Ch. 31Strategy #990

Strategy #990

Convertible Bond Arbitrage

Entry Logic

  • Exact Entry Trigger: A convertible bond is trading at a price that implies a volatility level (implied vol) significantly lower than the actual historical volatility of the underlying common stock.
  • Confirmation: The bond is trading at a discount to its theoretical value.
  • Timeframe: Real-time analysis with specialized software.
  • Location Context: Not applicable.
  • Market Condition: Any, but opportunities are more frequent in volatile markets.

Exit Logic

  • Profit Target(s): The bond's price converges with its theoretical value.
  • Scaling Out: Not applicable.
  • Trailing Stop: The position is delta-hedged, so there is no traditional stop loss.
  • Signal Failure: The implied volatility of the bond fails to rise, or the stock's volatility collapses.
  • Opposite Signal: Not applicable.
  • Time Expiration: Until the arbitrage opportunity disappears.
  • Momentum Loss: Not applicable.

Stop Loss Structure

  • Hard Stop: Risk is managed through a complex set of portfolio-level risk limits.
  • Soft Stop: Not applicable.
  • Maximum Dollar Loss: Managed by the fund's risk manager.
  • Maximum Percent Loss: Managed by the fund's risk manager.
  • Structural Stop: Not applicable.

Risk Management Framework

  • Risk Per Trade: This is a highly sophisticated, institutional-only strategy.
  • Maximum Daily Loss: Managed by the institution.
  • Maximum Weekly Loss: Managed by the institution.
  • Maximum Drawdown: Managed by the institution.
  • R:R Requirement: The theoretical edge must be positive after accounting for all costs and risks.

Position Sizing Model

  • Sizing Approach: The strategy involves buying the undervalued convertible bond and shorting a delta-adjusted amount of the underlying common stock.
  • Volatility Adjustment: The entire trade is a play on volatility.
  • Conviction Sizing: Not applicable.
  • Scaling In: Not applicable.
  • Scaling Out: Not applicable.

Trade Filtering

  • Market Conditions to Avoid: Not applicable.
  • Specific Setups: Focus on liquid convertible bonds and their underlying stocks.
  • Instrument Requirements: Convertible bonds, common stocks.
  • Time Restrictions: None.
  • Chop/News Avoidance: Not applicable.

Context Framework

  • Trend Direction: Not applicable. The strategy is delta-neutral, meaning it is not dependent on the direction of the stock price.
  • VWAP Relationship: Not applicable.
  • MA Relationship: Not applicable.
  • Range Location: Not applicable.
  • Higher TF Alignment: Not applicable.

Trade Management Rules

  • Breakeven: Not applicable.
  • Scale Out: Not applicable.
  • Add Size: The delta hedge is constantly adjusted.
  • Fast vs Slow Moves: The hedge must be adjusted in real-time.

Time Rules

  • Optimal Window: Any time a mispricing occurs.
  • Times to Avoid: Not applicable.
  • Session Notes: Requires sophisticated modeling and execution systems.

Setup Classification

  • A+ Criteria: A large, liquid convertible bond trading at a deep discount to its theoretical value.
  • A Criteria: A standard arbitrage opportunity.
  • B Criteria: A less liquid issue.
  • C Criteria: Not applicable for retail.

Market Selection Criteria

  • Instruments: Convertible bonds, common stocks.
  • Volume/Liquidity: High liquidity is essential for maintaining the delta hedge.
  • Volatility: The strategy profits from the difference between implied and realized volatility.

Statistical Edge Metrics

  • Expected Win Rate: High.
  • Average Win Size: Small.
  • Average Loss Size: Small.
  • Profit Factor: High.
  • Expectancy: Positive.

Failure Conditions

  • Market Conditions: A _market crash can cause credit spreads to blow out, creating large losses.
  • Specific Scenarios: The model used to value the bond is incorrect, or the hedge cannot be maintained due to a short squeeze in the underlying stock._

Psychological Rules

  • Mental Discipline: This is a purely quantitative strategy. Human intervention should be minimal.

Advanced Components

  • Market Regime Detection: Not applicable.
  • Filters: Requires a sophisticated quantitative model and access to real-time data.
  • Correlation: The strategy is based on the complex relationship between the bond, the stock, interest rates, and volatility.
  • MTF Alignment: Not applicable.

Location

  • Where Strongest: This is an institutional, market-neutral strategy.
  • Where Weakest: Not applicable for retail traders.