$PTGX
Protagonist Therapeutics, Inc
XNAS•Health Care•Pharmaceutical Preparations
Why is PTGX up today? It is at $154.32 (+2.41%), and our scanner flagged it 22 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment PTGX spikes, and full due diligence on PTGX — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $154.32
- Change today
- +2.41%
- Previous close
- $150.69
- 52-week range
- $54.50 – $160.81
- Market cap
- $9.99B
- Institutional own.
- 99.9%
- Total held
- 100.0%
- Short interest
- 7.5M ▼ -9% vs prior · as of 2026-07-31
- Days to cover
- 14.2d
- Avg daily volume
- 865K
- Sector
- Health Care
- Industry
- Pharmaceutical Preparations
- Exchange
- XNAS
- 5mthin
- 0.5x
- 15mthin
- 0.7x
- 1hthin
- 0.8x
- 1D
- --
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Why is $PTGX up today?
Here is the latest on PTGX from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for PTGX today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Analyst data via Nasdaq. Not investment advice.
Insiders
Insiders selling0 buys, 5 sells last 3 months (8/37 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Patel Dinesh V Ph D Officer | Sold (automatic/other) | -34K 0.05% of company | sold 6.1% | 523K | $5.1M at $148.52 | Aug 11, 26 |
Patel Dinesh V Ph D Officer | Other | 34K 0.05% of company | added 6.5% | 558K | $739K at $21.58 | Aug 11, 26 |
Patel Dinesh V Ph D Officer | Sold (automatic/other) | -66K 0.1% of company | sold 11% | 523K | $9.8M at $149.11 | Aug 10, 26 |
Patel Dinesh V Ph D Officer | Other | 66K 0.1% of company | added 13% | 589K | $1.4M at $21.58 | Aug 10, 26 |
Waddill William D. Director | Sold (automatic/other) | -9K 0.01% of company | sold 53% | 8K | $1.1M at $117.94 | Jun 23, 26 |
Waddill William D. Director | Other | 9K 0.01% of company | added 100% | 17K | $149K at $16.54 | Jun 23, 26 |
Waddill William D. Director | Sold (automatic/other) | -9K 0.01% of company | sold 53% | 8K | $969K at $107.68 | Jun 10, 26 |
Waddill William D. Director | Other | 9K 0.01% of company | added 100% | 17K | $106K at $11.80 | Jun 10, 26 |
Waddill William D. Director | Sold (automatic/other) | -9K 0.01% of company | sold 53% | 8K | $897K at $99.64 | May 29, 26 |
Waddill William D. Director | Other | 9K 0.01% of company | added 100% | 17K | $106K at $11.80 | May 29, 26 |
Patel Dinesh V Ph D Officer | Sold (automatic/other) | -75K 0.1% of company | sold 13% | 523K | $7.5M at $100.12 | May 12, 26 |
Patel Dinesh V Ph D Officer | Other | 75K 0.1% of company | added 14% | 598K | $1.6M at $21.58 | May 12, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
Dilution watch
UnavailableWe could not reach SEC EDGAR, so the dilution check did not run for $PTGX. This is not a clean result: there may be an offering, a registration or a shelf on file that we were unable to read. Check it yourself on SEC EDGAR before trading it.
$PTGX Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$PTGX Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
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PTGX stock FAQ
Why is $PTGX up today?
Here is the latest on PTGX from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for PTGX today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
What is the PTGX stock price today?
PTGX last traded at $154.32, up 2.41% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live PTGX alerts?
The PTGX Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged PTGX 22 times in the last 30 days.
What exchange is PTGX on?
PTGX (Protagonist Therapeutics, Inc) trades on XNAS, with a market cap of about $9.99B in the PHARMACEUTICAL PREPARATIONS sector.
Is PTGX good for day trading?
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge PTGX for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.