What it returns
Every trading halt and Limit Up-Limit Down pause on US-listed stocks, from Nasdaq Trader's official halt records, which cover all US listing markets.
Each halt includes the symbol, issue name, market, reason code and plain-English reason, **halt time**, pause threshold price, and **resumption quote and trade times**. All times are in New York time.
Common uses
Catch news-pending (T1) and regulatory halts as they happen. Explain sudden price gaps and volatility in backtests. Study LULD pause frequency by ticker or by day.
Request
POST https://api.pushbuild.com/us-trading-halts/run with a JSON body. Send your key in the X-API-Key header.
| Field | Type | Description |
|---|---|---|
dateFrom | string | YYYY-MM-DD. Default: today. |
dateTo | string | YYYY-MM-DD. Default: today. |
symbols | list of strings | Only these tickers. Leave empty for all. |
reasonCodes | list of strings | e.g. T1 (news pending), T12 (info requested), H10 (SEC suspension), LUDP (LULD pause), MWC1 (circuit breaker). |
markets | list of strings | e.g. NASDAQ, NYSE, NYSE American, NYSE Arca, CBOE BZX. |
excludeLuld | boolean | Drop LULD and volatility pauses to keep only regulatory and news halts. Default: false. |
sort | string: newest, oldest | Order by halt time. Default: "newest". |
maxItems | integer | Maximum items to return (1-500). Default: 100. |
Example
curl -X POST https://api.pushbuild.com/us-trading-halts/run \
-H "X-API-Key: YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"maxItems": 20}'Response
{"count": 20, "truncated": false, "seconds": 1.4, "items": [ { ... } ]}Each call returns up to 500 items. Records that fail validation or are not found are flagged in the items and not charged.
Pricing
Pay only for results returned: $0.24 per 1,000 halts. No charge for errors or empty searches.
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