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Why is implied volatility different for each strike price?

Why is implied volatility different for each strike price?

For options with a forward skew, implied volatility values go up at higher points along the strike price chain. At lower option strikes, the implied volatility is lower, while it is higher at higher strike prices. The market prices this possibility in, which is reflected in the implied volatility levels.

How does iv affect option pricing?

Put simply, higher volatility, sometimes called IV expansion, creates higher uncertainty about the future price action of the stock. As a result, IV expansion causes the prices of options to increase because the writers of options have a greater chance of losing a large amount of money.

Why does volatility affect option prices?

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Unlike interest rates, volatility significantly affects the option prices. The higher the volatility of the underlying asset, the higher is the price for both call options and put options. This happens because higher volatility increases both the up potential and down potential.

What is the relationship between volatility and option price?

The higher the volatility, the higher the option premium. Higher volatility implies that prices will trade in a greater range over time, which is why the option premium is also higher. Figure 9.21 shows the expected trading range assuming volatilities of 20 and 30 per cent.

Why do different options have different IV?

Time to Expiration – Time to expiration, better known as theta, which measures the amount of time left for the option to expire, affects the IV of an option directly. For example, if the time to expiry is little, the IV usually would be on the lower side.

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What does it mean if different options on the same asset have different implied volatilities?

The implied volatility depends on the pricing model. Options for the same asset or Forex pair will have different implied volatilities when their strike prices and time to expiration are different. Thus, the IV is non-constant among options of different pricing models and different parameter values.

Why are options priced differently?

Basically, when the market believes a stock will be very volatile, the time value of the option rises. On the other hand, when the market believes a stock will be less volatile, the time value of the option falls. The expectation by the market of a stock’s future volatility is key to the price of options.