顶底指标是一种用于衡量市场走势的技术分析指标。顶底指标主要用于判断股价的顶部和底部，从而帮助投资者预测市场的趋势。顶底指标通过分析市场中的波动来确定股价的高点和低点，从而帮助投资者做出买卖决策。顶底指标可以帮助投资者识别市场的顶部和底部，从而更好地把握市场的走势，获取更高的收益。Investopedia: The peak-bottom indicator is a technical analysis indicator used to measure market trends. The peak-bottom indicator is mainly used to determine the top and bottom of stock prices, helping investors predict market trends. The peak-bottom indicator determines the high and low points of stock prices by analyzing fluctuations in the market, helping investors make trading decisions. The peak-bottom indicator can help investors identify the top and bottom of the market, better grasp market trends, and generate higher returns.