Lending & Interest Rate Model

Updated on 31 Aug 2023

Single Finance adopts a triple-slope interest rate model to determine borrowing interest rates. Different assets shall employ different parameters of the same model.

Borrowing Interest = Multiplier * Utilization + Base Rate

Lending Interest = Borrowing Interest * Utilization * (1 - Lending Reserve Fee)

Cronos Chain's Lending Pool

CRO Borrowing Interest Rate

Utilization Range	Minimum Interest Rate	Maximum Interest Rate	Multiplier	Base Rate
0%-50%	0%	15%	0.3	0
50%-90%	15%	25%	0.25	0.025
90%-100%	25%	100%	7.5	-6.5

USDC Borrowing Interest Rate

Utilization Range	Minimum Interest Rate	Maximum Interest Rate	Multiplier	Base Rate
0%-50%	0%	10%	0.2	0
50%-90%	10%	20%	0.25	-0.025
90%-100%	20%	100%	8	-7

USDT, VVS, SINGLE, MMF Borrowing Interest Rate

Utilization Range	Minimum Interest Rate	Maximum Interest Rate	Multiplier	Base Rate
0%-50%	0%	10%	0.2	0
50%-90%	10%	15%	0.125	0.0375
90%-100%	15%	100%	8.5	-7.5

MUSD Borrowing Interest Rate

Utilization Range	Minimum Interest Rate	Maximum Interest Rate	Multiplier	Base Rate
0%-50%	0%	1%	0.02	0
50%-90%	1%	3%	0.05	-0.015
90%-100%	3%	100%	9.7	-8.7

Other Tokens Borrowing Interest Rate

Utilization Range	Minimum Interest Rate	Maximum Interest Rate	Multiplier	Base Rate
0%-50%	0%	15%	0.3	0
50%-90%	15%	25%	0.25	0.025
90%-100%	25%	100%	7.5	-6.5

Arbitrum Chain's Lending Pool

WETH Borrowing Interest Rate

Utilization Range	Minimum Interest Rate	Maximum Interest Rate	Multiplier	Base Rate
0%-50%	0%	1%	0.02	0
50%-90%	1%	10%	0.225	-0.1025
90%-100%	10%	25%	1.5	-1.25

USDC, USDT Borrowing Interest Rate

Utilization Range	Minimum Interest Rate	Maximum Interest Rate	Multiplier	Base Rate
0%-50%	0%	10%	0.2	0
50%-90%	10%	15%	0.125	0.0375
90%-100%	15%	100%	8.5	-7.5

Other Tokens Borrowing Interest Rate

Utilization Range	Minimum Interest Rate	Maximum Interest Rate	Multiplier	Base Rate
0%-50%	0%	15%	0.3	0
50%-90%	15%	25%	0.25	0.025
90%-100%	25%	100%	7.5	-6.5

Fantom Chain's Lending Pool

FTM Borrowing Interest Rate

Utilization Range	Minimum Interest Rate	Maximum Interest Rate	Multiplier	Base Rate
0%-50%	0%	21%	0.42	0
50%-90%	21%	25%	0.1	0.16
90%-100%	25%	35%	1	-0.65

USDC (Multichain), fUSDT (Multichain) Borrowing Interest Rate

Utilization Range	Minimum Interest Rate	Maximum Interest Rate	Multiplier	Base Rate
0%-50%	0%	8%	0.16	0
50%-90%	8%	12%	0.1	0.03
90%-100%	12%	100%	8.8	-7.8

Fee Parameters (Lending)

Lending Reserve Fee

Lending\;Reserve\;Fee = Borrowing\;interest \times 18\%\

• All 18% goes to Buyback and Burn of SINGLE.

Please note that the APR/APY shown already factored in this fee, what you see is what you get.