Volatility Arbitrage

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Definition of 'Volatility Arbitrage'

Volatility arbitrage is a trading strategy that attempts to profit from the difference in implied volatility (IV) of two options on the same underlying asset. The strategy is based on the premise that the IV of an option is not always an accurate reflection of its true value. This can be due to a number of factors, such as changes in market sentiment or new information about the underlying asset.

Volatility arbitrageurs typically trade options on stocks, indices, and commodities. They may also trade options on futures contracts. The strategy can be used on both long and short positions.

To execute a volatility arbitrage trade, a trader will buy an option with a lower IV and sell an option with a higher IV. The difference in the prices of the two options is the potential profit for the trade. However, there is also a risk of loss if the IV of the options does not move in the expected direction.

Volatility arbitrage is a relatively low-risk strategy, but it can also be low-return. The strategy is most effective when the IV of the options is mispriced. This can happen when there is a sudden change in market sentiment or new information about the underlying asset.

Here is a more detailed explanation of how volatility arbitrage works:

1. A trader identifies two options on the same underlying asset with different IVs.
2. The trader buys the option with the lower IV and sells the option with the higher IV.
3. The trader hopes that the IV of the options will converge, which will cause the price of the option with the lower IV to increase and the price of the option with the higher IV to decrease.
4. If the IVs converge, the trader will make a profit on the trade.

There are a number of factors that can affect the IV of an option, including:

* The time to expiration of the option
* The strike price of the option
* The volatility of the underlying asset
* The level of interest rates
* The supply and demand for options

Volatility arbitrageurs must carefully consider all of these factors when making a trade. They must also be aware of the risks involved in volatility arbitrage, such as the risk of loss if the IV of the options does not move in the expected direction.

Volatility arbitrage can be a profitable strategy, but it is important to understand the risks involved before trading.

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