{"uid":"cap_4EAjQ5NwukT6DyHv49vz7","slug":"yieldsignal-usdc-base-yield-persistence-analytics-92c92a90","name":"YieldSignal USDC Base Yield Persistence Analytics","description":"How long a USDC leadership call actually holds, from hourly on-chain attestations (EAS): median lead duration, survival at 6/24/72h, how much of the rotation is the same two protocols trading places, and what chasing the leader is worth per $10k before gas. Also reports whether a wider lead lasts longer — measured, and it does not. Observed history with sample sizes, never a forecast. Verified per-asset accuracy is free at /accuracy.json; raw on-chain attestations at /track-record.","url":"https://yieldsignal.vercel.app/persistence/usdc-base-yield?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"1","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":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Eg10fCJxArQiSyTTQO60w","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns statistical persistence metrics for USDC lending yield leadership on Base — median lead duration, survival rates, rotation patterns, and alpha of chasing the leader — derived from hourly on-chain EAS attestations.","exampleAgentPrompt":"Tell me how persistent USDC yield leadership is on Base — how long the top protocol typically stays on top, the survival odds at 6, 24, and 72 hours, and whether it's actually worth $10k to chase the leader before gas costs.","exampleUseCases":[{"title":"Rebalancing decision for USDC vault","prompt":"I'm running a USDC lending vault on Base and want to know if it's statistically worth rebalancing when the yield leader changes — what's the median time the leader holds its spot and how much alpha would I capture per $10k before gas?"},{"title":"Research on DeFi yield rotation patterns","prompt":"Can you pull the persistence stats for USDC lending on Base? I want to know the survival rates at 6, 24, and 72 hours, and how much of the leadership rotation is just two protocols repeatedly swapping places."},{"title":"Checking whether lead width predicts durability","prompt":"I've heard that a bigger yield spread doesn't actually mean the leader lasts longer on Base USDC — can you confirm that with the measured data, and show me the sample sizes behind it?"}],"resultDescription":"Returns computed persistence statistics derived from hourly on-chain EAS attestations: median duration of USDC yield leadership on Base, Kaplan-Meier-style survival rates at 6h, 24h, and 72h, the proportion of rotations involving the same two protocols cycling back and forth, estimated alpha per $10k invested before gas costs, and a measured (not modeled) finding on whether a wider yield lead correlates with longer duration — plus observed sample sizes for all metrics.","failureModes":["Insufficient on-chain attestation history may reduce sample sizes and confidence of survival estimates","Payment not received or invalid x402 payment header returns 402 Payment Required","Gas cost assumptions may be stale relative to current Base network conditions","Endpoint may return cached data if attestations have not updated in the current hour"],"whenToPreferThis":"Choose this endpoint when you need statistical evidence about whether USDC yield leadership on Base is sticky enough to justify rebalancing costs — specifically when you want survival-curve-style metrics, rotation frequency data, and measured alpha estimates grounded in actual on-chain history rather than simulations or forecasts. Prefer this over raw APY endpoints when the decision is about switching protocols rather than simply reading current rates.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T13:08:33.574Z","isFirstParty":false,"canonicalSlug":"yieldsignal-usdc-base-yield-persistence-analytics-92c92a90"}