Correlation, beta, R-squared and alpha of one return or price series against ano
Correlation, beta, R-squared and alpha of one return or price series against another you supply. Not advice.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
1045 msmedian answer time
$0.02listed price per call
$0.02price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://portfolio-stats.x402tookit.com/correlation-beta
| Category | Market data |
|---|---|
| Provider host | portfolio-stats.x402tookit.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | valid payment request | 402 | $0.02 | 1045 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"a": "[0.012,-0.008,0.02,0.005,-0.015,0.01]",
"b": "[0.01,-0.005,0.015,0.004,-0.01,0.006]",
"kind": "returns"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"a": {
"description": "Asset series, oldest first, JSON like [0.01,-0.02,0.03] or 0.01,-0.02,0.03",
"type": "string"
},
"b": {
"description": "Benchmark series, same length as a",
"type": "string"
},
"kind": {
"description": "returns (default) or prices: what a and b contain",
"type": "string"
},
"periodsPerYear": {
"description": "Periods per year for annualising alpha (default 252)",
"type": "integer"
},
"unit": {
"description": "decimal (default) or percent; applies when kind is returns",
"type": "string"
}
},
"required": [
"a",
"b"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"alphaAnnualizedSimplePct": {
"type": [
"null",
"number"
]
},
"alphaPerPeriod": {
"type": [
"null",
"number"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"beta": {
"type": [
"null",
"number"
]
},
"correlation": {
"type": [
"null",
"number"
]
},
"covariance": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"educationalOnly": {
"type": [
"null",
"string"
]
},
"inputKind": {
"type": [
"null",
"string"
]
},
"lowSample": {
"type": [
"boolean",
"null"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"observations": {
"type": [
"null",
"number"
]
},
"rSquared": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"volatilityAPeriod": {
"type": [
"null",
"number"
]
},
"volatilityBPeriod": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}