How can I find the lowest fee crypto exchange to swap OP and SEI?

SwapSpace is focused on providing our users with several exchange options for the given pair, so you can always compare offers and choose the cryptocurrency exchange with the lowest fees. We also provide the exchange time estimates and rate the support level of our partners, so that you can take those into consideration and make the best choice for yourself while swapping OP and SEI.

Can I exchange my crypto without KYC on SwapSpace?

We at SwapSpace care about your privacy — this means that SwapSpace itself won’t ask you to go through KYC/AML to swap your cryptocurrency . However, our partners may have different rules — for example, there can be a selective KYC check if your exchange details get you flagged as a potential person of interest.

Is there a way to predict cryptocurrency prices - for example, for OP and SEI?

Crypto currency prices are famously volatile, so trying to forecast them is a very daunting task. However, if you like to read what the experts have to say about the future of crypto, you may find those pages interesting: OP price prediction SEI price prediction Remember to always do your own research, though. Have fun!

Are there limits for exchanging OP and SEI?

There is a lower limit, which depends on the partner and usually stays below $20 worth of crypto. Besides that, SwapSpace does not have any limits, so enjoy your crypto swaps!

Instead of exchanging, can I buy SEI? If so, how to buy cryptocurrency?

You can buy a number of different coins on SwapSpace, and we are planning to continuously expand that list! So check the available cryptocurrencies you can buy — if SEI is there, then you have the option to keep your OP and just buy cryptocurrency with your card!

Swap Optimism (OP) to Sei (SEI)

Name: Exchange Optimism (OP) to Sei (SEI)
Brand: SwapSpace
Rating: 4.5 (926 reviews)

If you’re looking to exchange Optimism to Sei coins, you came to the right place! Our mission here at SwapSpace is to provide you with a number of exchange options from our partners, so that you can compare the offers and choose the best crypto exchange for you needs. On this page, you can read more about your coins, look at OP/SEI crypto price dynamics, try our cryptocurrency exchange pairs, and exchange your crypto now — no need to even leave this page!

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OP to SEI live price chart

Both OP price and SEI price are quite volatile. You can see the history of price changes in the cryptocurrency price chart below to help you make the best decision while considering buying crypto.

The current OP cryptocurrency price in SEI is 2.3147475755.

Optimism and Sei market data

OP Price

$0.101185

24H Price Change

8.5%

24H Volume

$63.24M

Market Cap

$232.69M

Circulating Supply

2.3B OP

SEI Price

$0.043713

24H Price Change

4.2%

24H Volume

$53.68M

Market Cap

$331.34M

Circulating Supply

7.58B SEI

Last updated at 9/17/2026, 7:48:04 PM

Cross-chain swaps from OP to SEI

OP
OP
SEI
SEIEVM
Exchange OP Exchange OP
OP
OP
SEI
SEI
Exchange OP Exchange OP
SEI
SEIEVM
OP
OP
Exchange SEI Exchange SEI
SEI
SEI
OP
OP
Exchange SEI Exchange SEI

OP to SEI conversion rate

Rates from CoinMarketCap updated at 9/17/2026, 7:36:05 PM

Convert OP to SEI

OP	SEI
10 OP	23.1411 SEI	Exchange
20 OP	46.2822 SEI	Exchange
30 OP	69.4232 SEI	Exchange
50 OP	115.705 SEI	Exchange
100 OP	231.411 SEI	Exchange
500 OP	1157.05 SEI	Exchange
1000 OP	2314.11 SEI	Exchange
5000 OP	11570.5 SEI	Exchange
10000 OP	23141.1 SEI	Exchange
100000 OP	231410.8 SEI	Exchange

23.1411

SEI

SEI	OP
100 SEI	43.2132 OP	Exchange
200 SEI	86.4264 OP	Exchange
300 SEI	129.64 OP	Exchange
500 SEI	216.066 OP	Exchange
1000 SEI	432.132 OP	Exchange
5000 SEI	2160.66 OP	Exchange
10000 SEI	4321.32 OP	Exchange
50000 SEI	21606.6 OP	Exchange
100000 SEI	43213.2 OP	Exchange
1000000 SEI	432132 OP	Exchange

Swap Optimism (OP) to Sei (SEI)

OP to SEI live price chart

Optimism and Sei market data

Cross-chain swaps from OP to SEI

OP to SEI conversion rate

Convert OP to SEI

Convert SEI to OP

How to exchange OP and SEI on SwapSpace

Choose the top rate/offer

Enter the details

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Receive your coins

FAQ

How can I find the lowest fee crypto exchange to swap OP and SEI?

Can I exchange my crypto without KYC on SwapSpace?

Is there a way to predict cryptocurrency prices - for example, for OP and SEI?

Are there limits for exchanging OP and SEI?

Instead of exchanging, can I buy SEI? If so, how to buy cryptocurrency?

More OP and SEI exchange pairs

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