This monologue podcast, hosted by Andrew Sheets, head of corporate credit research at Morgan Stanley, focuses on assessing current market optimism. Sheets challenges the notion of peak optimism by contrasting high investor optimism with relatively low corporate optimism, citing low merger and acquisition activity and reduced issuance of low-rated corporate debt as key indicators. He argues that while investor confidence is high, corporate confidence remains subdued, suggesting further room for growth before reaching potentially negative consequences. The podcast concludes that it's currently premature to anticipate negative market shifts based on elevated investor optimism alone. The use of merger and acquisition activity and low-rated debt issuance as indicators of corporate confidence is a key takeaway.