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SIE: Trading & Settlement
SIE practice questionmediumTrade Execution

A firm receives a client’s limit order at $52 and immediately buys 500 shares for its own account at $52 without executing the client’s order. What rule is violated?

  1. AManning Rule (Limit Order Protection Rule)✓ Correct answer
  2. BRegulation D
  3. CRegulation A+
  4. DRegulation S
Explanation

Why AManning Rule (Limit Order Protection Rule)

The Manning Rule prohibits firms from trading for their own accounts ahead of client limit orders at the same price. Reg D, A+, and S all concern registration of offerings, not order handling.

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