Opening a Position

How a trade is created from your input and becomes a live position

Before you open a position

  • Opening a position is a real action that changes system state
  • Hyperliquid includes different market types: the screen opens on Spot by default, and in this guide we use Perps as the example
  • Once executed, the result cannot be undone
  • Your position will immediately start changing with the market

What this step does

Opening a position turns your available balance into an active exposure to the market.

Until this point, your funds are idle. After this step, they begin to respond to price changes in real time.

This is the moment where you move from observation to participation.

Step 1 - Start on the main trading screen

Screen: Chart + trading panel

Hyperliquid main trading screen with chart and trading panel

Main trading UI with chart + order panel

The trading interface is divided into two main areas:

  • the chart, which shows market movement
  • the trading panel, where you define your trade

This is where you select a market and prepare your trade.

Step 2 - Choose the market type for this guide

Screen: Markets selector

Markets selector where Spot is switched to Perps

Market selector

The interface opens in Spot by default.

For this guide, switch to Perps.

To do this, click the market ticker at the top of the screen and select a Perps market.

Step 3 - Define your position in the trading panel

Screen: Order form

Trading panel with direction and size inputs

Order panel with size + Buy/Sell

In the trading panel, you define the position you want to open.

You choose:

  • Direction (Buy / Long or Sell / Short)
  • Position size

Position size can be entered either in base (asset amount) or in quote (position value, usually USDC), depending on the input mode selected in the panel.

These inputs determine your exposure to the market once the position is executed.

Key point

You are opening a position, not buying the asset directly.

You can use a Market or Limit order. In this guide, we use a Market order for simplicity.

Additional settings like margin mode and leverage can be adjusted, but are not required for the basic flow.

Step 4 - Submit the order

Screen: Order confirmation

Confirm Order modal before final order submission

Confirm Order modal before the order is sent.

When you submit the order, it is immediately applied to the system.

There is no separate processing stage - your input directly changes the system state.

At this point, your wallet may ask for confirmation.

This is the moment where your intent becomes an action.

Once confirmed, the order is sent and cannot be canceled retroactively.

Step 5 - Position is now live

Screen: Active position

Open position visible in the Positions tab with live PnL and margin details

Live position appears in the Positions tab with PnL, margin, and liquidation fields.

Once executed, your position becomes part of the system state and appears in your account.

At this point:

  • your balance is partially allocated
  • your position is exposed to price changes
  • profit and loss start updating immediately

There is no \"activation\" step after this.

What is happening now

A position is not a static object - it is part of a continuously updating system.

As the market moves:

  • your PnL changes
  • your margin changes
  • your risk changes

This happens automatically, without additional actions from you.

Order -> Position

Stage What it is Order Your input Execution Input applied to system state Position Resulting state

Key idea

A position is not something you manage separately - it is the direct result of your action and immediately becomes part of the system.

Reinforcement

Opening a position follows the same system logic:

  • you submit an action
  • the system updates state
  • the result appears immediately

There is no stage where the outcome can be adjusted after submission.

What to be aware of

  • Your position starts changing immediately after execution
  • There is no pause between opening and market exposure
  • Closing or adjusting requires a new action

You can move on when

  • You understand how an order becomes a position
  • You recognize when a position becomes active
  • You can explain why positions update automatically without new actions

Next step

Now that your position is live, the next step is to understand how it changes over time and when it becomes unsafe.

→ Continue to Managing a Position

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