At-the-Money
At-the-money describes an option contract where the strike price is equal or very close to the current market price of the underlying asset. These options are considered to have the highest level of uncertainty and the most significant extrinsic value compared to options that are deep in or out of the money.
Because they sit right at the boundary of profitability, their delta is typically near 0.50, meaning they have the highest sensitivity to price changes. Traders often focus on at-the-money options when they expect significant volatility, as these contracts provide the most leverage per dollar invested.
However, they also face the most rapid theta decay, making them risky to hold for long durations. Understanding this positioning is key for tactical entry and exit strategies in derivative trading.