Range layout: Try to go long with light positions near 16000-16100, and try with a small stop loss. The 4-hour Bollinger Track continues to maintain channel oscillation, the market is below the weak short position, and the RSI indicator remains below the 50 line. The upper resistance is around 17400-17500, and the lower range support is around 15700-15800. It is temporarily recommended to go high and low in a narrow range during the day. The 1-hour medium and long-term moving average and the lower track area of ​​​​the Bollinger Track are under pressure. The short-term resistance above the rebound should be paid attention to around 16900-17000. In addition, due to the narrow range of the market that has not opened up, the short-term support below should pay attention to around 16000-16100. In the short-term, it is also recommended to focus on the range layout.