If we look backwards along this we will see many occasions where the 45 has acted as both resistance and support.
Now if we look at the Yellow Arrows we see that each time the has broken upward here with convincing strength, the following price action was notably .
Furthermore if we go back to November 2017 we will see that we bounced off of the 45 before we went to All Time High.
What does it mean?
Keep a very close eye the next few days to see which way this indicator breaks..