PreReason
Cross asset correlations. Bitcoin against SPY, the dollar (UUP), Treasury yields and VIX over several windows. Cross asset data for research agents. A paid call serves today or any ?date= on record.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 280 ms
- Price
- $0.020 per call
- Paying buyers, last 30 days
- 2 (directory's own records)
- Paid calls, last 30 days
- 4
- Category
- DeFi markets (yields, perps, funding)
- Address
- https://api.prereason.com/api/cross/correlations
Accuracy: paid answers checked against an independent record
Not yet in our paid checks. A seller we have not checked has neither passed nor failed.
For agents
This page as JSON: /sellers/252c51ab6b0f.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).