Analyst / PM Divide & Trade Book

Based on the most helpful WSO content, here are insights into your questions:

1. "The Same Trade" in Single Asset Equities or Credit

• PMs often refer to two trades as "the same trade" when they are driven by similar underlying factors or catalysts. Examples include:
  • Sector-Based Concentration: Trades within the same sector that are influenced by identical structural triggers, such as regulatory changes or industry-wide trends.
  • Macro Catalyst: Trades that are seemingly different but are tied to the same macroeconomic event. For instance:
    • A long position in a cyclical stock and a short position in a defensive stock could both be bets on economic growth.
    • In credit, being long on a high-yield bond and short on a related CDS could reflect the same view on credit spreads tightening.
  • Capital Structure Trades: In credit, trades across different parts of the same company's capital structure (e.g., long convertible bonds and short equity) can be considered "the same trade" if they hinge on the same credit or volatility outlook.

2. Trade Sizing and Book Construction by Fundamental PMs

• Factor-Based Segregation: PMs often segment their books by factors such as sector, geography, or thematic exposure. This helps in understanding and managing risk concentrations.
• Correlation and Co-Variance Analysis:
  • PMs analyze correlations and co-variance both ex-ante (before the trade) and ex-post (after the trade) to ensure diversification and manage risk.
  • For example, in credit, they might assess how different bonds or CDS positions correlate with broader credit indices or macroeconomic indicators.
• Risk-Adjusted Sizing:
  • Trades are sized based on their risk-reward profile, volatility, and contribution to overall portfolio risk.
  • Fundamental PMs may use tools like Value at Risk (VaR) or stress testing to determine appropriate sizing.
• Conviction Levels:
  • Higher conviction trades (based on deep research or unique insights) are often allocated more capital, while lower conviction trades are sized smaller or used as hedges.

These approaches ensure that PMs maintain a balanced portfolio while maximizing alpha generation and managing downside risks.

Sources: https://www.wallstreetoasis.com/forum/trading/converts-trading?customgpt=1, Distressed debt / special sits investing - On the job, Alternative Lenders & the End of Risk Taking for Banks - Opportunity or Risk?, Day to Day of Investment Grade Credit Trading