QuidelOrtho Corp (QDEL) stock
QDELNasdaqIn Vitro & In Vivo Diagnostic SubstancesFiscal year ends January 1
Financials through Q2 FY2026, quarter ended Jun 28, 2026Last filing: 10-Q on Aug 7, 2026Score 6/3084% below fair value
$13.25−0.51 (-3.71%)
Close on Oct 30, 2026Market cap $908.62MP/E –Yield –
Price history
QuidelOrtho share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$13.25
-3.71% on the day
52-week range
$9.92 – $35.58
-62.8% from the high
Change over 52 weeks
-50.6%
From $26.81 on Oct 30, 2025
Average volume
1.70M
Shares a day, last 90 sessions
| Date | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 30, 2026 | $13.45 | $13.51 | $12.48 | $13.25 | -3.71% | 1,737,545 |
| Oct 29, 2026 | $14.00 | $14.26 | $13.64 | $13.76 | -1.78% | 1,509,010 |
| Oct 28, 2026 | $13.45 | $14.56 | $13.45 | $14.01 | +3.09% | 1,623,459 |
| Oct 27, 2026 | $13.73 | $14.36 | $13.51 | $13.59 | -1.31% | 2,075,872 |
| Oct 26, 2026 | $13.71 | $13.90 | $12.57 | $13.77 | +0.29% | 2,179,559 |
| Oct 23, 2026 | $13.24 | $13.81 | $12.45 | $13.73 | +1.85% | 1,407,447 |
| Oct 22, 2026 | $14.01 | $14.63 | $13.27 | $13.48 | -4.26% | 1,643,669 |
| Oct 21, 2026 | $13.73 | $14.65 | $13.42 | $14.08 | -0.91% | 3,317,471 |
| Oct 20, 2026 | $12.86 | $14.50 | $12.82 | $14.21 | +11.36% | 2,643,829 |
| Oct 19, 2026 | $12.94 | $13.48 | $12.69 | $12.76 | -1.16% | 1,425,143 |
| Oct 16, 2026 | $13.77 | $14.02 | $12.79 | $12.91 | -7.19% | 1,788,435 |
| Oct 15, 2026 | $13.86 | $14.16 | $13.65 | $13.91 | +0.29% | 2,000,135 |
| Oct 14, 2026 | $13.90 | $14.65 | $13.64 | $13.87 | -1.63% | 2,145,922 |
| Oct 13, 2026 | $13.40 | $14.61 | $13.33 | $14.10 | +6.42% | 3,053,267 |
| Oct 12, 2026 | $13.44 | $13.50 | $13.04 | $13.25 | -1.27% | 2,615,566 |
| Oct 9, 2026 | $12.52 | $13.63 | $12.21 | $13.42 | +8.14% | 3,576,905 |
| Oct 8, 2026 | $12.26 | $12.59 | $11.72 | $12.41 | +0.81% | 2,517,416 |
| Oct 7, 2026 | $12.34 | $12.41 | $11.83 | $12.31 | -2.07% | 2,456,574 |
| Oct 6, 2026 | $12.26 | $13.09 | $12.15 | $12.57 | +3.54% | 3,218,734 |
| Oct 5, 2026 | $10.86 | $12.51 | $10.52 | $12.14 | +12.72% | 2,693,172 |
| Oct 2, 2026 | $10.67 | $11.18 | $10.46 | $10.77 | +3.76% | 2,417,486 |
| Oct 1, 2026 | $10.55 | $10.64 | $9.93 | $10.38 | -1.52% | 2,768,533 |
| Sep 30, 2026 | $10.64 | $10.64 | $10.34 | $10.54 | -0.52% | 1,376,265 |
| Sep 29, 2026 | $10.89 | $10.95 | $10.50 | $10.60 | -2.17% | 895,466 |
| Sep 28, 2026 | $10.94 | $11.10 | $10.68 | $10.83 | -1.01% | 760,160 |
| Sep 25, 2026 | $10.69 | $10.95 | $10.42 | $10.94 | +2.34% | 1,379,771 |
| Sep 24, 2026 | $10.35 | $10.93 | $10.35 | $10.69 | +3.38% | 1,440,023 |
| Sep 23, 2026 | $10.92 | $11.10 | $10.32 | $10.34 | -5.48% | 1,114,677 |
| Sep 22, 2026 | $10.86 | $11.15 | $10.80 | $10.94 | +0.74% | 1,154,308 |
| Sep 21, 2026 | $10.78 | $10.97 | $10.40 | $10.86 | +2.26% | 1,069,561 |
| Sep 18, 2026 | $11.00 | $11.09 | $10.36 | $10.62 | -4.24% | 2,978,699 |
| Sep 17, 2026 | $11.08 | $11.33 | $10.85 | $11.09 | +2.97% | 1,388,217 |
| Sep 16, 2026 | $10.74 | $11.23 | $10.70 | $10.77 | +1.32% | 1,667,660 |
| Sep 15, 2026 | $10.90 | $11.27 | $10.59 | $10.63 | -4.41% | 3,116,971 |
| Sep 14, 2026 | $11.71 | $11.97 | $11.03 | $11.12 | -5.60% | 2,812,402 |
| Sep 11, 2026 | $12.35 | $12.45 | $11.77 | $11.78 | -3.05% | 1,067,986 |
| Sep 10, 2026 | $12.39 | $12.69 | $11.95 | $12.15 | -3.88% | 1,175,723 |
| Sep 9, 2026 | $13.11 | $13.24 | $12.61 | $12.64 | -5.53% | 867,150 |
| Sep 8, 2026 | $13.95 | $14.00 | $13.17 | $13.38 | -4.22% | 961,619 |
| Sep 4, 2026 | $13.92 | $14.30 | $13.51 | $13.97 | +0.29% | 890,257 |
| Sep 3, 2026 | $14.10 | $14.43 | $13.59 | $13.93 | -0.14% | 836,790 |
| Sep 2, 2026 | $13.67 | $14.28 | $13.67 | $13.95 | +1.45% | 834,462 |
| Sep 1, 2026 | $14.43 | $14.57 | $13.60 | $13.75 | -4.71% | 892,837 |
| Aug 31, 2026 | $14.60 | $14.63 | $14.22 | $14.43 | -2.10% | 948,545 |
| Aug 28, 2026 | $15.09 | $15.11 | $14.62 | $14.74 | -3.79% | 1,207,889 |
| Aug 27, 2026 | $14.92 | $15.50 | $14.92 | $15.32 | +2.75% | 816,144 |
| Aug 26, 2026 | $15.09 | $15.09 | $14.55 | $14.91 | -0.93% | 1,599,003 |
| Aug 25, 2026 | $14.49 | $15.16 | $14.28 | $15.05 | +3.86% | 987,350 |
| Aug 24, 2026 | $14.74 | $14.93 | $14.18 | $14.49 | -1.70% | 1,039,094 |
| Aug 21, 2026 | $14.96 | $15.50 | $14.11 | $14.74 | -0.74% | 2,022,153 |
| Aug 20, 2026 | $13.63 | $15.20 | $13.51 | $14.85 | +7.61% | 2,508,016 |
| Aug 19, 2026 | $13.70 | $14.33 | $13.66 | $13.80 | +2.76% | 1,315,285 |
| Aug 18, 2026 | $14.37 | $14.60 | $13.21 | $13.43 | -7.89% | 1,378,643 |
| Aug 17, 2026 | $14.07 | $14.70 | $14.07 | $14.58 | +1.96% | 1,236,150 |
| Aug 14, 2026 | $14.86 | $15.26 | $14.11 | $14.30 | -5.24% | 917,947 |
| Aug 13, 2026 | $14.83 | $15.52 | $14.34 | $15.09 | +1.75% | 1,446,395 |
| Aug 12, 2026 | $13.78 | $14.93 | $13.72 | $14.83 | +6.00% | 1,953,334 |
| Aug 11, 2026 | $13.59 | $14.24 | $13.28 | $13.99 | +1.75% | 1,495,558 |
| Aug 10, 2026 | $12.11 | $13.84 | $12.07 | $13.75 | +11.93% | 2,808,677 |
| Aug 7, 2026 | $12.67 | $13.22 | $11.41 | $12.29 | -24.72% | 4,890,329 |
| Aug 6, 2026 | $17.17 | $17.34 | $16.17 | $16.32 | -6.72% | 2,749,631 |
| Aug 5, 2026 | $17.38 | $17.75 | $17.13 | $17.50 | -0.48% | 1,212,516 |
| Aug 4, 2026 | $17.98 | $17.98 | $16.53 | $17.58 | -0.73% | 1,181,224 |
| Aug 3, 2026 | $17.04 | $18.04 | $16.64 | $17.71 | +5.61% | 1,381,947 |
| Jul 31, 2026 | $16.55 | $16.86 | $16.00 | $16.77 | +1.21% | 739,537 |
| Jul 30, 2026 | $16.50 | $16.79 | $16.13 | $16.57 | +0.42% | 1,216,768 |
| Jul 29, 2026 | $16.49 | $17.07 | $16.35 | $16.50 | -1.02% | 1,188,025 |
| Jul 28, 2026 | $16.50 | $17.51 | $16.50 | $16.67 | -0.95% | 989,723 |
| Jul 27, 2026 | $16.27 | $17.50 | $16.27 | $16.83 | +4.86% | 1,057,029 |
| Jul 24, 2026 | $16.77 | $16.96 | $16.00 | $16.05 | -3.20% | 913,043 |
| Jul 23, 2026 | $16.70 | $16.93 | $16.20 | $16.58 | -0.60% | 806,537 |
| Jul 22, 2026 | $16.54 | $16.98 | $16.02 | $16.68 | +1.52% | 1,257,035 |
| Jul 21, 2026 | $17.02 | $17.02 | $15.55 | $16.43 | -0.90% | 1,274,873 |
| Jul 20, 2026 | $17.30 | $17.38 | $16.56 | $16.58 | -4.60% | 728,919 |
| Jul 17, 2026 | $17.77 | $18.19 | $17.26 | $17.38 | -4.71% | 1,106,190 |
| Jul 16, 2026 | $18.37 | $19.03 | $17.84 | $18.24 | +0.05% | 1,136,877 |
| Jul 15, 2026 | $17.92 | $18.55 | $17.66 | $18.23 | +3.23% | 1,347,139 |
| Jul 14, 2026 | $17.88 | $17.88 | $17.19 | $17.66 | -1.29% | 784,679 |
| Jul 13, 2026 | $18.27 | $18.63 | $17.41 | $17.89 | -2.08% | 1,123,060 |
| Jul 10, 2026 | $17.50 | $18.57 | $17.17 | $18.27 | +4.76% | 1,278,522 |
| Jul 9, 2026 | $16.91 | $17.83 | $16.87 | $17.44 | +1.10% | 1,074,513 |
| Jul 8, 2026 | $16.78 | $17.33 | $15.49 | $17.25 | +1.47% | 1,756,442 |
| Jul 7, 2026 | $18.05 | $18.37 | $16.91 | $17.00 | -5.56% | 1,179,653 |
| Jul 6, 2026 | $18.69 | $18.77 | $17.87 | $18.00 | -1.37% | 1,059,913 |
| Jul 2, 2026 | $18.51 | $18.65 | $17.83 | $18.25 | +0.39% | 1,222,460 |
| Jul 1, 2026 | $17.76 | $19.17 | $17.60 | $18.18 | +3.80% | 1,536,538 |
| Jun 30, 2026 | $18.13 | $18.28 | $16.94 | $17.52 | -3.92% | 1,688,435 |
| Jun 29, 2026 | $17.00 | $19.80 | $16.73 | $18.23 | +32.20% | 6,604,079 |
| Jun 26, 2026 | $13.53 | $14.17 | $13.52 | $13.79 | +2.00% | 3,507,577 |
| Jun 25, 2026 | $12.50 | $13.77 | $12.49 | $13.52 | +10.73% | 1,458,409 |
| Jun 24, 2026 | $11.91 | $12.68 | $11.84 | $12.21 | +2.30% | 1,526,427 |
| Jun 23, 2026 | $12.16 | $12.55 | $11.93 | $11.94 | -3.52% | 1,141,689 |
| Jun 22, 2026 | $13.56 | $13.64 | $12.24 | $12.37 | -9.51% | 1,391,102 |
| Jun 18, 2026 | $13.33 | $13.73 | $13.13 | $13.67 | +4.11% | 2,150,325 |
| Jun 17, 2026 | $13.91 | $14.36 | $13.01 | $13.13 | -7.01% | 1,484,679 |
| Jun 16, 2026 | $14.75 | $14.99 | $14.09 | $14.12 | -3.09% | 911,104 |
| Jun 15, 2026 | $14.50 | $14.65 | $14.08 | $14.57 | +3.11% | 1,339,535 |
| Jun 12, 2026 | $14.20 | $14.52 | $13.84 | $14.13 | +0.28% | 1,216,995 |
| Jun 11, 2026 | $13.30 | $14.12 | $12.87 | $14.09 | +4.37% | 2,262,549 |
| Jun 10, 2026 | $13.55 | $14.12 | $13.39 | $13.50 | -3.16% | 2,773,155 |
| Jun 9, 2026 | $14.59 | $15.16 | $13.68 | $13.94 | -3.63% | 1,908,380 |
| Jun 8, 2026 | $14.34 | $14.76 | $13.98 | $14.47 | +0.94% | 1,363,399 |
| Jun 5, 2026 | $15.31 | $15.48 | $13.73 | $14.33 | -6.34% | 1,439,651 |
| Jun 4, 2026 | $14.10 | $15.76 | $13.87 | $15.30 | +12.50% | 2,149,056 |
| Jun 3, 2026 | $13.23 | $14.10 | $12.70 | $13.60 | +2.33% | 1,822,834 |
| Jun 2, 2026 | $12.95 | $13.31 | $12.48 | $13.29 | +0.15% | 1,463,712 |
| Jun 1, 2026 | $12.76 | $13.29 | $12.64 | $13.27 | +1.92% | 1,589,585 |
| May 29, 2026 | $13.15 | $13.28 | $12.86 | $13.02 | -0.38% | 1,410,978 |
| May 28, 2026 | $12.16 | $13.58 | $12.05 | $13.07 | +6.00% | 1,997,783 |
| May 27, 2026 | $12.00 | $12.53 | $11.82 | $12.33 | +2.84% | 1,644,372 |
| May 26, 2026 | $11.94 | $12.37 | $11.69 | $11.99 | +1.10% | 1,335,402 |
| May 22, 2026 | $12.40 | $12.74 | $11.84 | $11.86 | -4.28% | 1,280,011 |
| May 21, 2026 | $11.69 | $12.50 | $11.42 | $12.39 | +4.03% | 1,859,885 |
| May 20, 2026 | $11.40 | $12.04 | $11.13 | $11.91 | +4.66% | 1,978,851 |
| May 19, 2026 | $11.04 | $11.60 | $10.64 | $11.38 | +4.98% | 2,249,915 |
| May 18, 2026 | $10.38 | $10.89 | $10.34 | $10.84 | +5.04% | 2,312,362 |
| May 15, 2026 | $11.39 | $11.54 | $10.31 | $10.32 | -9.39% | 2,451,288 |
| May 14, 2026 | $11.16 | $11.67 | $10.98 | $11.39 | +3.08% | 2,316,098 |
| May 13, 2026 | $10.98 | $11.33 | $10.76 | $11.05 | -0.63% | 2,060,977 |
| May 12, 2026 | $10.06 | $11.33 | $10.05 | $11.12 | +11.65% | 3,052,868 |
| May 11, 2026 | $10.83 | $10.96 | $9.92 | $9.96 | -7.78% | 2,477,198 |
| May 8, 2026 | $10.67 | $11.27 | $10.43 | $10.80 | +0.28% | 2,148,331 |
| May 7, 2026 | $10.81 | $11.53 | $10.50 | $10.77 | -1.73% | 2,792,259 |
| May 6, 2026 | $11.16 | $11.46 | $10.21 | $10.96 | -6.00% | 5,473,160 |
| May 5, 2026 | $12.44 | $12.80 | $11.58 | $11.66 | -6.12% | 3,186,966 |
| May 4, 2026 | $12.56 | $12.85 | $11.86 | $12.42 | -1.74% | 1,783,431 |
| May 1, 2026 | $12.50 | $12.65 | $12.21 | $12.64 | +2.76% | 1,415,180 |
| Apr 30, 2026 | $11.50 | $12.41 | $11.43 | $12.30 | +7.05% | 1,841,052 |
| Apr 29, 2026 | $11.92 | $12.10 | $11.19 | $11.49 | -4.41% | 2,129,626 |
| Apr 28, 2026 | $12.24 | $12.37 | $11.74 | $12.02 | -2.20% | 2,466,471 |
| Apr 27, 2026 | $11.50 | $12.49 | $11.50 | $12.29 | +6.04% | 2,328,443 |
| Apr 24, 2026 | $11.23 | $11.65 | $11.19 | $11.59 | +3.11% | 1,743,399 |
| Apr 23, 2026 | $11.75 | $11.99 | $10.86 | $11.24 | -5.55% | 2,207,186 |
| Apr 22, 2026 | $12.16 | $12.26 | $11.82 | $11.90 | -1.16% | 2,198,024 |
| Apr 21, 2026 | $12.89 | $13.49 | $11.71 | $12.04 | -6.59% | 2,374,435 |
| Apr 20, 2026 | $12.69 | $13.36 | $12.42 | $12.89 | +1.42% | 3,707,741 |
| Apr 17, 2026 | $12.98 | $13.02 | $12.15 | $12.71 | +0.20% | 4,825,111 |
| Apr 16, 2026 | $13.78 | $14.00 | $11.61 | $12.69 | -27.47% | 14,130,300 |
| Apr 15, 2026 | $17.52 | $18.00 | $17.26 | $17.49 | +0.98% | 1,827,154 |
| Apr 14, 2026 | $16.26 | $17.43 | $16.26 | $17.32 | +7.71% | 1,689,978 |
| Apr 13, 2026 | $13.70 | $16.20 | $13.70 | $16.08 | +16.10% | 2,112,989 |
| Apr 10, 2026 | $14.08 | $14.31 | $13.84 | $13.85 | -2.12% | 2,498,504 |
| Apr 9, 2026 | $15.09 | $15.09 | $13.99 | $14.15 | -7.64% | 1,989,754 |
| Apr 8, 2026 | $16.21 | $16.58 | $15.31 | $15.32 | +2.27% | 1,404,706 |
| Apr 7, 2026 | $15.85 | $15.97 | $14.89 | $14.98 | -5.67% | 1,785,902 |
| Apr 6, 2026 | $17.15 | $17.35 | $15.71 | $15.88 | -7.94% | 1,654,897 |
| Apr 2, 2026 | $15.95 | $17.55 | $15.55 | $17.25 | +4.04% | 1,180,176 |
| Apr 1, 2026 | $16.72 | $17.44 | $16.47 | $16.58 | +0.91% | 2,470,515 |
| Mar 31, 2026 | $15.73 | $16.61 | $15.56 | $16.43 | +7.67% | 2,100,956 |
| Mar 30, 2026 | $14.89 | $15.46 | $14.80 | $15.26 | +3.25% | 2,557,699 |
| Mar 27, 2026 | $15.35 | $15.78 | $14.45 | $14.78 | -5.26% | 2,166,237 |
| Mar 26, 2026 | $15.75 | $16.29 | $15.51 | $15.60 | -2.56% | 1,612,088 |
| Mar 25, 2026 | $16.56 | $16.81 | $15.49 | $16.01 | -0.99% | 2,005,469 |
| Mar 24, 2026 | $16.19 | $17.20 | $16.12 | $16.17 | -2.30% | 1,797,654 |
| Mar 23, 2026 | $16.08 | $17.10 | $15.32 | $16.55 | +8.60% | 2,550,766 |
| Mar 20, 2026 | $16.54 | $16.63 | $15.08 | $15.24 | -8.03% | 3,485,794 |
| Mar 19, 2026 | $16.71 | $16.86 | $16.16 | $16.57 | -2.70% | 2,312,760 |
| Mar 18, 2026 | $18.61 | $18.70 | $17.03 | $17.03 | -10.93% | 2,742,042 |
| Mar 17, 2026 | $17.86 | $19.72 | $17.78 | $19.12 | +8.33% | 1,478,152 |
| Mar 16, 2026 | $17.35 | $17.85 | $17.16 | $17.65 | +3.22% | 1,365,275 |
| Mar 13, 2026 | $18.09 | $18.63 | $17.08 | $17.10 | -4.58% | 1,596,939 |
| Mar 12, 2026 | $17.70 | $18.24 | $17.37 | $17.92 | -0.55% | 1,890,463 |
| Mar 11, 2026 | $19.01 | $19.16 | $17.90 | $18.02 | -6.63% | 1,358,473 |
| Mar 10, 2026 | $20.06 | $20.13 | $18.92 | $19.30 | -2.82% | 1,196,417 |
| Mar 9, 2026 | $20.06 | $20.24 | $19.24 | $19.86 | -4.66% | 1,605,301 |
| Mar 6, 2026 | $20.85 | $20.90 | $19.97 | $20.83 | -2.71% | 1,177,632 |
| Mar 5, 2026 | $20.70 | $21.93 | $20.65 | $21.41 | +1.04% | 1,096,612 |
| Mar 4, 2026 | $21.52 | $21.80 | $20.92 | $21.19 | -1.35% | 572,717 |
| Mar 3, 2026 | $21.72 | $21.96 | $20.59 | $21.48 | -4.96% | 989,845 |
| Mar 2, 2026 | $22.09 | $22.69 | $21.61 | $22.60 | -0.62% | 858,753 |
| Feb 27, 2026 | $22.29 | $22.76 | $21.99 | $22.74 | +0.18% | 1,089,123 |
| Feb 26, 2026 | $23.33 | $23.58 | $22.03 | $22.70 | -2.70% | 1,218,313 |
| Feb 25, 2026 | $22.17 | $24.26 | $21.96 | $23.33 | +6.38% | 1,269,337 |
| Feb 24, 2026 | $21.10 | $22.15 | $20.85 | $21.93 | +3.49% | 1,168,492 |
| Feb 23, 2026 | $22.40 | $22.47 | $21.14 | $21.19 | -5.74% | 1,144,719 |
| Feb 20, 2026 | $23.40 | $23.68 | $21.99 | $22.48 | -4.79% | 1,654,110 |
| Feb 19, 2026 | $24.40 | $24.60 | $23.40 | $23.61 | -2.28% | 1,041,920 |
| Feb 18, 2026 | $23.15 | $24.75 | $23.15 | $24.16 | +4.45% | 1,080,580 |
| Feb 17, 2026 | $23.87 | $24.05 | $22.70 | $23.13 | -1.91% | 1,984,093 |
| Feb 13, 2026 | $23.42 | $24.74 | $22.73 | $23.58 | -0.65% | 2,506,275 |
| Feb 12, 2026 | $26.68 | $27.04 | $21.65 | $23.74 | -17.59% | 4,258,935 |
| Feb 11, 2026 | $29.04 | $29.40 | $27.49 | $28.80 | -1.40% | 1,204,365 |
| Feb 10, 2026 | $29.56 | $30.50 | $29.11 | $29.21 | -0.17% | 970,470 |
| Feb 9, 2026 | $29.21 | $29.53 | $27.75 | $29.26 | +0.55% | 716,688 |
| Feb 6, 2026 | $28.95 | $29.46 | $28.38 | $29.10 | +1.43% | 788,236 |
| Feb 5, 2026 | $28.99 | $29.97 | $28.42 | $28.69 | -2.12% | 1,187,106 |
| Feb 4, 2026 | $28.39 | $29.73 | $28.39 | $29.31 | +4.75% | 923,792 |
| Feb 3, 2026 | $27.58 | $29.19 | $27.35 | $27.98 | +1.19% | 868,684 |
| Feb 2, 2026 | $27.15 | $27.93 | $26.50 | $27.65 | +1.77% | 780,557 |
| Jan 30, 2026 | $27.02 | $27.39 | $26.72 | $27.17 | -0.88% | 742,480 |
| Jan 29, 2026 | $26.60 | $27.50 | $26.05 | $27.41 | +2.31% | 888,953 |
| Jan 28, 2026 | $26.99 | $27.51 | $25.81 | $26.79 | -1.80% | 939,216 |
| Jan 27, 2026 | $28.25 | $28.47 | $27.13 | $27.28 | -4.88% | 883,947 |
| Jan 26, 2026 | $27.89 | $28.88 | $27.57 | $28.68 | +2.10% | 765,609 |
| Jan 23, 2026 | $30.13 | $30.25 | $27.99 | $28.09 | -8.08% | 1,260,950 |
| Jan 22, 2026 | $30.17 | $31.43 | $29.83 | $30.56 | +3.87% | 1,573,150 |
| Jan 21, 2026 | $32.20 | $32.72 | $27.19 | $29.42 | -10.11% | 2,569,397 |
| Jan 20, 2026 | $32.04 | $33.44 | $32.04 | $32.73 | -1.42% | 877,452 |
| Jan 16, 2026 | $35.47 | $35.58 | $31.87 | $33.20 | -6.16% | 1,257,689 |
| Jan 15, 2026 | $34.32 | $35.56 | $33.28 | $35.38 | +3.03% | 719,728 |
| Jan 14, 2026 | $33.14 | $34.43 | $32.95 | $34.34 | +3.12% | 716,716 |
| Jan 13, 2026 | $33.17 | $33.91 | $32.65 | $33.30 | -0.18% | 783,008 |
| Jan 12, 2026 | $33.73 | $33.98 | $32.09 | $33.36 | -0.85% | 978,153 |
| Jan 9, 2026 | $33.61 | $34.45 | $33.45 | $33.65 | +0.40% | 1,196,408 |
| Jan 8, 2026 | $32.88 | $33.80 | $32.50 | $33.51 | +0.42% | 886,306 |
| Jan 7, 2026 | $32.44 | $33.53 | $31.83 | $33.37 | +2.68% | 1,333,814 |
| Jan 6, 2026 | $29.98 | $32.77 | $29.68 | $32.50 | +8.12% | 1,419,952 |
| Jan 5, 2026 | $28.61 | $30.25 | $28.61 | $30.06 | +4.45% | 807,911 |
| Jan 2, 2026 | $28.86 | $29.13 | $27.93 | $28.78 | +0.77% | 530,087 |
| Dec 31, 2025 | $29.27 | $29.35 | $28.43 | $28.56 | -2.53% | 437,034 |
| Dec 30, 2025 | $29.23 | $29.47 | $29.01 | $29.30 | 0.00% | 398,867 |
| Dec 29, 2025 | $29.40 | $29.62 | $28.89 | $29.30 | 0.00% | 498,053 |
| Dec 26, 2025 | $28.69 | $29.47 | $28.39 | $29.30 | +1.35% | 481,689 |
| Dec 24, 2025 | $28.62 | $29.13 | $28.45 | $28.91 | +1.12% | 388,910 |
| Dec 23, 2025 | $29.69 | $29.69 | $28.35 | $28.59 | -4.09% | 670,349 |
| Dec 22, 2025 | $28.77 | $29.94 | $28.72 | $29.81 | +2.97% | 760,836 |
| Dec 19, 2025 | $28.28 | $29.38 | $28.16 | $28.95 | +2.22% | 1,279,841 |
| Dec 18, 2025 | $29.82 | $30.00 | $28.16 | $28.32 | -3.64% | 990,119 |
| Dec 17, 2025 | $28.80 | $29.51 | $28.69 | $29.39 | +1.77% | 789,967 |
| Dec 16, 2025 | $29.05 | $29.39 | $28.34 | $28.88 | -0.62% | 908,515 |
| Dec 15, 2025 | $28.99 | $29.42 | $28.22 | $29.06 | +0.90% | 1,077,916 |
| Dec 12, 2025 | $29.73 | $29.92 | $28.61 | $28.80 | -2.90% | 603,312 |
| Dec 11, 2025 | $28.92 | $30.40 | $28.78 | $29.66 | +3.00% | 1,344,477 |
| Dec 10, 2025 | $27.44 | $29.04 | $27.38 | $28.80 | +4.94% | 1,427,833 |
| Dec 9, 2025 | $27.15 | $27.76 | $26.84 | $27.44 | +1.03% | 868,949 |
| Dec 8, 2025 | $28.00 | $28.28 | $27.13 | $27.16 | -2.16% | 824,069 |
| Dec 5, 2025 | $28.09 | $28.30 | $27.51 | $27.76 | -0.22% | 705,720 |
| Dec 4, 2025 | $27.53 | $27.99 | $26.52 | $27.82 | +1.05% | 788,046 |
| Dec 3, 2025 | $26.53 | $27.82 | $26.53 | $27.53 | +3.77% | 1,146,621 |
| Dec 2, 2025 | $26.71 | $26.89 | $26.31 | $26.53 | +0.19% | 879,799 |
| Dec 1, 2025 | $26.98 | $27.35 | $26.25 | $26.48 | -3.18% | 746,964 |
| Nov 28, 2025 | $27.42 | $27.56 | $27.03 | $27.35 | -0.55% | 389,612 |
| Nov 26, 2025 | $27.68 | $28.32 | $27.48 | $27.50 | -2.26% | 1,404,104 |
| Nov 25, 2025 | $27.16 | $28.37 | $26.90 | $28.14 | +5.85% | 1,666,551 |
| Nov 24, 2025 | $24.53 | $26.69 | $24.10 | $26.58 | +9.16% | 1,924,676 |
| Nov 21, 2025 | $22.43 | $24.63 | $22.02 | $24.35 | +14.27% | 1,885,846 |
| Nov 20, 2025 | $21.29 | $22.07 | $20.94 | $21.31 | +1.52% | 962,331 |
| Nov 19, 2025 | $21.38 | $21.78 | $20.88 | $20.99 | -1.36% | 997,040 |
| Nov 18, 2025 | $20.89 | $21.60 | $20.31 | $21.28 | +0.85% | 1,352,144 |
| Nov 17, 2025 | $21.20 | $21.42 | $20.62 | $21.10 | -1.12% | 1,081,459 |
| Nov 14, 2025 | $21.37 | $21.47 | $20.42 | $21.34 | -3.79% | 1,717,669 |
| Nov 13, 2025 | $22.17 | $22.82 | $21.94 | $22.18 | -1.81% | 1,226,661 |
| Nov 12, 2025 | $21.89 | $23.25 | $21.67 | $22.59 | +3.20% | 2,428,201 |
| Nov 11, 2025 | $19.68 | $22.15 | $19.50 | $21.89 | +10.95% | 3,119,681 |
| Nov 10, 2025 | $20.36 | $21.03 | $19.58 | $19.73 | -3.05% | 2,385,180 |
| Nov 7, 2025 | $21.01 | $21.57 | $20.10 | $20.35 | -4.28% | 3,301,351 |
| Nov 6, 2025 | $26.48 | $27.31 | $21.16 | $21.26 | -22.32% | 5,441,545 |
| Nov 5, 2025 | $27.29 | $28.01 | $26.55 | $27.37 | +0.88% | 1,862,097 |
| Nov 4, 2025 | $27.34 | $27.98 | $26.79 | $27.13 | -2.09% | 1,289,928 |
| Nov 3, 2025 | $27.00 | $27.92 | $26.37 | $27.71 | +2.67% | 1,547,934 |
| Oct 31, 2025 | $26.65 | $27.30 | $26.17 | $26.99 | +0.67% | 1,191,517 |
| Oct 30, 2025 | $27.65 | $28.10 | $26.71 | $26.81 | -4.04% | 1,205,228 |
| Oct 29, 2025 | $28.15 | $28.63 | $27.39 | $27.94 | -0.89% | 998,773 |
| Oct 28, 2025 | $28.91 | $29.27 | $28.08 | $28.19 | -4.38% | 1,112,722 |
| Oct 27, 2025 | $30.51 | $30.79 | $29.28 | $29.48 | -3.38% | 953,328 |
| Oct 24, 2025 | $30.26 | $30.84 | $29.88 | $30.51 | +2.38% | 1,003,445 |
| Oct 23, 2025 | $29.80 | $30.85 | $29.57 | $29.80 | 0.00% | 1,112,982 |
| Oct 22, 2025 | $29.98 | $30.24 | $29.24 | $29.80 | -0.10% | 1,111,418 |
| Oct 21, 2025 | $29.03 | $29.91 | $28.80 | $29.83 | +2.86% | 1,073,040 |
| Oct 20, 2025 | $28.58 | $29.82 | $28.36 | $29.00 | – | 1,079,591 |
Seasonality
QDEL return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | 1.7% | -6.9% | 0.5% | -3.3% | 5.3% | 6.2% | 6.0% | -2.7% | 0.4% | 1.1% | 1.2% | 0.6% |
| Months up | 4 of 10 | 5 of 10 | 6 of 10 | 4 of 10 | 7 of 10 | 7 of 10 | 7 of 10 | 5 of 10 | 5 of 10 | 3 of 10 | 5 of 9 | 5 of 9 |
| 2026 | -4.9% | -16.3% | -27.7% | -25.1% | 5.9% | 34.5% | -4.3% | -14.0% | -27.0% | 25.7% | ||
| 2025 | -2.4% | -8.0% | -12.6% | -20.5% | 10.4% | -6.0% | -20.1% | 24.6% | 2.6% | -8.4% | 1.3% | 4.4% |
| 2024 | -7.0% | -33.4% | 5.1% | -15.4% | 9.0% | -24.8% | 18.3% | 7.5% | 7.9% | -16.6% | 7.8% | 8.7% |
| 2023 | -0.1% | 1.6% | 2.5% | 1.0% | -5.3% | -2.7% | 5.4% | -5.7% | -11.3% | -16.4% | 12.5% | 7.2% |
| 2022 | -23.4% | 2.4% | 6.3% | -10.5% | -5.6% | 2.3% | 5.0% | -22.3% | -9.8% | 25.7% | -2.5% | -2.2% |
| 2021 | 39.7% | -34.5% | -22.1% | -18.1% | 12.7% | 8.5% | 10.4% | -8.8% | 9.5% | -5.9% | 11.1% | -8.5% |
| 2020 | 2.4% | 0.6% | 26.6% | 42.1% | 25.9% | 27.9% | 26.2% | -37.7% | 24.7% | 22.3% | -27.3% | -7.9% |
| 2019 | 18.9% | 13.0% | -0.1% | -2.3% | -13.5% | 7.3% | -0.5% | 6.8% | -2.7% | -7.3% | 20.6% | 9.3% |
| 2018 | 5.6% | -4.7% | 18.8% | 9.4% | 10.6% | 6.1% | 2.0% | 13.3% | -15.2% | -1.2% | -5.5% | -19.7% |
| 2017 | -11.4% | 10.6% | 7.8% | 6.8% | 2.7% | 9.3% | 17.9% | 9.2% | 25.5% | -6.6% | -7.2% | 14.1% |