> For the complete documentation index, see [llms.txt](https://docs.deri.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.deri.io/trading/deri-lite/perpetual-futures.md).
# Perpetual Futures
**Open a Position**
**Step 1:** Switch to Lite version, enter the Lite interface.
**Step 2:** Click the downward arrow,on the popped-up "Select Market" panel, choose "Futures". Then, select a symbol you want to trade. Here taking the BTC as the example.
**Step 3:** Choose if you wish to long or short your position on the “Buy/Sell” section (Taking long as an example here).\
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Then, select a base token to buy assets: Click on the downward arrow, choose a base token with a balance in your wallet (using USDC as an example in this case).
**Step 4:** Set the notional amount in BTC you’d like to buy (Or you can directly enter the notional amount in USDC, it will be converted to BTCs equivalent). Adjust the leverage through buttons/slider, the leverage can go up to 25x. After setting, click on "Long BTC".\
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On the popped-up wallet interface, click on "Confirm." Open the position successfully now.
Information of the position(s) you have opened up, will be included in your “Positions” tab.
You can add / remove the position’s collateral.\
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**Add collateral**
Click ‘+’ button, choose ‘Add’ section, set the notional amount in USDC you’d like to add through manually entering or selecting a percentage of your wallet balance. Then, click ‘Add Collateral’.
After confirming in the wallet, your collateral adding is done. Check the updated number in the ‘Collateral’ column.
**Remove collateral**
Choose ‘Remove’, set the notional amount in USDC you’d like to remove through manually entering or selecting a percentage of the available balance. Then, click ‘Remove Collateral’.
After confirming in the wallet, your collateral removal is done. Check the updated number in the ‘Collateral’ column.
**Close a Position**\
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**Step 1:** Click “Close” in the position tab. Set the position size you want to close through manually entering a specific size or selecting a percentage of the current position size. (100% means complete close) Then, click ‘Close’.
**Step 2:** After confirming in the wallet, close the position successfully now. You can view your detailed trading history in the “History” section.
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