{"uid":"cap_asg4BiNJU5ae12CPMh7eM","slug":"token-observed-price-change-local-finite-change-elasticity-9d5dee1b","name":"Token Observed Price Change — Local Finite-Change Elasticity","description":"Token observed price change — Local finite-change elasticity: Local finite-change elasticity for Token observed price change. Supplied token observations only. Deterministic calculation or caller-threshold verdict, not a live scan, safety proof or trade recommendation. Specialised preset in a shared 50-profile, 20-operation engine. 0.01 USDC includes one bounded local finite-change elasticity report.","url":"https://market.datapackvibe.com/x402/assistant-bx-token-price-change-elasticity?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"field":{"enum":["current_price","previous_price"],"type":"string","default":"current_price"},"baseline":{"type":"object","default":{"current_price":1.2,"previous_price":1},"required":["current_price","previous_price"],"properties":{"current_price":{"type":"number","default":1.2,"maximum":10000000000000000,"minimum":0,"exclusiveMinimum":0},"previous_price":{"type":"number","default":1,"maximum":10000000000000000,"minimum":0,"exclusiveMinimum":0}},"additionalProperties":false},"step_percent":{"type":"number","default":1,"maximum":10,"minimum":0.01}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_GX_ncwN_N-QqtM4fM6YHI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the local finite-change elasticity of a token's observed price change given two price observations and a step size.","exampleAgentPrompt":"Calculate the local finite-change elasticity for a token that moved from a previous price of 1.00 to a current price of 1.20, using a step size of 1% on the current_price field.","exampleUseCases":[{"title":"Token volatility sensitivity check","prompt":"I want to know how elastically a token responded to a recent price move — it went from $0.80 to $0.96. Can you calculate the local finite-change elasticity using a 0.5% step on the current price?"},{"title":"DeFi arbitrage sensitivity analysis","prompt":"Before deciding whether to act on a price gap, compute the finite-change elasticity for a token that moved from $500 to $520, using a 2% step on the current_price field."},{"title":"Portfolio risk metric calculation","prompt":"For my risk model, calculate the local elasticity of a token's price change where previous price was $10.00 and current price is $10.75, using a 1% step on the previous_price field."}],"resultDescription":"A deterministic local finite-change elasticity report for the supplied token price observations. The report quantifies how the observed price change responds to a small finite step in the chosen field (current_price or previous_price), expressed as a bounded elasticity value derived from the baseline prices and step percentage. No live market data, trade recommendations, or safety guarantees are included.","failureModes":["Missing or zero-value prices cause validation errors since both current_price and previous_price must be strictly positive","step_percent outside the allowed 0.01–10 range returns a validation error","Omitting both baseline prices falls back to defaults which may not reflect the caller's intended scenario","Payment failure or insufficient USDC balance results in a 402 response and no report is generated"],"whenToPreferThis":"Choose this endpoint when you need a fast, deterministic, single-call elasticity metric derived purely from two supplied token price observations and a configurable step percentage. It is well-suited for agents performing quantitative price sensitivity analysis, building risk models, or evaluating token price responsiveness without requiring live market feeds or probabilistic models.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T18:48:24.763Z","isFirstParty":false,"canonicalSlug":"token-observed-price-change-local-finite-change-elasticity-9d5dee1b"}