Get aggregated financial news sentiment for a single stock ticker over a rolling time window. Returns an -1 to +1 average score, confidence, article count, bullish/neutral/bearish distribution, and up to 3 latest articles with one-line rationale each. Sources: Reuters, Bloomberg, Yahoo Finance (English) + 經濟日報, 工商時報, Anue 鉅亨 (Traditional Chinese). Useful for: gauging market mood before opening a position, monitoring sentiment shifts post-earnings, explaining unusual price moves with news context.

Get sentiment for multiple tickers in one call. More efficient than calling get_sentiment N times when you have a watchlist. Each ticker counts as one request against the daily rate limit (so 10 tickers = 10 requests billed). latest_3 articles are omitted from each result to keep the response small — call get_sentiment for the full payload on any specific ticker.

Compare English vs Traditional Chinese news sentiment for a ticker side-by-side, plus a divergence score. Designed for cross-market arbitrage signal detection — US press (Reuters/Bloomberg) often leads Taiwan/Asia press by hours. A large divergence (|divergence| > 0.3) often precedes mood shifts on Asia-listed semis or US names with strong TW supply chain exposure. Returns: english + chinese aggregates (article_count, average_score, confidence, distribution) and divergence = english.average_score - chinese.average_score. Positive divergence = English more bullish; negative = Chinese more bullish.