#data-quality

Posts tagged 'data-quality'

Quant & Data Research
Part 2. What to Check Before Trusting Investment Data: Acquiring and Validating U.S. ETF Data
Plan access terms, price definitions, raw-data preservation, and quality checks before acquiring U.S. ETF data, including missing values and adjusted prices.
2026-09-14Building My Own Quant Research System · Part 2
#data-quality #etf #reproducibility
Quant & Data Research
Could You Have Known That Data at the Time? Data Traps to Check Before Running AI Investing Experiments
Audit historical data availability through adjusted prices, delistings, filing dates, revisions, and time zones, with an example of delayed closing-price signals.
2026-09-01Quant Investing and AI · Part 3
#data-leakage #data-quality

#data-quality · Forge Fate