{"slug":"agent402-tools-api-sharpe-ratio-5976b9","title":"Risk-adjusted return","host":"agent402.tools","method":"POST","resource":"https://agent402.tools/api/sharpe-ratio","category":"other","description":"Risk-adjusted return: (mean return - risk-free rate) / sample standard deviation of returns (n-1). Pass periodsPerYear to also get the annualized ratio (× sqrt(periodsPerYear)).","price_listed":0.001,"price_asked":0.001,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":919,"reported_calls_30d":5,"reported_payers_30d":1,"networks":["algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=","eip155:10","eip155:1329","eip155:137","eip155:143","eip155:42161","eip155:42220","eip155:43114","eip155:4663","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","stellar:pubnet"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"returns":[0.1,0.05,0.15,-0.02,0.08],"riskFreeRate":0.02},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"periodsPerYear":{"description":"If set, also annualize the ratio by sqrt(periodsPerYear).","type":"number"},"returns":{"description":"Periodic returns as decimals (min 2)","type":"array"},"riskFreeRate":{"description":"Risk-free rate per period as decimal. Default 0.","type":"number"}},"required":["returns"]},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"excessReturn":{"type":"number"},"mean":{"type":"number"},"sharpe":{"type":"number"},"stdDev":{"type":"number"}},"required":["sharpe","mean","stdDev","excessReturn"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.001,"price_match":true,"latency_ms":919,"error":null}],"description_full":"Risk-adjusted return: (mean return - risk-free rate) / sample standard deviation of returns (n-1). Pass periodsPerYear to also get the annualized ratio (× sqrt(periodsPerYear)).","last_updated":"2026-09-21T11:10:41.879Z","schemes":["exact","upto"]}