{"uid":"cap_PpLKSHs1hPBgN40Xgka2b","slug":"money-mind-deflated-sharpe-ratio-calculator-528d9065","name":"Money Mind — Deflated Sharpe Ratio Calculator","description":"Pay-per-call adjudication for trading research.\nEleven gates that killed 35 of our own concepts. Is your backtest real, is your\nprice data real, is your t-stat inflated? USDC on Base, no account needed.","url":"https://money-mind-extract.onrender.com/deflatedsharpe?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","body"],"properties":{"body":{"type":"object","description":"Is this Sharpe real, or the best of N tries? Deflated for the search you ran"},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"reading":"...","verdict":"..."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.31","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":"$0.31/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.31","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.31","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_f2POj9chV1QOIOOy9pQdE","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.31","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Adjusts a backtest's Sharpe ratio downward to correct for selection bias introduced by testing multiple strategies or parameter sets.","exampleAgentPrompt":"I tested 50 parameter combinations and my best strategy has a Sharpe of 2.1 — can you deflate that Sharpe to account for the fact that I ran it across 50 tries and tell me if it's actually real?","exampleUseCases":[{"title":"Quant researcher validating best strategy","prompt":"I backtested 200 different strategies and the best one shows a Sharpe ratio of 1.8 — can you deflate that Sharpe for the 200 trials I ran and tell me if it's genuinely significant or just selection luck?"},{"title":"DeFi yield strategy sanity check","prompt":"My DeFi yield strategy posted a Sharpe of 3.2 but I tried about 30 variations before landing on it — run the deflated Sharpe calculation and tell me if this result is real or just the luckiest of 30 attempts."},{"title":"Pre-submission backtest credibility check","prompt":"Before I pitch this strategy to investors, I want to know if the Sharpe of 2.5 holds up — I explored roughly 15 configurations to get here, so please deflate it for selection bias and give me a verdict."}],"resultDescription":"Returns a JSON object with a 'reading' field describing the deflation-adjusted Sharpe ratio analysis and a 'verdict' field indicating whether the strategy's performance is statistically credible after correcting for the number of searches or trials conducted.","failureModes":["Missing or malformed body payload causes 400-level error","Insufficient USDC balance or failed x402 payment returns 402 Payment Required","Body missing required trial count or Sharpe inputs may return an error or low-confidence verdict","Render.com cold start may cause initial latency spike or timeout"],"whenToPreferThis":"Choose this endpoint when you need a rigorous, pay-per-call statistical correction for Sharpe ratios inflated by running multiple backtests or parameter searches — especially when you need a fast, no-account verdict before pitching a strategy or publishing results. Prefer this over manual Probabilistic Sharpe Ratio (PSR) calculations when you want an authoritative adjudication without building the math yourself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T12:37:49.885Z","isFirstParty":false,"canonicalSlug":"money-mind-deflated-sharpe-ratio-calculator-528d9065"}