Support and Resistance
Price areas where the auction previously paused, reversed, or accepted.
These are historical footprints, not walls. They help you locate where other participants have already revealed interest. They fail often; the playbook must say what happens when they do, or the lines become a story generator.
On the desk
Yesterday’s high is a reference. A push through that high that cannot hold is a different setup than a first touch. Both need invalidation written in advance.