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Convert and swap Optimism OP to Arbitrum ARB

OP/ARB: 1 Optimism equals 2.28 ARB

Last update: 8:22 AM, April 24, 2025

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Optimism market latest

Optimism is falling this week.

The current OP to ARB conversion rate is 2.28. Inversely, this means that if you convert 1 ARB you will get 0.44 OP.

The conversion rate of OP/ARB has decreased by 0.47% in the last hour and shrunk by 1.1% in the last 24 hours.

$1.24B
$129.92M
1.7B OP

Arbitrum is climbing this week.

The current ARB to OP conversion rate is 0.44. Inversely, this means that if you convert 1 OP you will get 2.28 ARB.

The conversion rate of ARB/OP has increased by 0.47% in the last hour and grown by 1.1% in the last 24 hours.

$1.57B
$189.02M
4.8B ARB

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About Optimism

Optimism is a layer two protocol and smart contract platform that aims to enable low-cost and near-instantaneous Ethereum transactions. The OP cryptocurrency powers the Token House, which will be a division of the Optimism Collective alongside the Citizens' House. The Collective governs network parameters, treasury disbursements, and protocol upgrades.

About Arbitrum

ARB is the utility token of Arbitrum, an Ethereum layer-2 network. ARB functions as the governance token of the Arbitrum DAO, as holders may create and vote on governance proposals.

Frequently asked questions

How much is 1 Optimism in ARB?

Right now, 1 Optimism is worth about 2.28 ARB.

How much OP could I buy for 1 ARB?

Based on the current rate, you could get 0.44 OP for 1 ARB.

How much has the price of Optimism changed?

Optimism price has been declining. Since yesterday, the exchange rate of Optimism has decreased. Since last month, the exchange rate of Optimism has decreased. Since this time last year, the price of Optimism has decreased.

How do I calculate or convert OP to ARB?

You can use our OP to ARB calculator at the top of this page to convert any amount of OP to ARB. We've also created a couple of quick reference tables for the most popular conversions. For example, 5 ARB is equivalent to 2.19 OP. Inversely, 5 OP will cost about 11.4 ARB.

How can I buy 1 Optimism on Coinbase?

Optimism is currently available to buy on Coinbase's centralized exchange. Check out our guide to get more detailed instructions on how to buy Optimism.

What are assets similar to Optimism that I can buy?

There are a number of crypto assets that have the a similar or comparable market cap to Optimism, including KuCoin Token, Aave MKR V2, and Maker. For a more robust list of assets to explore, jump to the asset page dedicated to Optimism.

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Create a Coinbase account to buy and sell Optimism on the most secure crypto exchange.

OP to ARB conversion tables

The exchange rate of Optimism is increasing.

The current value of 1 OP is 2.28 ARB. In other words, to buy 5 Optimism, it would cost you 11.40 ARB. Inversely, 1 ARB would allow you to trade for 0.44 OP while 50 ARB would convert to 21.94 OP, not including platform or gas fees.

In the last 7 days, the exchange rate has fallen by 0.3%. Meanwhile, in the last 24 hours, the rate has changed by 1.04%, and that the the highest exchange rate of 1 OP to ARB was 2.32 ARB and the lowest 24 hour value was 1 OP for 2.25 ARB. This time last month, the value of 1 OP was 2.35 ARB, which is a 2.99% increase from where it is now. Looking back a year, Optimism has changed by 2.22 ARB. That means that in a single year, the value of Optimism has grown by 2.63%.

OP to ARB performance history

Price 24H ago
Change 24H
Price 1W ago
Change 1W
Price 1M ago
Change 1M
Price 1Y ago
Change 1Y
2.30 ARB
-1.04%
2.29 ARB
-0.30%
2.35 ARB
-2.99%
2.22 ARB
+2.63%

OP to ARB

Amount (OP)
Today at 8:22 am
0.5 OP
1.14 ARB
1 OP
2.28 ARB
5 OP
11.40 ARB
10 OP
22.79 ARB
50 OP
113.95 ARB
100 OP
227.91 ARB
500 OP
1,139.54 ARB
1,000 OP
2,279.08 ARB

ARB to OP

Amount (ARB)
Today at 8:22 am
0.5 ARB
0.22 OP
1 ARB
0.44 OP
5 ARB
2.19 OP
10 ARB
4.39 OP
50 ARB
21.94 OP
100 ARB
43.88 OP
500 ARB
219.39 OP
1,000 ARB
438.77 OP

Today vs. 24 hours ago

Amount
Today at 8:22 am
24 hours ago
24H Change
0.5 OP
1.14 ARB
1.15 ARB
-1.04%
1 OP
2.28 ARB
2.30 ARB
-1.04%
5 OP
11.40 ARB
11.51 ARB
-1.04%
10 OP
22.79 ARB
23.03 ARB
-1.04%
50 OP
113.95 ARB
115.14 ARB
-1.04%
100 OP
227.91 ARB
230.29 ARB
-1.04%
500 OP
1,139.54 ARB
1,151.44 ARB
-1.04%
1,000 OP
2,279.08 ARB
2,302.88 ARB
-1.04%

Today vs. 1 month ago

Amount
Today at 8:22 am
1 month ago
1M Change
0.5 OP
1.14 ARB
1.17 ARB
-2.99%
1 OP
2.28 ARB
2.35 ARB
-2.99%
5 OP
11.40 ARB
11.74 ARB
-2.99%
10 OP
22.79 ARB
23.47 ARB
-2.99%
50 OP
113.95 ARB
117.36 ARB
-2.99%
100 OP
227.91 ARB
234.71 ARB
-2.99%
500 OP
1,139.54 ARB
1,173.56 ARB
-2.99%
1,000 OP
2,279.08 ARB
2,347.11 ARB
-2.99%

Today vs. 1 year ago

Amount
Today at 8:22 am
1 year ago
1Y Change
0.5 OP
1.14 ARB
1.11 ARB
+2.63%
1 OP
2.28 ARB
2.22 ARB
+2.63%
5 OP
11.40 ARB
11.10 ARB
+2.63%
10 OP
22.79 ARB
22.19 ARB
+2.63%
50 OP
113.95 ARB
110.96 ARB
+2.63%
100 OP
227.91 ARB
221.92 ARB
+2.63%
500 OP
1,139.54 ARB
1,109.61 ARB
+2.63%
1,000 OP
2,279.08 ARB
2,219.21 ARB
+2.63%

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