Perp DEX on Arbitrum · data from 3 November 2026, 07:26 UTC
Ostium
Ostium is a decentralised perpetuals exchange on Arbitrum. Here is what trading there costs, with its source and time.
no reading todayopen and close $10K of BTC
no reading todayopen and close $100K of BTC
The platform
- What it is
- Real-world asset perps
- Network
- Arbitrum
- Collateral
- USDC on Arbitrumsource: ostium-labs.gitbook.io
- Entry-tier fee
- not yet verified at its official source
Cheapest today at $100K
- 1. Lighter$8.28
- 2. Extended$51
- 3. Katana Perps$55
More on Ostium
Today's funding gaps: 11 pairs →Daily cost index: every DEX, 3 sizes →Cheapest perp DEX by size →October report: all 20 DEXs →Ostium airdrop guide →
Questions
What are Ostium's trading fees?
We have not verified it at its official source yet, so we do not quote it. The cost above is measured on its live order book.
How much does a $100K BTC trade cost on Ostium?
We do not have a full reading of its book at that size today. You can try your own size live in the comparison.
Does Ostium have an airdrop?
Yes: its airdrop page has the dates, the points and how to farm it, with sources.
Costs and funding read from each platform's live book on 3 November 2026, 07:26 UTC · fees, collateral and deposits quoted from each platform's own source · Dinero en la Mesa