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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%
7d Period Avg+16.17%
swing±17.33%
LONG Aster · nowSPCXUSD1
+0.00%
7d avg:−2.05%
SHORT Phemex · nowSPCXUSDT
+5.48%
7d avg:+14.12%
Entry Spread Now
−0.059%
Against youL ask 136.2200 · S bid 136.1400−$5.87 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
+$4.63
+0.05%
$Avg Daily PnL
+$4.33
+0.0433%
★Best Day
+$7.49
Nov 9
◎Open Interest
Aster$16.45M
Phemex$2.48M⚡Funding APR
+15.80%
annualized · funding only
⚠Execution Cost
−$25.68
entry + exit fees
⏱Payback
5.9d
to break even
◧24h Volume
Aster$6.42MPhemex$20.59MLoading 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 (−$25.68 for size $10,000). Slippage scales nonlinearly with position size — try a larger size to see thin upper levels run out.