Stream Option Implied Volatility
Streams the real-time implied volatility (IV) for options contracts. IV represents the market's expectation of future volatility derived from the option's current price.
Symbol Format
Options use OCC (Options Clearing Corporation) format:
- Format:
SYMBOL + YYMMDD + C/P + Strike(8 digits) - Example:
AAPL240315C00170000= AAPL Call, Mar 15 2024, Strike $170
IV Interpretation
| IV Level | Market Expectation |
|---|---|
| < 0.20 | Low volatility expected |
| 0.20-0.40 | Normal volatility |
| > 0.40 | High volatility expected |
| > 0.60 | Very high volatility (earnings, events) |
Notes
- Data streams automatically update in Excel
- IV is expressed as a decimal (0.30 = 30%)
- Higher IV = higher option prices
Syntax
=QM_Stream_ImpliedVolatality(Symbol)Parameters
Option symbol in OCC format
Returns
Implied volatility as decimal (0.30 = 30%)
Examples
=QM_Stream_ImpliedVolatality("AAPL240315C00170000")=QM_Stream_ImpliedVolatality("MSFT240315P00400000")=QM_Stream_ImpliedVolatality("AAPL240315C00170000")*100When to Use
- Volatility trading strategies
- Option price analysis
- Comparing options across strikes
- Identifying over/underpriced options
When NOT to Use
| Scenario | Use Instead |
|---|---|
| Need IV change | QM_Stream_ImpliedVolatalityChange() |
| Need vega | QM_Stream_Vega() |
| Need option price | QM_Stream_Last() |
| Need historical volatility | Use historical vol functions |
Common Issues & FAQ
What does implied volatility mean?
IV is the market's forecast of future volatility. Higher IV means the market expects larger price swings.
Why does IV matter for options?
IV directly affects option prices. High IV = expensive options; low IV = cheap options.
Excel Templates Using Stream Option Implied Volatility
These ready-made MarketXLS templates call QM_Stream_ImpliedVolatality() in their worksheet formulas. Open one to see the function working inside a complete model.
Related Formulas
More MarketXLS Price Quotes (Streaming) formulas you can use in the same worksheet:
- Stream Option Rho
- Stream Percentage Change
- Stream Percentage Change
- Stream Post Market Change
- Stream Post Market Change
- Stream Post Market Last
- Stream Post Market Last Price
- Stream Post Market Last Trade Time
See QM_Stream_ImpliedVolatality used in a complete workbook: How to Insert Stock Price in Excel for Real-Time Quotes
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