Fees
What you pay on RXN, who gets it, and when RXN takes nothing. RXN’s fee on Hyperliquid orders goes to one public address, visible on Hyperliquid; on bridges, swaps and AGG buys it is an app fee shown in the quote.
RXN’s fee on trades#
| Order | RXN fee | On $10,000 |
|---|---|---|
| Market, limit (GTC, IOC), stop, TP/SL, close | 0.02% | $2.00 |
| The same on a HIP-3 market in growth mode | 0.005% | $0.50 |
| Post-only placed by Chase or Scale | 0.01% (never above the market’s rate); what Chase takes at the market at its end pays 0.02% | $1.00 |
| Post-only you place yourself | 0 | $0 |
| TWAP, trailing stop | 0 | $0 |
| Guard’s fill | As a close: 0.02%, or 0.005% | $2.00 |
The builder fee is set on the order, so every fill of it pays, maker or taker: a GTC limit that rests and fills as a maker still pays 0.02%. Only a post-only order you place yourself is sure to pay RXN nothing — it still carries RXN’s mark with a fee of 0, so the volume shows on public dashboards.
Hyperliquid’s fees#
Hyperliquid charges its own trading fee on top: 0.045% for an order that takes and 0.015% for one that rests, at its first volume tier — lower as your own 14-day volume grows. On a HIP-3 market the venue adds its own share on top of Hyperliquid’s; in growth mode Hyperliquid cuts its fee on that market by about 90%. The ticket always shows the fee of the market you are on. Funding is paid between traders, not to RXN.
Examples#
| Trade | RXN | Hyperliquid | Total |
|---|---|---|---|
| Market order, $10,000 BTC | $2.00 | $4.50 | $6.50 |
| Open and close it, both at the market | 2 × $2.00 | 2 × $4.50 | $13.00 |
| Post-only limit, $10,000, filled | $0 | $1.50 | $1.50 |
| Chase fill, $10,000 | $1.00 | $1.50 | $2.50 |
| HIP-3 growth mode, $10,000 | $0.50 | The market’s own | Shown in the ticket |
| TWAP, $10,000 | $0 | Taker per slice | ≈ $4.50 |
Hyperliquid rates here are its first tier; yours may be lower.
Everything else#
| What | RXN | Others |
|---|---|---|
| Deposit — any network (Relay) | 0 | Relay’s fee and the network fee, shown before you sign; $1 Hyperliquid activation on a new account |
| Deposit — Arbitrum · official | 0 | Arbitrum gas in ETH |
| Withdraw — any network (Relay) | 0.1% USDC → USDC (on a unified account it can be 0.2%); 0.2% other tokens | Relay’s fee and the network fee |
| Withdraw — Arbitrum · official | 0 | Hyperliquid $1 |
| /bridge — bridge the same token | 0.1% (on $1,000: $1.00) | Relay’s fee, network fees |
| /bridge — swap | 0.2% (on $1,000: $2.00) | Relay’s fee, network fees, price impact |
| /bridge — deposit to Hyperliquid | 0 | Relay’s fee, network fees |
| Predictions — HIP-4 | 0.02% on an order that may take; 0 on post-only | Hyperliquid’s spot fee on a sale and a win |
| Predictions — AGG buy · sale | 0.5% · 0 | The venue’s fee, gas |
| Practice | Play money only | — |
RXN’s fee on a bridge or swap is part of Relay’s quote: in the token you send, shown as “RXN fee” before you sign.
When RXN takes nothing#
- Your own post-only orders, TWAP and trailing stops.
- Every deposit into your Hyperliquid account, and the official withdrawal to Arbitrum.
- Selling AGG shares.
- A way out refused because of the fee — a close, TP/SL, Guard or Panic — is sent again without it.
- While RXN’s builder account holds less than Hyperliquid’s $100 rule requires, orders go without RXN’s fee.
RXN’s builder address#
Every RXN fee on Hyperliquid orders goes to one public address. You approve its ceiling once — 0.05% — and RXN charges less. RXN’s fee on bridges and swaps is a Relay app fee, and on AGG buys an AGG app fee: each is shown in the quote before you sign. Anyone can see every fill and every fee on Hyperliquid’s explorer and in its public builder files, and on DefiLlama.
0x4480dcf81d177a4295b4ff32393ebeda35bb02e2RXN is software, not advice. Nothing here promises a profit. Trading perps can lose you more than you expect.