WHAT IT ANSWERS
这张表适合回答什么
- 识别异常大宗成交
- 计算相对收盘价折溢价
- 跟踪大额交易后续表现
DATASET · flow
flow.block_trade
按证券和交易日记录大宗交易价格、数量、金额及折溢价等信息,反映盘外大额成交活动。
trade_dateWHAT IT ANSWERS
GRAIN & TIME
KEY FIELDS
instrument_idtrade_dateRECOMMENDED JOINS
ref.instrumenton instrument_id用 instrument_id 补充证券代码、名称、市场、交易所和资产类型。
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,该表不提供稳定 cursor,结果过大时必须缩小标的、日期或其他筛选。
MACHINE CONTRACT
trade_date, code, market—canonical_final_activecode→ code · stringmarket→ market · stringsource→ source · 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/flow/block_trade/rows?limit=100&code=NNNNNN.SH+or+NNNNNN.SZ&start=2026-08-01&end=2026-08-01"from friends_data_api import FriendsDataClient, Settings
async with FriendsDataClient(Settings.from_env()) as client:
page = await client.get_dataset_rows('flow', 'block_trade', limit=100, start='2026-08-01', end='2026-08-01', filters={'code': 'NNNNNN.SH or NNNNNN.SZ'})
print(page.data)
if page.has_more:
print("next cursor:", page.next_cursor)friends-data get-dataset-rows flow block_trade --limit 100 --start 2026-08-01 --end 2026-08-01 --filter code=NNNNNN.SH or NNNNNN.SZ{
"arguments": {
"dataset": "block_trade",
"end": "2026-08-01",
"filters": {
"code": "NNNNNN.SH or NNNNNN.SZ"
},
"limit": 100,
"namespace": "flow",
"start": "2026-08-01"
},
"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 | trade_datedate | Date | string / date | no | time, default_order, warehouse_primary_key | Trading-session date in the dataset's market calendar.标准术语表 |
| 2 | code | String | string | no | filter, default_order, warehouse_primary_key | Source-normalized security or contract code.标准术语表 |
| 3 | market | LowCardinality(String) | string | no | filter, default_order, warehouse_primary_key | Canonical market or country-market code.标准术语表 |
| 4 | instrument_id | Nullable(UInt64) | integer | yes | value | WarrenHub canonical instrument identifier; use it for cross-dataset joins.标准术语表 |
| 5 | price | Nullable(Float64) | number | yes | value | Source-normalized field: price.名称推导 |
| 6 | volume | Nullable(Float64) | number | yes | value | Traded volume for the represented interval.标准术语表 |
| 7 | amount | Nullable(Float64) | number | yes | value | Traded notional or source-reported amount.标准术语表 |
| 8 | buyer | String | string | no | value | Source-normalized field: buyer.名称推导 |
| 9 | seller | String | string | no | value | Source-normalized field: seller.名称推导 |
| 10 | source | LowCardinality(String) | string | no | filter, provenance | Normalized upstream source identifier.标准术语表 |
| 11 | publish_tsUTC_datetime | Nullable(DateTime64(3, 'UTC')) | string / date-time | yes | provenance | UTC point-in-time availability timestamp used by PIT reads.标准术语表 |
| 12 | source_tsUTC_datetime | Nullable(DateTime64(3, 'UTC')) | string / date-time | yes | provenance | Timestamp asserted by the upstream source.标准术语表 |
| 13 | 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 |
| 14 | version_tsUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | provenance | UTC timestamp associated with the row version.标准术语表 |
| 15 | provider | LowCardinality(String) | string | no | provenance | Upstream data provider identifier.标准术语表 |
| 16 | source_url | String | string | no | provenance | URL of the upstream evidence or record when distributable.标准术语表 |
| 17 | source_record_id | String | string | no | warehouse_primary_key, provenance | Provider-side identifier for the source record.标准术语表 |
| 18 | raw_payload_hash | String | string | no | provenance | Opaque fingerprint of the normalized source payload for provenance checks.标准术语表 |
| 19 | parser_version | LowCardinality(String) | string | no | provenance | Version of the parser or normalizer that produced the row.标准术语表 |
| 20 | quality_status | LowCardinality(String) | string | no | provenance | Machine-readable data-quality classification.标准术语表 |
| 21 | license_scope | LowCardinality(String) | string | no | provenance | License or redistribution scope attached to the row.标准术语表 |
| 22 | visibility_tier | LowCardinality(String) | string | no | provenance | Serving visibility tier attached to the row.标准术语表 |
| 23 | ingest_run_id | String | string | no | provenance | Identifier of the ingestion run that produced the row.标准术语表 |
| 24 | version | UInt64 | integer | no | provenance | Monotonic row version used for correction-aware reads.标准术语表 |
| 25 | is_deleted | UInt8 | integer | no | value | Soft-delete marker; public serving excludes current tombstones.标准术语表 |
| 26 | created_atUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | value | UTC timestamp when the warehouse row was first created.标准术语表 |
| 27 | updated_atUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | value | UTC timestamp when the warehouse row was last updated.标准术语表 |
| 28 | publish_ts_source | LowCardinality(String) | string | no | value | Source-normalized field: publish ts source.名称推导 |
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。