Ostium alternatives: cheaper and similar options (Oct 2026)
The best Ostium alternatives are Lighter (0% round trip, Ethereum, not available in the US); Paradex (0% round trip, Paradex, not available in the US); Aster (0.08% round trip, Aster Chain/BNB Chain, not available in the US). 2 of the 8 listed charge less than Ostium (0.06% round trip).
Checked 2026-10-16Why look beyond Ostium
- A July 2026 oracle exploit drained 23.75M USDC from the OLP vault and paused trading for about a week.
- US persons are barred by the Terms of Use.
- A $0.10 oracle fee applies to most actions and is not refunded on partial closes, cancels or failed opens.
- Referral rewards are points boosts, not documented fee discounts.
Ostium alternatives for US traders →
Cheaper than Ostium
Lighter 0%, Paradex 0% — against Ostium at 0.06% per round trip. Platform fee only; spreads and network fees are extra.
The alternatives
-
Lighter
Ethereum · 0% round trip · US: not available
Non-US, non-UK retail perps traders who want zero trading fees and can accept slower taker execution than paid accounts.
+ The default Standard account charges 0% maker and 0% taker on perps and spot.
Open Lighter — 10% off fees -
Paradex
Paradex · 0% round trip · US: not available
Non-US traders who place orders manually through a web UI and want zero-fee perps plus options from one margin account.
+ Retail orders pay 0% maker and 0% taker on perps, spot and options.
Open Paradex -
Aster
Aster Chain · BNB Chain · Arbitrum · 0.08% round trip · US: not available
Non-US, non-UK traders who want zero maker fees on order-book perps, very high leverage modes, or privacy-shielded orders.
+ Maker fees are 0% at every VIP tier on order-book perps since February 2026.
Open Aster -
Pacifica
Solana · 0.08% round trip · US: not available
Solana perp traders who want a published volume ladder, 50x leverage on majors and exposure to RWA and pre-IPO markets, and who are outside the United States.
+ Fee schedule is published with eight tiers and a 0% maker fee at the VIP tiers.
Open Pacifica -
Hyperliquid
Hyperliquid · 0.09% round trip · US: not available
Perps traders outside the US who want onchain order-book trading from their own wallet, with fees that drop by volume and HYPE staking.
+ Base perps fees are 0.045% taker / 0.015% maker, falling to 0.024% / 0% at the top volume tier.
Open Hyperliquid — 4% off fees -
Avantis
Base · 0.09% round trip · US: unverified
Traders who want crypto, forex, commodities and US or Korean equity exposure from one USDC balance on Base.
+ Zero maker and taker commission on real-world asset markets while in growth mode.
Open Avantis -
edgeX
Ethereum · 0.09% round trip · US: not available
Non-US, non-Canadian perps traders who want an Ethereum-settled order book with stock and forex perps and an email login option.
+ Settles to Ethereum, with V1 built on the StarkEx ZK-rollup engine and V2 anchoring state roots to Ethereum L1.
Open edgeX -
ApeX Omni
Zklink · 0.1% round trip · US: not available
Traders who want a large perp listing with TradFi and stock perps and a staking-based fee discount, and who are outside the United States.
+ Fee ladder is published with seven levels, and staking APEX can unlock Levels 1 to 4 without volume.
Open ApeX Omni
Cost compared
Cost of a round trip (buy + sell). Platform fee only; network and pool fees are extra.
| Venue | Rate (round trip) | You pay |
|---|
FAQ
What is the best alternative to Ostium?
For most people, Lighter: Non-US, non-UK retail perps traders who want zero trading fees and can accept slower taker execution than paid accounts.
Why do people switch from Ostium?
A July 2026 oracle exploit drained 23.75M USDC from the OLP vault and paused trading for about a week. US persons are barred by the Terms of Use.
Is there a cheaper alternative to Ostium?
Yes: Lighter (0%), Paradex (0%) charge less per round trip than Ostium (0.06%).
Which Ostium alternatives work in the US?
None of the close alternatives we track list the US as fully available.