{"uid":"cap_cTXl5g4X6cHKGrO0Xi3n7","slug":"halowerk-maximum-drawdown-calculator-d97af7d3","name":"HALOWERK Maximum Drawdown Calculator","description":"Maximaler Drawdown.  Alle Zahlen, Kurse und Vorgaben liefert der Aufrufer. Keine eigenen Kursdaten, kein Brokerzugriff, keine Ausführung. Rechenwerkzeug, keine Anlageberatung, keine Empfehlung.","url":"https://handel.halowerk.com/v1/rechner/drawdown?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"equity_curve":{"type":"array","items":{"type":"number","maximum":1000000000000,"minimum":-1000000000000},"maxItems":5000,"minItems":2}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_61ttKJOJldQlksP3EQUNT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the maximum drawdown from a user-supplied equity curve, returning the worst peak-to-trough decline as a pure calculation with no brokerage access or investment advice.","exampleAgentPrompt":"Calculate the maximum drawdown from my equity curve — here are the portfolio values over time: [100000, 102000, 99000, 95000, 97000, 91000, 93000, 105000].","exampleUseCases":[{"title":"Backtest risk evaluation for strategy","prompt":"I just finished backtesting my momentum strategy and I have the daily portfolio values. Can you calculate the maximum drawdown from this equity curve: [100000, 103000, 107000, 98000, 95000, 99000, 112000, 105000, 108000]?"},{"title":"Risk reporting for fund investors","prompt":"I need to report the maximum drawdown for our fund this quarter. Here are the end-of-week NAV values: [1000000, 1020000, 985000, 960000, 975000, 1010000, 1050000]. What's the max drawdown?"},{"title":"Comparing trading systems by drawdown","prompt":"I want to compare two of my trading systems by their worst drawdowns. For the first system, the equity curve is [50000, 52000, 48000, 45000, 47000, 53000]. Can you tell me the maximum drawdown?"}],"resultDescription":"Returns the computed maximum drawdown derived from the provided equity curve array, expressed as the largest peak-to-trough decline. The result is a pure numerical calculation — no brokerage data, no external prices, and no investment recommendations are included.","failureModes":["Fewer than 2 values in equity_curve returns a validation error","Values exceeding ±1,000,000,000,000 are rejected","Array length exceeding 5000 items is rejected","Non-numeric values in the array cause a schema validation failure","Payment failure via x402 returns HTTP 402"],"whenToPreferThis":"Choose this endpoint when you need a fast, deterministic maximum drawdown calculation from a caller-supplied equity curve without any external data dependencies. Ideal for backtesting pipelines, risk dashboards, or automated reporting where you already hold the price/NAV series and need a reliable MDD figure at very low cost ($0.002 per call).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T06:42:52.167Z","isFirstParty":false,"canonicalSlug":"halowerk-maximum-drawdown-calculator-d97af7d3"}