Per-stock centrality (snapshot or rolling)

get

https://graph-api.skyliferesearch.com/v1/graph-stats/chart

Builds a correlation graph over a trailing window of candles and returns the
five centrality metrics per stock (data.type = "snapshot").

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These parameters are fixed

On the public docs the query parameters below are locked to a standard NIFTY-50
daily snapshot, so you can try the API instantly without configuring anything.

Want to change them? Pick your own symbols, intervals (1m–1w), graph methods,
historical as-of dates, rolling time series, or pull more data —
contact us to unlock full parameter access
and play around with everything.

Requires a Bearer JWT. Rate limited to 1 request/minute and 30 requests/day per user.

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Query Params

universe

string

enum

Defaults to nifty50

Stock universe. Fixed to the NIFTY-50 on public docs.

Allowed:

interval

string

enum

Defaults to 1d

Candle interval. Fixed to daily (1d) on public docs.

Allowed:

lookback

integer

enum

Defaults to 60

Bars in the trailing window. Fixed on public docs.

Allowed:

periods

integer

enum

Defaults to 1

1 = single snapshot. Fixed on public docs (rolling time series is a contact-to-unlock feature).

Allowed:

graph_method

string

enum

Defaults to knn

How the correlation matrix becomes a graph. Fixed to kNN on public docs.

Allowed:

knn_k

integer

enum

Defaults to 4

Nearest neighbours per node. Fixed on public docs.

Allowed:

corr_method

string

enum

Defaults to pearson

Correlation estimator. Fixed to Pearson on public docs.

Allowed:

metrics

string

enum

Defaults to degree_strength,eigenvector_centrality,betweenness_centrality,closeness_centrality,pagerank

The five centrality metrics. Fixed on public docs.

Allowed:

include_graph

boolean

enum

Defaults to true

Return the edge list + Louvain communities and modularity. Fixed on public docs.

Allowed:

Responses

200Success. The payload is a snapshot when periods=1 and a rolling time series when periods>1.

401Missing, malformed, or expired Bearer token.

429Rate limit exceeded — either the per-minute limit (RATE_LIMITED) or the daily quota (DAILY_QUOTA_EXCEEDED). Honour Retry-After before retrying.