{"uid":"cap_oxAXE72VV65lbuDfPkBKK","slug":"arbipulse-statistical-pairs-scanner-a4904fc7","name":"ArbiPulse Statistical Pairs Scanner","description":"Statistical arbitrage — cointegrated pairs with z-score signals across crypto, equities, forex and DeFi. For quant and trading agents.","url":"https://arbipulse.theaslangroupllc.com/api/pairs","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","properties":{"asset_a":{"type":"string","description":"first asset symbol, e.g. BTC"},"asset_b":{"type":"string","description":"second asset symbol, e.g. ETH"},"asset_class":{"type":"string","description":"crypto | equities | forex | defi (default: crypto)"},"lookback_days":{"type":"string","description":"historical lookback for correlation, e.g. 30"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"errors":{"type":"object","description":"Documented error responses, keyed by HTTP status code","additionalProperties":{"type":"object","required":["description"],"properties":{"example":{"type":"object"},"description":{"type":"string"}}}},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"risks":["Correlation can break permanently (e.g. ETH merge changed dynamics)","Crypto market structure shifts make historical z-scores unreliable","Both legs can move adversely in a flash crash"],"asset_a":"BTC","asset_b":"ETH","scan_time":"2026-06-06T12:00:00Z","asset_class":"crypto","trade_signal":{"action":"long_a_short_b","rationale":"ETH/BTC at 1.8 std devs above 30d mean. If historical correlation holds, ETH likely to underperform BTC short-term.","exit_condition":"ETH/BTC ratio returns to 0.052 (30d mean)","entry_condition":"ETH/BTC ratio above 0.054 (current: 0.056)","stop_loss_condition":"ETH/BTC ratio exceeds 0.060 (3 std devs)","estimated_profit_bps":380,"typical_holding_period":"3-10 days"},"size_guidance":{"hedge_ratio":1,"dollar_neutral":true,"recommended_notional_per_leg":"$5,000-$50,000","max_position_size_pct_of_capital":5},"current_signal":{"signal_strength":"moderate","spread_direction":"asset_b_premium","estimated_z_score":1.8,"current_relationship":"ETH is trading at a premium to its historical BTC ratio. ETH/BTC ratio elevated vs 30-day average."},"pair_statistics":{"historical_context":"BTC/ETH is one of the most studied crypto pairs. The ETH/BTC ratio (currently 0.052) oscillates between 0.04 and 0.07 across cycles.","mean_reversion_speed":"medium (1-7d)","typical_spread_behavior":"ETH typically prices at 6-8% of BTC value. Deviations >2 standard deviations historically revert within 2-7 days.","cointegration_assessment":"strong","estimated_correlation_30d":0.87},"pulse_suggestions":[],"related_pairs_to_watch":["ETH/SOL","BTC/SOL","WBTC/WETH on-chain spread"],"asset_class_specific_notes":"Crypto pairs are highly correlated in bull markets but diverge on asset-specific news (ETH upgrades, BTC halving). Trade through perpetual futures for easy short access."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.15","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":"$0.15/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1NFmTQZ2wBTLz9-ArzwNt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.15","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns cointegrated asset pairs with z-score signals for statistical arbitrage across crypto, equities, forex, and DeFi","exampleAgentPrompt":"Pull me the top cointegrated pairs right now with z-scores above 2.0 — I want to see crypto and DeFi pairs flagged for mean-reversion entry signals.","exampleUseCases":null,"resultDescription":"A list of cointegrated asset pairs with their current z-scores, spread values, signal direction (long/short), asset class labels, and statistical metrics such as half-life and correlation coefficient to support pairs trading decisions.","failureModes":["Invalid asset class filter returns 400 with parameter validation error","No pairs found for given filters returns empty result set","Market data unavailability causes 503 service temporarily unavailable","Rate limiting or unpaid quota returns 402 payment required","Stale data during market outages may return degraded signal quality"],"whenToPreferThis":"Use this endpoint when a quant or trading agent needs to identify statistically cointegrated pairs and their current z-score divergence signals, particularly when scanning across multiple asset classes (crypto, equities, forex, DeFi) simultaneously. Prefer this over single-asset price feeds or generic correlation tools when the goal is mean-reversion pair selection with statistical rigor.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:37:23.171Z","isFirstParty":false}