Question

Difficulty: HardTypes of Orders and Order Execution Strategies

An institutional trader is configuring order entry instructions for a trading algorithm. Match each specific order type or execution qualifier on the left with its corresponding trigger condition and execution rule on the right.

  • Fill-or-Kill (FOK)Must be executed immediately in its entirety at the specified limit price or better; if the full order cannot be filled immediately, the entire order is canceled.
  • Immediate-or-Cancel (IOC)Must be executed immediately, either in full or in part at the specified limit price or better, with any unexecuted portion immediately canceled.
  • Buy Stop-LimitActivated when the stock trades at or above a specified trigger price, subsequently converting into an order to buy at the specified limit price or lower.
  • Market-on-Close (MOC)Executes as close to the official market closing price as possible, but will be canceled if trading in the security is halted prior to the market close.

Answer

Fill-or-Kill pairs with mandatory immediate full fill or cancellation; Immediate-or-Cancel pairs with immediate partial fill permission and cancellation of remaining shares; Buy Stop-Limit pairs with activation at or above the stop price converting to a buy limit order; Market-on-Close pairs with execution target at the official closing price subject to active trading.
Each order type and qualifier correctly aligns with FINRA and exchange execution definitions: FOK demands an immediate full fill, IOC permits immediate partial fills, Buy Stop-Limit converts to a limit order upon reaching the stop price, and MOC targets the market closing price.

Step-by-Step Solution

1
Differentiate between immediate time-in-force qualifiers (FOK vs IOC).
FOK strictly forbids partial fills and requires complete immediate execution or cancellation. IOC permits partial fills and cancels only the unexecuted balance.
Understanding institutional execution constraints for immediate orders.
2
Analyze two-stage trigger mechanics for Buy Stop-Limit orders.
The order remains inactive until a market transaction or quotation occurs at or above the stop price, converting it into a buy limit order requiring execution at or below the limit price.
Distinguishing stop trigger activation from limit price execution parameters.
3
Evaluate Market-on-Close (MOC) rules.
MOC orders target the closing price calculation and execute near market close unless trading is halted prior to the market closing bell.
Identifying timing-specific execution rules under standard exchange operations.

Key Concept

Order Types and Execution Qualifiers
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