Hyperliquid vs dYdX vs GMX: which onchain perps exchange suits a beginner?

"Decentralized perps exchange" covers very different machines. Some match buyers and sellers in an order book like a stock exchange. Others let you trade against a big shared pool at a price fed from outside. Hyperliquid, dYdX and GMX are the best-known examples, and each made a different bet. This guide explains the differences in plain words and what they mean for a beginner.

What do Hyperliquid, dYdX and GMX have in common?

All three let you trade perps, bets on a coin going up or down with a multiplier, from your own wallet, without handing your money to a company. All three have their own token.

You connect a wallet, post margin, and open long or short positions. Your positions are recorded onchain. The tokens are HYPE for Hyperliquid, DYDX for dYdX and GMX for GMX (>Spark perpetual DEX comparison). Beyond that, the designs split.

How are they built differently?

Hyperliquid and dYdX run order books on their own chains. GMX uses a pool that traders trade against at oracle prices. That one difference shapes fees, fills and risks.

Figures from a 2026 comparison (>Spark), except Hyperliquid's leverage, which comes from its own docs (>Hyperliquid docs, margin tiers). Counts and fees change over time.

What is the difference between an order book and a pool?

In an order book, your trade meets another trader's order. In a pool, your trade is filled by a shared pot of money at a price set by an oracle. Order books feel like a normal exchange; pools feel like a fixed-price counter.

An order book shows a list of buy and sell offers at different prices. Big orders eat through several levels and get a worse average price, which is called slippage. Makers who place orders earn lower fees. A pool, like GMX's, quotes you the oracle price for the coin and fills you from the pool. There is less slippage in calm markets, but the pool's liquidity providers are your counterparty, and the design depends heavily on the oracle being right. Spark describes GMX as having "pioneered the pool-based perpetual model, where traders execute against liquidity pools at oracle-determined prices" (>Spark).

Which is cheapest?

Hyperliquid at the entry tier, then dYdX, then GMX. On a $1,000 position opened with a market order, that is about 45 cents, 50 cents and 70 cents.

Entry-tier rates, before volume discounts (>Spark, >Hyperliquid docs, fees). Pools can add other costs, like borrow fees on open positions; order books have funding. Small differences per trade grow with how often you trade.

Which has the most markets?

Hyperliquid, by a wide margin, including stocks, gold and oil through HIP-3. dYdX also lists many markets; GMX focuses on fewer.

Hyperliquid's main list covers hundreds of crypto perps, and HIP-3 lets outside teams add markets like Tesla, the S&P 500 and gold on top (>Hyperliquid docs, HIP-3). For a beginner, the number of markets matters less than the depth of the big ones: BTC and ETH trade well on all three.

Which is easiest for a beginner?

The one with the simplest path in and the deepest books on the coins you want, which today usually means Hyperliquid. But the exchange matters less than your size and multiplier.

Hyperliquid has an email login and a one-step USDC deposit from Arbitrum, with a 5 USDC minimum (>Hyperliquid docs, how to start trading). dYdX runs on its own chain, so you bridge funds there. GMX runs on Arbitrum and Avalanche directly, which is simple if you already hold funds there. On every one of them, the jargon is the hard part. Our perps for beginners path covers it.

Which is best for copy trading?

Hyperliquid, because every account's positions and trade history are public and easy to read in real time. That is why most copy trading tools focus on it.

On an order book chain, a trader's position is an entry in a public ledger. Hyperliquid makes that data very easy to read: positions, multipliers, fills and profit per address. That is what CopyHype uses to list the top traders by profit over 24 hours, 7 days and 30 days, and to copy the one you pick, from $5 a trade, with your money in your own wallet. On a pool design, positions are also onchain, but there are far fewer active traders worth copying. More in how to copy trade on Hyperliquid.

Which one should I pick for my first trade?

For a first perps trade from your own wallet, Hyperliquid is usually the simplest pick: the deepest books on the big coins, the lowest entry fees and a one-step deposit. Whatever you pick, keep the first trade tiny.

The exchange choice matters less than three settings you control: isolated margin, a multiplier between x2 and x5, and an amount you are fine losing. Get those right on any of the three and a bad trade is a lesson, not a disaster. Get them wrong and no exchange will save you. If you want to skip the setup entirely, CopyHype runs on Hyperliquid inside Telegram, starts you with $1,000 of practice money on live prices, and lets you copy a top trader from $5 a trade once you go real.

What are the risks of each?

All share smart contract and leverage risk. Order books add thin-book risk on small coins; pools add oracle and pool risk. None is safe for money you cannot lose.

• Hyperliquid. A young chain with a fairly small validator set. In March 2025, validators delisted the manipulated JELLY market and settled it at a chosen price (>Halborn).
• dYdX. An appchain with its own validators and bridge to manage.
• GMX. Pool designs depend on oracle accuracy, and the pool is your counterparty.
• All three. A high multiplier can liquidate a trade in minutes, whatever the exchange.

Frequently asked questions

Is Hyperliquid better than dYdX?

For most beginners and copiers, Hyperliquid offers lower entry fees, more markets and more active traders to follow. dYdX remains a solid order book exchange with its own chain.

Is GMX an order book exchange?

No. GMX lets you trade against a liquidity pool at oracle prices, on Arbitrum and Avalanche. There is no order book in the classic sense.

Which perps DEX has the lowest fees?

At the entry tier, Hyperliquid: 0.015% maker and 0.045% taker. dYdX is close at 0.02% and 0.05%. GMX is higher at about 0.05% and 0.07%.

Can I copy trade on dYdX or GMX?

Positions on both are onchain, so copying is possible in principle. Most copy trading tools focus on Hyperliquid, where the active trader base is largest and the data easiest to read.

Does CopyHype work with dYdX or GMX?

No. CopyHype copies Hyperliquid traders and trades on Hyperliquid from your own wallet.

Where do these facts come from?

From an independent 2026 comparison and Hyperliquid's official docs. Sources:

• >Spark: perpetual DEX comparison
• >Hyperliquid docs: fees
• >Hyperliquid docs: margin tiers
• >Hyperliquid docs: HIP-3
• >Hyperliquid docs: how to start trading
• >Halborn: the Hyperliquid JELLY incident

Fees, leverage limits and market counts change. Check each exchange's own docs before trading.