28d5cc661f
fix: add missing pandas import in y_finance.py ( #488 )
2026-04-04 07:14:10 +00:00
e1113880a1
fix: prevent look-ahead bias in backtesting data fetchers ( #475 )
2026-03-29 17:34:35 +00:00
7cca9c924e
fix: add exponential backoff retry for yfinance rate limits ( #426 )
2026-03-22 22:11:08 +00:00
b0f9d180f9
fix: harden stock data parsing against malformed CSV and NaN values
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Add _clean_dataframe() to normalize stock DataFrames before stockstats:
coerce invalid dates/prices, drop rows missing Close, fill price gaps.
Also add on_bad_lines="skip" to all cached CSV reads.
2026-03-15 18:29:43 +00:00
3d040f8da4
feat: add yfinance support to accommodate community request for stability and quota
2026-02-03 22:27:20 +00:00
7bb2941b07
optimized yfin fetching to be much faster
2025-10-06 19:58:01 -07:00
c07dcf026b
added fallbacks for tools
2025-10-03 22:40:09 -07:00
b01051b9f4
Switch default data vendor
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🤖 Generated with [Claude Code](https://claude.com/claude-code )
Co-Authored-By: Claude <noreply@anthropic.com>
2025-09-30 12:43:27 +08:00
Yijia-Xiao
Edward Sun
luohy15