Users cannot withdraw the entire stack of over 18 million staked ether immediately after the upgrade. However, just over 1 million ETH earned in staking rewards can be pulled out immediately. Troubled entities like crypto lender Celsius might sell its staked ether balance of 158,176 ETH to recover at least a portion of creditors’ funds, according to K33 Research.
Source: https://www.coindesk.com/markets/2023/04/12/ether-bitcoin-ratio-likely-to-drop-after-shapella-qcp-capital/?utm_medium=referral&utm_source=rss&utm_campaign=headlines