Why it matters
Perpetual trading gives traders more flexibility than spot trading. You can:- profit if the price goes up by opening a long
- profit if the price goes down by opening a short
- use leverage to control a bigger position with less capital
- hedge a spot portfolio when the market looks weak
Why perpetuals feel different from spot
Spot traders usually think in simple ownership terms: buy the asset, hold it, sell it later. Perpetual traders think differently because the position is an exposure with:- leverage
- margin requirements
- liquidation risk
- funding over time
Simple example
Imagine BTC is trading at60,000 USDC.
You open a perpetual long with:
100 USDCof margin5xleverage
500 USDC.
If BTC rises by 2%, your position gains about 10 USDC before fees and funding.
If BTC falls by 2%, your position loses about 10 USDC.
The important part is that your profit and loss are based on the full position size, not only on the margin you put in.
One more thing: funding
Perpetual markets usually use a funding mechanism to keep the contract price close to the spot price. In practice, funding matters most when you hold a position through one or more funding windows instead of opening and closing quickly. The trader-level idea is simple:- funding can add a cost or a credit over time
- larger positions feel the effect more
- overnight holds are affected more than quick trades
- the market list shows 8h Funding
- the market header shows Funding Rate and Next Funding
- the Positions tab includes funding-related information for live perps
- Funding History lets you review payments or receipts after they happen
Holding a perpetual position overnight
Because perpetuals do not expire, you can keep the trade open beyond the current session. But holding overnight is not the same as simply doing nothing. When a trader carries a perp position longer, several things continue to matter while the trade is open:- unrealized PnL keeps changing with market price
- liquidation risk can move as the market moves
- funding can add a cost or a credit at each funding window
- available margin can change if the account is in Cross
What “rolling” or “carrying” the position really means
Traditional futures have expiry dates. Perpetuals do not. So in practice, “carrying” the position means:- you keep the same exposure open
- the position remains subject to margin and liquidation rules
- funding continues to matter each time the next funding event arrives
What to check before keeping a perp open longer
Before you decide to carry the position:- Check the current Funding Rate.
- Check Next Funding in the market header.
- Re-check your stop-loss and liquidation distance.
- Decide whether the trade still makes sense if funding is applied one or more times before your planned exit.
- the position uses high leverage
- the trade is already close to invalidation
- the expected edge is small relative to potential carry cost
A practical overnight checklist
If you plan to leave a perp open after your active session ends, review:- whether the stop-loss is still at the right level
- whether the position size is still appropriate
- whether the funding environment still supports the trade
- whether the remaining margin buffer is still comfortable