Stop-Market vs. Stop-Limit Orders in U.S. Stocks: Why Sell Executions Differ During Sharp Price Drops
When U.S. stocks plunge, a stop-market order may execute at a price below the specified stop price, while a stop-limit order may not execute at all because of its minimum selling price. Both orders are used to limit losses, but the key difference is that stop-market orders prioritize executing the sale, while stop-limit orders prioritize restricting the selling price. As of 2026-10-20, the U.S. Securities and Exchange Commission