{"uid":"cap_0vo4MeZKGgmUIceWTiSgu","slug":"dripmetrics-ai-downside-semi-volatility-9566f811","name":"DripMetrics AI – Downside Semi-Volatility","description":"DripMetricsAI (https://dripmetrics.ai/) provides on-demand crypto market microstructure metrics, Hyperliquid candle metrics, Polymarket diagnostics, and on-chain DefiLlama metrics for agents, dashboards, and trading workflows.","url":"https://api.dripmetrics.ai/metrics/downside-semivolatility","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["pair","exchange","window"],"properties":{"pair":{"type":"string","description":"Exchange-native trading pair symbol such as BTCUSDT, ETH-USD, BTC, or xyz:TSLA."},"window":{"enum":["30m","1h","2h","3h"],"type":"string","description":"Lookback window. Hyperliquid supports 30m and 1h; 2h and 3h are currently BTCUSDT/BTC-USD only."},"exchange":{"enum":["binance","coinbase"],"type":"string","description":"Exchange adapter to source recent trades from."}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["metric","pair","exchange","window","value","computedAt","tradeCount","firstTradeTime","lastTradeTime","coverage"],"properties":{"pair":{"type":"string"},"value":{"type":"number"},"metric":{"type":"string"},"window":{"enum":["30m","1h","2h","3h"],"type":"string"},"coverage":{"type":"object","required":["requestedWindowMinutes","effectiveWindowMinutes","coverageRatio","partialData","completeFetch","errorMessage"],"properties":{"partialData":{"type":"boolean"},"errorMessage":{"type":["string","null"]},"completeFetch":{"type":"boolean"},"coverageRatio":{"type":"number","maximum":1,"minimum":0},"effectiveWindowMinutes":{"type":"number","minimum":0},"requestedWindowMinutes":{"type":"number","minimum":0}},"additionalProperties":false},"exchange":{"enum":["binance","coinbase"],"type":"string"},"components":{"type":"object","additionalProperties":{"type":"number"}},"computedAt":{"type":"string","format":"date-time"},"tradeCount":{"type":"integer","minimum":1},"lastTradeTime":{"type":"string","format":"date-time"},"firstTradeTime":{"type":"string","format":"date-time"},"benchmarkCoverage":{"type":"object","required":["requestedWindowMinutes","effectiveWindowMinutes","coverageRatio","partialData","completeFetch","errorMessage"],"properties":{"partialData":{"type":"boolean"},"errorMessage":{"type":["string","null"]},"completeFetch":{"type":"boolean"},"coverageRatio":{"type":"number","maximum":1,"minimum":0},"effectiveWindowMinutes":{"type":"number","minimum":0},"requestedWindowMinutes":{"type":"number","minimum":0}},"additionalProperties":false}},"additionalProperties":false}}}}},"responseSchema":{"type":"json","example":{"pair":"BTC-USD","value":0.394281,"metric":"downside-semivolatility","window":"30m","coverage":{"partialData":false,"errorMessage":null,"completeFetch":true,"coverageRatio":1,"effectiveWindowMinutes":30,"requestedWindowMinutes":30},"exchange":"coinbase","components":{},"computedAt":"2026-05-23T14:00:00.000Z","tradeCount":428,"lastTradeTime":"2026-05-23T13:59:58.000Z","firstTradeTime":"2026-05-23T13:00:02.000Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_aL13Hb-c8ZHkLznniluHU","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the downside semi-volatility of a cryptocurrency trading pair over a recent lookback window using live trade data from Binance or Coinbase.","exampleAgentPrompt":"What's the current downside semi-volatility for BTC-USD on Coinbase over the last hour? I want to gauge one-sided downside risk before placing a trade.","exampleUseCases":[{"title":"Pre-trade downside risk check","prompt":"Before I enter a long BTC position, can you pull the downside semi-volatility for BTC-USD on Coinbase over the last 30 minutes so I know how choppy the downside has been?"},{"title":"Automated strategy risk filter","prompt":"Every hour, check the downside semi-volatility for BTCUSDT on Binance over a 1h window and alert me if it spikes above 0.5 so I can tighten my stop-loss."},{"title":"Comparing exchanges for execution","prompt":"Can you get me the downside semi-volatility for BTC-USD on Coinbase and BTCUSDT on Binance over the last 2 hours so I can see which venue has been riskier on the downside?"}],"resultDescription":"Returns a JSON object containing the metric name ('downside-semivolatility'), the computed floating-point value, the trading pair, exchange, lookback window, computation timestamp, total trade count used, first and last trade timestamps, and a coverage object detailing whether the full window was captured (requested vs effective minutes, coverage ratio, partial data flag, and any error message).","failureModes":["Invalid or unsupported trading pair symbol returns an error","2h and 3h windows only supported for BTCUSDT/BTC-USD; other pairs return an error or partial data","Exchange adapter unavailability may result in partial coverage (coverageRatio < 1, partialData: true)","Insufficient trade data within the window results in low tradeCount and potential computation inaccuracy","Payment failure or missing x402 payment header returns 402 Payment Required"],"whenToPreferThis":"Choose this endpoint when you need a precise, real-time downside semi-volatility metric computed from actual recent trades on Binance or Coinbase — particularly useful for risk-adjusted trading strategies, pre-trade risk checks, or dashboards that need one-sided volatility rather than symmetric volatility. Prefer this over generic volatility endpoints when you specifically care about negative return dispersion or downside deviation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:43:41.938Z","isFirstParty":false}