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.us_trading_halt_nasdaq
这是价格、成交、报价与衍生品行情中的“NASDAQ 停复牌状态”数据集;一行由 instrument_id、halt_ts、reason_code 定位,主要字段包括 code、issue_name、exchange、halt_date、pause_threshold_price。
ingested_atWHAT IT ANSWERS
GRAIN & TIME
KEY FIELDS
instrument_idhalt_tsreason_codeRECOMMENDED 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
instrument_id, halt_ts, reason_codeinstrument_id, halt_ts, reason_codecanonical_final_activecode→ code · stringexchange→ exchange · stringinstrument_id→ instrument_id · integerprovider→ provider · 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/market/us_trading_halt_nasdaq/rows?limit=100&code=AAPL"from friends_data_api import FriendsDataClient, Settings
async with FriendsDataClient(Settings.from_env()) as client:
page = await client.get_dataset_rows('market', 'us_trading_halt_nasdaq', limit=100, filters={'code': 'AAPL'})
print(page.data)
if page.has_more:
print("next cursor:", page.next_cursor)friends-data get-dataset-rows market us_trading_halt_nasdaq --limit 100 --filter code=AAPL{
"arguments": {
"dataset": "us_trading_halt_nasdaq",
"filters": {
"code": "AAPL"
},
"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 | instrument_id | UInt64 | integer | no | filter, default_order, warehouse_primary_key, contract_unique_key | WarrenHub canonical instrument identifier; use it for cross-dataset joins.标准术语表 |
| 2 | code | String | string | no | filter | Source-normalized security or contract code.标准术语表 |
| 3 | issue_name | String | string | no | value | Source-normalized field: issue name.名称推导 |
| 4 | exchange | LowCardinality(String) | string | no | filter | Listing or trading exchange.标准术语表 |
| 5 | halt_datedate | Date | string / date | no | value | Calendar date for halt date (YYYY-MM-DD).名称推导 |
| 6 | halt_tsUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | default_order, warehouse_primary_key, contract_unique_key | UTC timestamp for halt ts.名称推导 |
| 7 | reason_code | LowCardinality(String) | string | no | default_order, warehouse_primary_key, contract_unique_key | Source-normalized field: reason code.名称推导 |
| 8 | pause_threshold_price | Nullable(Float64) | number | yes | value | Price value for pause threshold price.名称推导 |
| 9 | resumption_datedate | Nullable(Date) | string / date | yes | value | Calendar date for resumption date (YYYY-MM-DD).名称推导 |
| 10 | resumption_quote_tsUTC_datetime | Nullable(DateTime64(3, 'UTC')) | string / date-time | yes | value | UTC timestamp for resumption quote ts.名称推导 |
| 11 | resumption_trade_tsUTC_datetime | Nullable(DateTime64(3, 'UTC')) | string / date-time | yes | value | UTC timestamp for resumption trade ts.名称推导 |
| 12 | source | LowCardinality(String) | string | no | filter, provenance | Normalized upstream source identifier.标准术语表 |
| 13 | ingested_atUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | time, provenance | UTC timestamp when the source record entered the warehouse.标准术语表 |
| 14 | version | UInt64 | integer | no | provenance | Monotonic row version used for correction-aware reads.标准术语表 |
| 15 | is_deleted | UInt8 | integer | no | value | Soft-delete marker; public serving excludes current tombstones.标准术语表 |
| 16 | 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 |
| 17 | provider | LowCardinality(String) | string | no | filter, provenance | Upstream data provider identifier.标准术语表 |
| 18 | source_url | String | string | no | provenance | URL of the upstream evidence or record when distributable.标准术语表 |
| 19 | source_record_id | String | string | no | provenance | Provider-side identifier for the source record.标准术语表 |
| 20 | raw_payload_hash | String | string | no | provenance | Opaque fingerprint of the normalized source payload for provenance checks.标准术语表 |
| 21 | parser_version | LowCardinality(String) | string | no | provenance | Version of the parser or normalizer that produced the row.标准术语表 |
| 22 | quality_status | LowCardinality(String) | string | no | provenance | Machine-readable data-quality classification.标准术语表 |
| 23 | license_scope | LowCardinality(String) | string | no | provenance | License or redistribution scope attached to the row.标准术语表 |
| 24 | visibility_tier | LowCardinality(String) | string | no | provenance | Serving visibility tier attached to the row.标准术语表 |
| 25 | ingest_run_id | String | string | no | provenance | Identifier of the ingestion run that produced 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。