> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ngnmarket.com/llms.txt
> Use this file to discover all available pages before exploring further.
# YTD Performers
> Retrieve the best or worst performing NGX stocks year-to-date, with start price, current price, and percentage return.
The YTD performers endpoint ranks NGX-listed stocks by their year-to-date return, calculated from the first available trading day of the year through to the most recent session.
You can request the best performers, the worst performers, or both together. Each entry includes the year-start price and date, the current closing price, and the total percentage return for the year so far. Historical years are also supported via the `year` parameter, making this endpoint useful for annual reviews as well as live tracking.
For example, to pull the 20 worst performers of 2025:
```bash curl theme={null}
curl "https://api.ngnmarket.com/v1/market/ytd-performers?type=worst&year=2025&limit=20" \
-H "Authorization: Bearer ngm_live_YOUR_KEY"
```
```javascript JavaScript theme={null}
const url = new URL('https://api.ngnmarket.com/v1/market/ytd-performers');
url.searchParams.set('type', 'worst');
url.searchParams.set('year', '2025');
url.searchParams.set('limit', '20');
const res = await fetch(url, {
headers: { Authorization: 'Bearer ngm_live_YOUR_KEY' },
});
const { data } = await res.json();
```
```python Python theme={null}
import requests
res = requests.get(
'https://api.ngnmarket.com/v1/market/ytd-performers',
params={'type': 'worst', 'year': 2025, 'limit': 20},
headers={'Authorization': 'Bearer ngm_live_YOUR_KEY'},
)
data = res.json()['data']
```
## OpenAPI
````yaml GET /market/ytd-performers
openapi: 3.1.0
info:
title: NGN Market API
version: '1.0'
description: >
The NGN Market API provides programmatic access to Nigerian Exchange Group
(NGX) market data, including equities, forex rates, company profiles,
indices, bonds, and financial news.
## Base URL
All endpoints are served from:
```
https://api.ngnmarket.com/v1
```
## Authentication
Every request requires a Bearer token in the `Authorization` header:
```
Authorization: Bearer ngm_live_YOUR_KEY
```
Generate and manage your API keys from the [developer
dashboard](https://ngnmarket.com/developer).
## Plans & Quotas
| Plan | Monthly Calls | Requests/min | Price |
| :--- | ---: | ---: | :--- |
| Free | 3,000 | 30 | Free |
| Hobby | 10,000 | 60 | ₦15,000/mo |
| Starter | 100,000 | 120 | ₦50,000/mo |
| Growth | 500,000 | 200 | ₦200,000/mo |
| Business | 2,000,000 | 300 | ₦700,000/mo |
| Enterprise | Unlimited | Unlimited | Custom |
Every response includes a `meta` object showing your current usage and
remaining quota. Exceeding the per-minute rate limit returns `429
RATE_LIMITED`. Exceeding the monthly quota returns `429 QUOTA_EXCEEDED`.
## Response Envelope
All responses use a consistent JSON envelope:
```json
{
"success": true,
"data": { ... },
"meta": {
"plan": "starter",
"calls_used": 4821,
"calls_remaining": 95179,
"reset_at": "2026-05-01T00:00:00.000Z"
}
}
```
contact:
name: NGN Market Support
email: support@ngnmarket.com
url: https://ngnmarket.com
license:
name: Proprietary
servers:
- url: https://api.ngnmarket.com/v1
description: Production
security:
- BearerAuth: []
tags:
- name: Market
description: >-
Daily market snapshots, top trades, movers, market breadth, sectors, and
YTD performers.
- name: Companies
description: >-
Browse, search, and retrieve profiles, price charts, and financial
statements for NGX-listed companies.
- name: Forex
description: Current and historical NGN exchange rates against major currencies.
- name: Indices
description: >-
All NGX market indices, including list, detail with constituents, and
historical chart data.
- name: ETFs
description: >-
NGX-listed Exchange Traded Funds and ETPs — list, full fund detail, and
historical daily price data.
- name: Bonds
description: >-
NGX-listed bond instruments with issuer details, coupon rates, and
maturity dates.
- name: Disclosures
description: >-
Official corporate filings from NGX-listed companies (financial
statements, AGM notices, board meetings, director dealings, earnings
forecasts). Sourced from NGX Group and updated twice daily.
- name: Blog
description: >-
Published NGN Market blog posts. List, search, and filter by category or
company.
- name: Dividends
description: >-
Market-wide NGX dividend calendar. Browse upcoming and recently paid
dividends across all listed companies with optional search and pagination.
- name: Account
description: >-
Quota status, 30-day request analytics, and paginated request logs for the
authenticated user.
paths:
/market/ytd-performers:
get:
tags:
- Market
summary: Year-to-date stock returns
description: >
Ranks NGX-listed stocks by their year-to-date return, from the first
available trading day of the year through the most recent session.
Request the best performers, worst performers, or both. Historical years
are supported via the `year` parameter.
**Plan required:** Growth
operationId: getYTDPerformers
parameters:
- name: type
in: query
description: Performance direction to return. Defaults to `best`.
required: false
schema:
type: string
enum:
- best
- worst
default: best
- name: limit
in: query
description: Number of stocks to return. Maximum `30`.
required: false
schema:
type: integer
minimum: 1
maximum: 30
default: 10
- name: year
in: query
description: >-
Calendar year to evaluate (e.g. `2025`). Defaults to the current
year. Provide a past year to query historical annual performance.
required: false
schema:
type: integer
example: 2026
responses:
'200':
description: YTD performers retrieved successfully.
content:
application/json:
schema:
allOf:
- $ref: '#/components/schemas/SuccessEnvelope'
- type: object
properties:
data:
$ref: '#/components/schemas/YTDPerformers'
examples:
bestPerformers:
summary: Top 2 best YTD performers
value:
success: true
data:
type: best
year: 2026
is_past_year: false
year_start_date: '2026-01-02'
total: 2
data:
- symbol: OKOMUOIL
company_name: Okomu Oil Palm
sector: Agriculture
year_start_price: 275
year_start_date: '2026-01-02'
current_price: 400.7
end_date: '2026-04-17'
ytd_pct: 45.71
- symbol: DANGCEM
company_name: Dangote Cement
sector: Industrial Goods
year_start_price: 210
year_start_date: '2026-01-02'
current_price: 302.5
end_date: '2026-04-17'
ytd_pct: 44.05
meta:
plan: growth
calls_used: 212
calls_remaining: 499788
reset_at: '2026-05-01T00:00:00.000Z'
'401':
$ref: '#/components/responses/Unauthorized'
'403':
$ref: '#/components/responses/PlanRequired'
'429':
$ref: '#/components/responses/QuotaExceeded'
'500':
$ref: '#/components/responses/ServerError'
components:
schemas:
SuccessEnvelope:
type: object
required:
- success
properties:
success:
type: boolean
const: true
meta:
$ref: '#/components/schemas/Meta'
YTDPerformers:
type: object
properties:
type:
type: string
enum:
- best
- worst
year:
type: integer
isPastYear:
type: boolean
yearStartDate:
type: string
format: date
total:
type: integer
data:
type: array
items:
type: object
properties:
symbol:
type: string
company_name:
type: string
sector:
type: string
year_start_price:
type: number
year_start_date:
type: string
format: date
current_price:
type: number
end_date:
type: string
format: date
ytd_pct:
type: number
Meta:
type: object
description: Quota and plan metadata included on every authenticated response.
properties:
plan:
type: string
description: Current plan name.
enum:
- free
- starter
- growth
- business
- enterprise
example: starter
calls_used:
type: integer
description: Total calls made this calendar month across all your keys.
example: 4821
calls_remaining:
type: integer
description: Calls remaining before your quota is exhausted.
example: 95179
reset_at:
type: string
format: date-time
description: ISO 8601 UTC timestamp of your next quota reset (1st of next month).
example: '2026-05-01T00:00:00.000Z'
ErrorEnvelope:
type: object
required:
- success
- error
properties:
success:
type: boolean
const: false
error:
type: object
required:
- code
- message
properties:
code:
type: string
description: Machine-readable error identifier.
example: NOT_FOUND
message:
type: string
description: Human-readable error description.
example: Resource not found.
required_plan:
type: string
description: _(PLAN_REQUIRED only)_ Minimum plan needed.
current_plan:
type: string
description: _(PLAN_REQUIRED only)_ Your current plan.
responses:
Unauthorized:
description: Missing or invalid API key.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorEnvelope'
examples:
missingKey:
summary: Missing Authorization header
value:
success: false
error:
code: MISSING_API_KEY
message: 'Provide your API key via: Authorization: Bearer '
invalidKey:
summary: Invalid or revoked key
value:
success: false
error:
code: INVALID_API_KEY
message: API key not found or revoked.
PlanRequired:
description: Endpoint requires a higher plan.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorEnvelope'
example:
success: false
error:
code: PLAN_REQUIRED
message: This endpoint requires a starter plan or higher.
required_plan: starter
current_plan: free
QuotaExceeded:
description: Monthly call limit reached.
content:
application/json:
schema:
allOf:
- $ref: '#/components/schemas/ErrorEnvelope'
- type: object
properties:
meta:
$ref: '#/components/schemas/Meta'
example:
success: false
error:
code: QUOTA_EXCEEDED
message: >-
Monthly call limit of 100,000 reached. Resets on
2026-05-01T00:00:00.000Z.
meta:
plan: starter
calls_used: 100000
calls_remaining: 0
reset_at: '2026-05-01T00:00:00.000Z'
ServerError:
description: Unexpected server-side failure. Safe to retry with backoff.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorEnvelope'
example:
success: false
error:
code: SERVER_ERROR
message: Something went wrong on our end. Please try again.
securitySchemes:
BearerAuth:
type: http
scheme: bearer
bearerFormat: ngm_live_*
description: >
Pass your API key as a Bearer token: `Authorization: Bearer
ngm_live_YOUR_KEY`.
Generate keys at
[ngnmarket.com/dashboard/developer](https://ngnmarket.com/developer).
````