In a bull market, short-term trading should either hedge with both high shorts and low longs simultaneously or only go long on dips. You should not only short in one direction; even in a weak market, that is not advisable. In the early stages of a bull market, when alternating between small bulls and bear markets, the market logic differs. There is no unilateral decline, and there won't be a dramatic drop like 5.19 or 3.12. Focus on buying on retracements and shorting at high points.

When taking high shorts and low longs simultaneously, the position for low longs should be three times that of high shorts. For high shorts, only take 2% near each pressure point, and after encountering three pressure points, a retracement will naturally occur. Set the three nearest support levels in advance for profit-taking. If you're lucky, you might even hit a waterfall and maximize your floating profit. In a bull market, shorting relies on maintenance; on average, it takes ten days each month to maintain shorts before taking profit. Unless you have very fast hands, like making a floating profit of twenty or thirty points daily on ETH and then running, very short-term trading is too exhausting. I don't engage in ultra-short-term trades that require profit-taking every hour or two; firstly, I lack the time and energy, and secondly, my body can't handle it.