[KongchangAI]
Unverified50% confidenceFactExact time

有效市场假说由尤金·法马于1970年提出,主张市场价格已充分反映所有公开信息,主动择时难以持续获得超额收益

1
Sources
50%
Confidence
Long-term
Relevance
7/16/2026
First Seen

Sources

Related Claims

Cite This Claim

Stable URI
https://kongchang.com/claim/533445
API
curl https://kongchang.com/api/v1/knowledge/claims/533445
MCP
get_claim(id=533445)