← The evidence ledger
Evidence row 2201241
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://portfolio-stats.x402tookit.com/rolling
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 875e1eda28d39d1e3526b05fbaaab19c1f476be3c5e6969ff77595da2defeaf4
- Leaf
- 0x385b93310bc387f8fa96a3eb041ce91ee42956113b545e24015931343a784540
What was observed
{
"endpoints": [
[
"x402",
"https://portfolio-stats.x402tookit.com/rolling"
]
],
"name": "Portfolio Stats",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Rolling mean return and rolling annualized volatility over a window, from a price or return series you supply.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"returns": "[0.01,-0.02,0.03,0.00,0.02,-0.01]",
"window": 3
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-12T00:57:40.623Z",
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"educationalOnly": "Educational arithmetic on the numbers you supplied. Not investment advice: it does not say what to buy, sell, hold or how much to risk, and a supplied or past series does not predict the future.",
"fullWindows": 4,
"latestAnnualizedVolatilityPct": 24.24871131,
"latestMeanReturn": 0.003333333333,
"maxAnnualizedVolatilityPct": 39.94996871,
"minAnnualizedVolatilityPct": 24.24871131,
"notChecked": [
"window choice: results change a lot with it",
"overlapping windows are not independent, so the series looks smoother than the data is",
"…1 more"
],
"observations": 6,
"periodsPerYear": 252,
"reasons": [
"Each window holds the latest `window` returns; the first window-1 entries are null because the window is not full yet.",
"Rolling volatility is the sample standard deviation of the window times sqrt(periodsPerYear), in percent.",
"…1 more"
],
"rollingAnnualizedVolatilityPct": [
null,
null
],
"rollingMeanReturn": [
null,
null
],
"source": "computed locally",
"summary": "4 full windows of 3 over 6 returns; latest rolling mean 0.003333333333, latest annualised volatility 24.24871131%.",
"verdict": "ROLLING_COMPUTED",
"window": 3
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
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"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
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"type": "integer"
},
"prices": {
"description": "Price series, oldest first, JSON like [100,101,99.5] or 100,101,99.5 (up to 1000). Give prices OR returns",
"type": "string"
},
"returns": {
"description": "Period returns, oldest first, decimals by default (0.01 = 1%). Give returns OR prices",
"type": "string"
},
"unit": {
"description": "decimal (default, 0.01 = 1%) or percent (1 = 1%); applies to returns only",
"type": "string"
},
"window": {
"description": "Window length in periods, 2 up to the number of returns (at most 500)",
"type": "integer"
}
},
"required": [
"window"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
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"properties": {
"asOf": {
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"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"educationalOnly": {
"type": [
"null",
"string"
]
},
"fullWindows": {
"type": [
"null",
"number"
]
},
"latestAnnualizedVolatilityPct": {
"type": [
"null",
"number"
]
},
"latestMeanReturn": {
"type": [
"null",
"number"
]
},
"maxAnnualizedVolatilityPct": {
"type": [
"null",
"number"
]
},
"minAnnualizedVolatilityPct": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"observations": {
"type": [
"null",
"number"
]
},
"periodsPerYear": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"rollingAnnualizedVolatilityPct": {
"items": {
"type": [
"null",
"number"
]
},
"type": [
"array",
"null"
]
},
"rollingMeanReturn": {
"items": {
"type": [
"null",
"number"
]
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"window": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-02T04:07:35.015Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T04:07:34.797Z"
},
"resource": "https://portfolio-stats.x402tookit.com/rolling",
"serviceName": "Portfolio Stats",
"tags": [
"rolling",
"moving-average",
"volatility",
"window"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Rolling mean return and rolling annualized volatility over a window, from a price or return series you supply."
}What the leaf hashes
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Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
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- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af