Oct 2026 Bybit Referral Code BTC9149 | Perp vs Inverse | Up to 58% Off
Bybit contract trading comes in two main types: USDT Perpetual (linear) and Inverse (coin-margined) contracts. Both have no expiry date, but they differ completely in margin and settlement. This article explains the differences in one comparison table and helps you choose; invite code BTC9149 at the end gives a 33% fee discount, stacking with MNT fee payment up to 58% off.
- What Is a USDT Perpetual Contract
- What Is an Inverse Contract
- Key Differences at a Glance
- Which One Should Beginners Choose
- Frequently Asked Questions
- Risk Disclaimer
What Is a USDT Perpetual Contract
The USDT Perpetual (also called a linear contract) is the most popular contract type on Bybit: you post USDT as margin and profits and losses are settled in USDT. For example, going long on BTC means you gain USDT when the price rises and lose USDT when it falls — a simple, linear calculation. It has no expiry date and uses the funding rate mechanism to keep the contract price close to spot. USDT perpetuals on Bybit offer the widest range of pairs and the best liquidity.
What Is an Inverse Contract
An Inverse contract (also called a coin-margined contract) uses the underlying coin itself as margin: trading the BTC inverse contract requires BTC as collateral, and PnL is likewise settled in BTC. Its strength is for long-term holders — you can hedge downside risk or capture volatility without selling your BTC. The drawback is that PnL is non-linear: under leverage, price moves affect your equity in a non-proportional way, so beginners often underestimate the risk.
Key Differences at a Glance
| Item | USDT Perpetual (Linear) | Inverse (Coin-Margined) |
|---|---|---|
| Margin Currency | USDT | Underlying coin (BTC, ETH, etc.) |
| PnL Settlement | USDT | The underlying coin itself |
| PnL Math | Linear, intuitive | Non-linear, complex under leverage |
| Contract Range | More pairs, better liquidity | Relatively fewer |
| Best For | Beginners and most retail traders | Long-term holders and hedgers |
| In Common | No expiry date; both use the funding rate mechanism | |
Which One Should Beginners Choose
If you are new to contracts, start with the USDT Perpetual: margin and PnL are both in USDT, making risk management much simpler. Inverse contracts suit advanced users who already hold large amounts of BTC/ETH and want to hedge or grow their position without selling. Whichever you choose, bind invite code BTC9149 at sign-up via the exclusive link to get a 33% fee discount:
https://partner.bybit.com/b/BTC9149
Enable MNT fee payment and the two stack up to a maximum 58% fee discount; new users also get welcome benefits.
Frequently Asked Questions
Q1: What is the Bybit invite code? Is it different from a referral code?
They are the same concept. Enter BTC9149 at sign-up to bind it, get a 33% fee discount, and stack with MNT fee payment up to a 58% fee discount, plus welcome benefits for new users.
Q2: Should contract beginners start with perpetual or inverse?
Start with the USDT Perpetual: margin and PnL are calculated in USDT, linear and intuitive, with simpler risk control. Inverse contracts have non-linear PnL and suit advanced users with hedging needs.
Q3: Does the invite code discount apply to both contract types?
Yes. The 33% fee discount from binding BTC9149 is a trading fee reduction that applies to both USDT perpetuals and inverse contracts, stacking with MNT fee payment up to 58% off.
Risk Disclaimer: Contract trading involves leverage — both perpetual and inverse contracts carry high risk and can result in the total loss of your capital. Leverage, funding rates, and bonus rules may change at any time. This article is for informational purposes only and is not investment advice; actual rules are subject to the official Bybit page.
Summary
On Bybit, the USDT Perpetual uses USDT for margin and settlement — linear, intuitive, and beginner-friendly — while the Inverse contract uses the underlying coin as margin, ideal for long-term holders to hedge. Bind invite code BTC9149 before trading to get a 33% fee discount, stacked with MNT fee payment up to a 58% fee discount. Get started via the exclusive link:
https://partner.bybit.com/b/BTC9149
Invite Code: BTC9149
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