# Rebalance Window & Cooldown The Node implements a time-based control system that determines when rebalancing operations can occur: ```solidity uint64 public rebalanceCooldown = 23 hours; // Default uint64 public rebalanceWindow = 1 hours; // Default uint64 public lastRebalance; ``` ### Purpose * Enables Node owners to optimize transaction costs by batching investment and withdrawal transactions * Window provides predictable timeframe for operations * Rebalancer has discretion on when to start new window * Owner can adjust periods based on strategy needs ### Permissions * The Node Owner has exclusive permission to set rebalance cooldown & duration * Whitelisted Rebalancers have exclusive rights to call `startRebalance()` ### Configuration ```solidity // Only owner can modify function setRebalanceCooldown(uint64 newRebalanceCooldown) function setRebalanceWindow(uint64 newRebalanceWindow) ``` ### Timing Rules * Must wait `rebalanceCooldown` between rebalance windows * Rebalancing actions only valid for `rebalanceWindow` duration * Window starts when rebalancer calls `startRebalance()` ### Modifiers ```solidity modifier onlyWhenRebalancing() // Must be within window modifier onlyWhenNotRebalancing() // Must be outside window ``` ### --- # 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://nashpoint.gitbook.io/nashpoint/managing-a-node/rebalance-window-and-cooldown.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.