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Many people open Bybit TradFi, the options look more or less the same, they set nothing before the first order — and then a modest move shows their idle coins being sold to cover a loss and a long-held position swept along with it. That usually happens because four decisions were never made properly: whether to use the Unified Trading Account, which margin mode, one-way or hedge position mode, and where the leverage and risk limits sit. These four settings do more than add options to your order ticket — they determine how your account behaves when the market turns against you. This guide walks through each one, the trade-offs involved, and the parts that are hard to undo, so you can settle them before your first order.
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- The four settings at a glance
- Setting one: whether to use the Unified Trading Account
- Setting two: isolated, cross or portfolio margin
- Setting three: one-way or hedge position mode
- Setting four: risk limits and dynamic leverage
- The market is closed but your position keeps moving
- A checklist before your first order
- FAQ
- Risk reminder
- Summary
The four settings at a glance
Start with the overview. None of these settings is just an extra row in the order ticket — each one changes where a loss comes out of, how much it takes, and how long the position survives.
| Setting | Options | Direct effect | Beginner pick |
|---|---|---|---|
| Account type | Unified Trading Account / classic mode | Whether assets in the account can cover each other's losses | Decide where long-term holdings live first |
| Margin mode | Isolated / cross / portfolio | Whether one bad position damages the whole account | Start isolated |
| Position mode | One-way / hedge | Whether you can hold long and short at once, and how orders work | One-way first, switch only if needed |
| Leverage and risk limits | Dynamic leverage and tiered limits | Leverage steps down automatically as size grows | Use low leverage to tier up |
Setting one: whether to use the Unified Trading Account
The Unified Trading Account pools spot, spot margin, perpetuals, futures, inverse and options into one account with one equity calculation. Two practical benefits stand out:
- No constant transferring. TradFi perpetuals use your existing UTA, so there is no separate account to open and no USDT to shuffle around.
- Unrealised profit can serve as margin. Money earned in an open position can back a new position without waiting for it to settle.
But this is also the item to be most careful with, because cross-collateralisation ties different assets into one risk pool. Consider a concrete sequence:
| Step | Account state |
|---|---|
| Starting point | 10,000 USDT plus BTC worth 5,000 USD |
| BTC counted as collateral | Discounted by its collateral ratio, giving roughly 14,500 USD of usable margin |
| Leveraged position opened | 30,000 USD notional |
| Market moves against you | Position loses 6,000 USD, equity drops to roughly 8,500 |
| Possible outcome | If the maintenance margin level is breached, your BTC may be sold to cover the shortfall |
The key insight: your BTC gets sold off not because its price fell, but because it was acting as collateral inside the account. If you hold coins you intend to keep for a long time, the safest arrangement is to separate trading capital from long-term holdings — a different sub-account, or better, somewhere outside the exchange entirely, rather than everything pooled in one UTA.
Two smaller UTA details worth knowing: once the initial margin rate reaches 100% you can no longer transfer funds out, and unrealised profit can be used for trading but not withdrawn.
Setting two: isolated, cross or portfolio margin
The three modes differ in how margin is calculated and where a loss stops.
| Mode | Margin scope | Asset mode | Best fit |
|---|---|---|---|
| Isolated | Each position stands alone; one position's orders do not affect others | Single asset: USDT only for USDT contracts | Testing one direction, risk control first |
| Cross | Entire account including unrealised P&L | Multi-asset, all collateralised in USD value | Running several positions, letting gains and losses offset |
| Portfolio | Adds net exposure of the whole portfolio on top of cross | Multi-asset | Multiple strategies, account-level risk control |
The trade-off beginners should focus on: under isolated margin the loss is capped at the amount you allocate to that position, so a wrong call does not spread to your other positions. Cross and portfolio expose the whole account to the same wave, which is more capital-efficient but means one mistake hits everything. Put plainly, cross saves capital, not risk.
Two more traps to keep in mind: switching margin mode requires meeting certain conditions rather than being freely available at any moment, and in some modes collateral is counted after applying a collateral value ratio, so the balance you see is not the margin you can use.
Setting three: one-way or hedge position mode
In one-way mode a position can only be long or short at a given time; in hedge mode you can hold both sides on the same instrument at once. This setting determines whether you can build a structure that is long one thing and short another on the same underlying, and how your resting orders behave.
For a beginner the practical advice is simple: stay in one-way mode. Hedge mode is more capable, but the order logic differs and it becomes easy to confuse which side is the hedge and which is a new position when both are open. Switch only when you genuinely need a hedging structure or need to manage both sides with resting orders.
Whichever mode you pick, confirm that stop-loss orders actually work before you need them. Stops are the most useful protection tool a beginner has on traditional-market instruments, and whether they can be placed depends on the position mode.
Setting four: risk limits and dynamic leverage
A common assumption is that leverage is a number you pick freely. In practice it is also constrained by position size: the larger the position, the lower the leverage you may use. This is what the tiered risk limit and dynamic leverage exist for — to stop a large position from carrying maximum leverage.
In practice this means two things:
- The high leverage you see is a ceiling, not a constant. Available leverage is calculated from your current position size and tier conditions; always check inside your account.
- Limits can be upgraded, but there are thresholds and review time. Meeting the criteria is usually required, and the review takes time; you can move only between permitted tiers.
That leads to a counter-intuitive but genuinely useful tip: beginners should tier up using low leverage. Limits are computed on position size, so building with small leverage lets you support a larger notional position without hitting the tier boundary and being downgraded. That is far safer than reaching for high leverage from the start.
The market is closed but your position keeps moving
TradFi perpetuals trade 24/7 while the underlying market closes. How pricing works during a closure directly affects the quality of your position, so it deserves its own section.
| Session | Pricing mechanism |
|---|---|
| Market open | The index price updates every second as a weighted average of all components, capped within a band around an anchor price to prevent excessive deviation |
| Market closed | When some components stop updating, the system may temporarily exclude them from the weighted average to reduce the effect of stale prices |
| Transition between sessions | A smoothing mechanism keeps the index price stable and continuous |
| Mark price | The same median mechanism as regular perpetuals, but with deviation caps that keep it close to the index |
The most valuable of these is the mark price deviation cap: ±5% for single-stock contracts and ±3% for ETF and commodity contracts. The mark price used is clamped inside the permitted band around the index, which exists to reduce manipulation and unnecessary liquidations.
Now the other side of that coin: during a closure, while prices may not be updating, funding still accrues and margin is still being checked. Your position is not frozen. Spreads also tend to widen outside market hours, so execution quality is worse.
A checklist before your first order
The settings above compress into a list you can actually follow. The order matters: the account type comes first, because it determines whether the margin mode discussion even applies.
- Confirm the account type. Decide whether coins you intend to hold long-term stay in the same UTA. If they will, arrange a separate sub-account first.
- Choose a margin mode. Start isolated while new; consider cross or portfolio once you are deliberately running several positions.
- Confirm the position mode. Begin in one-way, switch to hedge when a hedging structure is genuinely needed, and verify stops can be placed.
- Set leverage and check your tier. Build with small leverage and raise your limit tier gradually.
- Run one full cycle at minimum size. Confirm the order, stop, exit and settlement all behave as expected before scaling.
- Cost out your holding period. Beyond fees, remember funding keeps accruing during closed-market periods.
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FAQ
Q1: Why did my BTC get sold while my position was losing?
Because in the Unified Trading Account, spot and derivatives assets sit in one collateral pool. When equity falls below the maintenance margin level, the system sells assets in the account to make up the shortfall — and the collateral can be your BTC, not necessarily the instrument that lost money. To avoid it, keep long-term holdings separate from trading capital.
Q2: Should I use cross or isolated margin?
Decide whether you want capital efficiency or loss containment. Isolated caps the damage inside a single position, which suits the early stage when you are still unsure of your reads. Cross and portfolio expose the whole account to the move, using capital more efficiently but letting one position affect everything. For a beginner, isolated's slightly lower capital efficiency is usually a good trade.
Q3: Is my position frozen when the underlying market is closed?
Not frozen, but costs still accrue. The index and mark price may stop updating or drop components during a closure, yet funding keeps accumulating and margin is still checked. In other words the position is not fully static, so factor that into longer holds. Spreads also tend to widen outside market hours, which means worse execution quality.
Risk reminder: TradFi perpetuals are leveraged instruments and price volatility can result in loss of principal. A small adverse move at high leverage can wipe out the margin and trigger liquidation. Price gaps at market open may break through your stop before it executes; liquidity during closures is thinner and spreads wider; funding keeps accruing. Adjusting leverage affects your risk limits and available leverage, not the size of an actual loss. This article is for information only and is not investment advice; check official pages and your account for actual fees, limits and pricing mechanics.
Summary
What a TradFi beginner actually needs to learn is not where the buttons are, but how the four settings work. Account type decides whether your assets can drag each other down; margin mode decides how far one mistake spreads; position mode decides whether you can build a hedging structure; leverage and risk limits decide how large a position you can carry and whether it gets downgraded. None of these appear on the order screen — all four show up the first time the market turns against you.
A sensible sequence for a newcomer: decide first whether long-term holdings belong in the same account, start with isolated margin and one-way mode, use low leverage to build your limit tier gradually, then run one complete cycle at minimum size. If you have no account yet, register through https://partner.bybit.com/b/BTC9149 and the referral code fills in automatically. Enter referral code BTC9149 and enable MNT fee deduction and trading fees reach an up to 58% discount — but that discount applies to trading fees only. It does not offset funding costs, and it does not change how any of the four settings behave.
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