Chart pattern

PTGX chart pattern — Protagonist Therapeutics

1 formation detected on the latest close (Nov 09, 2026).

Overview Technicals

Descending Channel · Weekly candles

BearishForming

Last close$135.90

Trigger$122.32 (-10.0%)

Upper boundary$146.85

Lower boundary$122.32

Pattern spanAug 21, 2026 → 12 bars

Touches6

Fit score78/100

A steady downtrend held between two parallel falling lines. Trigger: A close above the upper rail is the first real sign the downtrend is ending. A close below the lower rail is capitulation. Invalidation: A sustained close above the upper rail.

Automated detection for education and research; not a recommendation. Levels are drawn from split-adjusted daily prices.