Stream Option Vega

Streams the real-time vega Greek for options contracts. Vega measures the rate of change in option price relative to a 1% change in implied volatility.

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

Vega Characteristics

Scenario Vega Behavior
At-the-money Highest vega
Long-dated Higher vega
Near expiration Lower vega
Deep ITM/OTM Lower vega

Notes

  • Data streams automatically update in Excel
  • Vega is always positive for both calls and puts
  • Higher for long-dated and at-the-money options

Examples

=QM_Stream_Vega("AAPL240315C00170000")
Vega for AAPL call
=QM_Stream_Vega("MSFT240315P00400000")
Vega for MSFT put
=QM_Stream_Vega(A1)
Option symbol from cell

When to Use

  • Volatility trading strategies
  • Understanding IV sensitivity
  • Position vega management
  • Pre-earnings analysis

When NOT to Use

Scenario Use Instead
Need delta QM_Stream_Delta()
Need gamma QM_Stream_Gamma()
Need theta QM_Stream_Theta()
Need implied volatility QM_Stream_ImpliedVolatality()

Common Issues & FAQ

Q: What does vega tell me? A: Vega shows how much the option price will change for a 1% move in IV. A vega of 0.25 means the option gains $0.25 if IV rises 1%.

Q: When is vega most important? A: Vega matters most before events that affect volatility, like earnings announcements.

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