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SIE: Prohibited Activities & Ethics
SIE practice questionhardMarking the Close

Placing trades near the close of the market specifically to influence the closing price of a security is known as:

  1. AMarking the close✓ Correct answer
  2. BAfter-hours trading
  3. CLate trading
  4. DDark pool execution
Explanation

Why AMarking the close

Marking the close is a form of market manipulation where trades are placed near the end of the trading day to artificially influence the closing price. After-hours trading can be legitimate trading after the close, and late trading refers to improper mutual fund trading after NAV calculation.

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