Portfolio Beta Calculator API

Calculate weighted portfolio beta from individual stock betas and allocation percentages.

Dataoffline · HTTP 525eip155:8453Exactvia cdp
BetaPortfolioRiskVolatilityMarket
Activity
—
Nothing indexed for this service or its provider yet. Not a claim that it is unused — only that we hold no record.
$49.41
Verified settled volume
A floor: summed over 5,000 of up to 137,670 indexed settlements. The exact verified count is not computed for a wallet this size.
$0.0050
Listed price
As published in the catalog. Always read the live 402 before paying.
2
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-06-10 20:25Z
–
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x2bb72231EeD303cc91a462A1fA738b42B6a9ac6d

The wallet the 402 directs payment to. Its full payment record is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider

The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service; most of the catalog is unregistered.

Recent payments · which agents last used it

Every indexed settlement paid to this service’s wallet, newest first. The index does not record which endpoint a payment was for, so if this wallet serves more than one endpoint, the rows include payments for the others. Paged up to the newest 5,000; the full history is on the merchant page.

Payer PayeeChainAmountx402RouteAgeTxn hash
0xe4a9…036e0x2bb7…ac6dBaseBase$0.001100%coinbase140d ago0xadd92b…628a6b
0xe4a9…036e0x2bb7…ac6dBaseBase$0.001100%coinbase141d ago0xf2efb0…dda4bd
0x110c…2a460x2bb7…ac6dBaseBase$0.01100%coinbase141d ago0x2b3e24…5a9a7f
0x110c…2a460x2bb7…ac6dBaseBase$0.01100%coinbase141d ago0xb97dc2…97763d
0x110c…2a460x2bb7…ac6dBaseBase$0.01100%coinbase141d ago0xbd3c12…ba5d49
0x110c…2a460x2bb7…ac6dBaseBase$0.01100%coinbase141d ago0xefebdd…59577c
0x110c…2a460x2bb7…ac6dBaseBase$0.01100%coinbase141d ago0x15255f…c77603
0x110c…2a460x2bb7…ac6dBaseBase$0.01100%coinbase141d ago0x477571…c5afdb
0xbb5d…71a90x2bb7…ac6dBaseBase$0.01100%coinbase141d ago0x2635c3…e4afe8
0xbb5d…71a90x2bb7…ac6dBaseBase$0.008100%coinbase141d ago0x24fcad…610c0b
0xe4a9…036e0x2bb7…ac6dBaseBase$0.001100%coinbase141d ago0xfc185f…27d215
0xe4a9…036e0x2bb7…ac6dBaseBase$0.001100%coinbase141d ago0xf87eaa…6e3f28
0x358b…41c60x2bb7…ac6dBaseBase$0.01100%coinbase141d ago0xce778f…3cc1e1
0x358b…41c60x2bb7…ac6dBaseBase$0.01100%coinbase141d ago0xcbe54f…9e3be6
0xbb5d…71a90x2bb7…ac6dBaseBase$0.01100%coinbase141d ago0xc3b544…a721d5
0xbb5d…71a90x2bb7…ac6dBaseBase$0.008100%coinbase141d ago0x3be44c…fbd014
0xe202…77cd0x2bb7…ac6dBaseBase$0.008100%coinbase141d ago0x4d6cbf…4541f5
0xe202…77cd0x2bb7…ac6dBaseBase$0.008100%coinbase141d ago0xfeffca…98cb64
0xbb5d…71a90x2bb7…ac6dBaseBase$0.01100%coinbase142d ago0x6dbc94…ff735d
0xbb5d…71a90x2bb7…ac6dBaseBase$0.008100%coinbase142d ago0xa3e74b…bf8e4b
0x5832…74e80x2bb7…ac6dBaseBase$0.008100%coinbase142d ago0x05a02a…ac5d22
0x5832…74e80x2bb7…ac6dBaseBase$0.008100%coinbase142d ago0x4e837d…68d256
0x5832…74e80x2bb7…ac6dBaseBase$0.008100%coinbase142d ago0x01aed8…550389
0xaf5e…942d0x2bb7…ac6dBaseBase$0.008100%coinbase142d ago0xca3924…2b979d
0xaf5e…942d0x2bb7…ac6dBaseBase$0.008100%coinbase142d ago0xe28fbb…ca62c5

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying: a price here is a claim, not a quote.

0.005USDC≈ $0.005 USD
on Base · exact scheme

Pay 0.005 USDC on Base to 0x2bb7…9ac6d. The signed payment is good for 1 minute.

USD Coin contract
0x8335…02913
Payment window
1 minute
As published
5000 smallest units
Buys
Calculate weighted portfolio beta from individual stock betas and allocation percentages.
Returns
application/json
5000units
on solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Token contract
EPjFWd…TDt1v
Payment window
1 minute
Buys
Calculate weighted portfolio beta from individual stock betas and allocation percentages.
Returns
application/json
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x2bb72231EeD303cc91a462A1fA738b42B6a9ac6d",
    "amount": "5000",
    "scheme": "exact",
    "network": "eip155:8453",
    "mimeType": "application/json",
    "resource": {
      "url": "https://orbisapi.com/proxy/portfolio-beta-calculator-api-0ccef1"
    },
    "description": "Calculate weighted portfolio beta from individual stock betas and allocation percentages.",
    "maxTimeoutSeconds": 60
  },
  {
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "extra": {
      "feePayer": "GX6SKV6NahzGAocGs1uiAjFATUsdeEqT4dsEjwU6UrUE"
    },
    "payTo": "GX6SKV6NahzGAocGs1uiAjFATUsdeEqT4dsEjwU6UrUE",
    "amount": "5000",
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "mimeType": "application/json",
    "resource": {
      "url": "https://orbisapi.com/proxy/portfolio-beta-calculator-api-0ccef1"
    },
    "description": "Calculate weighted portfolio beta from individual stock betas and allocation percentages.",
    "maxTimeoutSeconds": 60
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {}
      },
      "output": {
        "type": "json",
        "example": {}
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method"
          ],
          "properties": {
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "type": "object",
              "properties": {}
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    },
    "description": "Calculate weighted portfolio beta from individual stock betas and allocation percentages."
  }
}

Provenance

Seen in the source catalog
2026-06-10 20:25Z
Last indexed by Roundhouse
2026-06-14 00:00Z
Last enriched (probe, favicon, geo)
2026-10-01 06:45Z
x402 version
2
Max timeout
60s
Liveness probe
HTTP 525
Report

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent: it will vet this service and call it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/endpoints

Nothing indexed for this service or its provider yet. Not a claim that it is unused — only that we hold no record. Verified volume counts only settlements with an on-chain EIP-3009 marker.

Open skill.md
Show the prompt
Using Roundhouse, look up the x402 service Portfolio Beta Calculator API and tell me whether it is
worth paying: what a call costs, whether the endpoint answered when last probed, and what
its payment record actually shows.

curl -s 'https://api.roundhouseai.io/v0/endpoints?q=Portfolio%20Beta%20Calculator%20API'
curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>'

Then call it: read the price from the live 402 at https://orbisapi.com/proxy/portfolio-beta-calculator-api-0ccef1, never from
a cached figure, and pay with an x402 client.

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at
GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at
https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.