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Room to buy

Market makingEasy

A market maker may hold at most units long or short. The current position is units long. What is the largest quantity the market maker can buy without exceeding the limit?

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A whole number, a decimal, a fraction like 3/8 or a percent.

Hint

Subtract the current position from the limit.

Solution
  1. The long limit is units.
  2. The market maker already holds units.
  3. The largest purchase is units.

Answer:

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