Optimism Lending Rates: Compare the Best (OP) AER in the UK

Earn AER on Optimism of up to 1.5%. Compare rates and features across 9 platforms in the UK.

Last updated: 12 January 2026|Advertising disclosure

Optimism Lending Guide in the UK

How to lend Optimism in the UK

Cryptocurrency Lending Guide

Platform	Coin	AER
CEX.io	Optimism (OP)	Up to 1.5% AER
Bitget	Optimism (OP)	Up to 1.2% AER
Compound	Optimism (OP)	Up to 0.72% AER
Kucoin	Optimism (OP)	Up to 0.5% AER
Aave	Optimism (OP)	Up to 0.07% AER

Platform

Coin

AER

Up to 1.5% AER

Up to 1.2% AER

Up to 0.72% AER

Up to 0.5% AER

Up to 0.07% AER

Frequently Asked Questions About Lending Optimism (OP) in the UK

What is Optimism (OP) and what problem is it solving?

Optimism (OP) is a layer-2 scaling solution for Ethereum designed to reduce gas costs and increase transaction throughput while preserving Ethereum’s security. It achieves this by using optimistic rollups, which bundle multiple transactions off-chain and post proofs on-chain. This helps decentralized apps (dApps) run faster and cheaper, making it practical to deploy complex smart contracts and microtransactions without congesting the Ethereum mainnet.

How does the OP token function within the Optimism ecosystem?

OP is the governance and utility token for the Optimism ecosystem. It plays a role in governance votes, protocol upgrades, and incentivizing participants like builders and users. Some versions of Optimism deployments also employ OP tokens for funding and grants, community proposals, and to align incentives across the ecosystem. If you’re participating in governance, you’ll want to stay informed about proposals and voting periods on official channels.

What are the key metrics I should know about OP right now?

Key metrics include market cap, price, circulating supply, and max supply. As of now, OP has a market cap around 600.8 million USD, a price near 0.309 USD, a circulating supply of about 1.944 billion OP tokens, and a max supply of 4.295 billion OP. The 24-hour price change shows a slight decline. Always cross-check real-time data on reputable sources, and consider liquidity, exchange availability, and token distribution when evaluating risk and potential upside.

Where can I buy or trade OP, and what should I consider before buying?

OP is listed on major decentralized and centralized exchanges. To buy, you’ll typically transfer funds (like ETH or fiat via a bridge/exchange) and swap for OP. Consider factors such as liquidity on your chosen exchange, trading fees, withdrawal options, and security practices (2FA, withdrawal whitelists). Also assess cost implications of layer-2 transactions, potential gas optimizations, and the token’s role in governance and incentives before committing capital.

What are some practical use cases for Optimism today?

Practical use cases include deploying and interacting with Ethereum-based dApps on a cheaper and faster layer-2 environment, participating in optimistic rollup liquidity pools, and leveraging reduced gas costs for frequent transactions such as micro-payments, NFT minting, or gaming activities. Developers benefit from easier onboarding and improved UX due to lower fees, while users enjoy faster confirmation times. Stay aware of the security model and bridging implications when moving assets between Ethereum mainnet and Optimism.

Frequently Asked Questions About Lending Optimism (OP) in the UK