Glossary

Market structure (BOS and CHoCH)

Also: BOS, break of structure, CHoCH, change of character, MSB

A trend is a sequence of swing highs and lows. A break of structure (BOS) takes out the last swing in the trend's direction. A change of character (CHoCH) takes out a swing against it and is the first sign the trend may turn.

How Sentinel uses it

Two SMC engines: Market Structure Break and Change of Character. Their scores are shown on the signal's page.

Led 0 logged outcomes since 22 Sep 2026, 22:00 UTC; 0 matured past the 96 h guard.

Other terms

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