{"uid":"cap_pJw9gOfI48eX_uQ-xRwfQ","slug":"trading-journal-observations-weighted-mean-missing-value-fill-452267d4","name":"Trading Journal Observations — Weighted Mean & Missing-Value Fill","description":"Trading journal observations — Secondary-measure weighted mean + Explicit missing-value fill: Secondary-measure weighted mean + Explicit missing-value fill for supplied trading journal observations records (entry_price, exit_price). Up to 200 rows; 2 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 2 supplied-data reports for up to 200 rows.","url":"https://market.datapackvibe.com/x402/assistant-ib26-finance-09-187?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","instrument_group","date","entry_price","exit_price"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"exit_price":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"entry_price":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"instrument_group":{"type":"string","default":"","maxLength":80}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","exit_price":1,"entry_price":10,"instrument_group":"group-a"},{"date":"2026-10-02","row_id":"row-2","exit_price":2,"entry_price":20,"instrument_group":"group-b"},{"date":"2026-10-03","row_id":"row-3","exit_price":3,"entry_price":15,"instrument_group":"group-a"},{"date":"2026-10-04","row_id":"row-4","exit_price":4,"entry_price":30,"instrument_group":"group-b"}],"maxItems":200,"minItems":1},"field":{"enum":["entry_price","exit_price"],"type":"string","default":"entry_price"},"method":{"enum":["zero","mean","median"],"type":"string","default":"median"}}},"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_VkpG4fkxS_IuyWo2s1A4u","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 a secondary-measure weighted mean and fills missing values for trading journal entry/exit price data across up to 200 rows, returning two analytical reports.","exampleAgentPrompt":"I have 4 trading journal rows — row-1 (2026-10-01, group-a, entry 10, exit 1), row-2 (2026-10-02, group-b, entry 20, exit 2), row-3 (2026-10-03, group-a, entry 15, exit 3), row-4 (2026-10-04, group-b, entry 30, exit null) — can you compute the secondary-measure weighted mean on entry_price and fill any missing values using the median method?","exampleUseCases":[{"title":"Impute missing exit prices in trade log","prompt":"I have 50 trading journal records with some null exit prices — can you fill those missing exit_price values using the median method and also give me the weighted mean across all rows?"},{"title":"Weighted mean by instrument group","prompt":"Here are 120 rows from my trading journal across three instrument groups; please compute the secondary-measure weighted mean on entry_price with zero fill for any missing values and give me both analytical reports."},{"title":"Daily trade price summary with gap fill","prompt":"I've got a month of daily trade entries for group-a and group-b — please run the weighted mean computation on exit_price and use mean imputation to handle any gaps, returning both the fill report and the weighted mean result."}],"resultDescription":"Returns two analytical reports: (1) a secondary-measure weighted mean of the specified price field (entry_price or exit_price) across the supplied rows, and (2) an explicit missing-value fill report showing how null values were replaced using the chosen method (zero, mean, or median). Both reports are computed locally with no external lookups.","failureModes":["Fewer than 1 row or more than 200 rows submitted — request rejected","Invalid date format (not YYYY-MM-DD) on any row — validation error","Price values outside ±1,000,000,000,000 range — validation error","Missing required fields (row_id, instrument_group, date) — schema validation failure","Invalid fill method or field enum value — rejected with schema error","All values null for the target field — weighted mean may be undefined or return fill-only report"],"whenToPreferThis":"Choose this endpoint when you need both a weighted mean computation and explicit missing-value imputation on trading journal price data (entry_price or exit_price) in a single call. It handles up to 200 rows and returns two reports simultaneously, making it efficient for small-to-medium trade log analysis without requiring live market data or external services.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T13:16:57.878Z","isFirstParty":false,"canonicalSlug":"trading-journal-observations-weighted-mean-missing-value-fill-452267d4"}