{"uid":"cap_85vhrniUH7rYMkau72Edb","slug":"wintergreen-x402-quant-lead-lag-analysis-d4e52d33","name":"Wintergreen x402 Quant Lead-Lag Analysis","description":"Payment-gated crypto trading intelligence for AI agents.\n    \n## Categories\n- **Hyperliquid Signals**: Real-time funding divergence, lead-lag correlation, liquidation clusters, session volume area levels\n- **Quant Methodology**: Backtesting walk-forward validation, strategy generation with kill battery (19 rules), risk management with Kelly sizing, regime detection, execution frameworks, agent orchestration\n- **Market Insights**: 22 crypto microstructure observations — funding, liquidation, orderbook, regime, flow, anomaly\n- **Power Markets**: ERCOT field guide, merit-order model, duck curve analysis\n- **Career Guides**: Firefighter oral board prep, medical coding, ATSA, contractor estimating\n- **Trust Scoring**: x402 endpoint verification, P2D badges\n\n## Payment\nAll paid endpoints return HTTP 402 with USDC on Base (eip155:8453). \nSign EIP-712 TransferWithAuthorization and retry with X-PAYMENT header.\nPayTo: 0xAe9834d71F1Bd989A0dc17593451af823E31CeeD","url":"https://x402.wintergreen.uk/api/v1/quant/lead-lag","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"pair":{"type":"string"}}},"responseSchema":{},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SiNWZhWI1sL6ueiDtR6nh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns lead-lag relationship data between financial instruments or market signals, gated behind a $0.01 USDC micropayment via x402 protocol.","exampleAgentPrompt":"Can you pull the lead-lag relationship between BTC and ETH from the Wintergreen quant endpoint — I want to know which one tends to move first and by how many minutes?","exampleUseCases":[{"title":"Crypto pair lead-lag discovery","prompt":"Check whether SOL tends to lead or lag BTC in price movements, and by roughly how long on average — I'm building a stat-arb signal around it."},{"title":"Equity-futures timing analysis","prompt":"I want to know the lead-lag relationship between the S&P 500 ETF and ES futures — which one moves first and what's the typical lag in minutes?"},{"title":"Cross-asset momentum research","prompt":"Pull me the lead-lag data between gold and the dollar index so I can see if one reliably signals the other before a move."}],"resultDescription":"Returns quantitative lead-lag metrics between two market instruments or signals, including the direction of the lead-lag relationship, estimated lag duration, and correlation strength. Exact schema is undocumented but expected to include numerical relationship data useful for constructing time-shifted trading signals.","failureModes":["Payment not provided or rejected — HTTP 402 returned requiring USDC payment via x402 protocol","Invalid or unrecognized ticker/instrument identifiers — likely returns an error or empty dataset","Undocumented schema means unexpected response structure is possible","Rate limiting or quota exceeded may return 429 or similar","Service unavailability on the third-party host returns 5xx"],"whenToPreferThis":"Choose this endpoint when you need a cheap ($0.01 USDC), on-demand lead-lag computation between two financial instruments and are already set up for x402 micropayment flows. Best suited for AI agents with built-in crypto payment capability exploring quantitative market relationships without a subscription to a major data provider.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T15:25:18.088Z","isFirstParty":false}