Ryan Telford, a private investor and known as @Rtelford_invest on Twitter/X, shares his quantitative microcap investing strategy called 'GUTS'. He discusses the advantages of investing in microcaps and the difference between quantitative and qualitative investing. Ryan explains the concept of exploiting market inefficiencies in microcap investing, particularly focusing on factors like sentiment and short interest. He also addresses the challenges of investing in China stocks and emphasizes the importance of attending investor conferences. Ryan concludes by recommending a quant platform called Portfolio 123 for those interested in quantitative strategies.