Options Mastery Series — Article 5 of 10
📋 What You will Learn:
- 🎯 What vega measures and how volatility affects options
- 💡 Implied vs historical volatility explained
- ⚠️ Why vega is highest for ATM options
- 📊 Trading earnings and events with vega
- 🔢 Volatility crush and how to avoid it
🎥 Video coming soon — Subscribe to @Titan_Protect for the full breakdown.
🔍 The Volatility Factor
Vega might be the most important Greek for event-driven traders. It measures how much an option price changes when volatility moves. And volatility moves constantly.
🎯 What Is Vega?
Vega measures how much an option price changes when implied volatility changes by 1%.
Example:
- Option price: $5.00
- Vega: 0.25
- IV increases 2% → Option price increases $0.50
- IV decreases 2% → Option price decreases $0.50
📊 Implied vs Historical Volatility
Implied Volatility (IV):
- What the market expects future volatility to be
- Derived from current option prices
- Forward-looking
- Changes constantly
Historical Volatility (HV):
- What volatility actually was in the past
- Calculated from price movements
- Backward-looking
- Fixed once calculated
⚠️ The Volatility Crush
This is where most options traders lose money:
- Before earnings: IV is high (everyone expects a move)
- You buy options betting on a big move
- After earnings: IV collapses (uncertainty resolved)
- Even if the stock moves, your options lose value from vega
The move was not big enough to overcome the volatility crush.
🎯 Key Takeaways
- Vega measures sensitivity to volatility changes
- High vega = big exposure to IV moves
- ATM options have highest vega
- Longer-dated options have higher vega
- Volatility crush kills earnings trades
- Sell high IV, buy low IV (like everything else)
📌 Coming Next: Theta – The Time Decay Trap
Understand time decay and how theta erodes option value every single day.
© 2025 Titan Protect. Educational content for traders. Not financial advice.
