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Capital Flows

Day-trading suspension

Stocks suspended from same-day (cash) day trading, sourced from the official TWSE announcement — suspension window and reason.

ReferenceSource: TWSE·Plan: pro·Cost: 2 credits·GET /v2/datasets/day-trading-suspension

Overview

day-trading-suspension returns one row per stock per suspension event from the official TWSE day-trading suspension announcement, with the suspension window and reason. Each row carries its source role so an entry is traceable to the official notice. This endpoint is a preview surface — coverage is currently partial and served as a snapshot rather than a fully backfilled history.

FieldTypeDescription
symbolstringTicker.
suspension_startstringFirst date day trading is suspended.
suspension_endstringLast date of the suspension.
reasonstringNormalized suspension reason code.
source_rolestringCanonical source role (official_twse_day_trading_suspension).

Coverage

Rows38
Window2026-06-03 – 2026-06-09
GradeReference

Example response

A real response from this endpoint. Rows are returned under "data", and provenance is carried in the shape shown below — it is not identical across datasets, so read this page's rather than assuming another's.

{  "api_version": "v2",  "dataset": "day_trading_suspension",  "dataset_version": "v2.0.0-preview",  "release_version": "v2.2026-06-09.preview",  "release_date": "2026-06-09",  "data_as_of": "2026-06-09",  "request_context": {    "ticker": "TWSE",    "as_of_date": "2026-06-09",    "family": "market_structure_corporate_actions",    "field_group_type": "canonical",    "dataset_view": "day_trading_suspension_v1",    "source_table": "day_trading_suspension_items",    "scope": "day_trading_suspension_twse_current_snapshot_only",    "coverage_type": "twse_current_snapshot_reference",    "snapshot_mode": "current_snapshot_only",    "supported_filter_fields": [      "market",      "ticker",      "date_from"    ],    "market_filter": "TWSE",    "ticker_filter": null,    "date_range": {      "date_from": null,      "date_to": null    }  },  "data": [    {      "ticker": "1218",      "market": "TWSE",      "security_name": "<Chinese value - see the zh page>",      "suspension_start_date": "2026-06-09",      "suspension_end_date": "2026-06-15",      "event_indicator": "<Chinese value - see the zh page>",      "event_name": "TWSE current day-trading suspension",      "source_family": "twse_current_day_trading_suspension",      "lineage": {        "endpoint": "https://www.twse.com.tw/exchangeReport/TWTBAU2",        "source_role": "official_current_list",        "source_title": "<Chinese value - see the zh page>",        "source_family": "twse_current_day_trading_suspension",        "request_params": {          "date": "20260609",          "response": "json"        },        "source_provider": "twse_openapi"      },      "data_gaps": [],      "not_investment_advice": true    },    {      "ticker": "1776",      "market": "TWSE",      "security_name": "<Chinese value - see the zh page>",      "suspension_start_date": "2026-06-09",      "suspension_end_date": "2026-06-15",      "event_indicator": "<Chinese value - see the zh page>",      "event_name": "TWSE current day-trading suspension",      "source_family": "twse_current_day_trading_suspension",      "lineage": {        "endpoint": "https://www.twse.com.tw/exchangeReport/TWTBAU2",        "source_role": "official_current_list",        "source_title": "<Chinese value - see the zh page>",        "source_family": "twse_current_day_trading_suspension",        "request_params": {          "date": "20260609",          "response": "json"        },        "source_provider": "twse_openapi"      },      "data_gaps": [],      "not_investment_advice": true    }  ],  "quality": {    "freshness_state": "fresh",    "freshness_as_of": "2026-06-09",    "completeness_ratio": 1,    "quality_status": "ready",    "ticker_count": 38  },  "lineage": {    "source_role": "canonical",    "selected_source": "day_trading_suspension",    "fallback_chain": [],    "policy_notes": [      "official/public-first canonical",      "TWSE current snapshot only",      "no historical completeness claim"    ],    "source_families": [      "twse_current_day_trading_suspension"    ]  },  "error": {    "error_code": null,    "error_message": null,    "dataset": "day_trading_suspension",    "request_id": "read-api-20260609",    "blocking_gate": null  },  "dataset_id": "day_trading_suspension",  "data_count": 38,  "known_gaps": [    "twse_only_scope",    "no_tpex_coverage",    "no_historical_completeness"  ],  "warnings": [    "not_investment_advice",    "twse_only_scope"  ],  "not_investment_advice": true}

Captured from the live API on 2026-07-20.

Chinese data values are shown as a marker here so this page stays in English; the /zh page shows them verbatim.

Getting started

  1. Put your key in the X-API-Key header.
  2. Add query parameters (symbol, date range, limit).
  3. Send the request and read the data array.
curl "https://api.twmarketdata.com/v2/datasets/day-trading-suspension?symbol=2330" \  -H "X-API-Key: sk_live_..."

Filtering

ParameterRequiredTypeDescription
symbolYesstringTicker, e.g. 2330.
start_dateNostring (YYYY-MM-DD)Start of the query range.
end_dateNostring (YYYY-MM-DD)End of the query range.
limitNointegerMaximum rows to return.

Python

A first call:

import requests resp = requests.get(    "https://api.twmarketdata.com/v2/datasets/day-trading-suspension",    params={"symbol": "2330"},    headers={"X-API-Key": "sk_live_..."},)resp.raise_for_status()print(resp.json()["data"])

With a date-range filter:

import requests # The full verified example — the same call with every supported filter set.resp = requests.get(    "https://api.twmarketdata.com/v2/datasets/day-trading-suspension",    params={"symbol": "2330"},    headers={"X-API-Key": "sk_live_..."},)resp.raise_for_status()for row in resp.json()["data"]:    print(row)

OpenAPI

This endpoint is GET /v2/datasets/day-trading-suspension. The full machine-readable schema (parameters, security, response envelope) lives in the OpenAPI spec.

Notes & limitations

  • Preview grade: coverage is partial and served as a snapshot, not a fully backfilled history — the example symbol is illustrative and does not assert 2330 was actually suspended.

Request & Response

Request

curl "https://api.twmarketdata.com/v2/datasets/day-trading-suspension?symbol=2330&start_date=2026-01-01&end_date=2026-06-30&limit=5" \  -H "X-API-Key: $TWMD_API_KEY"

Authenticate with the X-API-Key header, using a sk_live_ key issued in the dashboard.

Response

JSON
{  "api_version": "v2",  "dataset": "day_trading_suspension",  "dataset_version": "v2.0.0-preview",  "release_version": "v2.2026-06-09.preview",  "release_date": "2026-06-09",  "data_as_of": "2026-06-09",  "request_context": {    "ticker": "TWSE",    "as_of_date": "2026-06-09",    "family": "market_structure_corporate_actions",    "field_group_type": "canonical",    "dataset_view": "day_trading_suspension_v1",    "source_table": "day_trading_suspension_items",    "scope": "day_trading_suspension_twse_current_snapshot_only",    "coverage_type": "twse_current_snapshot_reference",    "snapshot_mode": "current_snapshot_only",    "supported_filter_fields": [      "market",      "ticker",      "date_from"    ],    "market_filter": "TWSE",    "ticker_filter": null,    "date_range": {      "date_from": null,      "date_to": null    }  },  "data": [    {      "ticker": "1218",      "market": "TWSE",      "security_name": "<Chinese value - see the zh page>",      "suspension_start_date": "2026-06-09",      "suspension_end_date": "2026-06-15",      "event_indicator": "<Chinese value - see the zh page>",      "event_name": "TWSE current day-trading suspension",      "source_family": "twse_current_day_trading_suspension",      "lineage": {        "endpoint": "https://www.twse.com.tw/exchangeReport/TWTBAU2",        "source_role": "official_current_list",        "source_title": "<Chinese value - see the zh page>",        "source_family": "twse_current_day_trading_suspension",        "request_params": {          "date": "20260609",          "response": "json"        },        "source_provider": "twse_openapi"      },      "data_gaps": [],      "not_investment_advice": true    },    {      "ticker": "1776",      "market": "TWSE",      "security_name": "<Chinese value - see the zh page>",      "suspension_start_date": "2026-06-09",      "suspension_end_date": "2026-06-15",      "event_indicator": "<Chinese value - see the zh page>",      "event_name": "TWSE current day-trading suspension",      "source_family": "twse_current_day_trading_suspension",      "lineage": {        "endpoint": "https://www.twse.com.tw/exchangeReport/TWTBAU2",        "source_role": "official_current_list",        "source_title": "<Chinese value - see the zh page>",        "source_family": "twse_current_day_trading_suspension",        "request_params": {          "date": "20260609",          "response": "json"        },        "source_provider": "twse_openapi"      },      "data_gaps": [],      "not_investment_advice": true    }  ],  "quality": {    "freshness_state": "fresh",    "freshness_as_of": "2026-06-09",    "completeness_ratio": 1,    "quality_status": "ready",    "ticker_count": 38  },  "lineage": {    "source_role": "canonical",    "selected_source": "day_trading_suspension",    "fallback_chain": [],    "policy_notes": [      "official/public-first canonical",      "TWSE current snapshot only",      "no historical completeness claim"    ],    "source_families": [      "twse_current_day_trading_suspension"    ]  },  "error": {    "error_code": null,    "error_message": null,    "dataset": "day_trading_suspension",    "request_id": "read-api-20260609",    "blocking_gate": null  },  "dataset_id": "day_trading_suspension",  "data_count": 38,  "known_gaps": [    "twse_only_scope",    "no_tpex_coverage",    "no_historical_completeness"  ],  "warnings": [    "not_investment_advice",    "twse_only_scope"  ],  "not_investment_advice": true}

Captured from a real call to this endpoint — not written by hand.

This dataset returns its rows under "data". The envelope differs between datasets, so read this one rather than reusing another page's shape.

The grade badge on this page is a documentation classification, not a response field.