{"uid":"cap_6m8Z385dJFxj9u5idjCij","slug":"deepsearch-krx-stock-3-year-daily-price-history-adbe6f8e","name":"DeepSearch KRX Stock 3-Year Daily Price History","description":"3-year daily closing price history (~780 data points, up to 3 years back). Returns date, close price, change %, and market cap.","url":"https://x402.deepsearch.com/v1/context/stock/:ticker/3y","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"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":["ticker"],"properties":{"ticker":{"type":"string","description":"6-digit KRX ticker or US symbol"},"exchange":{"type":"string","description":"Exchange code. Default: KRX"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_b7bkSTmV-7ztxGa6iCwNc","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns ~780 daily closing price data points (up to 3 years back) for a KRX or US stock, including date, close price, change %, and market cap.","exampleAgentPrompt":"Can you pull the full 3-year daily closing price history for Samsung Electronics (KRX ticker 005930) on the KRX exchange, including the market cap and daily change percentages?","exampleUseCases":[{"title":"Backtest a long-term trading strategy","prompt":"I want to backtest a moving average crossover strategy on POSCO Holdings (KRX ticker 005490) — can you grab the full 3 years of daily closing prices so I can run the analysis?"},{"title":"Compare multi-year stock performance","prompt":"Can you pull the 3-year daily price history for Kakao (KRX ticker 035720) and Naver (KRX ticker 035420) so I can compare how their stock performance and market caps have trended against each other over time?"},{"title":"Identify long-term price trend patterns","prompt":"I'd like to see the full 3-year daily closing price history for Hyundai Motor (KRX ticker 005380), including the daily change percentages — I'm trying to spot any recurring seasonal patterns or major trend shifts in their stock."}],"resultDescription":"An array of approximately 780 daily data points covering up to 3 years of trading history, each containing: the date, closing price, percentage change from the previous day, and market capitalization for the requested stock.","failureModes":["Invalid or unrecognized ticker symbol returns an error or empty dataset","Unsupported exchange code results in a default KRX lookup or error","Stock with limited trading history returns fewer than 780 data points","Payment failure (insufficient USDC) blocks the request with a 402 response","Rate limiting or network timeout returns a 429 or 5xx error"],"whenToPreferThis":"Use this endpoint when you need the longest available daily price history (up to 3 years, ~780 points) for a KRX-listed or supported US stock — ideal for long-term trend analysis, backtesting strategies, or computing multi-year technical indicators. Prefer the 1-month or 1-year endpoints if you only need shorter windows and want to minimize cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:55:59.254Z","isFirstParty":false}