Predict the future market value of any collectible trading card with a conformal-calibrate
Predict the future market value of any collectible trading card with a conformal-calibrated risk forecast (default): regime-aware split-conformal bands fit on real holdout residuals, returning calibrated forecast percentiles (5th–95th), honest VaR/CVaR, and Safe-Hold/Momentum letter grades. Monte Carlo models (GBM / Merton Jump-Diffusion with Poisson jumps) are available opt-in via model=. Covers Pokémon, Magic, Yu-Gi-Oh, sports cards, and any tokenized real-world asset.
15000 (raw units)
price
4
calls / 30d
1
unique payers
2026-09-02
updated
Provider
oracle.the-undesirables.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x642e8a7C289381f24f0395e0539f0bA41c74Cc1B",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "15000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "GueVKFK4VNe4LYvMoYAKpnJe8s7Yar6FF3r1f92gfm9y",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "15000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:4663",
"payTo": "0x642e8a7C289381f24f0395e0539f0bA41c74Cc1B",
"asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
"amount": "15000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"card_name": "Charizard",
"current_price": 350
},
"type": "http"
},
"output": {
"example": {
"forecast": {
"50th_percentile": 224.5,
"95th_percentile": 412.1
},
"status": "ok"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"card_name": {
"description": "Name of the collectible to forecast",
"type": "string"
},
"current_price": {
"description": "Current USD market baseline",
"type": "number"
},
"days": {
"description": "forecast horizon",
"type": "integer"
},
"model": {
"description": "stochastic model: gbm or merton",
"type": "string"
},
"simulations": {
"description": "Number of randomized paths",
"type": "integer"
}
},
"required": [
"card_name",
"current_price"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"forecast": {
"type": "object"
},
"status": {
"type": "string"
}
},
"required": [
"status"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://oracle.the-undesirables.com/api/v1/simulate" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://oracle.the-undesirables.com/api/v1/simulate");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://oracle.the-undesirables.com/api/v1/simulate")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/3425.json, and this resource appears in /discovery/resources and /discovery/search.