东方财富接口
东方财富接口：为 VAlpha 量化终端用户提供 A 股市场数据获取、多数据源自动切换与熔断保护，支持 Tushare/Akshare 链路 fallback，并根据积分额度自动配置请求频率限制。 含 14 条反模式约束。
晶体简介
Constraints
Evidence Quality
Medium confidence — review before critical use
29 条不可违反的约束
WHENWhen calling TuShare Pro API
ACTIONEnforce rate limiting with sliding window algorithm before each API call using rate_limiter.acquire()
CONSEQUENCEExceeding TuShare rate limits (120 calls/minute for free tier) will trigger API blocking, causing data fetching failures and service unavailability
WHENWhen storing factor data in database
ACTIONconvert trade_date from YYYYMMDD to YYYY-MM-DD format
CONSEQUENCEDatabase will reject date format causing factor persistence failure and downstream recommendation queries will return empty results
WHENWhen processing stock universe for factor computation
ACTIONload entire stock list into memory at once
CONSEQUENCE2H4G server will experience out-of-memory error, causing factor computation to fail and no recommendations available for that trading day
常见问题
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更新历史
v0.1.0: 首次发布到 Doramagic.ai。基于 tangweigang-jpg/doramagic-skills 的自动化 batch-v1 元数据 + 自动生成 FAQ。