The Average Time Between Trades for a High-Frequency Trading Investment

question 20

Multiple Choice

The average time between trades for a high-frequency trading investment firm is 40 seconds. Assume the time between trades is exponentially distributed. What is the probability that the time between trades for a randomly selected trade and the one proceeding it is less than 20 seconds?

• A) 0.1354
• B) 0.3935
• C) 0.6065
• D) 0.8446

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Definitions:

Fixed Costs

These are business expenses that remain constant regardless of the level of goods or services produced, such as rent, salaries, and insurance premiums.

Average Variable Cost

The total variable costs divided by the quantity of output produced, representing the variable cost per unit.

Marginal Cost

The additional cost incurred by producing one more unit of a good or service.

Fixed Costs

Costs that do not vary with the level of output or production in the short term, such as rent or salaries.