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Matt BuselCrypto 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
Top comment
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
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About Funding Arb Alert Bot on Product Hunt
“Real-time funding rate arbitrage alerts ”
Funding Arb Alert Bot was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #321 on the daily leaderboard. 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
Funding Arb Alert Bot was featured in Fintech (46.8k followers), Crypto (39.5k followers) and Bots (110.5k followers) on Product Hunt. Together, these topics include over 22.7k products, making this a competitive space to launch in.
Who hunted Funding Arb Alert Bot?
Funding Arb Alert Bot was hunted by Matt Busel. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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