How do I track a portfolio across Arbitrum and Optimism?

The cleanest way is a dashboard that reads your balances from both L2s at once and values them together. Because Arbitrum and Optimism are separate networks, most tools make you switch chains to see each — so your ETH, USDC and DeFi positions look like two portfolios. AveraChain reads both L2s into a single interchain account, values everything live, and shows one net worth with a per-chain breakdown underneath. It stays non-custodial.

How do I get the best swap price on Arbitrum or Optimism?

Each L2 has its own DEXs — Uniswap and Camelot are prominent on Arbitrum, Velodrome on Optimism — so the best price for a trade depends on the venue. A DEX aggregator quotes multiple pools on the L2 and routes your swap through the best available path, sometimes splitting it to cut price impact. AveraChain aggregates L2 routes and executes on the best one, settling in your own wallet with your signature.

Do I need to bridge between Arbitrum and Optimism?

Only if you want assets to physically move between them. Arbitrum and Optimism are independent rollups that both settle to Ethereum, so moving funds between them means bridging — via L1 or a cross-rollup bridge. But you do not need to bridge just to see your holdings: a unified dashboard reads both L2s at once, so you can track a spread-out portfolio without moving anything.

Is it safe to connect my wallet to an L2 dashboard?

Yes. Connecting your wallet to AveraChain is a read-and-authorize handshake, not a deposit. The app reads your Arbitrum and Optimism balances to show your portfolio and can propose a swap or an order, but your private key never leaves your wallet and your funds never move into a company account. Every action still requires you to approve the exact transaction yourself.

Arbitrum & Optimism: One Dashboard for Your L2 DeFi Portfolio

If you live on L2s, your money is probably split across at least two networks that don't talk to each other — ETH and USDC on Arbitrum, more on Optimism, positions on both. Here's how one Arbitrum portfolio tracker that also covers Optimism gives you a single live view, and how an L2 DEX aggregator lands the best swap price on each chain.

Layer-2 rollups did what they promised. Arbitrum and Optimism took the Ethereum you already knew — same assets, same wallets, same DEXs — and made using it cheap enough to actually do DeFi again. The trade-off nobody mentions is fragmentation: the moment you spread activity across two L2s, you have two portfolios that look nothing like each other, even though they're both "just Ethereum" underneath.

This article is about pulling that back together: an Arbitrum portfolio tracker that also reads Optimism, so you get one real-time view across both L2s, plus an L2 DEX aggregator that quotes each chain's venues so your swaps land at the best available price.

Why an L2 portfolio splits in two (or more)

Arbitrum and Optimism are independent rollups. They both settle to Ethereum and they both feel familiar, but they're separate networks with separate state. Your ETH on Arbitrum and your ETH on Optimism are the same asset conceptually and completely distinct balances in practice. Most tools force you to pick a network from a dropdown, which means you're always looking at one L2 at a time.

The friction shows up everywhere:

Two balances for the same asset. ETH and USDC exist on both L2s, so your stablecoin stack and your ETH exposure are each split across chains.
DeFi positions scattered by venue. A liquidity position on one L2's DEX is invisible from the other's interface.
Switching networks just to read a number. To total your worth you flip your wallet between Arbitrum and Optimism, then do mental math.
And it rarely stops at two. Most L2 users also hold assets on Ethereum mainnet, another L2, Solana or Cosmos — none of which an L2 explorer can see.

So the honest total of your money is spread across two rollup explorers, a couple of DEX dashboards, and possibly several other chains. Add it up by hand and it's stale before you finish.

What an L2 portfolio dashboard should do

A hand-typed spreadsheet isn't a dashboard — it's wrong the moment you save it. A real Optimism and Arbitrum dashboard reads from the source and keeps both L2s in view at once:

Read both L2s together — ETH, USDC and every token on Arbitrum and Optimism — without switching networks.
Price the long tail. When a token has no clean feed, derive its value from the DEX pools it actually trades in, so nothing is left blank.
Value everything live, updating as the market moves rather than on a manual refresh.
Roll both L2s into your wider portfolio, so the number you see is your true net worth, not one rollup's slice.
Stay non-custodial — read your holdings without ever taking control of them.

AveraChain is built for exactly this. You connect one EVM wallet and it reads your balances across Arbitrum and Optimism, values them in real time, and rolls them into a single interchain account alongside Ethereum mainnet, other chains, Solana and Cosmos. One number, live — with a per-chain and per-asset breakdown underneath so you can still see how much sits on each L2.

The best L2 swap price is a routing problem

Each L2 has its own liquidity. Arbitrum runs prominent DEXs like Uniswap and Camelot; Optimism has Velodrome and Uniswap among others. Because liquidity is spread across those venues, there's no single "market price" for a token on a given L2 — each pool quotes from its own depth. Swap directly on one DEX and you take whatever that pool offers, which for anything but the deepest pairs can be worse than the market as a whole.

A DEX aggregator is the fix. Instead of trading against one pool, it quotes many on that L2, finds the best route — sometimes splitting a single swap across pools to cut price impact — and executes on that path. The usual friction is that good routing lives in a different app from your portfolio view, and worse, you have to remember which L2 you're even on. AveraChain closes that gap: it aggregates routes on each L2 for the best Arbitrum or Optimism swap price and lets you execute from the same screen where you track both chains. You approve the transaction in your wallet, your keys never leave it, and the trade settles non-custodially.

Bridging, without losing the plot

Because Arbitrum and Optimism are separate rollups, moving assets between them means bridging — through Ethereum L1 or a cross-rollup bridge. That's fine when you actually want funds on the other chain, but it's a real cost in time and fees, and it's easy to lose track of what's where mid-move. The key thing to understand is that you don't need to bridge just to see your money. A unified dashboard reads both L2s at once, so you can track a portfolio that's genuinely spread across chains without physically consolidating it first — and then bridge deliberately, only when it's worth it, rather than out of confusion.

Tracking and acting in one place

Once a tool can read both L2s and propose transactions, viewing and doing stop being separate apps. The dashboard where you watch your net worth becomes where you manage it:

Swap through an aggregator that quotes each L2's DEXs and executes on the best route.
Schedule orders — set a buy below market or a sell above it and let a keeper execute when your price hits.
Stake idle assets to earn, without leaving the dashboard.
Hunt arbitrage when the same asset is mispriced across venues or across chains.
Watch whale activity and get alerts when large flows move a token you hold.
Ask an AI copilot for a second read on a position before you commit.

All of it stays non-custodial. AveraChain helps you decide and prepares the transaction, but your wallet signs it and your funds never move into anyone else's account. Two L2s and the rest of your chains collapse into one coherent flow.

L2s don't live in a vacuum

An L2-only tool is never quite enough because almost nobody is single-L2. You bridge from Ethereum mainnet, hold assets on both Arbitrum and Optimism, maybe keep SOL on Solana and ATOM in Cosmos. When your view can only show one rollup, you're back to mental math across networks. Unifying both L2s with the rest of your chains in a single account is what turns a scatter of balances into an actual portfolio you can value and rebalance as a whole.

That's the design goal behind the AveraChain protocol: one interchain account that treats Arbitrum and Optimism as first-class networks next to every other chain you use, with the best-price swap aggregator, scheduled orders, staking, arbitrage and alerts built in around them.

Same asset, two prices: arbitrage across L2s

One quietly useful thing about living on two rollups is that the same asset frequently trades at slightly different prices on each. ETH, USDC and popular tokens exist on both Arbitrum and Optimism, but their liquidity is separate, so a burst of activity on one L2 can leave a gap versus the other. Most of the time that gap is small and closes quickly — but when it's wide enough to clear the cost of acting, it's a real opportunity that a single-chain view simply can't see.

This is where watching both L2s in one place earns its keep. Arbitrage detection compares venues across chains and flags when a round-trip would actually net a profit after fees and bridging costs — not the naive "it's cheaper over there" that ignores what it takes to get funds across. Because L2 gas is low, the economics work more often than they would on mainnet, where a single transaction could erase the edge. The same unified view also makes ordinary rebalancing sane: if you want to even out your ETH exposure between the two rollups, you can see both sides at once, decide deliberately, and bridge only when it's worth it — instead of discovering a lopsided position weeks later.

How to set it up

Getting both L2s onto one screen is a short checklist:

Open the AveraChain home page and connect your EVM wallet — it reads Arbitrum and Optimism together.
Add a wallet for any other ecosystem you use — Phantom for Solana, Keplr for Cosmos — into the same interchain account.
Watch your unified net worth populate live, with each L2's ETH, USDC and tokens valued and a per-chain breakdown underneath.
When you're ready to trade, run an aggregator swap for the best price on either L2, schedule an order, or ask the copilot — all without leaving the dashboard.

AveraChain is in active development and launching soon. If you want one honest view of your Arbitrum and Optimism portfolio and the best price when you trade on either, this is the direction we're building — see how the pieces fit on the protocol overview, and follow @AveraChain to catch the launch.