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  1. Swap USD Coin (USDC Optimism) for Tether (USDT Optimism)

Swap USD Coin (USDC Optimism) for Tether (USDT Optimism)

The calculator does the maths at the live rate, the page lists the limits and the timing. Your rate is locked the moment the order is created.

Rate as of Nov 2, 2026 03:39

Payout network
Optimism
24 hours
+0.01%
You get 1.0007 USDT Optimism
Start the order
Rate
1 USDC Optimism = 1.0007 USDT Optimism
Up to
10,000,000 USDC Optimism

The figure is indicative; the exact amount is locked in the order.

Today USDC Optimism goes for 1.0007 USDT Optimism, and USDT Optimism goes for 0.9993 USDC Optimism. Market over 24 hours: USDC Optimism against USDT Optimism plus 0.01%. The week added a move of 0%.

The weekly corridor ran from 1.0003 to 1.0012 USDT Optimism, a spread of 0.09%.

The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap USD Coin sits 6th ($71.5 B) and Tether 3th ($179.97 B). Daily moves of USDC and USDT over 90 days line up at 0.11 (they travel apart).

Who takes the USDC Optimism → USDT Optimism route

  • A road both waysThe USDT Optimism → USDC Optimism direction is open too, so going back into USDC takes the same route.

USDC Optimism → USDT Optimism rate and amounts

1 USDC Optimism = 1.0007 USDT Optimism
1 USDT Optimism = 0.9993 USDC Optimism

Send USDC Optimism — receive USDT Optimism

USDC OptimismUSDT Optimism
2020.014
100100.07
500500.35
5,0005,003.5
20,00020,014
100,000100,070.01

Need USDT Optimism — send this much USDC Optimism

USDT OptimismUSDC Optimism
2019.986
10099.93
500499.6502
5,0004,996.5
20,00019,986.01
100,00099,930.04

Payout network for USDT

The same USDT goes out in several networks. Rates and lower limits differ, and the fee is charged by the network itself.

NetworkPer USDC OptimismFromNetwork feeSpeed
OMNI1.0007———
Ethereum (ERC20)1.0007200 USDC Optimism≈ $0.018medium
TRON (TRC20)1.0007200 USDC Optimism≈ $2.1fast
BNB Smart Chain (BEP20)1.0007200 USDC Optimism≈ $0.0023fast
Solana1.0007200 USDC Optimism≈ $0.00047fast
Polygon1.0007200 USDC Optimism≈ $0.0016fast
Arbitrum One1.0007200 USDC Optimism≈ $0.0029fast
TON1.0007200 USDC Optimismlowfast
Avalanche C-Chain1.0007—≈ $0.0014fast
NEAR1.0007———
Optimism open now1.0007—≈ $0.00015fast

USDT network fees

How the USDC Optimism → USDT Optimism order runs

  1. Work out the amount in the calculator and press the exchange button.
  2. Enter a USDT address in Optimism and a way to reach you.
  3. Send USDC Optimism in Optimism for exactly the amount stated in the order.
  4. Once the network confirms your transfer, Tether leaves for your address. The order page tracks every step.

Swap USDC Optimism for USDT Optimism

Check this before sending USDC Optimism

  • The address network is Optimism. Sending through another network usually means losing the transfer.
  • Copy the address whole, then compare the first and last characters after pasting.
  • Coins go through an AML check: a flagged transfer can be held until the check is finished.

Where the USDC Optimism to USDT Optimism rate has been

high 1.0012 USDT Optimismlow 1.0003 USDT Optimism
Oct 26, 2026 03:42Nov 2, 2026 03:42
high 1.0009 USDT Optimismlow 1 USDT Optimism
Oct 2, 2026 03:00Nov 1, 2026 03:00
high 1.0009 USDT Optimismlow 0.999785 USDT Optimism
Aug 3, 2026 03:00Nov 1, 2026 03:00
high 1.0032 USDT Optimismlow 0.99687 USDT Optimism
Nov 2, 2025 03:00Nov 1, 2026 03:00
24 hours
+0.01%
Week
0%
Weekly high
1.0012 USDT Optimism
Weekly low
1.0003 USDT Optimism
Spread
0.09%

Market data from CoinGecko as of Nov 1, 2026 23:54; the exchange rate is calculated separately and differs. Where these numbers come from

How far USDC Optimism/USDT Optimism travelled, by period

PeriodHighLowMiddleNet move
24 hours1.00061.00051.0005+0.01%
Week1.00121.00031.00060%
Month1.000911.0005+0.03%
Quarter1.00090.9997851.0003+0.02%

Figures are in USDT Optimism per unit sent, from market data.

Daily USDC Optimism → USDT Optimism rate

DayCloseAgainst the day before
Nov 1, 20261.0005 USDT Optimism−0.01%
Oct 31, 20261.0007 USDT Optimism−0.02%
Oct 30, 20261.0008 USDT Optimism+0.04%
Oct 29, 20261.0004 USDT Optimism−0.01%
Oct 28, 20261.0005 USDT Optimism−0.02%
Oct 27, 20261.0007 USDT Optimism0%
Oct 26, 20261.0007 USDT Optimism+0.03%

Daily RubyCash rate: USDC Optimism → USDT Optimism

DateRubyCash rateMarket rate
Nov 2, 20261.0007 USDT Optimism1.0006
Nov 1, 20261.0007 USDT Optimism1.0006
Oct 31, 20261.0015 USDT Optimism1.0005
Oct 30, 20261.0018 USDT Optimism1.0006
Oct 29, 20261.0014 USDT Optimism1.0006
Oct 28, 20261.0009 USDT Optimism1.0004
Oct 27, 20261.0014 USDT Optimism1.0005
Oct 26, 20261.0015 USDT Optimism1.0006
Oct 25, 20261.0012 USDT Optimism1.0005
Oct 24, 20261.0014 USDT Optimism1.0004
Oct 22, 20261.001 USDT Optimism1.0005
Oct 21, 20261.001 USDT Optimism1.0003
Oct 20, 20261.0008 USDT Optimism1.0005
Oct 19, 20261.0011 USDT Optimism1.0007

Our own rate is written down every hour; the table keeps the last entry of each day. The market column is the ratio of the same two coins on CoinGecko at that moment. Where these numbers come from

The numbers on USDC and USDT

USD Coin USDC
Price
$0.999728
24 hours
−0.03%
Week
+0.01%
Market cap
$71.5 B
24-hour turnover
$6.06 B
Rank by cap
#6
In circulation
71.52 B USDC
Record price
$1.04
Tether USDT
Price
$0.99916
24 hours
−0.04%
Week
+0.01%
Market cap
$179.97 B
24-hour turnover
$25.81 B
Rank by cap
#3
In circulation
180.12 B USDT
Record price
$1.32

Source: CoinGecko, Nov 1, 2026 23:54.

USD Coin against Tether

USD Coin (USDC)Tether (USDT)
TickerUSDCUSDT
Typetokentoken
NetworkOptimismOptimism
Fees are paid inETHETH
Launched20182014
Built byCircleTether Limited
Supply capno capno cap
In circulation71.52 B USDC180.12 B USDT
Market cap$71.5 B$179.97 B
Rank by cap#6#3

Daily moves of USDC and USDT over 90 days line up at 0.11 — they travel apart.

Common questions: USDC Optimism → USDT Optimism

What rate does USDC Optimism to USDT Optimism run at?
As of Nov 2, 2026 03:39 it is 1 USDC Optimism = 1.0007 USDT Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.999859.
What else is taken on top of the rate?
The payout is already calculated at the rate in the calculator. On top of it you only pay the network fee for sending USDC Optimism, and that one goes to the blockchain, not to us.
How long does USDC Optimism to USDT Optimism take?
The clock starts with confirmations: the order goes into work once Optimism confirms your transfer. After that it comes down to how busy the network is.
Which network will USDT Optimism arrive in?
The payout leaves in Optimism. Make sure the receiving wallet works with that network.
Where is receiving USDT cheaper?
The cheapest is usually USDT BEP20, USDT SOL, USDT Polygon, USDT Arbitrum, USDT TON, USDT AVAX C, USDT Optimism. Still, the network is chosen by what the recipient supports, not by the fee.
What if the rate moves while I am paying?
The rate is pinned to the order and does not move while the order is alive. It can be recalculated if the payment arrives late or for a different amount — so send the exact sum, and send it promptly.
What did the USDC Optimism to USDT Optimism rate do this month?
The month came in at plus 0.03%. Low 1, high 1.0009, middle 1.0005 USDT Optimism per USDC Optimism.
Can I go back, USDT Optimism to USDC Optimism?
Yes, the reverse direction is open: 1 USDT Optimism = 0.9995 USDC Optimism. The link sits right under the calculator.

Worth reading

Where else this can go

The other way round

Send USDC Optimism, receive something else

Receive USDT Optimism, send something else

USDC Optimism USDT Optimism All directions All currencies

USD Coin (USDC) against Tether (USDT)

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