Statistical arbitrage — cointegrated pairs with z-score signals across crypto, equities, f
Statistical arbitrage — cointegrated pairs with z-score signals across crypto, equities, forex and DeFi. For quant and trading agents.
150000 (raw units)
price
1
calls / 30d
1
unique payers
2026-08-20
updated
Provider
arbipulse.theaslangroupllc.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "150000",
"maxTimeoutSeconds": 300
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{
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"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "150000",
"maxTimeoutSeconds": 604900
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
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"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
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{
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{
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"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
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{
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"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
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{
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{
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{
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"asset": "0xb88339CB7199b77E23DB6E890353E22632Ba630f",
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{
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"network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
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"asset": "31566704",
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{
"scheme": "exact",
"network": "xrpl:0",
"payTo": "rMnHeutYALco8RYFVcmuU4BCgSzBpPEh32",
"asset": "XRP",
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]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"asset_a": "BTC",
"asset_b": "ETH",
"asset_class": "crypto",
"lookback_days": "30"
},
"type": "http"
},
"output": {
"example": {
"asset_a": "BTC",
"asset_b": "ETH",
"asset_class": "crypto",
"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.",
"current_signal": {
"current_relationship": "ETH is trading at a premium to its historical BTC ratio. ETH/BTC ratio elevated vs 30-day average.",
"estimated_z_score": 1.8,
"signal_strength": "moderate",
"spread_direction": "asset_b_premium"
},
"pair_statistics": {
"cointegration_assessment": "strong",
"estimated_correlation_30d": 0.87,
"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."
},
"pulse_suggestions": [],
"related_pairs_to_watch": [
"ETH/SOL",
"BTC/SOL",
"WBTC/WETH on-chain spread"
],
"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"
],
"scan_time": "2026-06-06T12:00:00Z",
"size_guidance": {
"dollar_neutral": true,
"hedge_ratio": 1,
"max_position_size_pct_of_capital": 5,
"recommended_notional_per_leg": "$5,000-$50,000"
},
"trade_signal": {
"action": "long_a_short_b",
"entry_condition": "ETH/BTC ratio above 0.054 (current: 0.056)",
"estimated_profit_bps": 380,
"exit_condition": "ETH/BTC ratio returns to 0.052 (30d mean)",
"rationale": "ETH/BTC at 1.8 std devs above 30d mean. If historical correlation holds, ETH likely to underperform BTC short-term.",
"stop_loss_condition": "ETH/BTC ratio exceeds 0.060 (3 std devs)",
"typical_holding_period": "3-10 days"
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"asset_a": {
"description": "first asset symbol, e.g. BTC",
"type": "string"
},
"asset_b": {
"description": "second asset symbol, e.g. ETH",
"type": "string"
},
"asset_class": {
"description": "crypto | equities | forex | defi (default: crypto)",
"type": "string"
},
"lookback_days": {
"description": "historical lookback for correlation, e.g. 30",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_gxy6qn5p"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
}
}Use it
curl
curl "https://arbipulse.theaslangroupllc.com/api/pairs" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://arbipulse.theaslangroupllc.com/api/pairs");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://arbipulse.theaslangroupllc.com/api/pairs")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/2654.json, and this resource appears in /discovery/resources and /discovery/search.