What Is a Long Position? Buying to Profit from Price Increases
A long position in perpetual futures trading means you are buying a contract with the expectation that the asset's price will rise. When you go long, you profit from every upward price movement and lose from every downward movement. It is the most straightforward way to express a bullish view on a cryptocurrency using derivatives.
On Perpmate, opening a long position is as simple as selecting your asset, choosing your leverage, and clicking buy. Your margin (USDC collateral) backs the position, and you can manage your risk with take profit (TP) and stop-loss (TL) orders.
How a Long Position Works
When you open a long position, you are agreeing to buy the asset at the current price. Your profit or loss is then determined by where the price goes:
Long PnL = (Exit Price - Entry Price) x Position Size
- If the price goes up, you profit.
- If the price goes down, you lose.
- If the price reaches your liquidation price, your position is force-closed and you lose your margin.
Step-by-Step Example
- BTC is trading at 60,000 USDC. You believe it will rise.
- You deposit 1,000 USDC and open a long with 10x leverage.
- Your position size is 1,000 x 10 = 10,000 USDC (0.1667 BTC).
- BTC rises to 63,000 USDC (a 5% increase).
- Your PnL = (63,000 - 60,000) x 0.1667 = +500 USDC (50% return on margin).
If BTC fell to 57,000 instead (a 5% decrease):
- Your PnL = (57,000 - 60,000) x 0.1667 = -500 USDC (50% loss on margin).
Leverage and Long Positions
Leverage multiplies both the size of your position and the magnitude of your gains and losses. Here is how different leverage levels affect a long trade starting with 1,000 USDC margin and a BTC entry at 60,000 USDC:
| Leverage | Position Size | BTC +3% Profit | BTC -3% Loss | Approx. Liquidation |
|---|---|---|---|---|
| 2x | 2,000 USDC | +60 USDC (6%) | -60 USDC (6%) | ~50% drop |
| 5x | 5,000 USDC | +150 USDC (15%) | -150 USDC (15%) | ~20% drop |
| 10x | 10,000 USDC | +300 USDC (30%) | -300 USDC (30%) | ~10% drop |
| 20x | 20,000 USDC | +600 USDC (60%) | -600 USDC (60%) | ~5% drop |
| 40x | 40,000 USDC | +1,200 USDC (120%) | -1,000 USDC (liq.) | ~2.5% drop |
Notice that at 40x leverage, a 3% drop exceeds the 1,000 USDC margin. The position would be liquidated before the full 3% move, and you would lose your entire 1,000 USDC margin.
Complete Long Trade Example on Perpmate
Let us walk through a fully managed long trade from start to finish:
Setup:
- Account balance: 5,000 USDC
- Asset: ETH at 3,000 USDC
- Leverage: 10x
- Margin: 1,000 USDC (isolated margin mode)
- Position size: 10,000 USDC (3.333 ETH)
Risk management orders:
- Take Profit (TP): 3,300 USDC (10% gain target)
- Stop-Loss (TL): 2,850 USDC (5% loss limit)
Outcome A -- TP hit:
- ETH reaches 3,300 USDC. Position closes automatically.
- PnL = (3,300 - 3,000) x 3.333 = +1,000 USDC (100% return on margin)
- Minus fees (~5 USDC round trip) and funding (~3 USDC if held 24 hours)
- Net realized PnL: approximately +992 USDC
Outcome B -- TL hit:
- ETH drops to 2,850 USDC. Stop-loss triggers.
- PnL = (2,850 - 3,000) x 3.333 = -500 USDC (50% loss on margin)
- You still have 500 USDC of your original 1,000 margin, plus 4,000 USDC untouched.
- Risk was defined and controlled before the trade was placed.
Outcome C -- No orders hit, manual close:
- ETH moves to 3,150 USDC after 3 days. You decide to take profit manually.
- PnL = (3,150 - 3,000) x 3.333 = +500 USDC
- Funding payments (3 days, 9 intervals at 0.01%): 10,000 x 0.0001 x 9 = -9 USDC
- Net PnL: approximately +486 USDC after fees and funding
Long Position vs Short Position
Understanding the difference between longs and shorts is fundamental:
| Attribute | Long Position | Short Position |
|---|---|---|
| Market view | Bullish (price will rise) | Bearish (price will fall) |
| Profit when | Price increases | Price decreases |
| Loss when | Price decreases | Price increases |
| Maximum loss | 100% of margin (price to zero) | Theoretically unlimited (price can rise indefinitely) |
| Positive funding rate | You pay shorts | You receive from longs |
When to Go Long
Consider opening a long position when:
- Technical analysis shows bullish signals: Breakout above resistance, bullish chart patterns, moving average crossovers
- Fundamental catalysts are positive: Network upgrades, institutional adoption, favorable regulations
- Market structure supports it: Rising open interest with rising price confirms fresh buying
- Funding rate is not extreme: Extremely high positive funding means the long side is already crowded and you will pay steep fees
Common Long Position Mistakes
- No stop-loss: Hoping the price will recover instead of defining your exit. Use a TL order.
- Overleveraging: Using 40x on a swing trade. High leverage requires tight stops and active management.
- Ignoring funding costs: Holding a 20x long through days of 0.05% funding can erode hundreds of dollars from your margin.
- Chasing green candles: Buying after a large move up often means entering near the top where short-sellers are waiting.
- All-in positioning: Putting your entire balance into one long leaves no room for averaging in or taking other opportunities.
For a step-by-step walkthrough of opening a long, see our long position guide.
Related Terms
- Short Position: The opposite trade direction, profiting from price decreases
- Leverage: Multiplies your long position size and PnL
- Margin: The USDC collateral backing your long
- Take Profit (TP): Automatically closes your long at a target price
- Stop-Loss (TL): Limits your downside on a losing long
- PnL: How your long position's profit and loss is calculated