Crypto perp exchanges charge a funding rate every 8 hours. When rates diverge across exchanges you can go long on the low-rate side and short on the high-rate side delta neutral, collecting the spread. HOW IT WORKS • Fetches live funding rates from all 3 exchanges • Calculates: (rate_high - rate_low) × 1095 - 3% fee drag • Classifies: LOW (5-10%), MEDIUM (10-20%), HIGH (20%+) • Alerts fire the moment a spread crosses your threshold

AppSignal — Get full visibility into app health, errors, and performance

Get full visibility into app health, errors, and performance

Maker comment (post within the first hour): Hey PH! I'm Matt. I built this because I kept manually checking funding rates across three exchanges and missing the window before spreads closed. The whole scanner runs on public endpoints — no API keys, no OAuth, just math on public data. The core formula is simple: annualise the 8h spread, subtract 3% for roundtrip fees, anything left is real yield. A 20%+ annualised spread on a delta-neutral position is genuinely actionable. Free tier is actually useful — BTC/ETH/SOL covers most of the real opportunities. Pro is for people tracking the long tail. Bot is live now: t.me/srfm_alerts_bot Happy to answer any questions about the strategy mechanics or the implementation. Tags to select: Fintech, Crypto, Bots, Trading, Productivity

AppSignal — Get full visibility into app health, errors, and performance

Get full visibility into app health, errors, and performance

Funding Arb Alert Bot

Real-time funding rate arbitrage alerts

Real-time funding rate arbitrage alerts