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PTGX

Protagonist Therapeutics, Inc.
Health Care
$151.42 0.59 (0.39%) Thu End-of-day close · Aug 13, 2026
8/10of the Ten Checks passingunchanged since Wednesday’s closeSame Ten Checks for every stock — a measurement, not a ranking or a call to act. How the Ten Checks work →
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When PTGX passed all Ten ChecksProtagonist Therapeutics, Inc.

history · not a forecast

Over the past 10 years, PTGX has passed all Ten Checks on 7 separate days. Here is how it moved over the 20 trading sessions that followed — how far it rose, and how far it fell.

Typical peak+16.1% the median high of all 7
Typical dip-4.9% the median low along the way

The strongest of them rose +47.8% in Sep 2025, still rising at session 20.

Most recentpeakdip
  • Sep 2025+47.8% -0.8%
  • Feb 2024+16.1% +2.4%
  • Jan 2024+23.9% +4.1%

Peak and dip mark the highest and lowest closing prices over those 20 sessions; the intraday swings ran wider still, and neither figure is a return you could have captured by buying and selling at the perfect moment. These are historical readings from the past 10 years, drawn only from the US-listed stocks the site covers today — a record of what happened, not a prediction of what will, and not investment advice.

6-month history — checks vs. price

Price on the left axis; checks passing (0–10) on the right.

Close ($)Checks (0–10)
Aug 13, 20268/10 checks$151.42closelatest · hover the chart to scan
Checks passing over the last 126 sessions count only · not price
0510Feb 11Aug 13

Common questions about PTGX’s checks

How many technical checks does PTGX pass right now?

As of the Aug 13, 2026 close, PTGX passes 8 of 10 fixed technical checks — the checks not passing: pulled back to support, not overextended.

Why does PTGX fail the "pulled back to support" check?

PTGX hasn't touched its 21-day average ($139.49) in the last 3 sessions, so the pullback check fails. It passes on a dip back toward $139.49.

What price would change PTGX's check count?

The nearest flip level is "adequate stop room" fails on a close below $145.22. Each price-anchored check has an exact next-close level, shown in the Flip levels panel above.

Factual measurements from the latest scan — not investment advice.