Core Viewpoint - The volatility of the stock market poses significant risks for individuals, particularly during retirement when they rely on their investments for income [1][2][3]. Group 1: Importance of Cash Cushion - Maintaining a cash cushion is essential to protect retirement portfolios from market downturns, allowing individuals to avoid selling investments at a loss [4][3]. - A cash cushion enables retirees to leave their investment portfolios untouched during market declines, thereby mitigating potential losses [4]. Group 2: Determining Cash Cushion Size - The appropriate size of a cash cushion should be based on annual withdrawal needs; for example, a retiree expecting to withdraw $90,000 annually may require a three-year cash cushion of $270,000 [5][6]. - If a retiree withdraws $120,000 annually but can reduce spending on non-essential items like travel during downturns, a cash cushion of around $200,000 may suffice [7]. Group 3: Factors Influencing Cash Cushion Decisions - Key factors in determining the size of a cash cushion include annual living expenses, willingness to cut spending during downturns, and the desire for peace of mind [9].