No.3
Disclosure
2026/11/04 07:37
四半期報告書（10-Q）
QDEL QuidelOrtho CorpUS-listed
3 posts
QuidelOrtho Corp stock plunged on Nov 6: what happened
It closed at $10.70 on Nov 6 (−$2.14, −16.67%), ranking #42 among the top losers of 5,527 US stocks priced $1 or more.
No disclosures were found for this stock around that day. Share what you know in the posts below.
Changes are calculated from the closing prices this site collects daily. Please make your own investment decisions.
QuidelOrtho Corp (QDEL) at a glance
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
QuidelOrtho Corp (QDEL) Stock Price History
QuidelOrtho Corp closed at $10.70 on Nov 6, 2026, −14.9% over 1 month, −47.4% over 1 year.
Price5-day MA25-day MAS&P 500Disclosures
1-Month High$14.35Nov 4
1-Month Low$10.70Nov 6
1-Week Change−19.2%vs Oct 30
1-Month Change−14.9%vs Oct 6
If you had invested $1,000 1 month ago, it would be worth $851 today (−14.9%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −5.7%, while this stock moved −14.9%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $10.70 | −2.14 | −16.67% |
| Nov 5 (Thu) | $12.84 | −1.51 | −10.52% |
| Nov 4 (Wed) | $14.35 | +0.26 | +1.85% |
| Nov 3 (Tue) | $14.09 | +0.06 | +0.43% |
| Nov 2 (Mon) | $14.03 | +0.78 | +5.89% |
| Oct 30 (Fri) | $13.25 | −0.51 | −3.71% |
| Oct 29 (Thu) | $13.76 | −0.25 | −1.78% |
| Oct 28 (Wed) | $14.01 | +0.42 | +3.09% |
| Oct 27 (Tue) | $13.59 | −0.18 | −1.31% |
| Oct 26 (Mon) | $13.77 | +0.04 | +0.29% |
Price5-day MA25-day MAS&P 500Disclosures
3-Month High$16.32Aug 6
3-Month Low$10.34Sep 23
1-Month Change−14.9%vs Oct 6
3-Month Change−34.4%vs Aug 6
If you had invested $1,000 3 months ago, it would be worth $656 today (−34.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −4.3%, while this stock moved −34.4%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $10.70 | −2.14 | −16.67% |
| Nov 5 (Thu) | $12.84 | −1.51 | −10.52% |
| Nov 4 (Wed) | $14.35 | +0.26 | +1.85% |
| Nov 3 (Tue) | $14.09 | +0.06 | +0.43% |
| Nov 2 (Mon) | $14.03 | +0.78 | +5.89% |
| Oct 30 (Fri) | $13.25 | −0.51 | −3.71% |
| Oct 29 (Thu) | $13.76 | −0.25 | −1.78% |
| Oct 28 (Wed) | $14.01 | +0.42 | +3.09% |
| Oct 27 (Tue) | $13.59 | −0.18 | −1.31% |
| Oct 26 (Mon) | $13.77 | +0.04 | +0.29% |
Price25-day MA75-day MAS&P 500Disclosures
6-Month High$18.27Jul 10
6-Month Low$9.96May 11
3-Month Change−34.4%vs Aug 6
6-Month Change−2.4%vs May 6
If you had invested $1,000 6 months ago, it would be worth $976 today (−2.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +0.2%, while this stock moved −2.4%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $10.70 | −19.2% |
| Oct 2026 | $13.25 | +25.7% |
| Sep 2026 | $10.54 | −27.0% |
| Aug 2026 | $14.43 | −14.0% |
| Jul 2026 | $16.77 | −4.3% |
| Jun 2026 | $17.52 | +34.6% |
| May 2026 | $13.02 | +5.9% |
Price25-day MA75-day MAS&P 500Disclosures
52-Week High$35.38Jan 15
52-Week Low$9.96May 11
Year to Date−62.5%vs Dec 31
From 52-Week High−69.8%Jan 15
If you had invested $1,000 1 year ago, it would be worth $526 today (−47.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +9.6%, while this stock moved −47.4%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $10.70 | −19.2% |
| Oct 2026 | $13.25 | +25.7% |
| Sep 2026 | $10.54 | −27.0% |
| Aug 2026 | $14.43 | −14.0% |
| Jul 2026 | $16.77 | −4.3% |
| Jun 2026 | $17.52 | +34.6% |
| May 2026 | $13.02 | +5.9% |
| Apr 2026 | $12.30 | −25.1% |
| Mar 2026 | $16.43 | −27.7% |
| Feb 2026 | $22.74 | −16.3% |
| Jan 2026 | $27.17 | −4.9% |
| Dec 2025 | $28.56 | +4.4% |
| Nov 2025 | $27.35 | ― |
Price13-week MA26-week MAS&P 500
3-Year High$73.98Dec 18, 2023
3-Year Low$10.32May 15, 2026
Annualized Return−43.5%
Max Drawdown−86.1%
If you had invested $1,000 3 years ago, it would be worth $180 today (−82.0%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +67.1%, while this stock moved −82.0%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $10.70 | −62.5% |
| 2025 | $28.56 | ― |
Price13-week MA26-week MAS&P 500
5-Year High$161.75Dec 13, 2021
5-Year Low$10.32May 15, 2026
Annualized Return−40.6%
Max Drawdown−93.6%
If you had invested $1,000 5 years ago, it would be worth $74 today (−92.6%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +57.5%, while this stock moved −92.6%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $10.70 | −62.5% |
| 2025 | $28.56 | ― |
Price1-year MA2-year MAS&P 500
All-Time High$282.47Jul 2020
All-Time Low$2.00Nov 1998
Total Change+86.1%vs Feb 1991
Annualized Return+1.8%
If you had invested $1,000 in Feb 1991, it would be worth $1,861 today (+86.1%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +1,909.7%, while this stock moved +86.1%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $10.70 | −62.5% |
| 2025 | $28.56 | −35.9% |
| 2024 | $44.55 | −39.6% |
| 2023 | $73.70 | −14.0% |
| 2022 | $85.67 | −36.5% |
| 2021 | $134.99 | −24.9% |
| 2020 | $179.65 | +139.4% |
| 2019 | $75.03 | +53.7% |
| 2018 | $48.82 | +12.6% |
| 2017 | $43.35 | +102.4% |
| 2016 | $21.42 | +1.0% |
| 2015 | $21.20 | −26.7% |
| 2014 | $28.92 | −6.4% |
| 2013 | $30.89 | +65.5% |
| 2012 | $18.67 | +23.4% |
| 2011 | $15.13 | +4.7% |
| 2010 | $14.45 | +4.9% |
| 2009 | $13.78 | +5.4% |
| 2008 | $13.07 | −32.9% |
| 2007 | $19.47 | +43.0% |
| 2006 | $13.62 | +26.6% |
| 2005 | $10.76 | +111.8% |
| 2004 | $5.08 | −52.8% |
| 2003 | $10.77 | +211.3% |
| 2002 | $3.46 | −55.0% |
| 2001 | $7.69 | +52.9% |
| 2000 | $5.03 | −26.8% |
| 1999 | $6.88 | +182.0% |
| 1998 | $2.44 | −32.7% |
| 1997 | $3.63 | −19.4% |
| 1996 | $4.50 | −36.8% |
| 1995 | $7.13 | +192.2% |
| 1994 | $2.44 | −45.8% |
| 1993 | $4.50 | +2.9% |
| 1992 | $4.38 | +9.4% |
| 1991 | $4.00 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Feb 1991). Please check the latest prices before trading.
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No.2
Disclosure
2026/11/04 06:09
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）／役員の異動（就任・退任・報酬）（Item 5.02）／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）／役員の異動（就任・退任・報酬）（Item 5.02）／財務諸表および添付資料（Item 9.01）
Delete
No.1
Disclosure
2026/09/24 05:41
臨時報告（重要事象）（8-K）
重要な契約の締結（Item 1.01）／財務諸表および添付資料（Item 9.01）
重要な契約の締結（Item 1.01）／財務諸表および添付資料（Item 9.01）