#sector-rotation

Where each S&P 500 sector sits on the rotation map versus the market, computed live from Yahoo Finance (no key, nothing stored). The Relative Rotation Graph is how professional allocators visualise sector rotation: it plots each sector on two axes — relative strength (is it out- or under-performing the S&P 500) and relative momentum (is that relative strength improving or fading) — and the combination lands each sector in one of four quadrants that rotate clockwise over time: Leading (strong and getting stronger), Weakening (strong but losing steam), Lagging (weak and getting weaker) and Improving (weak but turning up). Money rotates Improving to Leading to Weakening to Lagging, so the quadrant tells you not just who is winning but who is next. This computes each of the eleven SPDR sectors' RS-Ratio and RS-Momentum against the S&P 500 and places it in its quadrant. The rrg endpoint returns the whole rotation map; the sector endpoint returns one sector's coordinates and quadrant; the sectors endpoint lists what is covered. The sector-rotation RRG / quadrant cut — distinct from the relative-strength ranking (a one-dimensional list), the sector price/performance feed and the correlation APIs. It shows the rotation, not just the ranking.

api.oanor.com/rrg-api

Live S&P 500 sector performance as an API — the sector-rotation picture traders watch, served from Yahoo Finance via the eleven SPDR sector ETFs. It returns each of the eleven GICS sectors — Technology, Financials, Energy, Health Care, Consumer Discretionary, Consumer Staples, Industrials, Materials, Utilities, Real Estate and Communication Services — with its tracking ETF's price, the day's change, the day's high and low, and the 52-week high and low. Pull the whole board ranked by the day's move, with the leading and lagging sectors called out, or look one sector up by name or ETF ticker. The sector-rotation and market-breadth layer for trading, macro-research and dashboard apps. Live, no key, no cache. Distinct from index-level, single-stock and cross-asset-ratio APIs — this is the equity-sector performance breakdown.

api.oanor.com/sectors-api