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New fetchers (no API keys required): - earnings_fetcher.py: yfinance EPS calendar + surprise tracking for 23 geo-relevant tickers - vx_fetcher.py: VIX term structure (^VIX/^VXV/^VXMT) + CBOE delayed futures, regime detection - central_bank_fetcher.py: Fed + ECB RSS feeds, keyword-based hawkish/dovish classification - sentiment_fetcher.py: CNN Fear & Greed (primary) + NAAIM + AAII (optional fallbacks) Wiring: - institutional_scheduler.py: all 4 now scheduled daily (≥08:00 UTC), deduplicated per day - institutional.py /refresh: all 6 types handled with _run() helper - ai_analyzer.py build_institutional_block(): limit 6→12, generic header text - InstitutionalReports.tsx: 6-type color map, individual refresh buttons, expanded filters Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>