Cramer: This market has eerie parallels with 2018. Here's what investors should do

CNBC's Jim Cramer warned investors that the current market environment shares striking similarities with the fall of 2018, when rising interest rates and geopolitical tensions triggered a nearly 20% sell-off in the S&P 500 between late September and Christmas Eve. Cramer highlighted key macroeconomic headwinds facing the market, including crude oil trading near $100 per barrel, the 10-year Treasury yield approaching 5%, and persistent inflation running above the Federal Reserve's target rate. While Cramer stopped short of predicting a full-blown market collapse, he noted that historical patterns could rhyme. He highlighted the pressure facing Fed leadership over potential monetary tightening amid high inflation. However, he also emphasized that policymakers and investors may be better equipped to navigate the current policy climate than during previous cycles. To protect portfolios against potential volatility into the final months of the year, Cramer advised investors against panic selling. Instead, he recommended a disciplined strategy of trimming winning positions, locking in profits, and building a cash reserve to capitalize on potential pullbacks by purchasing high-quality equities at attractive valuations.