Funding Rate Arbitrage Scanner ⚖️

Find risk-free-ish funding spreads between exchanges before you scan them by hand.

Perpetual futures charge a funding fee every 8 hours between longs and shorts. That fee is never quite the same on OKX, Bybit, Gate.io and KuCoin for the same asset — and when the gap is wide enough, traders go long on the cheap side and short on the expensive side: a delta-neutral position that pockets the spread regardless of which way the market moves.

This actor watches that spread for you, across exchanges, continuously.

What you get

Two row types:

• Snapshot — current funding rate (raw + annualized %) per symbol per exchange
• Signal — a named, fired condition:

Signal	Meaning
arbitrage_opportunity	Cross-exchange funding spread wide enough to be worth a delta-neutral position — tells you exactly which exchange to long and which to short
extreme_funding	A single exchange's funding rate is unusually hot — crowded positioning, useful context even without a counterparty

No history needed: the spread is actionable the moment it's observed.

Sources (all public, no API key)

OKX, Bybit, Gate.io, KuCoin — perpetual futures funding rate endpoints. Binance is deliberately excluded: its API blocks cloud/datacenter IPs.

Use cases

• Funding arbitrageurs — a live radar across 4 exchanges instead of checking each one by hand
• Perp traders — spot crowded/extreme funding before entering a position
• Bots & automations — feed clean signals into your own execution pipeline

Input (all optional)

Field	Default	Description
symbols	["BTC","ETH","SOL"]	Assets to compare (also supports XRP, DOGE)
exchanges	all 4	Which exchanges to include: okx, bybit, gateio, kucoin
min_spread_apr_pct	32.85	Minimum annualized spread between two exchanges to fire arbitrage_opportunity
extreme_funding_apr_pct	54.75	Single-exchange annualized funding to fire extreme_funding

Output

{
  "type": "signal",
  "signal": "arbitrage_opportunity",
  "symbol": "BTC",
  "long_exchange": "bybit",
  "short_exchange": "kucoin",
  "spread_annualized_pct": 41.2,
  "message": "BTC: go long on bybit (funding 0.0100%), short on kucoin (funding 0.0550%) — spread 41.2% APR."
}

Pricing

Pay per result: $0.002 per row (snapshots + signals). Scanning 3 symbols × 4 exchanges is a fraction of a cent per run.

Tips

• Schedule it every 15–30 min to catch spreads as they open and close.
• Widen symbols to cover more assets — more comparisons, more chances at a spread.
• Remember: funding-rate arbitrage is delta-neutral but not risk-free (execution slippage, exchange risk, margin requirements). This actor surfaces the spread — you manage the trade.

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⚠️ Not financial advice. Perpetual futures involve leverage and real risk. This actor surfaces market data — it does not execute trades or guarantee profit. All data from public exchange APIs.