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5 lessons about 18 minutes 10 quick checks final check: 8 questions Free, no sign-up

The five sensitivities that describe how an option's price behaves.

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By the end you will be able to

  • Use delta to estimate an option's response to a $1 stock move, and as a moneyness scale.
  • Explain how gamma changes delta, and why it peaks near the money close to expiry.
  • Estimate daily time decay with theta and repricing from volatility with vega.
  • Explain when rho matters and when it can be set aside.

Syllabus

work through in order; each lesson ends with a short check
  1. ✓ DeltaHow much an option's price moves per one-dollar move in the stock, and why traders also use it as a moneyness scale. 3 min
  2. ✓ GammaThe rate at which delta itself changes as the stock moves — the curvature behind an option's price response. 3 min
  3. ✓ ThetaThe model's estimate of how much value an option loses per day from the passage of time alone, all else equal. 3 min
  4. ✓ VegaHow much an option's price changes when implied volatility moves by one percentage point. 3 min
  5. ✓ RhoHow much an option's price changes when interest rates move by one percentage point — the quietest of the greeks. 3 min
  6. ★ Final check8 questions · pass mark 6/8 · unlocks when every lesson check is done 4 min

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Your progress is saved in this browser only; clearing site data resets it. Educational content only: nothing in these courses tells you what to trade. Time estimates assume about 200 words a minute.

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