The failure of oil's upward attack on Thursday means that the previous pattern of range volatility has still not been broken. Although a new high of 74.73 appeared in the middle, it can only be seen as a kind of strong rebound. After the sharp drop last night, it means that today will also continue the downward trend, and the market will build a more complex range consolidation pattern at the relative bottom.So today you can briefly look at the decline first, and then catch the rebound at the low level.
This is the overall idea, if detailed, you can click on the link below to get it.