Guide
What Is Orca? Solana's Concentrated-Liquidity DEX, Whirlpools and xORCA Explained
Orca is a decentralised exchange on Solana. Its core product is Whirlpools — concentrated-liquidity pools where liquidity providers pick the price range their capital sits in. The native token is ORCA, and staking it produces xORCA for governance.
要点
The whole idea is concentration. Where a classic AMM spreads capital thinly across every possible price, Orca lets you stack it where trading actually happens, which buys more depth per dollar — at the cost of earning nothing once price leaves your range. Nothing here is investment advice.
What Orca is
Orca launched in 2021 as an automated market maker (AMM) on Solana. An AMM replaces the order book with liquidity pools: a container holding two tokens, against which swaps execute. That much it shares with Raydium.
What separates Orca is Whirlpools, its concentrated-liquidity product introduced in 2022. The official docs describe Orca as "Solana's most trusted DEX" and frame the provider's choice plainly: "concentrate capital for maximum efficiency or use full-range positions for a passive approach."
If you only ever swap, you may be using Orca without knowing it — aggregators like Jupiter route orders into Orca pools whenever they price best.
How concentrated liquidity works
A constant-product AMM spreads deposits evenly from zero to infinity. Since trading clusters in a narrow band, most of that capital sits idle.
Concentrated liquidity places the same capital only inside a range you choose. The band where trading happens gets deeper, which means:
- traders see less slippage, and
- providers can earn more fees from the same deposit.
The trade-off is explicit. When price moves outside your range, your position stops trading and stops earning fees, leaving you fully converted into one side of the pair. The more volatile the pair, the more range selection and rebalancing matter.
Ticks and fee tiers
Prices in Orca are not continuous. They are divided into ticks — the docs define ticks as "discrete price intervals within a pool" from which providers select a position's range.
Narrower tick spacing allows price ranges to be set with more granularity; wider spacing means usable ticks are farther apart. Spacing varies by fee tier, and fee tiers "can range from 0.01% to 2%, depending on the pool type and configuration" (as of 2026-08-09, Orca docs).
As a rule of thumb, stable pairs pair low fee tiers with fine spacing, and volatile pairs pair higher fee tiers with coarser spacing.
Full-range positions
If managing a range is more work than you want, a full-range position stays in play wherever price goes. Capital efficiency is lower than a tight range, but nothing needs rebalancing. The docs present the two side by side: maximum efficiency versus a passive approach.
ORCA and xORCA
Staking ORCA returns xORCA. The docs put the mechanic this way: "The amount of xORCA you hold stays the same, but each xORCA becomes redeemable for more ORCA over time."
The engine behind that is a buyback: 40% of protocol fees buy ORCA and increase xORCA value, with the exchange rate set by "ORCA in Vault / xORCA Supply."
One operational detail matters more than the yield: unstaking has a 7-day cooldown, so xORCA is not a liquid emergency reserve. xORCA holders can vote on proposals and delegate voting power (as of 2026-08-09).
Before you connect
- Check what you are signing. A fake front end can drain a wallet in one approval — see spotting fake tokens and sites.
- Clean up approvals you no longer need: how to revoke token approvals.
- Tax treatment applies to DeFi activity in Japan — see Solana DeFi and Japanese tax.
- Compare designs. Concentrated liquidity also exists as Raydium's CLMM and Meteora's DLMM; the label is shared but the mechanics are not identical.
Sources
FAQ
- What is Orca on Solana?
- Orca is a decentralised exchange launched on Solana in 2021. Its main product is Whirlpools, a concentrated-liquidity pool design where providers choose the price range their capital occupies. Its native token is ORCA.
- What is the downside of concentrated liquidity?
- Once the market price moves outside the range you selected, your position stops trading and earns no fees, and you end up holding only one side of the pair. Volatile pairs therefore need active range selection and rebalancing.
- What fees does Orca charge?
- According to Orca's documentation, fee tiers can range from 0.01% to 2% depending on the pool type and configuration (as of 2026-08-09). Tick spacing, which controls how finely a range can be set, varies by fee tier.
- What is xORCA?
- xORCA is what you receive for staking ORCA. Your xORCA balance stays constant while each unit becomes redeemable for more ORCA over time, funded by 40% of protocol fees buying ORCA. Unstaking has a seven-day cooldown.
This article is informational only and is not financial, investment, or trading advice. Prices are reference snapshots and may be outdated. Always do your own research.