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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 ~12d
Funding ArbitrageLooking at price convergence? → /price-pair
Current Net APR · Snapshot
+5.48%
3d Period Avg−0.84%
swing±12.58%
LONG Variational · nowSPCX
+0.00%
3d avg:+7.38%
SHORT Phemex · nowSPCXUSDT
+5.48%
3d avg:+6.54%
Entry Spread Now
+0.076%
In your favorL ask 136.0170 · S bid 136.1200+$7.57 at entry
24h range −0.45%…+0.78% · median +0.08%
Long pays every8hShort pays every8h
LONGmaker0%/taker0%SHORTmaker0.010%/taker0.060%
Loading Funding History…
↗Total PnL
−$19.41
−0.19%
$Avg Daily PnL
−$0.23
−0.0023%
★Best Day
+$2.38
Nov 13
◎Open Interest
Variational$4.29M
Phemex$2.48M⚡Funding APR
−0.84%
annualized · funding only
⚠Execution Cost
−$18.72
entry + exit fees
⏱Payback
never
to break even
◧24h Volume
Variational$3.22MPhemex$20.58MLoading 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 (−$18.72 for size $10,000). Slippage scales nonlinearly with position size — try a larger size to see thin upper levels run out.