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#Data Sources
20 OctTue
  1. arXiv q-fin40

    AuDQ: enabling auditable data quality through agentic rule discovery

    AuDQ, an auditable data quality layer for high-risk tabular data pipelines, proposes an ontology-driven, warehouse-native design vision that treats data quality rules as first-class artifacts, supporting version control, governance text traceability, and immutable execution trajectory replay. Its agentic rule discovery core includes both fully autonomous and guided rule acquisition modes, along with human-machine collaborative review interfaces, and has completed preliminary validation experiments on real-world datasets from the finance and retail industries.

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9 OctFri
1 OctThu
  1. Federal Reserve: Speeches48

    Waller: The Data Version of Godzilla x Kong — FRED vs. AI

    Federal Reserve Governor Christopher Waller reviewed the history of FRED in a speech, calling it the most valuable public good built by the Federal Reserve. FRED now hosts over 850,000 data series and reached 18 million unique users in 2025. He also noted that AI introduces risks such as incorrect data citations and interpretive bias. FRED traffic is currently growing at an annual rate of 150%, with roughly half of visits coming from AI agents. FRED has launched the FRED MCP Connector, allowing users to retrieve data through their preferred AI agents.

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30 SeptWed
  1. AKShare：GitHub Releases39

    AKShare v1.19.1 Released

    AKShare v1.19.1 has been released, fixing issues with the SHFE and GFEX warehouse receipt daily report interfaces and optimizing the DCE warehouse receipt daily report anti-crawler error handling logic. Since 2025-11-18, SHFE has discontinued its original warehouse receipt daily report data files; this version adapts to the new web-based data source, supports multiple column order and merged cell formats, and applies separate parsing logic for old and new dates.

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  2. OpenBB：GitHub Releases60

    OpenBB V5 Released: License Changed to Apache-2.0, Core, CLI, and Most Providers Upgraded to 2.0

    OpenBB has released the V5 major version line. The openbb meta-package is at 5.0.0, while the core, CLI, API, MCP server, router, and most providers are at 2.0.0. openbb-devtools is at 2.0.1, openbb-charting is at 4.0.0, and openbb-imf is at 3.0.0.

    Key Takeaways:OpenBB V5 changes the license to Apache-2.0 and migrates to hatchling/uv packaging, a layered openbb.toml configuration, and a CLI 2.0 spec file mechanism. These changes can be used to evaluate upgrade paths and available data sources.

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20 SeptSun
  1. AKShare：GitHub Releases20

    AKShare v1.18.97 Released

    AKShare v1.18.97 is officially released. This update fixes the column misalignment issue in the stock_report_fund_hold interface caused by changed field order in East Money's responses, switching to field name mapping for data extraction. A 15-second request timeout is also set for the interface to prevent process blocking when upstream services are unresponsive, with the interface documentation, changelog, and documentation update time synchronized.

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17 SeptThu
  1. English translation is being prepared.44

    futu-api 10.11.7108 Released

    futu-api 10.11.7108 has been published on PyPI, supporting Python 2.7 and Python 3.x. It can be installed via pip install futu-api. This open-source project provides market data and trading interfaces in Python and Json/Protobuf protocols. Before running, users must start the FutuOpenD gateway client. The installation package includes sample strategy files for reference and learning.

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27 AugThu
  1. yfinance：GitHub Releases20

    yfinance 1.7.0 Released

    yfinance 1.7.0 has been released, with the core update being that history_metadata now supports lazy loading of tradingPeriods. This version also fixes stock split price adjustment issues in proxy scenarios. The full changelog is available in commit #2959, and this update was contributed by amosli.

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13 AugThu
  1. yfinance：GitHub Releases21

    yfinance 1.6.0 Released

    yfinance 1.6.0 has been officially released. Key updates include improved price repair functionality, a small number of new fields added to balance sheets and screeners, and fixes for several minor issues. The full changelog for this version is available in record #2935, with multiple contributors participating in its development.

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24 JulFri
16 JulThu
  1. Aswath Damodaran：Musings on Markets75

    Aswath Damodaran releases 2026 edition of country risk research: drivers, measurement and investment implications

    Aswath Damodaran, Professor at New York University Stern School of Business, released the July 2026 edition of his country risk research, systematically outlining the drivers, measurement methods, and impact on corporate valuation and investment.

    Key Takeaways:You can learn the complete process of deriving country risk premiums for each country starting from the implied equity risk premium of mature markets, combined with sovereign ratings, default spreads, and relative volatility between stocks and bonds.

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15 JulWed