Swap USD Coin (USDC Optimism) for Arbitrum (ARB)
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 Sep 17, 2026 12:08
- Payout network
- Arbitrum
- 24 hours
- −7.5%
The direction runs at 5.9995 ARB per USDC Optimism, or 0.166682 USDC Optimism per ARB. Market over 24 hours: USDC Optimism against ARB minus 7.5%. The week added minus 10.15%.
The weekly corridor ran from 5.948 to 7.5381 ARB, a spread of 26.73%.
By market cap USD Coin sits 6th ($73.6 B) and Arbitrum 71th ($1.11 B). Daily moves of USDC and ARB over 90 days line up at -0.01 (they travel apart).
Who takes the USDC Optimism → ARB route
- Entering ARB from dollarsFrom USDC you step into Arbitrum directly, with no coin in between: over the past month ARB moved +120.09%.
- A DeFi protocol tokenArbitrum lives inside decentralised finance: it governs the protocol and pays for what happens in it.
- Different basketsDaily moves of USDC and ARB over 90 days line up at -0.01 (they travel apart) — the looser the link, the less a portfolio depends on one coin.
USDC Optimism → ARB rate and amounts
1 USDC Optimism = 5.9995 ARB
1 ARB = 0.166682 USDC Optimism
Send USDC Optimism — receive ARB
| USDC Optimism | ARB |
|---|---|
| 20 | 119.9892 |
| 100 | 599.9461 |
| 500 | 2,999.73 |
| 5,000 | 29,997.31 |
| 20,000 | 119,989.23 |
| 100,000 | 599,946.14 |
Need ARB — send this much USDC Optimism
| ARB | USDC Optimism |
|---|---|
| 100 | 16.6682 |
| 500 | 83.3408 |
| 2,000 | 333.3633 |
| 20,000 | 3,333.63 |
| 100,000 | 16,668.16 |
| 500,000 | 83,340.81 |
How the USDC Optimism → ARB order runs
- Work out the amount in the calculator and press the exchange button.
- Enter a ARB address in Arbitrum 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, Arbitrum leaves for your address. The order page tracks every step.
Check this before sending USDC Optimism
- The address network is Arbitrum. 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 ARB rate has been
high 7.5381 ARBlow 5.948 ARB
Sep 10, 2026 12:12Sep 17, 2026 12:12
high 13.3119 ARBlow 5.2814 ARB
Aug 18, 2026 03:00Sep 17, 2026 03:00
high 13.746 ARBlow 5.2814 ARB
Jun 19, 2026 03:00Sep 17, 2026 03:00
high 13.746 ARBlow 1.9027 ARB
Sep 18, 2025 03:00Sep 17, 2026 03:00
- 24 hours
- −7.5%
- Week
- −10.15%
- Weekly high
- 7.5381 ARB
- Weekly low
- 5.948 ARB
- Spread
- 26.73%
Market data from CoinGecko as of Sep 17, 2026 11:54; the exchange rate is calculated separately and differs. Where these numbers come from
How far USDC Optimism/ARB travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 6.4736 | 5.948 | 6.1587 | −7.5% |
| Week | 7.5381 | 5.948 | 6.9259 | −10.15% |
| Month | 13.3119 | 5.2814 | 8.9031 | −54.57% |
| Quarter | 13.746 | 5.2814 | 11.1686 | −48.44% |
Figures are in ARB per unit sent, from market data.
Daily USDC Optimism → ARB rate
| Day | Close | Against the day before |
|---|---|---|
| Sep 17, 2026 | 6.0478 ARB | −8.16% |
| Sep 16, 2026 | 6.585 ARB | −11.95% |
| Sep 15, 2026 | 7.479 ARB | −0.31% |
| Sep 14, 2026 | 7.5019 ARB | +5.34% |
| Sep 13, 2026 | 7.1215 ARB | −0.61% |
| Sep 12, 2026 | 7.1652 ARB | +0.25% |
| Sep 11, 2026 | 7.1472 ARB | +6.83% |
The numbers on USDC and ARB
USD Coin USDC- Price
- $0.999551
- 24 hours
- −0.01%
- Week
- 0%
- Market cap
- $73.6 B
- 24-hour turnover
- $18.23 B
- Rank by cap
- #6
- In circulation
- 73.64 B USDC
- Record price
- $1.04
Arbitrum ARB- Price
- $0.16629
- 24 hours
- +8.09%
- Week
- +9.4%
- Market cap
- $1.11 B
- 24-hour turnover
- $511.87 M
- Rank by cap
- #71
- In circulation
- 6.68 B ARB
- Record price
- $2.39
Source: CoinGecko, Sep 17, 2026 11:54.
USD Coin against Arbitrum
| USD Coin (USDC) | Arbitrum (ARB) | |
|---|---|---|
| Ticker | USDC | ARB |
| Type | token | token |
| Network | Optimism | — |
| Fees are paid in | ETH | — |
| Launched | 2018 | 2023 |
| Built by | Circle | Offchain Labs |
| Supply cap | no cap | 10 B ARB |
| In circulation | 73.64 B USDC | 6.68 B ARB |
| Market cap | $73.6 B | $1.11 B |
| Rank by cap | #6 | #71 |
Daily moves of USDC and ARB over 90 days line up at -0.01 — they travel apart.
Common questions: USDC Optimism → ARB
What rate does USDC Optimism to ARB run at?
As of Sep 17, 2026 12:08 it is 1 USDC Optimism = 5.9995 ARB. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.99765.
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 ARB 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 ARB arrive in?
Arbitrum leaves in its own Arbitrum network — a plain ARB address is all you need.
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 ARB rate do this month?
The month came in at minus 54.57%. Low 5.2814, high 13.3119, middle 8.9031 ARB per USDC Optimism.
Can I go back, ARB to USDC Optimism?
Yes, the reverse direction is open: 1 ARB = 0.168026 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
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USDC Optimism → AUDIO79.6753
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USDC Optimism → AVNT10.3307
USDC Optimism → AXS1.0752
USDC Optimism → BANANA0.263424
USDC Optimism → BAND5.5116
USDC Optimism → BCH0.00443445
