标记为 "Sentiment Analysis"
6 文章
Build a news sentiment trading signal that survives an honest backtest: entity-level sentiment, dedup, decay, z-score. Real API JSON, code, and caveats.
News sentiment analysis in Python: VADER vs FinBERT vs TextBlob on 200 real articles — agreement rates, title-vs-body flip, and a streaming loop.
Measure which stories outlets cover, how they frame them, and their tone toward people or topics. Includes code, metrics, and the limits of each method.
News API sentiment analysis in 2026: field comparison across 5 NLP vendors, real JSON diffs, DIY-vs-API tradeoff, and sentiment reliability notes.
Five financial news APIs scored on latency, ticker-tagging, sentiment, backtesting archive, and trading-event feeds. 2026 fintech-focused comparison.
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