The highest closing price for Protagonist Therapeutics (PTGX) last month was $67.42, on September 26. It was up 11.8% for the month. The latest price is $77.69.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
September 30 2025 | $65.14 | $67.04 | $65.06 | $66.43 | 1,446,153 |
September 29 2025 | $67.42 | $68.17 | $63.82 | $65.14 | 2,017,894 |
September 26 2025 | $65.40 | $68.26 | $64.02 | $67.42 | 1,424,228 |
September 25 2025 | $65.42 | $66.38 | $64.34 | $64.70 | 806,352 |
September 24 2025 | $65.00 | $66.70 | $63.83 | $65.95 | 857,043 |
September 23 2025 | $64.00 | $65.08 | $63.74 | $65.06 | 568,747 |
September 22 2025 | $62.35 | $64.59 | $61.95 | $64.51 | 702,623 |
September 19 2025 | $62.22 | $63.30 | $61.64 | $62.20 | 2,461,715 |
September 18 2025 | $59.55 | $62.21 | $58.91 | $62.14 | 1,358,129 |
September 17 2025 | $60.05 | $61.34 | $59.02 | $59.22 | 912,792 |
September 16 2025 | $58.16 | $59.14 | $57.90 | $58.59 | 633,958 |
September 15 2025 | $58.86 | $59.64 | $57.91 | $58.38 | 929,176 |
September 12 2025 | $60.40 | $60.40 | $58.75 | $58.86 | 685,843 |
September 11 2025 | $57.81 | $59.71 | $57.53 | $59.68 | 939,398 |
September 10 2025 | $58.47 | $58.47 | $57.13 | $57.74 | 843,342 |
September 09 2025 | $56.50 | $59.31 | $54.50 | $58.36 | 1,483,258 |
September 08 2025 | $59.50 | $59.50 | $54.60 | $56.19 | 1,643,272 |
September 05 2025 | $59.34 | $61.04 | $58.03 | $60.53 | 1,926,568 |
September 04 2025 | $58.22 | $60.71 | $57.45 | $59.60 | 1,473,769 |
September 03 2025 | $58.25 | $59.51 | $57.49 | $58.11 | 1,018,810 |
September 02 2025 | $59.40 | $59.75 | $58.27 | $58.85 | 665,841 |
Daily pricing data for Protagonist Therapeutics dates back to 8/11/2016, and may be incomplete.
