-advisors and other investment strategies.

In Episode 309, the hosts examine whether robo-advisors truly offer passive investing, and they discuss the decision by Wealthfront to remove the value factor from their portfolios, providing insight into the investment strategies employed by some robo-advisors.

In Episode 291, the hosts have an in-depth discussion on quantitative investing and the 'Quant Winter', which refers to the underperformance of factors like value and momentum.