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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 ~0.3d
⚠Slippage not modeled — actual cost may differ
Funding ArbitrageLooking at price convergence? → /price-pair
Current Net APR · Snapshot
+108.95%
30d Period Avg+44.20%
swing±30.22%
LONG Polymarket · now
−160.67%
30d avg:−42.04%
SHORT Lighter · now
−51.72%
30d avg:+2.16%
Entry Spread Now
+0.075%
In your favorL 8.6407 · S 8.6472+$7.52 if it converges
24h range −0.77%…+0.11% · median +0.01%
Long pays every1hShort pays every1h
LONGmaker0.013%/taker0.040%SHORTmaker0%/taker0%
Limited funding history — chart clipped to available data
- Lighter (Short): data starts Sep 26, 2026 (2d available out of 30d requested)
KPIs (Total PnL, APR, Win Rate) calculated only over the available data range.
Sparse settlements: long 100%, short 6% of expected. KPIs may be noisy.
Loading Funding History…
↗Total PnL
+$102.30
+1.02%
$Avg Daily PnL
+$3.68
+0.0368%
★Best Day
+$18.92
Sep 23
◎Open Interest
Polymarket$19.6K
Lighter$100.7K⚡Funding APR
+13.42%
annualized · funding only
⚠Execution Cost
−$8.00
entry + exit fees
⏱Payback
2.2d
to break even
◧24h Volume
Polymarket—Lighter$828Loading 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 (−$8.00 for size $10,000). Slippage scales nonlinearly with position size — try a larger size to see thin upper levels run out.