USDC Optimism (OP Mainnet (Optimism)) → USDT Arbitrum (Arbitrum One)
The stablecoin leaves for another network: you send USDC Optimism in OP Mainnet (Optimism) and take USDT Arbitrum in Arbitrum One. All of it is one order.
Rate and amounts for USDC Optimism → USDT Arbitrum
1 USDC Optimism = 1.0014 USDT Arbitrum
1 USDT Arbitrum = 0.998612 USDC Optimism
Rate as of Nov 1, 2026 08:24
- Orders from
- 100.67 USDC Optimism ≈ $100.67
- Payout network
- Arbitrum One
- 24 hours
- −0.01%
Current maths: 1.0014 USDT Arbitrum for every USDC Optimism, and 0.998612 USDC Optimism per USDT Arbitrum in reverse. Over 24 hours USDC Optimism/USDT Arbitrum came in at minus 0.01%. Over the week, minus 0.01%.
The weekly range ran from 1.0003 to 1.0012 USDT Arbitrum, a spread of 0.09%. One order takes from 100.67 to 10,000,000 USDC Optimism. In dollars that is roughly $100.67.
The robot sends the payout in the Arbitrum One network, so the address has to belong to that network — a transfer to another one will not arrive. Market capitalisation puts USD Coin at No. 6 ($71.72 B) and Tether at No. 3 ($180.04 B). Over 90 days the daily moves of USDC and USDT correlate at 0.13 (they travel apart).
Which network USDT arrives in
The same USDT goes out in several networks. Each has its own rate and its own floor, and the fee is charged by the network itself.
| Network | Per 1 USDC Optimism | From | Network fee | Speed |
|---|---|---|---|---|
| Ethereum (ERC20) | 1.0014 | 100.67 USDC Optimism | ≈ $0.0061 | medium |
| TRON (TRC20) | 1.0014 | 100.67 USDC Optimism | ≈ $2.1 | fast |
| BNB Smart Chain (BEP20) | 1.0014 | 100.67 USDC Optimism | ≈ $0.0023 | fast |
| Solana | 1.0014 | 100.67 USDC Optimism | ≈ $0.00048 | fast |
| Arbitrum One open | 1.0014 | 100.67 USDC Optimism | ≈ $0.0029 | fast |
| Avalanche C-Chain | 1.0014 | 100.67 USDC Optimism | ≈ $0.0014 | fast |
| NEAR | 1.0014 | 100.67 USDC Optimism | — | — |
| Optimism | 1.0014 | 100.67 USDC Optimism | ≈ $0.00015 | fast |
Rate and amounts for USDC Optimism → USDT Arbitrum
| USDC Optimism | USDT Arbitrum |
|---|---|
| 200 | 200.278 |
| 1,000 | 1,001.39 |
| 2,000 | 2,002.78 |
| 10,000 | 10,013.9 |
| 20,000 | 20,027.8 |
| 100,000 | 100,139 |
| USDT Arbitrum | USDC Optimism |
|---|---|
| 200 | 199.7224 |
| 1,000 | 998.6119 |
| 2,000 | 1,997.22 |
| 10,000 | 9,986.12 |
| 20,000 | 19,972.24 |
| 100,000 | 99,861.19 |
How the USDC Optimism → USDT Arbitrum exchange runs
- Work out the amount in the calculator — orders start at 100.67 USDC Optimism.
- Give a USDT address on Arbitrum One and a contact for the order.
- Send USDC Optimism on Optimism, exactly the amount the order shows.
- Nothing else is needed from you: as soon as the network confirms the transfer, the robot sends Tether to your address. The order page shows the status.
Check this before sending USDC Optimism
- The address network is Arbitrum One. Sending through another network almost always means losing the transfer.
- The transfer must not be smaller than 100.67 USDC Optimism.
- 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 Arbitrum One.
- Keep a reserve of ETH at the same address — without it USDT 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 USDC Optimism to USDT Arbitrum rate has moved
high 1.0012 USDT Arbitrumlow 1.0003 USDT Arbitrum
Oct 25, 2026 08:26Nov 1, 2026 08:26
high 1.0009 USDT Arbitrumlow 1 USDT Arbitrum
Oct 1, 2026 05:00Oct 31, 2026 05:00
high 1.0009 USDT Arbitrumlow 0.999785 USDT Arbitrum
Aug 2, 2026 05:00Oct 31, 2026 05:00
high 1.0032 USDT Arbitrumlow 0.99687 USDT Arbitrum
Nov 1, 2025 05:00Oct 31, 2026 05:00
- 24 hours
- −0.01%
- Week
- −0.01%
- Weekly high
- 1.0012 USDT Arbitrum
- Weekly low
- 1.0003 USDT Arbitrum
- 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 USDC Optimism/USDT Arbitrum spread by period
| Period | High | Low | Middle | Period result |
|---|---|---|---|---|
| 24 hours | 1.0007 | 1.0005 | 1.0006 | −0.01% |
| Week | 1.0012 | 1.0003 | 1.0006 | −0.01% |
| Month | 1.0009 | 1 | 1.0004 | +0.03% |
| Quarter | 1.0009 | 0.999785 | 1.0003 | +0.03% |
Figures are in USDT Arbitrum per unit of the currency you send, taken from market data.
Daily USDC Optimism → USDT Arbitrum rate
| Day | Close | Against the day before |
|---|---|---|
| Oct 31, 2026 | 1.0006 USDT Arbitrum | −0.02% |
| Oct 30, 2026 | 1.0008 USDT Arbitrum | +0.04% |
| Oct 29, 2026 | 1.0004 USDT Arbitrum | −0.01% |
| Oct 28, 2026 | 1.0005 USDT Arbitrum | −0.02% |
| Oct 27, 2026 | 1.0007 USDT Arbitrum | 0% |
| Oct 26, 2026 | 1.0007 USDT Arbitrum | +0.03% |
| Oct 25, 2026 | 1.0004 USDT Arbitrum | −0.01% |
How the Velorex rate moved: USDC Optimism → USDT Arbitrum day by day
| Day | Velorex rate | Market rate |
|---|---|---|
| Nov 1, 2026 | 1.0014 USDT Arbitrum | 1.0005 |
| Oct 31, 2026 | 1.0013 USDT Arbitrum | 1.0005 |
| Oct 30, 2026 | 1.0017 USDT Arbitrum | 1.0007 |
| Oct 29, 2026 | 1.0012 USDT Arbitrum | 1.0006 |
| Oct 28, 2026 | 1.0008 USDT Arbitrum | 1.0004 |
| Oct 27, 2026 | 1.0012 USDT Arbitrum | 1.0005 |
| Oct 26, 2026 | 1.0014 USDT Arbitrum | 1.0006 |
| Oct 25, 2026 | 1.0011 USDT Arbitrum | 1.0006 |
| Oct 24, 2026 | 1.0013 USDT Arbitrum | 1.0004 |
| Oct 23, 2026 | 1.0012 USDT Arbitrum | 1.0005 |
| Oct 22, 2026 | 1.0007 USDT Arbitrum | 1.0005 |
| Oct 21, 2026 | 1.0009 USDT Arbitrum | 1.0003 |
| Oct 20, 2026 | 1.0007 USDT Arbitrum | 1.0005 |
| Oct 19, 2026 | 1.001 USDT Arbitrum | 1.0007 |
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: USDC and USDT
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
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
Source: CoinGecko, Nov 1, 2026 07:57.
USD Coin and Tether: how they differ
| USD Coin (USDC) | Tether (USDT) | |
|---|---|---|
| Ticker | USDC | USDT |
| Type | token | token |
| Network | Optimism | Arbitrum One |
| Fees are paid in | ETH | ETH |
| Launched | 2018 | 2014 |
| Built by | Circle | Tether Limited |
| Supply cap | no cap | no cap |
| In circulation | 71.72 B USDC | 180.12 B USDT |
| Market cap | $71.72 B | $180.04 B |
| Rank by cap | #6 | #3 |
Daily moves of USDC and USDT over the quarter link at 0.13 (they travel apart).
Compared: OP Mainnet (Optimism) and Arbitrum One
| OP Mainnet (Optimism) | Arbitrum One | |
|---|---|---|
| What kind of network | Optimistic rollup (L2) | Optimistic rollup (L2) |
| What pays the fee | ETH | ETH |
| How expensive | ≈ $0.00015 | ≈ $0.0029 |
| How fast | fast | fast |
| Block time | ~2 sec | ~0.25 sec |
| Address format | 0x… | 0x… |
| Memo or tag needed | not required | not required |
| Ethereum-format address (0x…) | yes | yes |
| Withdrawal to Ethereum through the official bridge | ≈ 7 days — the challenge window runs | ≈ 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
| Velorex | Ordinary bridge | |
|---|---|---|
| What arrives at the address | the USDT token in the Arbitrum One network | The very same stablecoin: turning USDT into USDC is one more operation |
| Wallet connection and signatures | We do without them: the payout goes to the address from the order | Mandatory: the wallet is connected, contract transactions are signed |
| Is a Arbitrum One coin needed for fees | Not required to receive | As a rule yes, otherwise the funds cannot be claimed or moved on |
| When it arrives | As soon as OP Mainnet (Optimism) gathers confirmations; the status is shown on the order page | Set by the bridge itself and by the load on both networks |
| Who holds the funds on the way | Velorex — until the order is closed by the payout | The smart contract of the bridge or its validators |
OP Mainnet (Optimism) → Arbitrum One: the full list of directions The Arbitrum One blockchain
Why people take the USDC Optimism → USDT Arbitrum route
- It works both waysThe USDT Arbitrum → USDC Optimism direction is open as well — going back into USDC takes the same route and the same automation.
Common questions: USDC Optimism → USDT Arbitrum
What rate does USDC Optimism to USDT Arbitrum run at?
As of Nov 1, 2026 08:24 it is 1 USDC Optimism = 1.0014 USDT Arbitrum. The figure updates on its own, and the calculator always shows the current one. On the market that is around $1.00.
What amounts does USDC Optimism → USDT Arbitrum accept?
From 100.67 to 10,000,000 USDC Optimism per order. The floor is roughly $100.67.
Why can I not swap less than 100.67 USDC Optimism?
The network fee and the handling do not depend on the amount. On a transfer below 100.67 USDC Optimism 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 USDC Optimism, and the blockchain takes that one.
How long does swapping USDC Optimism for USDT Arbitrum take?
The clock starts with confirmations: as soon as Optimism 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 Optimism closes in about 2 sec.
Will real USDT be credited, or a wrapper?
USDT Arbitrum is the ordinary USDT token of the Arbitrum One network: exactly the same one an exchange sends when you withdraw into this blockchain.
Is ETH needed to receive USDT Arbitrum?
Not to receive. ETH comes in handy later, when you decide to move USDT from your address.
Which network will USDT Arbitrum arrive in?
The payout goes out on Arbitrum One. Check that the receiving wallet supports that network.
Which network is cheaper for receiving USDT?
Usually USDT BEP20, USDT SOL, USDT Arbitrum, USDT AVAX C, USDT Optimism 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 USDC Optimism to USDT Arbitrum rate do over the month?
Over the month, plus 0.03%: a low of 1, a high of 1.0009, an average of 1.0004 USDT Arbitrum per 1 USDC Optimism.
Can I swap back, USDT Arbitrum for USDC Optimism?
Yes, the reverse is open too: 1 USDT Arbitrum = 0.998592 USDC Optimism. The link to switch sits under the calculator.
Related reading
Other directions
The other way round
Send USDC Optimism, receive something else
USDC Optimism → XMR0.00165539
USDC Optimism → TUSD ERC201.0016- USDC Optimism → TUSD TRC201.0016
USDC Optimism → USD11.0026- USDC Optimism → USDC Arbitrum1.001
- USDC Optimism → USDC BASE1.001
- USDC Optimism → USDC BEP201.001
- USDC Optimism → USDC AVAX C1.001
Receive USDT Arbitrum, send something else
- USDC Polygon → USDT Arbitrum1.0014
- USDC SOL → USDT Arbitrum1.0014
- USDC TRC20 → USDT Arbitrum1.0014
- USDC XLM → USDT Arbitrum1.0014
USDS → USDT Arbitrum1.0008- USDT BEP20 → USDT Arbitrum1.001
- USDT AVAX C → USDT Arbitrum1.001
- USDT ERC20 → USDT Arbitrum1.001
USDC Optimism USDT Arbitrum All directions All currencies
USD Coin (USDC) and Tether (USDT): a comparison
OP Mainnet (Optimism) → Arbitrum One: the full list of directions All networks and routes