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updated —SPACEX Funding Arbitrage Backtester
Size per leg$
R-trip cost
on +$10000.00 per leg · +$20000.00 turnover · funding covers it in ~26d
Funding ArbitrageLooking at price convergence? → /price-pair
Current Net APR · Snapshot
+4.16%
1d Period Avg+0.52%
swing±15.91%
LONG QFEX · nowSPCX-USD
+0.00%
1d avg:+1.31%
SHORT Arcus · nowSPCX-USD
+4.16%
1d avg:+1.83%
Entry Spread Now
−0.081%
Against youL ask 135.9400 · S bid 135.8300−$8.09 at entry
24h range −0.37%…+0.28% · median −0.05%
Long pays every1hShort pays every1h
LONGmaker0.050%/taker0.100%SHORTmaker0%/taker0.022%
Loading Funding History…
↗Total PnL
−$29.04
−0.29%
$Avg Daily PnL
+$0.14
+0.0014%
★Best Day
+$0.19
Nov 13
◎Open Interest
QFEX$1.51M
Arcus$1.03M⚡Funding APR
+0.51%
annualized · funding only
⚠Execution Cost
−$29.18
entry + exit fees
⏱Payback
6.9mo
to break even
◧24h Volume
QFEX$6.07MArcus$6.20MLoading Cumulative PnL…
How it works: Funding PnL is bucketed daily from real settlement history. Execution Cost = round-trip taker fees + live L2 orderbook slippage on both legs (−$29.18 for size $10,000). Slippage scales nonlinearly with position size — try a larger size to see thin upper levels run out.