Single print

A single print is a price row in a Market Profile that was visited during only one time bracket, so it carries a single TPO letter. It marks a price the auction crossed without building any two-sided trade, and it is watched as a thin, unfinished area.

Senzoukria · Glossary · Updated September 2026

The TPO definition

A Market Profile splits the session into time brackets, usually 30 minutes each, and assigns one letter to every price row the bracket traded at. A row with a single letter is a single print: only one bracket ever reached that price. Single prints usually appear in the tail of a fast move, when price runs through a stretch of levels and does not come back within the same period.

  • A run of consecutive single prints is often called a tail or a spike, depending on where it sits in the profile.
  • A single print at the extreme of the profile is a buying or selling tail; inside the profile it splits two distributions.
  • Once a later bracket trades back through the row, it gets a second letter and stops being a single print.

Reading single prints

  • They are areas where one side of the auction was absent; the market may return to see whether the other side is still absent.
  • A tail of single prints at a session low that is never revisited is one of the classic signs of a rejected price.
  • Single prints inside the profile are decision lines: acceptance above or below them changes which value area price belongs to.
  • A single print is a TPO fact, not a volume fact. A row can be a single print and still carry meaningful volume if the bracket was busy.

In Senzoukria

Single prints appear in two places. The 'Market Profile (TPO)' overlay draws the letters, and its 'Auto levels' option scores single prints among the levels it marks from the last profiles. Separately, the 'Single Prints' overlay in the 'Volume' group marks, on each bar, the price levels whose volume is at most a chosen percentage of that bar's largest level ('Max % of bar peak', 5% by default); the software's own note states this is a low-volume threshold, not TPO single prints or a count of individual executions. Missing levels produce no markers.

Common mistakes

  • Reading the volume-threshold markers as TPO single prints; the two overlays answer different questions.
  • Using a bracket shorter than the chart timeframe; a bar cannot be split into brackets it does not contain, so the letters are not reconstructable.
  • Assuming single prints must be filled. They are references, not obligations.

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Frequently asked questions

Is a single print the same as a low volume node?
No. A single print is defined by time: one bracket only. A low volume node is defined by volume relative to neighbouring levels. They often coincide in a fast move, but a busy 30-minute bracket can leave a single print with plenty of volume.
How does the bracket length change single prints?
A longer bracket merges visits that a shorter bracket would separate, so fewer rows remain single. The 30-minute bracket is the Steidlmayer standard; Senzoukria lets you set a different length, and the letters change accordingly.
Do single prints exist on volume profiles?
Strictly, no; a volume profile has no time brackets. Some tools use the term for levels with very little volume, which is what the Senzoukria 'Single Prints' overlay measures on each bar. The Market Profile (TPO) overlay is where the literal single print is drawn.

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