API · /sectors-api

Stock Sectors API

healthy 4,815 Subscribers

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
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Machine-readable spec so AI agents can integrate this API.

/api/sectors-api/openapi.json
/api/sectors-api/llms.txt

Discovery: GET /api/index.json lists every API.

Stock Sectors API — live data on the oanor API marketplace

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
192 ms
Server probes · 24h
Subscribers
4,815
active
Total calls
57
last 7 days
status Full status page → · 9 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 10,000 calls / month
  • 4 requests / second
  • Hard cap (429 above quota, no overage)
  • 10k calls/month
  • 4 req/sec
  • All endpoints
  • No credit card
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Starter

€10.00 /month

  • 130,000 calls / month
  • 12 requests / second
  • Hard cap (429 above quota, no overage)
  • 130k calls/month
  • 12 req/sec
  • Email support
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Pro

€24.00 /month

  • 660,000 calls / month
  • 35 requests / second
  • Hard cap (429 above quota, no overage)
  • 660k calls/month
  • 35 req/sec
  • Priority support
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Desk

€59.00 /month

  • 3,400,000 calls / month
  • 100 requests / second
  • Hard cap (429 above quota, no overage)
  • 3.4M calls/month
  • 100 req/sec
  • Dedicated SLA
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Built by

Related APIs

Other APIs with overlapping tags.

B3 Brazil Stock Exchange API — oanor API marketplace

B3 Brazil Stock Exchange API

Live data from B3 (Brasil Bolsa Balcão), Latin America's largest stock exchange, with no key. Read the live snapshot for any ticker (close, day change, volume, market cap, sector); pull a sector-classified ranking of every listed stock, fund and BDR (by market cap or volume, filterable by sector and instrument type); list the B3 sectors and instrument types; and read the market indexes B3 tracks. The Brazil-equities / sector / market-cap-ranking layer for trading dashboards, screeners and fintech — distinct from other exchange readers, with a dedicated sector-classification cut. Live from the public brapi feed; short cache only.

api.oanor.com/b3-api

GDP by Sector API — oanor API marketplace

GDP by Sector API

Which parts of each economy are actually driving growth — real GDP growth broken down by economic sector, from the OECD's official Quarterly National Accounts as an API, live, no key. Headline GDP growth is one number, but it hides the story: whether the expansion is being carried by services, by industry, by construction or by agriculture, and which sector is dragging. Gross value added by economic activity decomposes real GDP into those sectors, so you can see, for any economy, that (say) services are growing while industry is in recession. It is the read economists and equity-sector investors use to understand the shape of the cycle, not just its size. The OECD harmonises and seasonally adjusts the real, chain-linked-volume figures so they are comparable across countries. This API computes the quarter-on-quarter and year-on-year growth of real gross value added in four sectors — services, industry (excluding construction), construction and agriculture. The country endpoint gives one economy's sector breakdown side by side and flags the leading and lagging sector. The services endpoint ranks every economy by services value-added growth (the largest sector in advanced economies); the industry endpoint ranks by industry value-added growth (the most cyclical). Each reading carries its own quarter and discontinued series are excluded, so the board is genuinely current. The sectoral-GDP / value-added cut — distinct from the headline GDP-growth board (the total), the monthly industrial-production index (a different measure, industry only), the annual IMF World Economic Outlook database, and the generic multi-provider data aggregator. Figures are quarterly, in percent.

api.oanor.com/gdpsector-api

Sector Rotation RRG (Relative Rotation Graph) API — oanor API marketplace

Sector Rotation RRG (Relative Rotation Graph) API

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

Relative Strength vs S&P 500 API — oanor API marketplace

Relative Strength vs S&P 500 API

Which markets are beating the benchmark and which are lagging, ranked, computed live from Yahoo Finance (no key, nothing stored). Relative strength is the engine of rotation: money flows toward what is outperforming, and the leaders of one quarter often lead the next. For a cross-asset, cross-sector universe — the eleven S&P 500 sectors plus small caps, international and emerging equities, gold, oil, commodities, bonds and crypto — this measures each asset's return MINUS the S&P 500's over one, three and six months, blends them into a relative-strength score, and ranks the whole board into leaders and laggards. A positive score means the asset is beating the market; a negative one means it is lagging. The ranking endpoint returns that ranked board with the benchmark's own return and the standout leaders and laggards. The asset endpoint returns one market's relative strength across each window, its beta to the S&P 500 and whether its relative strength is improving or fading. The universe endpoint lists what is covered. The relative-strength / market-leadership rotation cut — distinct from the absolute-momentum, the sector-correlation and the altcoin-season APIs. It answers what is leading the market, measured against it.

api.oanor.com/relativestrength-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Stock Sectors API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Stock Sectors API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Stock Sectors API?
Free tier allows 1 request per second. Paid plans scale up to 50 requests per second on the Mega tier. Hard limits return HTTP 429 above the quota — no surprise overage charges.
How much does Stock Sectors API cost?
Stock Sectors API has a free tier with 100 calls / month. Paid plans start at €10.00 / month with higher quotas and faster rate limits.
Can I cancel my subscription anytime?
Yes. Plans are billed monthly and you can cancel anytime from your billing dashboard. No long-term contracts and no cancellation fee.
Is Stock Sectors API GDPR-compliant?
All requests to Stock Sectors API go through our EU-based gateway. Your upstream API key never leaves our server and no personal data is shared with the upstream provider beyond the request you send.

Pick an endpoint from the list on the left to see its details and try it.

Code snippets

Sign up to get an API key, then call any path under your slug.

curl https://api.oanor.com/sectors-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/sectors-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/sectors-api/SOME_PATH");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
$response = curl_exec($ch);
import requests
r = requests.get(
    "https://api.oanor.com/sectors-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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