{"uid":"cap_G4qiNk0AMFOs3lKc8E-rH","slug":"signals-ellva-ai-fb37082f","name":"signals.ellva.ai RSI Momentum Indicator","description":"Daily Relative Strength Index (RSI) momentum indicator for US-listed equities and ETFs. Returns the current RSI value (0-100), an oversold/neutral/overbought trading signal, and the last daily close. Useful for technical analysis, momentum signals, mean-reversion strategies, market timing, swing trading, and AI-driven trading agents. Configurable lookback period (2-100 trading days, default 14). Daily close data from Alpaca Markets.","url":"https://signals.ellva.ai/v1/rsi?utm_source=zero.xyz","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["ticker"],"properties":{"period":{"type":"integer","default":14,"maximum":100,"minimum":2,"description":"RSI lookback period in trading days. Standard is 14 (default). Use 2-5 for short-term mean-reversion (Connors-style) signals. Range 2-100."},"ticker":{"type":"string","description":"US-listed equity or ETF ticker symbol (e.g. SPY, QQQ, AAPL, NVDA, MSFT, TSLA, ARKK). Case-insensitive; alphanumeric, up to 10 characters."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"period":14,"ticker":"SPY"}}},"response":{"rsi":69.08,"period":14,"signal":"neutral","ticker":"SPY","timestamp":"2026-05-25T04:33:01.149208+00:00","last_close":745.67,"closes_used":70}},"exampleRequest":{"period":14,"ticker":"SPY"},"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_OXTiKf32GruXREg4ST65k","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current RSI value, oversold/neutral/overbought signal, and last daily close for a US-listed equity or ETF ticker","exampleAgentPrompt":"What's the current RSI for NVDA using the standard 14-day lookback — is it overbought, oversold, or neutral?","exampleUseCases":[{"title":"Check overbought ETF before selling","prompt":"Before I consider taking profits on my SPY position, can you pull the current RSI signal — is it overbought right now or still in neutral territory?"},{"title":"Scan for oversold swing trade entry","prompt":"I'm looking for a potential swing trade entry on TSLA — what's the RSI right now and does it look oversold on a 14-day basis?"},{"title":"Mean reversion signal for MSFT","prompt":"I want to check if MSFT has pulled back enough to be a mean-reversion buy — what's its current RSI value and what signal is it showing?"}],"resultDescription":"Returns a JSON object with the ticker symbol, RSI value (0-100), a trading signal (oversold/neutral/overbought), last daily close price, the lookback period used, number of closes used in the calculation, and a UTC timestamp of when the data was fetched.","failureModes":["Invalid or unrecognized ticker symbol — returns error or empty result","Period out of range (below 2 or above 100) — returns validation error","Market data unavailable for the ticker from Alpaca — returns error","Payment failure or insufficient USDC balance for the $0.02 per-call fee — request blocked","Rate limiting or upstream data outage from Alpaca Markets"],"whenToPreferThis":"Use this endpoint when you need a quick, pre-computed RSI momentum signal for a single US equity or ETF without needing to manage raw price data or write calculation logic. Ideal for AI trading agents, swing trading bots, or dashboards that need real-time overbought/oversold signals with configurable lookback periods.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:32:20.825Z","isFirstParty":false,"canonicalSlug":"signals-ellva-ai-fb37082f"}