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該死,我終於明白為什麼我所有的量化測試都在虧錢。那是因為他們的回測數據不準確。遊戲顯卡的數據怎麼可能可靠?數據緩慢且不精確,錯誤會逐漸累積。從盈利到虧損可能只差一個小數點。真正有利可圖的量化策略依賴於AI超級電腦,這些電腦使用的晶片每個都價值數十萬。租用一台的費用每月數萬,整台機器的成本則達到數百萬。普通的量化交易者負擔不起購買這樣的設備。