Funding Rate Mechanics
Perpetual futures have no expiry — so how do they stay pegged to spot? The answer is funding rates: periodic payments between longs and shorts. When the perp trades above spot (bullish sentiment), longs pay shorts, discouraging further longs and pulling the price down. When below spot, shorts pay longs. This mechanism is the heartbeat of every perp DEX.
⚖️ Funding Rate Calculator
Adjust mark/index prices and open interest imbalance to see how funding flows between longs and shorts. Particles animate the payment direction.
Premium
OI Imbalance
60/40
Funding Rate
+0.0313%
Payment / Interval
$6.25
Annualized
+34.3%
📊 Funding Rate History (Simulated 24h)
Most perp DEXs settle funding every 8 hours (00:00, 08:00, 16:00 UTC). The bars below show how funding accumulates based on the time-weighted premium over each period.
🔄 How Funding Creates Convergence
📈 Perp > Spot (Positive Funding)
Longs pay shorts → discourages new longs → incentivizes shorts → selling pressure pulls perp price down toward spot
📉 Perp < Spot (Negative Funding)
Shorts pay longs → discourages new shorts → incentivizes longs → buying pressure pushes perp price up toward spot
💡 Funding Rate Strategies
DELTA-NEUTRAL FARMING
Hold spot ETH + short perp ETH. Collect funding when rate is positive. This is Ethena's core USDe strategy — consistently 15-30% APY in bull markets.
CROSS-VENUE ARBITRAGE
Long on a venue with negative funding, short on one with positive funding. Collect both sides. Works across Binance ↔ dYdX ↔ Hyperliquid.
FUNDING RATE PREDICTION
Open positions just before funding settlement to capture the payment, close after. Requires precise timing and low fee venues.
💡 Key insight: Funding rates are a zero-sum transfer between traders — the exchange takes nothing. They're the invisible hand that keeps perps tethered to reality. During extreme sentiment (e.g., ETH at +0.1% per 8h), delta-neutral strategies can earn 100%+ APY.