No.2
Disclosure
2026/11/06 22:49
四半期報告書（10-Q）
PTGX Protagonist Therapeutics, IncUS-listed
2 posts
Protagonist Therapeutics, Inc (PTGX) at a glance
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
Protagonist Therapeutics, Inc (PTGX) Stock Price History
Protagonist Therapeutics, Inc closed at $132.04 on Nov 6, 2026, −4.8% over 1 month, +66.0% over 1 year.
Price5-day MA25-day MAS&P 500Disclosures
1-Month High$144.88Oct 12
1-Month Low$128.75Oct 16
1-Week Change−8.8%vs Oct 30
1-Month Change−4.8%vs Oct 6
If you had invested $1,000 1 month ago, it would be worth $952 today (−4.8%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −5.7%, while this stock moved −4.8%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $132.04 | −3.22 | −2.38% |
| Nov 5 (Thu) | $135.26 | −8.11 | −5.66% |
| Nov 4 (Wed) | $143.37 | +3.13 | +2.23% |
| Nov 3 (Tue) | $140.24 | +0.87 | +0.62% |
| Nov 2 (Mon) | $139.37 | −5.48 | −3.78% |
| Oct 30 (Fri) | $144.85 | +0.51 | +0.35% |
| Oct 29 (Thu) | $144.34 | +2.20 | +1.55% |
| Oct 28 (Wed) | $142.14 | +1.02 | +0.72% |
| Oct 27 (Tue) | $141.12 | +0.80 | +0.57% |
| Oct 26 (Mon) | $140.32 | +1.89 | +1.37% |
Price5-day MA25-day MAS&P 500Disclosures
3-Month High$158.62Aug 17
3-Month Low$128.75Oct 16
1-Month Change−4.8%vs Oct 6
3-Month Change−9.7%vs Aug 6
If you had invested $1,000 3 months ago, it would be worth $903 today (−9.7%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −4.3%, while this stock moved −9.7%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $132.04 | −3.22 | −2.38% |
| Nov 5 (Thu) | $135.26 | −8.11 | −5.66% |
| Nov 4 (Wed) | $143.37 | +3.13 | +2.23% |
| Nov 3 (Tue) | $140.24 | +0.87 | +0.62% |
| Nov 2 (Mon) | $139.37 | −5.48 | −3.78% |
| Oct 30 (Fri) | $144.85 | +0.51 | +0.35% |
| Oct 29 (Thu) | $144.34 | +2.20 | +1.55% |
| Oct 28 (Wed) | $142.14 | +1.02 | +0.72% |
| Oct 27 (Tue) | $141.12 | +0.80 | +0.57% |
| Oct 26 (Mon) | $140.32 | +1.89 | +1.37% |
Price25-day MA75-day MAS&P 500Disclosures
6-Month High$158.62Aug 17
6-Month Low$93.23Jun 2
3-Month Change−9.7%vs Aug 6
6-Month Change+27.0%vs May 6
If you had invested $1,000 6 months ago, it would be worth $1,270 today (+27.0%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +0.2%, while this stock moved +27.0%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $132.04 | −8.8% |
| Oct 2026 | $144.85 | +2.8% |
| Sep 2026 | $140.89 | −4.6% |
| Aug 2026 | $147.75 | +8.1% |
| Jul 2026 | $136.64 | +11.5% |
| Jun 2026 | $122.58 | +23.1% |
| May 2026 | $99.56 | +0.6% |
Price25-day MA75-day MAS&P 500Disclosures
52-Week High$158.62Aug 17
52-Week Low$79.54Nov 7
Year to Date+51.2%vs Dec 31
From 52-Week High−16.8%Aug 17
If you had invested $1,000 1 year ago, it would be worth $1,660 today (+66.0%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +9.6%, while this stock moved +66.0%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $132.04 | −8.8% |
| Oct 2026 | $144.85 | +2.8% |
| Sep 2026 | $140.89 | −4.6% |
| Aug 2026 | $147.75 | +8.1% |
| Jul 2026 | $136.64 | +11.5% |
| Jun 2026 | $122.58 | +23.1% |
| May 2026 | $99.56 | +0.6% |
| Apr 2026 | $98.97 | −6.1% |
| Mar 2026 | $105.40 | +14.5% |
| Feb 2026 | $92.08 | +12.6% |
| Jan 2026 | $81.80 | −6.3% |
| Dec 2025 | $87.34 | −3.0% |
| Nov 2025 | $90.00 | ― |
Price13-week MA26-week MAS&P 500
3-Year High$155.10Aug 14, 2026
3-Year Low$15.49Nov 6, 2023
Annualized Return+104.2%
Max Drawdown−22.6%
If you had invested $1,000 3 years ago, it would be worth $8,524 today (+752.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +67.1%, while this stock moved +752.4%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $132.04 | +51.2% |
| 2025 | $87.34 | ― |
Price13-week MA26-week MAS&P 500
5-Year High$155.10Aug 14, 2026
5-Year Low$7.33Jun 6, 2022
Annualized Return+28.9%
Max Drawdown−80.2%
If you had invested $1,000 5 years ago, it would be worth $3,559 today (+255.9%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +57.5%, while this stock moved +255.9%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $132.04 | +51.2% |
| 2025 | $87.34 | ― |
Price1-year MA2-year MAS&P 500
All-Time High$147.75Aug 2026
All-Time Low$6.47Nov 2018
Total Change+524.9%vs Sep 2016
Annualized Return+19.7%
If you had invested $1,000 in Sep 2016, it would be worth $6,249 today (+524.9%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +235.5%, while this stock moved +524.9%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $132.04 | +51.2% |
| 2025 | $87.34 | +126.3% |
| 2024 | $38.60 | +68.3% |
| 2023 | $22.93 | +110.2% |
| 2022 | $10.91 | −68.1% |
| 2021 | $34.20 | +69.6% |
| 2020 | $20.16 | +186.0% |
| 2019 | $7.05 | +4.8% |
| 2018 | $6.73 | −67.6% |
| 2017 | $20.80 | −5.4% |
| 2016 | $21.99 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Sep 2016). Please check the latest prices before trading.
Recent SEC filings (EDGAR)
- 11/06 08:49 10-Q
- 11/05 16:19 8-K 決算発表（経営成績・財政状態）（Item 2.02）／財務諸表および添付資料（Item 9.01）
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No.1
Disclosure
2026/11/06 06:19
臨時報告（重要事象）（8-K）
決算発表（経営成績・財政状態）（Item 2.02）／財務諸表および添付資料（Item 9.01）
決算発表（経営成績・財政状態）（Item 2.02）／財務諸表および添付資料（Item 9.01）
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