Sector Momentum — 11 GICS sectors + themes ranked by ETF momentum, with leader names. HOW TO CALL: GET /api/sectors/m

Sector Momentum — 11 GICS sectors + themes ranked by ETF momentum, with leader names. HOW TO CALL: GET /api/sectors/momentum?lookback=60 PARAMETERS: lookback — momentum window in trading days, 20–250 (default 60) RESPONSE: sectors[] ranked hottest-first, each with momentum, trend, breadth, leaders[]. PRICING: $0.05 per call.