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Closing prices for September 18, 2026
The series is stated in the current share scale after splits; dividends are not included in the price
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| September 18, 2026 | 143.09 | 144.58 | 140.44 | 143.00 | 2m |
| September 17, 2026 | 144.39 | 146.50 | 142.31 | 143.70 | 558,900 |
| September 16, 2026 | 144.19 | 146.19 | 140.88 | 142.84 | 507,000 |
| September 15, 2026 | 147.48 | 147.99 |
Based on reports through December 31, 2025
Protagonist Therapeutics, Inc. (PTGX) is a public company in the healthcare sector. Its common stock trade on NASDAQ.
Over the trailing twelve months as reported to 2025-12-31, revenue was 46.0m $, net income was -130.1m $. Incorporated in US.
This summary is compiled automatically from SEC filings and exchange data.
Address:7707 GATEWAY BLVD., SUITE 140, NEWARK, CA, 94560-1160, US
| 1.1bn |
| PFEPfizer, Inc. | 27.60 | −0.16 % | 949m |
| ABTAbbott Laboratories | 102.50 | +26.40 % | 833m |
| VRTXVertex Pharmaceuticals Incorporated | 510.32 | −1.17 % | 554m |
| BMYBristol-Myers Squibb Company | 62.69 | −0.24 % | 539m |
| 142.00 |
| 143.40 |
| 637,500 |
| September 14, 2026 | 150.23 | 151.24 | 146.83 | 147.78 | 608,000 |
| September 11, 2026 | 147.18 | 150.48 | 145.82 | 148.18 | 478,000 |
| September 10, 2026 | 143.29 | 146.51 | 142.00 | 145.16 | 543,100 |
| September 09, 2026 | 146.05 | 151.19 | 144.46 | 145.09 | 530,500 |
| September 08, 2026 | 143.61 | 147.29 | 142.00 | 145.94 | 700,100 |
| September 04, 2026 | 146.47 | 147.99 | 144.01 | 145.72 | 501,300 |
| September 03, 2026 | 146.68 | 149.49 | 144.00 | 148.80 | 353,900 |
| September 02, 2026 | 148.00 | 149.42 | 144.61 | 146.08 | 561,500 |
| September 01, 2026 | 147.75 | 150.34 | 144.73 | 146.49 | 534,100 |
| August 31, 2026 | 143.26 | 149.30 | 141.95 | 147.75 | 567,300 |
| August 28, 2026 | 147.73 | 147.95 | 142.43 | 144.33 | 500,200 |
| August 27, 2026 | 150.35 | 151.68 | 147.11 | 149.50 | 381,600 |
| August 26, 2026 | 150.36 | 152.07 | 147.69 | 151.50 | 335,500 |
| August 25, 2026 | 155.84 | 157.98 | 150.09 | 150.59 | 664,500 |
| August 24, 2026 | 154.32 | 158.08 | 149.94 | 154.72 | 483,300 |
| August 21, 2026 | 152.10 | 154.95 | 150.82 | 154.32 | 402,500 |