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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 ~17d
Funding ArbitrageLooking at price convergence? → /price-pair
Current Net APR · Snapshot
+5.48%
3d Period Avg+4.68%
swing±5.37%
LONG Aster · nowSPCXUSD1
+0.00%
3d avg:+1.86%
SHORT Phemex · nowSPCXUSDT
+5.48%
3d avg:+6.54%
Entry Spread Now
−0.073%
Against youL ask 136.2100 · S bid 136.1100−$7.34 at entry
24h range −0.33%…+0.77% · median −0.07%
Long pays every8hShort pays every8h
LONGmaker0.010%/taker0.040%SHORTmaker0.010%/taker0.060%
Loading Funding History…
↗Total PnL
−$23.33
−0.23%
$Avg Daily PnL
+$0.78
+0.0078%
★Best Day
+$2.38
Nov 13
◎Open Interest
Aster$16.45M
Phemex$2.48M⚡Funding APR
+2.85%
annualized · funding only
⚠Execution Cost
−$25.67
entry + exit fees
⏱Payback
1.1mo
to break even
◧24h Volume
Aster$6.42MPhemex$20.35MLoading 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 (−$25.67 for size $10,000). Slippage scales nonlinearly with position size — try a larger size to see thin upper levels run out.