# Closing / Decreasing a Position To close * Call `PositionRouter.createDecreasePosition` with parameters: * `_path`: \[collateralToken] or \[collateralToken, tokenOut] if a swap is needed * `_indexToken`: the index token of the position * `_collateralDelta`: the amount of collateral in USD value to withdraw * `_sizeDelta`: the USD value of the change in position size * `_isLong`: whether the position is a long or short * `_receiver`: the address to receive the withdrawn tokens * `_acceptablePrice`: the USD value of the min (for longs) or max (for shorts) index price acceptable when executing the request * `_minOut`: the min output token amount * `_executionFee`: can be set to PositionRouter.minExecutionFee * `_withdrawETH`: only applicable if WETH will be withdrawn, the WETH will be unwrapped to ETH if this is set to true * `_callbackTarget`: an optional callback contract, this contract will be called on request execution or cancellation * After this transaction is sent a keeper will execute the request, the request will either be executed or cancelled * If the position cannot be decreased for reasons such as the `_acceptablePrice` not being fulfillable then the request will be cancelled and there will be no change to the position * `_minOut` can be zero if no swap is required or decrease an existing position: --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.minerva.money/core-features/trading/closing-decreasing-a-position.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.