Last updated: 2026-05-16
Data Sources and License Notice
Source ownership, data reuse limits, trademarks, and licensing risks.
Key summary
- TapeFlow is not an exchange or licensed market-data vendor.
- Market data, index names, company names, trademarks, and source links remain the property of their respective owners.
- Bulk extraction, redistribution, resale, or commercial reuse may require separate permission from the original source.
1. Current sources
- KRX for Korean market and flow data.
- KOFIA FreeSIS for Korean margin-credit balances.
- Stooq for indexes, FX, commodities, and some historical data.
- Cboe for VIX history.
- Naver Finance for Korean stock radar data.
- TradingView Screener for U.S. stock radar data.
- Supabase, Cloudflare, and Google AdSense for storage, hosting, CDN, security, and ads.
2. Reuse limits
- Normalization by TapeFlow does not remove the original data owner's restrictions.
- Users should not copy TapeFlow data into a competing product, paid dataset, report feed, or automated trading system without checking source rights.
- Source names are used for identification and do not imply affiliation, sponsorship, or endorsement.
3. Operating risks
- External providers can change data formats, access methods, coverage, and terms, which may delay or remove some data.
- Data that requires an official license must not be redistributed or commercially reused without the source provider's permission.
- Source labels and links are provided so users can verify original materials.
Revision history
Pre-deployment legal baseline
Version 2026-05-16.1 · 2026-05-16
Prepared the Privacy Policy, Terms of Use, Data and Investment Risk Disclosure, Data Sources and License Notice, and Contact page as the deployment baseline.