1. First of all, Shanghai copper and rubber are rare active varieties in the previous period, especially rubber futures, which not only have obvious opening gaps, but also have high intraday band intensity and strong short-term profits. Although the fluctuation intensity of Shanghai copper contract is great, the intraday fluctuation is not as good as that of rubber futures, as shown in the figure of Shanghai copper 130 1 contract, and the closing price fluctuation is still very stable. In the long run, the fluctuation intensity of Shanghai copper is not very high, and there are still opportunities for intraday trading in the process of steady fluctuation. 2. Comparing the daily K-line fluctuation intensity of rubber 130 1, we can find that the roc index often reaches more than 40 from the long-term analysis, which shows that once the unilateral market in the bullish trend appears, you can get good returns by participating in the intraday trading of rubber futures, and investors in operation can operate when the unilateral market appears. 3. However, according to the operating law of stable roc index, the variety of soybean oil futures fluctuates relatively stably, and the index generally runs below 20. The trend of soybean oil futures price is not obvious, and short-term operation opportunities are equally distributed, as shown in the chart of soybean oil contract 130 1. With the rise and fall of futures prices, the value of roc index is between 20 and 30.