medium · Market Microstructure

A retail day trader makes 500 round-trip trades per year with an average size of 5,000.

If the all-in transaction cost is 10 basis points (0.10%) per round trip and the trader has no informational advantage, what is the expected net annual return?

  1. +2,500
  2. -500
  3. -2,500
  4. 0

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