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Implied Volatility (IV) is volatility expected by market implied from option prices using Black-Scholes. Higher IV = higher option premiums.

Hướng dẫn từng bước

  1. 1Input option price, stock price, strike, time, rate
  2. 2Solve for volatility that equates option price to model value
  3. 3Results show market expectation of future volatility

Ví dụ có lời giải

đầu vào
Call option trading high premium
Kết quả
IV > 30% (market expects large moves)
IV varies by strike and expiration

Lỗi thường gặp cần tránh

  • Using historical volatility (different from IV)
  • Not accounting for IV changes

Câu hỏi thường gặp

Is IV always accurate?

No, volatility smile/skew shows IV varies by strike; market pricing not always consistent.

Sẵn sàng để tính toán? Dùng thử Máy tính Implied Volatility miễn phí

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