7.8
Solid
Best Decentralised Exchanges · Review

Orca

The most user-respecting AMM on Solana: no exploit history, honest slippage warnings and a genuinely good LP experience.

Best For
Clean concentrated-liquidity provision on Solana
Headline Cost
0.01–0.3% by pool tier
Founded
2021
Rank in category
7 of 15
Last Checked
August 2026
The short answer

Orca is the most user-respecting decentralised exchange on Solana: no exploit in four years, transparent price-impact warnings, and the clearest concentrated liquidity tooling on the chain. Its limitation is depth on new and speculative pairs, where Raydium's pools form first.

Score breakdown

Category rubric →
Security record · 25%
8.5
Liquidity & execution · 20%
8.0
Cost · 15%
8.5
Chain coverage · 15%
5.5
Decentralisation · 15%
7.0
UX & tooling · 10%
9.0

Works well for a specific use case, weaker outside it. The headline 7.8 is the weighted mean of these marks — see our methodology. Not financial advice.

What we liked

  • Clean security record across four years of operation
  • Whirlpools give precise range control with clear analytics
  • Interface warns about price impact instead of hiding it

Where it falls short

  • Less depth than Raydium on new and speculative pairs
  • Solana-only exposure

Orca has quietly avoided every category of failure that has hit its peers. No key compromise, no misleading quotes, no pattern of rug-adjacent listings dominating its front page. In a chain ecosystem defined by speed and speculation, it has built the venue that behaves like infrastructure rather than a casino.

Whirlpools and liquidity provision

Orca's Whirlpools are concentrated liquidity pools with fee tiers from 0.01% to 0.30%. The provision interface is the clearest on Solana: it shows the range you are setting, the fees the position has earned, and how far the market has moved relative to your bounds. For anyone learning concentrated liquidity, this is where the mechanics are least obscured — which matters, because a range position that drifts out of bounds stops earning entirely and quietly converts into the weaker asset.

Trading experience

Swaps route through Whirlpools with price impact displayed prominently rather than buried, and warnings appear before trades that would move the price materially. This sounds trivial and is not: a large share of retail losses on decentralised exchanges come from executing trades whose slippage the interface did not make obvious.

Security record

Four years of operation with no protocol exploit, regular audits, and a conservative approach to upgrades. Orca has also been consistent about which pools it surfaces prominently, which reduces the incidence of users landing in a lookalike pool for a scam token — a small design choice with real user impact.

Who should use Orca

Anyone providing concentrated liquidity on Solana, and anyone swapping established pairs who values a venue that tells you what a trade will cost. For brand-new tokens you will often need Raydium instead. In practice most users reach Orca through Jupiter's router without noticing, which is fine — the pools are the product.

FAQ

Has Orca ever been exploited?
No. It has operated since 2021 without a protocol-level exploit or key compromise, which is unusual among Solana venues.
What are Orca Whirlpools?
Concentrated liquidity pools where providers choose a price range to deploy capital into, earning higher fees within that range and nothing outside it. Fee tiers run 0.01% to 0.30%.
Is Orca good for beginners?
It is the most approachable serious DEX on Solana: price impact is shown clearly and the liquidity interface explains what a position is doing. Concentrated liquidity still requires understanding impermanent loss.
Why is Orca's volume lower than Raydium's?
New and speculative tokens list on Raydium first, and that segment generates a large share of Solana's headline volume. On established pairs the gap is much smaller.
#ServiceBest forCostScore
1UniswapDeep, dependable swaps on Ethereum and its L2s0.01–1% per pool, set by tier8.9
21inchCross-venue routing on EVM chainsNo protocol fee on classic swaps; resolvers price Fusion orders8.3
3JupiterBest-execution routing on SolanaNo protocol swap fee; you pay route costs and price impact8.2
4Curve FinanceLarge stablecoin and pegged-asset swaps~0.01–0.04% on stable pools8.1
5PancakeSwapBNB Chain liquidity and cheap retail swaps0.01–0.25% per pool8.1
6AerodromeBase-native liquidityVariable per pool, typically 0.01–0.3%7.8
7OrcaClean concentrated-liquidity provision on Solana0.01–0.3% by pool tier7.8
8VelodromeOptimism and Superchain liquidityVariable per pool, typically 0.01–0.3%7.6
9OsmosisCosmos ecosystem trading0.05–0.3% typical7.5
10BalancerCustom-weight pools and LST liquiditySet per pool, commonly 0.05–1%7.3
11RaydiumNew Solana token liquidity~0.25% standard pools, lower on concentrated7.2
12Trader JoeAvalanche liquidity and volatility-aware LPingDynamic bin fees, typically 0.05–0.8%7.2
13THORChainNative cross-chain swaps without wrappingDynamic slip-based fee, typically 0.1–1%7.0
14CamelotArbitrum launches and long-tail pairsDynamic, typically 0.1–0.6%6.9
15SushiSwapWide chain coverage on a familiar interface0.3% classic pools; lower on v3 tiers6.9