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updated —Funding Arbitrage Backtester
Size per leg$
R-trip cost
on +$10000.00 per leg · +$20000.00 turnover · funding covers it in ~5.6d
Funding ArbitrageLooking at price convergence? → /price-pair
Current Net APR · Snapshot
+22.61%
30d Period Avg+21.97%
swing±30.69%
LONG Polymarket · now
+10.96%
30d avg:−6.87%
SHORT Arcus · now
+33.57%
30d avg:+15.10%
Entry Spread Now
+0.124%
Eaten by executionL 14.4610 · S 14.4790+$12.45 if it converges
24h range +0.01%…+0.34% · median +0.21%
Long pays every1hShort pays every1h
LONGmaker0.013%/taker0.040%SHORTmaker0%/taker0.022%
Limited funding history — chart clipped to available data
- Polymarket (Long): data starts Sep 10, 2026 (21d available out of 30d requested)
KPIs (Total PnL, APR, Win Rate) calculated only over the available data range.
Loading Funding History…
↗Total PnL
+$115.77
+1.16%
$Avg Daily PnL
+$5.02
+0.0502%
★Best Day
+$22.85
Sep 30
◎Open Interest
Polymarket$132.1K
Arcus$432.6K⚡Funding APR
+18.31%
annualized · funding only
⚠Execution Cost
−$34.74
entry + exit fees
⏱Payback
6.9d
to break even
◧24h Volume
Polymarket—Arcus$198.5KLoading 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 (−$34.74 for size $10,000). Slippage scales nonlinearly with position size — try a larger size to see thin upper levels run out.