USDT-USDC Swap

Overview

Aster supports instant swaps between USDC, USDC.e, and USDT, allowing users to convert stablecoins directly within their account without using the order book.

The swap feature is designed to simplify stablecoin management and make it easier to move funds between supported settlement assets before trading.

During the current promotional period (11 May 2026 - 10 June 2026), all swap fees are waived.

Supported Swap Pairs

The following swap directions are supported:

• USDC → USDT

• USDT → USDC

• USDC.e → USDT

• USDT → USDC.e

Note:

• USDC refers to native Ethereum USDC

• USDC.e refers to bridged USDC on Arbitrum

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Fees

Swap Pair	Standard Fee	Promotional Period
USDC → USDT	0.1%	FREE
USDT → USDC	0.1%	FREE
USDC.e → USDT	0.1%	FREE
USDT → USDC.e	0.1%	FREE

Daily Limits

Limit Type	Amount
Daily platform-wide limit	500,000 USD
Daily individual limit	100,000 USD

The available swap amount is determined by the lowest of:

• Remaining platform-wide quota

• Remaining personal daily quota

• Available balance in the swap account