Return and volatility of a two-asset mix from each asset's return, volatility an
Return and volatility of a two-asset mix from each asset's return, volatility and correlation, plus the lowest-risk weight.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
1482 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://invest-math.x402tookit.com/portfolio-risk
| Category | Everything else |
|---|---|
| Provider host | invest-math.x402tookit.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 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 | $0.02 | 1482 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"correlation": 0.2,
"returnAPct": 8,
"returnBPct": 4,
"volAPct": 16,
"volBPct": 6,
"weightA": 60
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"correlation": {
"description": "Correlation of A and B, -1 to 1",
"type": "number"
},
"returnAPct": {
"description": "Expected yearly return of A in percent",
"type": "number"
},
"returnBPct": {
"description": "Expected yearly return of B in percent",
"type": "number"
},
"volAPct": {
"description": "Yearly volatility of A in percent",
"type": "number"
},
"volBPct": {
"description": "Yearly volatility of B in percent",
"type": "number"
},
"weightA": {
"description": "Share of asset A in percent, 0 to 100 (B is the rest)",
"type": "number"
}
},
"required": [
"weightA",
"returnAPct",
"returnBPct",
"volAPct",
"volBPct",
"correlation"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"diversificationBenefitPts": {
"type": [
"null",
"number"
]
},
"expectedReturnPct": {
"type": [
"null",
"number"
]
},
"minVarianceVolPct": {
"type": [
"null",
"number"
]
},
"minVarianceWeightAPct": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"returnPerUnitRisk": {
"type": [
"null",
"number"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"volatilityPct": {
"type": [
"null",
"number"
]
},
"weightAPct": {
"type": [
"null",
"number"
]
},
"weightBPct": {
"type": [
"null",
"number"
]
},
"weightedAverageVolPct": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}