USDC: moving from OP Mainnet (Optimism) to Arbitrum One
The same USDC, only in another network: send USDC Optimism and collect USDC Arbitrum at your own address in Arbitrum One. No bridge contracts, no signatures, no wrapped tokens.
Rate as of Sep 18, 2026 03:58
- Payout network
- Arbitrum One
- 24 hours
- 0%
You get
USDC Arbitrum
Start the order
USDC Arbitrum
The figure is indicative; the exact amount is locked in the order.
One USDC Optimism buys 1.0001 USDC Arbitrum right now; the other way round, 1 USDC Arbitrum is 0.9999 USDC Optimism. Market over 24 hours: USDC Optimism against USDC Arbitrum a move of 0%. The week added a move of 0%.
The weekly corridor ran from 1 to 1 USDC Arbitrum, a spread of 0%.
The payout leaves in the Arbitrum One network, so the receiving address has to belong to that network.
Who takes the USDC Optimism → USDC Arbitrum route
- Moving between networksUSDC in Optimism (fee ≈ $0.00016) becomes Arbitrum One (fee ≈ $0.0032) — the usual way to top up a wallet or an exchange that speaks one network only.
- A road both waysThe USDC Arbitrum → USDC Optimism direction is open too, so going back into USDC takes the same route.
USDC Optimism → USDC Arbitrum rate and amounts
1 USDC Optimism = 1.0001 USDC Arbitrum
1 USDC Arbitrum = 0.9999 USDC Optimism
Send USDC Optimism — receive USDC Arbitrum
| USDC Optimism | USDC Arbitrum |
|---|---|
| 20 | 20.002 |
| 100 | 100.01 |
| 500 | 500.05 |
| 5,000 | 5,000.5 |
| 20,000 | 20,002 |
| 100,000 | 100,010 |
Need USDC Arbitrum — send this much USDC Optimism
| USDC Arbitrum | USDC Optimism |
|---|---|
| 20 | 19.998 |
| 100 | 99.99 |
| 500 | 499.95 |
| 5,000 | 4,999.5 |
| 20,000 | 19,998 |
| 100,000 | 99,990 |
Payout network for USDC
The same USDC goes out in several networks. Rates and lower limits differ, and the fee is charged by the network itself.
| Network | Per USDC Optimism | From | Network fee | Speed |
|---|---|---|---|---|
| Ethereum (ERC20) | 1.0001 | 200 USDC Optimism | ≈ $0.0089 | medium |
| Solana | 1.0001 | 200 USDC Optimism | ≈ $0.0005 | fast |
| Polygon | 1.0001 | 200 USDC Optimism | ≈ $0.0018 | fast |
| Arbitrum One open now | 1.0001 | — | ≈ $0.0032 | fast |
| BASE | 1.0001 | — | — | — |
| BNB Smart Chain (BEP20) | 1.0001 | — | ≈ $0.0024 | fast |
| Avalanche C-Chain | 1.0001 | — | ≈ < $0.0001 | fast |
| NEAR | 1.0001 | — | — | — |
| XLM | 1.0001 | — | — | — |
How the USDC Optimism → USDC Arbitrum order runs
- Work out the amount in the calculator and press the exchange button.
- Enter a USDC address in Arbitrum One and a way to reach you.
- Send USDC Optimism in Optimism for exactly the amount stated in the order.
- Once the network confirms your transfer, USD Coin Arbitrum leaves for your address. The order page tracks every step.
Check this before sending USDC Optimism
- The address network is Arbitrum One. Sending through another network usually means losing the transfer.
- Copy the address whole, then compare the first and last characters after pasting.
- Ethereum, Arbitrum, Optimism, BNB Smart Chain and Polygon all use the same address shape (0x…). Make sure the wallet is switched to Arbitrum One.
- To move USDC on later, put a little ETH at the same address.
- Coins go through an AML check: a flagged transfer can be held until the check is finished.
OP Mainnet (Optimism) against Arbitrum One
| OP Mainnet (Optimism) | Arbitrum One | |
|---|---|---|
| Network type | L2, optimistic rollup | L2, optimistic rollup |
| Fees are paid in | ETH | ETH |
| Fee level | ≈ $0.00016 | ≈ $0.0032 |
| Speed | fast | fast |
| Block | ~2 sec | ~0.25 sec |
| Address shape | 0x… | 0x… |
| Memo or tag | not needed | not needed |
| Ethereum-style address (0x…) | yes | yes |
| Official withdrawal to Ethereum | ≈ 7 days (challenge period) | ≈ 7 days (challenge period) |
Fee and speed levels are comparative: both move with how busy the network is.
How this differs from a classic bridge
| RubyCash | Classic bridge | |
|---|---|---|
| What lands at your address | USDC in Arbitrum One | Depends: in some networks it is the bridged version of the token |
| Wallet and signatures | Not needed: the coins go to the address from the order | Needed: connect the wallet and sign contract transactions |
| A coin for fees in Arbitrum One | Not needed to receive | Often needed, or the funds cannot be claimed or moved on |
| Timing | After confirmations in OP Mainnet (Optimism); the order page tracks it | Depends on the bridge and the load of both networks |
| Who holds the funds meanwhile | RubyCash for the life of the order, with an AML check | The bridge contract or its validators |
Bridge OP Mainnet (Optimism) → Arbitrum One: all directions The Arbitrum One network
Where the USDC Optimism to USDC Arbitrum rate has been
high 1 USDC Arbitrumlow 1 USDC Arbitrum
Sep 11, 2026 04:02Sep 18, 2026 04:02
high 1 USDC Arbitrumlow 1 USDC Arbitrum
Aug 18, 2026 03:00Sep 17, 2026 03:00
high 1 USDC Arbitrumlow 1 USDC Arbitrum
Jun 19, 2026 03:00Sep 17, 2026 03:00
high 1 USDC Arbitrumlow 1 USDC Arbitrum
Sep 18, 2025 03:00Sep 17, 2026 03:00
- 24 hours
- 0%
- Week
- 0%
- Weekly high
- 1 USDC Arbitrum
- Weekly low
- 1 USDC Arbitrum
- Spread
- 0%
Market data from CoinGecko as of Sep 18, 2026 01:24; the exchange rate is calculated separately and differs. Where these numbers come from
How far USDC Optimism/USDC Arbitrum travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 1 | 1 | 1 | 0% |
| Week | 1 | 1 | 1 | 0% |
| Month | 1 | 1 | 1 | 0% |
| Quarter | 1 | 1 | 1 | 0% |
Figures are in USDC Arbitrum per unit sent, from market data.
Daily USDC Optimism → USDC Arbitrum rate
| Day | Close | Against the day before |
|---|---|---|
| Sep 17, 2026 | 1 USDC Arbitrum | 0% |
| Sep 16, 2026 | 1 USDC Arbitrum | 0% |
| Sep 15, 2026 | 1 USDC Arbitrum | 0% |
| Sep 14, 2026 | 1 USDC Arbitrum | 0% |
| Sep 13, 2026 | 1 USDC Arbitrum | 0% |
| Sep 12, 2026 | 1 USDC Arbitrum | 0% |
| Sep 11, 2026 | 1 USDC Arbitrum | 0% |
Daily RubyCash rate: USDC Optimism → USDC Arbitrum
| Date | RubyCash rate | Market rate |
|---|---|---|
| Sep 18, 2026 | 1.0001 USDC Arbitrum | 1 |
| Sep 17, 2026 | 1.0001 USDC Arbitrum | 1 |
| Sep 16, 2026 | 1.0001 USDC Arbitrum | 1 |
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
USD Coin USDC- Price
- $0.999648
- 24 hours
- −0.01%
- Week
- 0%
- Market cap
- $73.86 B
- 24-hour turnover
- $15.35 B
- Rank by cap
- #6
- In circulation
- 73.88 B USDC
- Record price
- $1.04
Source: CoinGecko, Sep 18, 2026 01:24.
Common questions: USDC Optimism → USDC Arbitrum
What rate does USDC Optimism to USDC Arbitrum run at?
As of Sep 18, 2026 03:58 it is 1 USDC Optimism = 1.0001 USDC Arbitrum. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.999748.
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 USDC Arbitrum 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. A block in Optimism closes in about 2 sec.
Which network will USDC Arbitrum arrive in?
The payout leaves in Arbitrum One. Make sure the receiving wallet works with that network.
Where is receiving USDC cheaper?
The cheapest is usually USDC SOL, USDC Polygon, USDC Arbitrum, USDC BEP20, USDC AVAX C. Still, the network is chosen by what the recipient supports, not by the fee.
Will native USDC arrive, or a wrapper?
USDC Arbitrum is the standard USDC token in Arbitrum One — exactly what exchanges send when they withdraw into this network.
Do I need ETH to receive USDC Arbitrum?
Not to receive. ETH comes into play later, when you want to send USDC from your address.
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 USDC Arbitrum rate do this month?
The month came in at a move of 0%. Low 1, high 1, middle 1 USDC Arbitrum per USDC Optimism.
Can I go back, USDC Arbitrum to USDC Optimism?
Yes, the reverse direction is open: 1 USDC Arbitrum = 1.0001 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
USDC Optimism → USDS1.0006
USDC Optimism → USDT Arbitrum1.001- USDC Optimism → USDT BEP201.001
- USDC Optimism → USDT AVAX C1.001
- USDC Optimism → USDT ERC201.001
- USDC Optimism → USDT NEAR1.001
- USDC Optimism → USDT OMNI1.001
- USDC Optimism → USDT Optimism1.001
Receive USDC Arbitrum, send something else
- USDC Polygon → USDC Arbitrum1.0001
- USDC SOL → USDC Arbitrum1.0001
- USDC XLM → USDC Arbitrum1.0001
- USDS → USDC Arbitrum0.9996
- USDT Arbitrum → USDC Arbitrum0.999201
- USDT BEP20 → USDC Arbitrum0.999201
- USDT AVAX C → USDC Arbitrum0.999201
- USDT ERC20 → USDC Arbitrum0.999201
USDC Optimism USDC Arbitrum All directions All currencies
Bridge OP Mainnet (Optimism) → Arbitrum One: all directions All bridges