Swap USDC Optimism to ARB — USD Coin to Arbitrum Rate

The direction runs at 6.098 ARB per USDC Optimism, or 0.163988 USDC Optimism per ARB. Market over 24 hours: USDC Optimism against ARB minus 1.04%. The week added plus 1.23%.

The weekly corridor ran from 5.7036 to 6.5208 ARB, a spread of 14.33%.

By market cap USD Coin sits 6th ($71.55 B) and Arbitrum 71th ($1.13 B). Daily moves of USDC and ARB over 90 days line up at 0.04 (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 −18.06%.
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 0.04 (they travel apart) — the looser the link, the less a portfolio depends on one coin.

USDC Optimism → ARB rate and amounts

1 USDC Optimism = 6.098 ARB

1 ARB = 0.163988 USDC Optimism

Send USDC Optimism — receive ARB

USDC Optimism	ARB
10	60.9799
50	304.8996
500	3,049
2,000	12,195.99
20,000	121,959.85
100,000	609,799.27

Need ARB — send this much USDC Optimism

ARB	USDC Optimism
100	16.3988
500	81.9942
2,000	327.9768
20,000	3,279.77
100,000	16,398.84
500,000	81,994.19

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.

Swap USDC Optimism for ARB

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

WeekMonthQuarterYear

high 6.5208 ARBlow 5.7036 ARB

Oct 25, 2026 20:35Nov 1, 2026 20:35

high 6.4775 ARBlow 4.8081 ARB

Oct 2, 2026 03:00Nov 1, 2026 03:00

high 13.746 ARBlow 4.2557 ARB

Aug 3, 2026 03:00Nov 1, 2026 03:00

high 13.746 ARBlow 3.2484 ARB

Nov 2, 2025 03:00Nov 1, 2026 03:00

24 hours: −1.04%
Week: +1.23%
Weekly high: 6.5208 ARB
Weekly low: 5.7036 ARB
Spread: 14.33%

Market data from CoinGecko as of Nov 1, 2026 16:54; 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	6.176	6.0672	6.1035	−1.04%
Week	6.5208	5.7036	6.0262	+1.23%
Month	6.4775	4.8081	5.4736	+22.03%
Quarter	13.746	4.2557	7.7348	−50.18%

Figures are in ARB per unit sent, from market data.

Daily USDC Optimism → ARB rate

Day	Close	Against the day before
Nov 1, 2026	6.1094 ARB	−0.46%
Oct 31, 2026	6.1375 ARB	−5.25%
Oct 30, 2026	6.4775 ARB	+11.53%
Oct 29, 2026	5.808 ARB	−2.83%
Oct 28, 2026	5.9772 ARB	+0.8%
Oct 27, 2026	5.9299 ARB	+0.01%
Oct 26, 2026	5.9294 ARB	+0.4%

Daily RubyCash rate: USDC Optimism → ARB

Date	RubyCash rate	Market rate
Nov 1, 2026	6.0575 ARB	6.1233
Oct 31, 2026	6.1241 ARB	6.075
Oct 30, 2026	6.1998 ARB	6.1287
Oct 29, 2026	6.5183 ARB	6.4612
Oct 28, 2026	5.8285 ARB	5.7742
Oct 27, 2026	6.0392 ARB	5.9907
Oct 26, 2026	6.0319 ARB	5.9508
Oct 25, 2026	5.9215 ARB	5.9393
Oct 24, 2026	6.0031 ARB	5.969
Oct 22, 2026	5.5664 ARB	5.5432
Oct 21, 2026	5.257 ARB	5.1139
Oct 20, 2026	5.3382 ARB	5.2522
Oct 19, 2026	5.0734 ARB	5.2157
Oct 18, 2026	5.4514 ARB	5.4635

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 ARB

USD Coin USDC

Price: $0.999966
24 hours: +0.01%
Week: +0.03%
Market cap: $71.55 B
24-hour turnover: $5.91 B
Rank by cap: #6
In circulation: 71.55 B USDC
Record price: $1.04

Arbitrum ARB

Price: $0.163306
24 hours: +1.06%
Week: −1.8%
Market cap: $1.13 B
24-hour turnover: $85.71 M
Rank by cap: #71
In circulation: 6.89 B ARB
Record price: $2.39

Source: CoinGecko, Nov 1, 2026 16:54.

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	71.55 B USDC	6.89 B ARB
Market cap	$71.55 B	$1.13 B
Rank by cap	#6	#71

Daily moves of USDC and ARB over 90 days line up at 0.04 — they travel apart.

Common questions: USDC Optimism → ARB

What rate does USDC Optimism to ARB run at?

As of Nov 1, 2026 20:34 it is 1 USDC Optimism = 6.098 ARB. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.995839.

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 plus 22.03%. Low 4.8081, high 6.4775, middle 5.4736 ARB per USDC Optimism.

Can I go back, ARB to USDC Optimism?

Yes, the reverse direction is open: 1 ARB = 0.165311 USDC Optimism. The link sits right under the calculator.

Swap USD Coin (USDC Optimism) for Arbitrum (ARB)

Who takes the USDC Optimism → ARB route

USDC Optimism → ARB rate and amounts

Send USDC Optimism — receive ARB

Need ARB — send this much USDC Optimism

How the USDC Optimism → ARB order runs

Check this before sending USDC Optimism

Where the USDC Optimism to ARB rate has been

How far USDC Optimism/ARB travelled, by period

Daily USDC Optimism → ARB rate

Daily RubyCash rate: USDC Optimism → ARB

The numbers on USDC and ARB

USD Coin against Arbitrum

Common questions: USDC Optimism → ARB

Worth reading

Swap USD Coin (USDC Optimism) for Arbitrum (ARB)

Who takes the USDC Optimism → ARB route

USDC Optimism → ARB rate and amounts

Send USDC Optimism — receive ARB

Need ARB — send this much USDC Optimism

How the USDC Optimism → ARB order runs

Check this before sending USDC Optimism

Where the USDC Optimism to ARB rate has been

How far USDC Optimism/ARB travelled, by period

Daily USDC Optimism → ARB rate

Daily RubyCash rate: USDC Optimism → ARB

The numbers on USDC and ARB

USD Coin against Arbitrum

Common questions: USDC Optimism → ARB

Worth reading

Where else this can go

The other way round

Send USDC Optimism, receive something else

Receive ARB, send something else