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Definitions

delta

[del-tuh] / ˈdɛl tə /






Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When traders buy S&P 500 call options, the dealers who sell those calls need to buy S&P 500 futures to remain what’s called delta neutral.

From MarketWatch • Apr. 20, 2026

To simplify, being delta neutral means option dealers will shift their holdings of the underlying asset as option prices move in order to maintain a hedged position.

From MarketWatch • Apr. 20, 2026

In a practice that ought to inspire progressives, those farmers deepened the delta channels and spread over their surrounding farmland the rich silt they excavated or used it to reinforce the levees.

From The Wall Street Journal • Apr. 17, 2026

Gamma is essentially the rate of change in a stock option’s delta, and the delta is how an option price changes with changes in the underlying stock.

From Barron's • Apr. 10, 2026

Every year the Nile would overflow its banks and flood the delta.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife




Vocabulary lists containing delta