Adjustments to Options After Corporate Actions and Formation of Non-Standard Options
In option trading, corporate actions refer to major events occurring to listed companies, such as stock splits, reverse splits, special dividends, mergers and acquisitions, etc. These events affect the price, quantity, or structure of the underlying stock, requiring corresponding adjustments to option contracts to maintain the fairness and economic value of the contracts. According to the rules of the Options Clearing Corporation (OCC), option contracts usually undergo standardized adjustments after a corporate action, but some adjustments will cause the option to transform from a standard contract to a non-standard option. Below are the basic principles of option adjustments: Standard Option Contracts: Usually based on 100 shares of the underlying stock, with fixed strike price and expira
Earnings earnings move is a tool that quantifies market volatility expectations before earnings announcements based on indicators such as forecasted volatility, historical averages, and percentile values. It quickly identifies overestimated/underestimated volatility states and simplifies the comparison between forecasted volatility metrics and historical data, helping investors capture volatility pricing discrepancies during earnings events, avoid excessive volatility risks, and achieve efficient event-driven trading without complex models. I. Core Indicator Definitions Forecasted Volatility (At-the-Money Option Price Ratio) Definition: The ratio of at-the-money option price to the underlying stock price, reflecting market expectations for short-term volatility. Calculation: Forecast Volat