{"ok":true,"sampleCount":1,"snapshotCount":81,"winRatePct":0,"avgReturnPct":0,"best":[{"from":"2026-05-21T04:01:10.434Z","symbol":"2317","name":"鴻海","entry":212,"latest":212,"returnPct":0,"category":"強勢觀察"}],"worst":[{"from":"2026-05-21T04:01:10.434Z","symbol":"2317","name":"鴻海","entry":212,"latest":212,"returnPct":0,"category":"強勢觀察"}],"summary":"樣本 1 筆，仍不足，先累積資料。"}