What is the difference between a 'Market Order' and a 'Limit Order' in equity execution?

[ A ]A Market Order can only be placed on gold ETFs, while a Limit Order applies to real estate.

[ B ]A Market Order never executes, while a Limit Order executes instantly on every business day.

[ C ]A Market Order guarantees zero execution slippage under all market conditions.

[ D ]A Market Order executes immediately at the best prevailing market price available, while a Limit Order specifies a maximum purchase price or minimum sale price, executing only at that price or better.[ CORRECT ]

Takeaway

A Market Order executes immediately at the best available prevailing price, prioritizing speed of execution over price certainty, while a Limit Order sets a specific maximum (buy) or minimum (sell) price and only executes at that price or better.

Derivation

These are the two fundamental order types in exchange trading, and the trade-off between them is the core concept: a market order guarantees the trade happens now but leaves the exact execution price uncertain (subject to slippage in a fast-moving or illiquid market), whereas a limit order guarantees the exact worst-case price the investor will accept but offers no guarantee the order fills at all if the market never touches that level. Understanding this speed-versus-price trade-off is foundational to secondary market execution and is routinely tested because candidates often assume one order type is simply 'better' rather than recognizing each serves a different investor priority.

Why the others fail

A — A Market Order can only be placed on gold ETFs, while a Limit Order applies to real estate.

Both market and limit orders are standard order types available across all listed secondary-market securities, not restricted to specific asset classes like gold ETFs versus real estate.

B — A Market Order never executes, while a Limit Order executes instantly on every business day.

This inverts the actual mechanics: a market order executes immediately (it does not 'never execute'), while a limit order waits and may never fill if the price condition isn't met.

C — A Market Order guarantees zero execution slippage under all market conditions.

Market orders explicitly accept execution-price uncertainty (slippage) in exchange for guaranteed, immediate execution — they do not guarantee zero slippage under all conditions.