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updated —SPY Funding Arbitrage Backtester
Size per leg$
R-trip cost
on +$10000.00 per leg · +$20000.00 turnover · funding covers it in ~7.2d
Funding ArbitrageLooking at price convergence? → /price-pair
Current Net APR · Snapshot
+69.42%
30d Period Avg+12.21%
swing±61.09%
LONG WEEX · now
−23.03%
30d avg:+3.59%
SHORT edgeX V2 · now
+46.39%
30d avg:+15.80%
Entry Spread Now
−0.069%
Eaten by executionL 752.0200 · S 751.5002−$6.91 if it converges
24h range −0.27%…+0.15% · median −0.07%
Long pays every8hShort pays every4h
LONGmaker0.020%/taker0.080%SHORTmaker0.018%/taker0.038%
Loading Funding History…
↗Total PnL
−$34.77
−0.35%
$Avg Daily PnL
+$3.41
+0.0341%
★Best Day
+$25.81
Nov 12
◎Open Interest
WEEX$609.0K
edgeX V2$613.0K⚡Funding APR
+12.44%
annualized · funding only
⚠Execution Cost
−$136.99
entry + exit fees
⏱Payback
1.3mo
to break even
◧24h Volume
WEEX$4.52MedgeX V2$215.1KLoading 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 (−$136.99 for size $10,000). Slippage scales nonlinearly with position size — try a larger size to see thin upper levels run out.