Implied Volatility is an indicator that represents the market's expectation of the volatility of the underlying asset over time. It is the value of volatility that is inverted by substituting the price of an option or warrant in the market into an option pricing model. Implied Volatility is a very important indicator in the options market and it directly affects the pricing of options. When Implied Volatility is higher, the higher the option pricing.
IV is not a perfect predictor of future volatility, it is simply an expectation based on current market information.
Why is IV so important in the options market?
IV is the core of option pricing: IV is a key parameter in the Black-Scholes model and other option pricing models, through which we can calculate the theoretical price of an option along with other parameters.
IV Reflects Market Sentiment: IV reflects traders' perception of market sentiment and uncertainty; When the market is calm and traders are complacent, IV tends to be lower. But when there is a lot of uncertainty or concern about potential risks, IV can spike.
Risk management through IV: Traders can use IV to assess the risk of their asset portfolios so that they can adjust their portfolios and control their risk exposure.
Characteristics of IV
Asymmetrical: Implied Volatility usually has a "smile" or "slope" shape, deep in-the-money options have lower implied volatility, while deep out-of-the-money options have higher implied volatility.
Temporal: Implied Volatility changes as the expiration date approaches.
The level and shape of Implied Volatility varies across underlying assets.
Factors affecting IV
Underlying Asset Characteristics: The type of underlying asset, historical volatility, and liquidity can affect IV.
Macroeconomics: Economic growth, changes in risk-free interest rates, inflation, etc. can affect IV.
Unforeseen events: IV can be affected when there are significant events in the underlying asset's related entities, such as the release of earnings reports, investment decisions, etc., as well as geopolitical events worldwide.
Implied Volatility, as a core parameter in option pricing models, plays an important role in financial markets. An in-depth understanding of the meaning, calculation methods and application scenarios of Implied Volatility is of great significance to investors, traders and risk managers.