← Back to Screener
updated —SPY Funding Arbitrage Backtester
Size per leg$
R-trip cost
on +$10000.00 per leg · +$20000.00 turnover · funding never covers this cost
⚠Slippage not modeled — actual cost may differ
Funding ArbitrageLooking at price convergence? → /price-pair
Current Net APR · Snapshot
+0.00%
7d Period Avg+8.95%
swing±14.95%
LONG Phemex · nowSPYXUSDT
+0.00%
7d avg:+0.35%
SHORT Aster · now
+0.00%
7d avg:+9.30%
Entry Spread Now
+0.009%
NeutralL 752.0900 · S 752.1606
24h range −0.16%…+0.11% · median +0.01%
Long pays every4hShort pays every8h
LONGmaker0.010%/taker0.060%SHORTmaker0.010%/taker0.040%
Loading Funding History…
↗Total PnL
−$2.51
−0.03%
$Avg Daily PnL
+$2.50
+0.0250%
★Best Day
+$5.39
Nov 11
◎Open Interest
Phemex$875.4K
Aster$939.7K⚡Funding APR
+9.12%
annualized · funding only
⚠Execution Cost
−$20.00
entry + exit fees
⏱Payback
8.0d
to break even
◧24h Volume
Phemex$15.6KAster$857.3KLoading Cumulative PnL…
How it works: Funding PnL is bucketed daily from real settlement history. Execution Cost = round-trip taker fees + fees only (orderbook snapshot stale) on both legs (−$20.00 for size $10,000). Slippage scales nonlinearly with position size — try a larger size to see thin upper levels run out.