Those who didn't hold onto Bitcoin at 20k indeed missed the opportunity. The key is not to be blinded by your own quantitative models. Often, market trends exceed algorithm expectations, and those who dare to buy more against the trend can often catch the bottom. Looking at the chart, you can feel the strength of that wave of market movement—missing this low-position entry opportunity will make chasing high later much more costly. The biggest risk in trading is overconfidence in your own system; sometimes, you need to think outside the box and adjust your strategy according to market rhythm.