The S&P 500 Index (SPX) has experienced notable fluctuations recently. After rising 13% from the August trough lows, it saw a minor decline of 1% on October 1, 2024. The following day, the SPX showed a range expansion with a low of 5674.49 and closed at 5618.26 on September 18. The index then filled the cash gap to the Tuesday close, ending with a slight positive gain of 0.90 points. Investors are holding small positions, indicating cautious optimism. The SPX also experienced a -0.5% change, and the OPEX low was noted.