Pure Read-Only NegRisk / Dutch-Book Probability-Sum & Fee-Drag Calculator
Pure Read-Only NegRisk / Dutch-Book Probability-Sum & Fee-Drag Calculator: computes complete-set probability sum, overround/underround in bps, fee drag, and net edge per share set from caller-supplied outcome prices (zero external API calls, zero order routing).
Answeringour last check, 2026-10-31
2 of 2checks answered this week
187 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://bot-bazaar.fly.dev/v1/x402/quant/polymarket-negrisk-math-audit
| Category | Code and developer |
|---|---|
| Provider host | bot-bazaar.fly.dev |
| Networks | eip155:8453 |
| 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 |
|---|---|---|---|---|
| 2026-10-31 | valid payment request | 402 | $0.02 | 178 ms |
| 2026-10-29 | valid payment request | 402 | $0.02 | 197 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"outcome_ask_prices": "0.42,0.35,0.20"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"outcome_ask_prices": {
"description": "Comma-separated mutually exclusive outcome ask prices in (0,1), e.g. '0.42,0.35,0.20'",
"type": "string"
},
"shares": {
"description": "Complete-set share notional (default 100)",
"type": "string"
},
"taker_fee_bps": {
"description": "Venue taker fee in bps (default 0)",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}