WHAT IT ANSWERS
这张表适合回答什么
- 读取已完成的研究信号和市场状态
- 复盘信号随行情变化的结果
DATASET · research
research.fail_to_deliver_latest
这是已经产出的研究信号与市场状态中的“最新未按时交割数据”数据集;一行由 settlement_date、instrument_id 定位,主要字段包括 symbol、cusip、description、ftd_quantity、price。
settlement_dateWHAT IT ANSWERS
GRAIN & TIME
KEY FIELDS
settlement_dateinstrument_idRECOMMENDED 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。
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
settlement_date, instrument_idsettlement_date, instrument_idrelation_defaultinstrument_id→ instrument_id · integersymbol→ symbol · 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/research/fail_to_deliver_latest/rows?limit=100&instrument_id=1"from friends_data_api import FriendsDataClient, Settings
async with FriendsDataClient(Settings.from_env()) as client:
page = await client.get_dataset_rows('research', 'fail_to_deliver_latest', limit=100, filters={'instrument_id': 1})
print(page.data)
if page.has_more:
print("next cursor:", page.next_cursor)friends-data get-dataset-rows research fail_to_deliver_latest --limit 100 --filter instrument_id=1{
"arguments": {
"dataset": "fail_to_deliver_latest",
"filters": {
"instrument_id": 1
},
"limit": 100,
"namespace": "research"
},
"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 | instrument_id | UInt64 | integer | no | filter, default_order, contract_unique_key | WarrenHub canonical instrument identifier; use it for cross-dataset joins.标准术语表 |
| 2 | symbol | String | string | no | filter | Display or trading symbol for the instrument.标准术语表 |
| 3 | cusip | String | string | no | value | Source-normalized field: cusip.名称推导 |
| 4 | description | String | string | no | value | Human-readable description supplied or normalized from the source.标准术语表 |
| 5 | settlement_datedate | Date | string / date | no | time, default_order, contract_unique_key | Calendar date for settlement date (YYYY-MM-DD).名称推导 |
| 6 | ftd_quantity | UInt64 | integer | no | value | Source-normalized field: ftd quantity.名称推导 |
| 7 | price | Nullable(Float64) | number | yes | value | Source-normalized field: price.名称推导 |
| 8 | half_month_period | LowCardinality(String) | string | no | value | Source-normalized field: half month period.名称推导 |
| 9 | prev_ftd_quantity | UInt64 | integer | no | value | Source-normalized field: prev ftd quantity.名称推导 |
| 10 | prev_settlement_datedate | Date | string / date | no | value | Calendar date for prev settlement date (YYYY-MM-DD).名称推导 |
| 11 | ftd_change | Nullable(Int64) | integer | yes | value | Source-normalized field: ftd change.名称推导 |
| 12 | ftd_change_pctpercent | Nullable(Float64) | number | yes | value | Percentage value for ftd change pct.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。