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Ostium fees — the real all-in cost
Ostium (DEX) charges 2.5 bps taker / 2.5 bps maker (base tier). But the fee is only part of what you pay: the full cost of a trade is fees + slippage + funding.
Where does Ostium rank right now?
| # | Venue | All-in cost ($10k trade) | bps | Taker/maker |
|---|---|---|---|---|
| 1 | Lighter ← cheapest | $1.74 | 1.7 bps | 0/0 bps |
| 2 | MEXC | $4.01 | 4.0 bps | 2/0 bps |
| 3 | Nado | $5.98 | 6.0 bps | 3.5/1 bps |
| 4 | Deribit | $6.70 | 6.7 bps | 3.5/1.5 bps |
| 5 | Extended | $7.15 | 7.1 bps | 2.5/0 bps |
| 6 | Ondo Perps | $7.61 | 7.6 bps | 2.5/1 bps |
| 7 | Aster | $7.68 | 7.7 bps | 4/0 bps |
| 8 | HTX | $7.97 | 8.0 bps | 5/2 bps |
| 9 | Hibachi | $8.19 | 8.2 bps | 4.5/0 bps |
| 10 | Paradex | $8.59 | 8.6 bps | 0/0 bps |
| 11 | Kraken | $9.06 | 9.1 bps | 5/2 bps |
| 12 | Pacifica | $9.32 | 9.3 bps | 4/1.5 bps |
FAQ
What are Ostium trading fees?
Ostium charges 2.5 bps (0.025%) taker and 2.5 bps maker on perpetuals (base tier). A full round-trip (open + close) as taker costs 5 bps before slippage and funding.
Is Ostium the cheapest venue for perps?
Live comparison at bpscan.com.
What is the real cost of a perp trade?
Fees are only part of it: real cost = taker fee ×2 + slippage through the order book (in and out) + funding over your holding period. BPScan computes all three live.
BPScan compares the live all-in cost of perp trades — taker fees × 2 (open + close) + slippage walked through full order books + funding over your holding period — across 29 DEX and CEX venues, including RWA perps (stocks, gold, forex). Data refreshes continuously from exchange APIs and WebSocket feeds. No wallet connection, no sign-up. Open the live scanner · Telegram bot · @bpscanxyz