Probability Card

PJM zonal spread jump probability.

Overview

PJM zonal spread jump probability. empirical probability card for the evening congestion bar. whenToUse: next on-peak day or trailing congestion-season check. whenNotToUse: month-ahead, season-ahead, Black vol, a price forecast. Related resource: upstream — European pricing if the caller already has vol.

Endpoint

Method	Endpoint	Price	Description
POST	/v1/marketplace/api/probability-card	$0.2875	Invoke Probability Card (Finance) and return the upstream response.

How to call it

Requests are paid per call over the x402 protocol. Call the endpoint, receive a 402 Payment Required quote, then repeat the request with the signed payment header. The SDKs do both steps for you.

# 1. Ask for a quote
curl -i -X POST https://api.jarvisclaw.ai/v1/marketplace/api/probability-card \
  -H 'Content-Type: application/json' \
  -d '{}'

# 2. Pay it (the SDK signs and retries for you)
curl -X POST https://api.jarvisclaw.ai/v1/marketplace/api/probability-card \
  -H 'Content-Type: application/json' \
  -H 'X-PAYMENT: <signed-payload>' \
  -d '{}'

Open in the marketplace