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How Option Greeks Affect Pricing

A quick breakdown of how the four main options Greeks — delta, gamma, theta, and vega — directly impact the price of your options contracts.

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What this one covers

  • Understand how each Greek impacts your option's price

The same thing, in writing

The four main Greeks each affect your option's price differently. Delta measures directional sensitivity, gamma measures how fast delta changes, theta measures daily time decay, and vega measures sensitivity to volatility changes. Understanding these is essential for managing any options position effectively.

Topics

  • greeks
  • delta
  • gamma
  • theta
  • vega
  • options pricing
By Ryan Silk & Lawrence Polatchek Last reviewed . Methodology is published in full.

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The rest of the series, and the written guides behind what you just watched.

1:02 Shorts What Is Delta? Options Delta Explained with NVDA Delta is the change in an option's price for a $1 move in the stock. A one minute lesson with a real Nvidia call, and why the number cuts both ways. 1:10 Shorts What Is an Option? A Real S&P 500 Call Example One contract, five words and a real S&P 500 call. What the buyer gets, what the seller carries, and where the 7,750 call breaks even. 1:09 Shorts Where the Edge Is: Implied vs Historical Vol Stock picking bets against the efficient market hypothesis. The measurable edge is the gap between implied and historical volatility.
Learn Options GreeksThe written guide, with the worked numbers. Tools Options CalculatorRun the same calculation yourself. Tools Greeks CalculatorRun the same calculation yourself. All videosEvery walkthrough and clip, sorted by topic. Learning centreEvery guide, ordered from first principles up.

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