It should be said that the shorter the period of support and pressure, the more likely it is useless.

Too much pressure and support in a short time. As long as there is a little directional power, you may lose the price breakthrough pressure or breakdown support, such as the support level and pressure level of 1 minute, 5 minutes or even 15 minutes, which may be of little use.

Since the futures price is uncertain, we can't say that these pressures or supports are completely useless, but the probability of usefulness is low, so it is not suitable to use these pressures or supports in a time period to construct trading strategies.