I've always felt that one of the biggest frustrations for many traders when executing strategies is the inability to monitor the market 24/7. Recently, I’ve been thinking that GTC limit orders actually solve this pain point, but many people haven't used them effectively yet.

Simply put, GTC stands for "Good Till Canceled" orders, allowing you to set a target price and then relax, knowing your order will stay active until it’s filled or you cancel it manually. Unlike day orders that expire at market close, GTC orders remain live until executed or canceled. Most brokerages automatically cancel unfilled GTC orders after 30 to 90 days to prevent accumulation.

The practical scenarios are quite interesting. For example, you’re bullish on a stock currently trading at $55, but you believe $50 is a fair price. Instead of checking the market daily for opportunities, you can place a GTC limit order at $50. If the stock drops to that level, the order executes automatically, locking in your desired price. The reverse works too: if you hold a stock at $80 and want to sell at $90 to take profit, setting a GTC sell order will automatically close the position once the price hits that level.

However, this convenience comes with risks. The most common is unexpected execution due to market volatility. The stock price might trigger your order because of short-term fluctuations and then continue to decline, leaving you to regret your decision. Another more painful risk is "gap risk." For example, if a stock closed at $60 yesterday and opens at $50 today due to breaking news, a GTC sell order set at $58 might execute at a much lower price than expected.

Another often overlooked issue is order neglect. If you set a GTC limit order and forget about it, changing market conditions might make your strategy no longer suitable, but the order remains waiting to be filled. Regularly reviewing and adjusting your orders is crucial.

GTC limit orders and day orders each have their uses. Day orders are suitable for traders seeking short-term volatility and with manageable risk. GTC orders are better suited for long-term investors with clear target prices who are willing to wait. If you’re waiting for a specific price to appear, use GTC; if you just want to catch today’s market moves, day orders are more appropriate.

Overall, GTC is a useful automation tool that allows you to execute trading strategies without constantly monitoring the market. But the key is to understand its risks, review your orders regularly, and ensure they still align with your current trading plan. Some traders combine GTC orders with stop-loss orders to better manage potential losses.