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
Examples
=QM_Stream_ImpliedVolatality("AAPL240315C00170000")=QM_Stream_ImpliedVolatality("MSFT240315P00400000")Option symbol from cell
=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
Q: What does implied volatility mean? A: IV is the market's forecast of future volatility. Higher IV means the market expects larger price swings.
Q: Why does IV matter for options? A: IV directly affects option prices. High IV = expensive options; low IV = cheap options.
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