Rather than fight a trend, you ride it: when a market's price has been moving steadily one direction and breaks out of its recent range, you enter in that direction and let it run, exiting when it reverses. The edge is that prediction-market prices often keep drifting the same way as news and money continue to flow in, rather than turning on a dime. A trailing stop locks in gains and gets you out fast when momentum flips.
Markets on Polymarket where momentum / trend following is the natural play: