WHAT IT ANSWERS
这张表适合回答什么
- 查询历史或盘中价格与成交
- 构建行情、波动率和衍生品特征
DATASET · market
market.cn_concept_daily
记录 A 股概念板块每日开高低收、成交量、成交额和涨跌幅,用于比较主题板块强弱;一行由 concept_code、trade_date、source 定位,主要字段包括 open、high、low、close、pre_close。
trade_dateWHAT IT ANSWERS
GRAIN & TIME
KEY FIELDS
concept_codetrade_datesourceRECOMMENDED JOINS
ref.calendaron market + trade_date(有 market 时)需要计算交易日偏移时联接交易日历;无 market 字段时先确定适用市场。
HOW TO QUERY SAFELY
先用 catalog 确认当前契约;可按 catalog 中列出的 filters 进一步缩小范围;单页最多 5000 行,响应有 has_more 时原样传回 next_cursor 继续分页。
MACHINE CONTRACT
concept_code, trade_date, sourceconcept_code, trade_date, sourcecanonical_final_activemarket→ market · stringprovider→ provider · stringsource→ source · stringtrade_date→ trade_date · stringPOINT IN TIME
该资产没有 PIT 契约。普通 rows 端点仍按当前公开读模式返回数据;不要把它表述成历史时点快照。
COPY-READY CALLS
同一数据集可用 HTTP、Python SDK、CLI 或 MCP;Key 始终只通过环境变量/Bearer Header 传递。
curl --fail-with-body -H "Authorization: Bearer $FRIENDS_DATA_API_KEY" "https://api.alphahubs.uk/api/v1/data/datasets/market/cn_concept_daily/rows?limit=100&market=CN"from friends_data_api import FriendsDataClient, Settings
async with FriendsDataClient(Settings.from_env()) as client:
page = await client.get_dataset_rows('market', 'cn_concept_daily', limit=100, filters={'market': 'CN'})
print(page.data)
if page.has_more:
print("next cursor:", page.next_cursor)friends-data get-dataset-rows market cn_concept_daily --limit 100 --filter market=CN{
"arguments": {
"dataset": "cn_concept_daily",
"filters": {
"market": "CN"
},
"limit": 100,
"namespace": "market"
},
"tool": "get_dataset_rows"
}FIELD DICTIONARY
descriptionSource 可在 JSON 中区分仓库注释、标准术语表和名称推导说明。
| # | 字段 | ClickHouse 类型 | JSON | 可空 | 角色 | 说明 |
|---|---|---|---|---|---|---|
| 1 | concept_code | String | string | no | default_order, warehouse_primary_key, contract_unique_key | Source-normalized field: concept code.名称推导 |
| 2 | trade_datedate | Date | string / date | no | time, filter, default_order, warehouse_primary_key, contract_unique_key | Trading-session date in the dataset's market calendar.标准术语表 |
| 3 | open | Nullable(Float64) | number | yes | value | Opening price for the represented interval.标准术语表 |
| 4 | high | Nullable(Float64) | number | yes | value | Highest price for the represented interval.标准术语表 |
| 5 | low | Nullable(Float64) | number | yes | value | Lowest price for the represented interval.标准术语表 |
| 6 | close | Nullable(Float64) | number | yes | value | Closing or last price for the represented interval.标准术语表 |
| 7 | pre_close | Nullable(Float64) | number | yes | value | Source-normalized field: pre close.名称推导 |
| 8 | avg_price | Nullable(Float64) | number | yes | value | Price value for avg price.名称推导 |
| 9 | change | Nullable(Float64) | number | yes | value | Source-normalized field: change.名称推导 |
| 10 | pct_change | Nullable(Float64) | number | yes | value | Source-normalized field: pct change.名称推导 |
| 11 | vol | Nullable(Float64) | number | yes | value | Source-normalized field: vol.名称推导 |
| 12 | turnover_rate | Nullable(Float64) | number | yes | value | Source-normalized field: turnover rate.名称推导 |
| 13 | total_mv | Nullable(Float64) | number | yes | value | Source-normalized field: total mv.名称推导 |
| 14 | float_mv | Nullable(Float64) | number | yes | value | Source-normalized field: float mv.名称推导 |
| 15 | market | LowCardinality(String) | string | no | filter | Canonical market or country-market code.标准术语表 |
| 16 | source | LowCardinality(String) | string | no | filter, default_order, warehouse_primary_key, contract_unique_key, provenance | Normalized upstream source identifier.标准术语表 |
| 17 | ingest_run_id | String | string | no | provenance | Identifier of the ingestion run that produced the row.标准术语表 |
| 18 | version | UInt64 | integer | no | provenance | Monotonic row version used for correction-aware reads.标准术语表 |
| 19 | is_deleted | UInt8 | integer | no | value | Soft-delete marker; public serving excludes current tombstones.标准术语表 |
| 20 | ingested_atUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | provenance | UTC timestamp when the source record entered the warehouse.标准术语表 |
| 21 | provider | LowCardinality(String) | string | no | filter, provenance | Upstream data provider identifier.标准术语表 |
| 22 | source_url | String | string | no | provenance | URL of the upstream evidence or record when distributable.标准术语表 |
| 23 | source_record_id | String | string | no | provenance | Provider-side identifier for the source record.标准术语表 |
| 24 | raw_payload_hash | String | string | no | provenance | Opaque fingerprint of the normalized source payload for provenance checks.标准术语表 |
| 25 | parser_version | LowCardinality(String) | string | no | provenance | Version of the parser or normalizer that produced the row.标准术语表 |
| 26 | quality_status | LowCardinality(String) | string | no | provenance | Machine-readable data-quality classification.标准术语表 |
| 27 | license_scope | LowCardinality(String) | string | no | provenance | License or redistribution scope attached to the row.标准术语表 |
| 28 | visibility_tier | LowCardinality(String) | string | no | provenance | Serving visibility tier attached to the row.标准术语表 |
换一个字段名、类型或角色。
结构来自 Friends 只读身份可见的真实 serving relation;权限、过滤、排序、PIT 与分页来自可执行 DatasetSpec。Schema observed at 2026-10-06T18:08:52Z。