Unverified50% confidenceFactExact time
GARCH族模型有多种变体，包括捕捉非对称杠杆效应的EGARCH和GJR-GARCH，以及适用于多资产情形的DCC-GARCH
1
Sources
50%
Confidence
Long-term
Relevance
8/12/2026
First Seen
Sources
金融机器学习模型为何难以评估？核心挑战与避坑指南
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