GlossaryLevel 10

Thinking in probabilities

Thinking in probabilities means putting at the centre the sentence every level of this course repeats: no analysis produces certainty. The strongest table of evidence — a completed pattern, volume confirmation, a held retest, confluence — only leans probability to one side; it never determines the outcome. A single event and a long series are different things: one coin toss is entirely uncertain, the sum of a thousand tosses is remarkably stable. On a chart this changes the question, from "what happens this time?" to "where does the evidence concentrate in situations like this, and what happens if I am wrong?". The practical consequence: a single outcome neither validates nor refutes an analysis. A well-read chart can end badly and a sloppy reading can get lucky. The common misreading grades the process by the outcome — "it ended well, so I must have read it right". That rewards lucky sloppiness and punishes disciplined reading, and over a long series the opposite wins. This is the first stone of risk literacy: asking "did I read it well?" independently of "did it end well?".

This content is educational information, not personalised investment advice. The chart examples are illustrative.

Lessons that teach this concept

  1. Level 10Introducing lessonThinking in probabilities
  2. Level 3What are support and resistance?

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