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  1. USDT ERC20 (Ethereum) → USDC Optimism (OP Mainnet (Optimism))

USDT ERC20 (Ethereum) → USDC Optimism (OP Mainnet (Optimism))

The stablecoin leaves for another network: you send USDT ERC20 in Ethereum and take USDC Optimism in OP Mainnet (Optimism). All of it is one order.

Rate and amounts for USDT ERC20 → USDC Optimism 1 USDT ERC20 = 0.998602 USDC Optimism 1 USDC Optimism = 1.0014 USDT ERC20

Rate as of Nov 1, 2026 08:24

Orders from
100.67 USDT ERC20 ≈ $100.62
Payout network
Optimism
24 hours
+0.01%
You get 1,997.2 USDC Optimism
Create the order
Rate
1 USDT ERC20 = 0.998602 USDC Optimism
From
100.67 USDT ERC20
Up to
10,000,000 USDT ERC20

Preliminary figure: the final amount is locked in the order.

The direction is holding at 0.998602 USDC Optimism per 1 USDT ERC20 (1.0014 USDT ERC20 per 1 USDC Optimism). Over 24 hours USDT ERC20/USDC Optimism came in at plus 0.01%. Over the week, plus 0.01%.

The weekly range ran from 0.998807 to 0.999745 USDC Optimism, a spread of 0.09%. One order takes from 100.67 to 10,000,000 USDT ERC20. In dollars that is roughly $100.62.

The robot sends the payout in the Optimism network, so the address has to belong to that network — a transfer to another one will not arrive. Market capitalisation puts Tether at No. 3 ($180.04 B) and USD Coin at No. 6 ($71.72 B). Over 90 days the daily moves of USDT and USDC correlate at 0.13 (they travel apart).

Which network USDC arrives in

The same USDC goes out in several networks. Each has its own rate and its own floor, and the fee is charged by the network itself.

NetworkPer 1 USDT ERC20FromNetwork feeSpeed
Ethereum (ERC20)0.998602100.67 USDT ERC20≈ $0.0061medium
TRON (TRC20)0.998602100.67 USDT ERC20≈ $2.1fast
Solana0.998602100.67 USDT ERC20≈ $0.00048fast
Arbitrum One0.998602100.67 USDT ERC20≈ $0.0029fast
BASE0.998602100.67 USDT ERC20——
BNB Smart Chain (BEP20)0.998602100.67 USDT ERC20≈ $0.0023fast
Avalanche C-Chain0.998602100.67 USDT ERC20≈ $0.0014fast
NEAR0.998602100.67 USDT ERC20——
Optimism open0.998602100.67 USDT ERC20≈ $0.00015fast
Polygon0.998602100.67 USDT ERC20≈ $0.0016fast
XLM0.998602100.67 USDT ERC20——

Network charges for USDC

Rate and amounts for USDT ERC20 → USDC Optimism

USDT ERC20USDC Optimism
200199.7204
1,000998.602
2,0001,997.2
10,0009,986.02
20,00019,972.04
100,00099,860.2
USDC OptimismUSDT ERC20
200200.28
1,0001,001.4
2,0002,002.8
10,00010,014
20,00020,028
100,000100,140

How the USDT ERC20 → USDC Optimism exchange runs

  1. Work out the amount in the calculator — orders start at 100.67 USDT ERC20.
  2. Give a USDC address on Optimism and a contact for the order.
  3. Send USDT ERC20 on Ethereum (ERC20), exactly the amount the order shows.
  4. Nothing else is needed from you: as soon as the network confirms the transfer, the robot sends USD Coin to your address. The order page shows the status.

Swap USDT ERC20 for USDC Optimism

Check this before sending USDT ERC20

  • The address network is Optimism. Sending through another network almost always means losing the transfer.
  • The transfer must not be smaller than 100.67 USDT ERC20.
  • Copy the address in full, then check its first and last characters once it is pasted.
  • Ethereum, Arbitrum, Optimism, BNB Smart Chain and Polygon addresses look the same (0x…) — make sure the wallet is switched to OP Mainnet (Optimism).
  • Keep a reserve of ETH at the same address — without it USDC cannot be sent on later.
  • Send exactly the amount stated in the order: the automation matches your payment against it, and any difference sends the order back for recalculation.

How the USDT ERC20 to USDC Optimism rate has moved

high 0.999745 USDC Optimismlow 0.998807 USDC Optimism
Oct 25, 2026 08:26Nov 1, 2026 08:26
high 0.999991 USDC Optimismlow 0.999117 USDC Optimism
Oct 1, 2026 05:00Oct 31, 2026 05:00
high 1.0002 USDC Optimismlow 0.999117 USDC Optimism
Aug 2, 2026 05:00Oct 31, 2026 05:00
high 1.0031 USDC Optimismlow 0.996801 USDC Optimism
Nov 1, 2025 05:00Oct 31, 2026 05:00
24 hours
+0.01%
Week
+0.01%
Weekly high
0.999745 USDC Optimism
Weekly low
0.998807 USDC Optimism
Spread
0.09%

Market data from CoinGecko as of Nov 1, 2026 07:57. The exchange rate is worked out separately and differs from the market one. How these numbers are counted

The USDT ERC20/USDC Optimism spread by period

PeriodHighLowMiddlePeriod result
24 hours0.9995320.9993010.999409+0.01%
Week0.9997450.9988070.999427+0.01%
Month0.9999910.9991170.999556−0.03%
Quarter1.00020.9991170.999739−0.03%

Figures are in USDC Optimism per unit of the currency you send, taken from market data.

Daily USDT ERC20 → USDC Optimism rate

DayCloseAgainst the day before
Oct 31, 20260.999416 USDC Optimism+0.02%
Oct 30, 20260.999176 USDC Optimism−0.04%
Oct 29, 20260.999561 USDC Optimism+0.01%
Oct 28, 20260.999478 USDC Optimism+0.02%
Oct 27, 20260.999325 USDC Optimism0%
Oct 26, 20260.999282 USDC Optimism−0.03%
Oct 25, 20260.99955 USDC Optimism+0.01%

How the Velorex rate moved: USDT ERC20 → USDC Optimism day by day

DayVelorex rateMarket rate
Nov 1, 20260.998602 USDC Optimism0.999532
Oct 31, 20260.998702 USDC Optimism0.999467
Oct 30, 20260.998303 USDC Optimism0.999293
Oct 29, 20260.998801 USDC Optimism0.99945
Oct 28, 20260.999201 USDC Optimism0.999571
Oct 27, 20260.998801 USDC Optimism0.999494
Oct 26, 20260.998602 USDC Optimism0.999386
Oct 25, 20260.998901 USDC Optimism0.999385
Oct 24, 20260.998702 USDC Optimism0.999556
Oct 23, 20260.998801 USDC Optimism0.999505
Oct 22, 20260.9993 USDC Optimism0.999479
Oct 21, 20260.999101 USDC Optimism0.999691
Oct 20, 20260.9993 USDC Optimism0.999493
Oct 19, 20260.999001 USDC Optimism0.999321

Our own rate is recorded every hour, and the table keeps the last entry of the day. The column beside it is the ratio of the prices of the same two coins on CoinGecko at that same hour. How these numbers are counted

Market data: USDT and USDC

Tether USDT
Price
$0.999532
24 hours
+0.03%
Week
+0.04%
Market cap
$180.04 B
24-hour turnover
$25.71 B
Rank by cap
#3
In circulation
180.12 B USDT
All-time high
$1.32
USD Coin USDC
Price
$1.00
24 hours
+0.02%
Week
+0.04%
Market cap
$71.72 B
24-hour turnover
$5.9 B
Rank by cap
#6
In circulation
71.72 B USDC
All-time high
$1.04

Source: CoinGecko, Nov 1, 2026 07:57.

Tether and USD Coin: how they differ

Tether (USDT)USD Coin (USDC)
TickerUSDTUSDC
Typetokentoken
NetworkEthereum (ERC20)Optimism
Fees are paid inETHETH
Launched20142018
Built byTether LimitedCircle
Supply capno capno cap
In circulation180.12 B USDT71.72 B USDC
Market cap$180.04 B$71.72 B
Rank by cap#3#6

Daily moves of USDT and USDC over the quarter link at 0.13 (they travel apart).

Compared: Ethereum and OP Mainnet (Optimism)

EthereumOP Mainnet (Optimism)
What kind of networkBase network (L1)Optimistic rollup (L2)
What pays the feeETHETH
How expensive≈ $0.0061≈ $0.00015
How fastmediumfast
Block time~12 sec~2 sec
Address format0x…0x…
Memo or tag needednot requirednot required
Ethereum-format address (0x…)yesyes
Withdrawal to Ethereum through the official bridge—≈ 7 days — the challenge window runs

The cost and speed marks are given against each other: both drift with the load on the network.

How an exchange differs from an ordinary bridge

VelorexOrdinary bridge
What arrives at the addressthe USDC token in the OP Mainnet (Optimism) networkThe very same stablecoin: turning USDT into USDC is one more operation
Wallet connection and signaturesWe do without them: the payout goes to the address from the orderMandatory: the wallet is connected, contract transactions are signed
Is a OP Mainnet (Optimism) coin needed for feesNot required to receiveAs a rule yes, otherwise the funds cannot be claimed or moved on
When it arrivesAs soon as Ethereum gathers confirmations; the status is shown on the order pageSet by the bridge itself and by the load on both networks
Who holds the funds on the wayVelorex — until the order is closed by the payoutThe smart contract of the bridge or its validators

Ethereum → OP Mainnet (Optimism): the full list of directions The OP Mainnet (Optimism) blockchain

Why people take the USDT ERC20 → USDC Optimism route

  • It works both waysThe USDC Optimism → USDT ERC20 direction is open as well — going back into USDT takes the same route and the same automation.

Common questions: USDT ERC20 → USDC Optimism

What rate does USDT ERC20 to USDC Optimism run at?
As of Nov 1, 2026 08:24 it is 1 USDT ERC20 = 0.998602 USDC Optimism. The figure updates on its own, and the calculator always shows the current one. On the market that is around $0.998602.
What amounts does USDT ERC20 → USDC Optimism accept?
From 100.67 to 10,000,000 USDT ERC20 per order. The floor is roughly $100.62.
Why can I not swap less than 100.67 USDT ERC20?
The network fee and the handling do not depend on the amount. On a transfer below 100.67 USDT ERC20 they eat a noticeable share of it, and the swap stops making sense for either side.
Is anything charged on top of the rate?
No. The payout is already worked out at the rate in the calculator. Separately you pay only the network fee for sending USDT ERC20, and the blockchain takes that one.
How long does swapping USDT ERC20 for USDC Optimism take?
The clock starts with confirmations: as soon as Ethereum (ERC20) confirms your transfer, the order goes out for payout with no operator involved. After that the timing is set by how busy the network is — which is the difference between quick and instant. A block in Ethereum (ERC20) closes in about 12 sec.
Will real USDC be credited, or a wrapper?
USDC Optimism is the ordinary USDC token of the OP Mainnet (Optimism) network: exactly the same one an exchange sends when you withdraw into this blockchain.
Is ETH needed to receive USDC Optimism?
Not to receive. ETH comes in handy later, when you decide to move USDC from your address.
Why not use the official OP Mainnet (Optimism) bridge?
An official deposit from Ethereum into OP Mainnet (Optimism) requires connecting a wallet and signing a contract transaction. Here it is enough to send USDT ERC20 to the details in the order.
Which network will USDC Optimism arrive in?
The payout goes out on Optimism. Check that the receiving wallet supports that network.
Which network is cheaper for receiving USDC?
Usually USDC SOL, USDC Arbitrum, USDC BEP20, USDC AVAX C, USDC Optimism, USDC Polygon works out cheaper. Still, the network is picked by what the recipient accepts, not by the fee.
What happens if the rate moves while I am paying?
Nothing: the rate is locked in the order and holds for as long as the order is alive. It is recalculated only if the payment arrives late or for a different amount — so send the exact sum, and send it promptly.
What did the USDT ERC20 to USDC Optimism rate do over the month?
Over the month, minus 0.03%: a low of 0.999117, a high of 0.999991, an average of 0.999556 USDC Optimism per 1 USDT ERC20.
Can I swap back, USDC Optimism for USDT ERC20?
Yes, the reverse is open too: 1 USDC Optimism = 1.0014 USDT ERC20. The link to switch sits under the calculator.

Related reading

Other directions

The other way round

Send USDT ERC20, receive something else

Receive USDC Optimism, send something else

USDT ERC20 USDC Optimism All directions All currencies

Tether (USDT) and USD Coin (USDC): a comparison

Ethereum → OP Mainnet (Optimism): the full list of directions All networks and routes

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