VOOI_LIGHT:tradingFees
This document outlines the trading fee structure for perpetual DEXs and trading marketplaces currently supported on VOOI Light: https://app.vooi.io/.
Trading fees are an essential part of how DeFi operates, compensating liquidity providers, supporting ongoing development and research, and ensuring a healthy market balance. Each supported DEX and trading marketplace has its own fee model, while VOOI provides transparent access to these structures for better cost awareness.
Please note that all fees are subject to change by the respective DEX, trading protocol, or by VOOI.
KiloEx
KiloEx applies a flat 0.05% commission on both opening and closing positions.
For more details refer to the KiloEx documentation.
Ostium
Ostium charges 4 bps for opening position, which covers both the opening and the full closing of a position.
If a position is closed partially, each partial close is treated as a new trade and incurs an additional fee.
For more details refer to the Ostium documentation.
GMX
GMX charges 0.04% or 0.06% fees on trading volume when opening, closing, increasing, or partially reducing a position:
0.04% is applied if the trade helps balance long and short positions on GMX
0.06% is applied if the trade increases imbalance
For more details refer to the GMX documentation.
Gains
Trading on gTrade involves three main types of fees:
Opening / Closing Fees — applied when opening or closing a leveraged position.
Spread (Fixed + Dynamic) — varies by asset and market conditions.
Borrowing Fees — accrue continuously while the position remains open.
All fees are calculated on the total position size (collateral × leverage).
Opening & Closing Fees
A fixed trading fee is charged both when opening and closing a position.
This fee depends on the asset class:
Crypto
0.06%
Forex (Major Pairs)
0.012%
Forex (Minor Pairs)
0.016%
Forex (Exotic Pairs)
0.02%
Commodities (Tier 1 – Gold)
0.05%
Commodities (Tier 2 – Oil, Silver, etc.)
0.08%
Stocks (Equities)
0.07%
Indices
0.05%
BTC and ETH have zero fixed spread, but dynamic spread (price impact) applies depending on liquidity and open interest.
For other assets, both fixed and dynamic spreads may apply.
Full details: Gains Docs — Fees & Spread
VOOI Fee Approach
VOOI aims to maintain competitive additional fees for trading through its Chain Abstraction approach in VOOI Light. These costs may be partially or fully offset by participating in the VOOI Points and Referral Program. For more information, see VOOI:pointsProgram
VOOI Fees
A small additional fee is applied on top of trading fees:
KiloEx
VOOI charges a flat $0.20 + 0.1% of the collateral amount (not the position size) at the time of opening a position. No fees are charged by VOOI on position closing.
Ostium
VOOI charges a flat $0.20 + 0.1% of the collateral amount (not the position size) at the time of opening a position. No fees are charged by VOOI on position closing.
GMX
VOOI charges a flat $0.20 + 0.1% of the collateral amount (not the position size) at the time of opening a position. No fees are charged by VOOI on position closing.
Gains
VOOI charges a flat $0.20 + 0.1% of the collateral amount (not the position size) at the time of opening a position. No fees are charged by VOOI on position closing.
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