QDEL NASDAQ Week ended 31 Jul 2026

Weekly Investor Report

Quidel Corporation · Healthcare · Medical Devices

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Latest close 16.77 USD
4.5% latest week
Weekly setup

Weak trend

The weekly trend is not active. Price is -7.6% below the Trend Line and sits at 26.7% of its 52-week range. The latest completed week returned 4.5%, after a -8.1% four-week move. The latest factor snapshot indicates quality ranks weakly versus its universe; growth ranks weakly; valuation is neither clearly cheap nor expensive. Options positioning is volatility with 47/100 conviction, while the latest news-sentiment score is 52/100. Near-term considerations: volume confirmation is below normal; earnings are due in 3d.

Setup score 31 out of 100
Latest Close 16.77 USD 31 Jul 2026
1W Return 4.5% latest completed week
4W Return -8.1% short-term follow-through
12W Return 55.3% quarterly tape
Trend Breadth 9.6% 5 of 52 weeks active
Volume Ratio 0.6x vs 13-week average
What is working
  • Activity pressure is positive on the latest completed week.
What could go wrong
  • The trend backdrop is inactive, so price action has not confirmed a constructive regime.
  • Price is below the Trend Line, which keeps downside pressure in focus.
  • Price is below Fair Value, so the market is still discounting the latest tape.
  • Activity pressure is weak, so confirmation is not yet broad enough.
What to watch next
  • Trend Line remains the key weekly regime level.
  • Activity pressure is the gauge to monitor for confirmation or fade.
  • A volume ratio above 1.5x would show stronger participation in the next move.
Price follow-through 4.5% Latest completed week; four-week move -8.1%. Indicator stack 5/64 Trend and activity pressure are weighted against the latest 12-week confirmation window. Trend backdrop Active The trend backdrop defines the current weekly regime. Patient Capital Quiet Activity-pressure buy-signal status for institutional accumulation timing. Options pressure Volatility 47/100 conviction; expected move 20.8%. News sentiment 52/100 25 relevant articles in the latest sentiment read. Event risk 3d Next report is scheduled for 04 Aug 2026; event risk rises as the date approaches.
01 · Price action

Where price is—and whether the trend supports it

The weekly trend is not active. Price is -7.6% below the Trend Line and sits at 26.7% of its 52-week range. The latest completed week returned 4.5%, after a -8.1% four-week move.

Study the full chart

52-week price path

Price vs Trend Line and Fair Value
Price Trend Line Fair Value
02 · Volume and demand

Is real participation confirming the move?

Latest weekly volume is 0.6x the 13-week average. Participation is below its recent norm, so price strength is not receiving full volume confirmation.

26-week volume confirmation

Bar height shows volume; colour shows the weekly price direction
6 Feb 13 Feb 20 Feb 27 Feb 6 Mar 13 Mar 20 Mar 27 Mar 3 Apr 10 Apr 17 Apr 24 Apr 1 May 8 May 15 May 22 May 29 May 5 Jun 12 Jun 19 Jun 26 Jun 3 Jul 10 Jul 17 Jul 24 Jul 31 Jul
Up week Down week
Demand beneath price

Activity pressure and institutional-style signals

These indicators assess whether participation is improving beneath the headline price move. They are supporting evidence, not proof of institutional buying.

Activity pressure path

Latest 0.2112-week average 0.07

12-week confirmation

Trend active0/12Active trend-backdrop weeks in the latest 12-week window.
Positive pressure6/12Weeks with constructive activity pressure in the latest 12-week window.
Positive leadership0/12Weeks with positive relative leadership in the latest 12-week window.
Activity pressure0.21Current proprietary activity-pressure read.
Buy signals0Accumulation signal count in the latest 12 weeks.
Reversal markers0No reversal markers

No recent accumulation markers. No reversal markers.

03 · Momentum and leadership

Is performance persistent—and is the stock leading?

Performance is -8.1% over four weeks, 55.3% over 12 weeks, and -26.5% over one year. The current trend has remained active for 0 consecutive weeks.

Performance by holding period

1W4.5%
4W-8.1%
12W55.3%
26W-38.3%
52W-26.5%
Active trend streak0 weeks
Active weeks in one year5
Trend breadth9.6%

Activity pressure vs relative leadership

Activity pressureRelative leadership
Pressure0.59Latest activity-pressure read.
Pressure change42.8%Four-week change in activity pressure.
Leadership-31.45Latest relative-leadership reading.
RS change-0.2%Four-week change in relative leadership.
04 · Fundamentals and valuation

What investors are paying for—and the quality behind it

The latest factor snapshot indicates quality ranks weakly versus its universe; growth ranks weakly; valuation is neither clearly cheap nor expensive.

Open full factor analysis
Factor week 26 Jul 2026 Financial statements through 31 Mar 2026 Field coverage 82% Model confidence 78%

Relative factor standing

Higher display scores are better. Each score is converted from the underlying universe rank, where rank 1 is best.

Overall factor strength26/100Blend of value, momentum, and quality. Underlying universe rank 75; rank 1 is best.
Value66/100Relative valuation strength. Underlying universe rank 35; rank 1 is best.
Quality17/100Profitability and accounting quality. Underlying universe rank 84; rank 1 is best.
Momentum7/100Medium-term price momentum. Underlying universe rank 94; rank 1 is best.
Growth21/100Revenue and earnings growth. Underlying universe rank 80; rank 1 is best.
How to read this

Quality and valuation are separate questions

A strong company can still carry a demanding valuation. This report shows profitability, growth, balance-sheet strength, and the price paid for those characteristics separately.

Valuation

How much investors are paying for earnings, sales, and cash flow.

P/E
-
Price divided by trailing earnings.
Price / sales
0.4x
Market value relative to trailing revenue.
EV / EBITDA
-
Enterprise value relative to operating cash earnings.
Free-cash-flow yield
3.0%
Free cash flow as a share of enterprise value.

Business quality

Margins and the return generated on invested capital.

Gross margin
45.0%
Gross profit retained from each unit of revenue.
Operating margin
-37.5%
Operating profit retained from revenue.
Free-cash-flow margin
4.3%
Free cash flow generated from revenue.
Return on invested capital
-16.3%
Operating return generated on invested capital.

Growth and financial strength

Recent business growth and accounting strength.

Revenue growth
-3.9%
Latest one-year revenue growth.
EPS growth
-
Latest one-year earnings-per-share growth.
Free-cash-flow growth
-60.5%
Latest one-year free-cash-flow growth.
Piotroski F-score
6/9
Nine-point accounting-strength checklist.

Shareholder return and balance sheet

Cash returned to owners and financial leverage.

Dividend yield
-
Cash dividends relative to market value.
Buyback yield
-0.4%
Net share repurchases relative to market value.
Shareholder yield
-0.4%
Dividend yield plus net buyback yield.
Net debt / EBITDA
-5.0x
Balance-sheet debt relative to operating cash earnings.
05 · Ownership, options, and sentiment

What other market participants are doing

Options, insider transactions, market sentiment, and activity-pressure signals can confirm or challenge the price story. None should be used alone.

Options positioningVolatility

QDEL shows volatility options pressure with a 47/100 conviction score, put-call volume ratio of 0.00, expected move of 20.8%, and Sharemaestro trend signal inactive.

Conviction47/100
Expected move20.8%
Put/call volume0.00
Pressure88
Speculation1
Volatility96
Trend agreement0
Open options detail
Insider activity18 / 2

18 acquisitions and 2 disposals in the latest 180-day insider tape.

Acquisitions / disposals over the latest 180 days. Insider activity is context, not a stand-alone signal.
News sentiment52/100

Weighted news tone is neutral across 25 relevant articles.

2 positive · 22 neutral · 1 negative
Patient CapitalQuiet

Activity-pressure buy-signal evidence highlights potential institutional accumulation windows.

No recent buy signal
06 · Catalysts and risk

What can move the shares—and how volatile the path has been

Event timing, options-implied movement, drawdown, and weekly return distribution frame the risk around the current setup.

Next earnings3dNext report is scheduled for 04 Aug 2026; event risk rises as the date approaches.
Options expected move20.8%Nearest-chain priced movement where available.
52-week drawdown-52.9%Distance below the 52-week high.
13-week volatility11.5%Standard deviation of weekly returns.

Weekly gains and losses

Latest 26 completed weeks

Each bar is one week. Gains rise above the zero line; losses fall below it. Taller bars mean a larger weekly move.

Weeks higher11 of 2615 weeks finished lower.
Best week+32.3%Week of 3 Jul.
Worst week-19.7%Week of 10 Apr.
Latest week+4.5%Week of 31 Jul.

Shape of recent returns

Strong gains8
Modest gains3
Flat weeks0
Modest losses3
Sharp losses12
Recent vol11.5%13-week weekly-return volatility.
Base vol10.6%52-week weekly-return volatility.
Up/down split27/25Count of positive and negative weeks in the 52-week window.
Average skew7.7% / -8.3%Average positive week versus average negative week.
07 · Sector and peer context

Is this stock leading—or simply moving with its group?

Sector and industry breadth distinguish company-specific strength from a broad group move.

08 · Evidence and weekly data

The underlying research record

Every top-level statement above should be traceable to a stored market, fundamental, event, or positioning observation.

Weekly tape24/100

Trend, activity pressure, participation, and risk combine to a 24/100 tape read.

 Indicator analysis23/100

Latest 12-week confirmation: trend 0/12, activity pressure 6/12, relative leadership 0/12.

Activity pressure 0.21; No reversal markers Factors28/100

O'Shaughnessy factor stack blends value, quality, momentum, and confidence.

Buyback Yield rank 75; Small Cap Core rank 65 Patient CapitalQuiet

Activity-pressure buy-signal evidence highlights potential institutional accumulation windows.

No recent buy signal Options34/100

QDEL shows volatility options pressure with a 47/100 conviction score, put-call volume ratio of 0.00, expected move of 20.8%, and Sharemaestro trend signal inactive.

Volatility · Volatility expansion watch · Expected move 20.8% Sentiment52/100

Weighted news tone is neutral across 25 relevant articles.

QuidelOrtho Corporation Revenue Breakdown – NASDAQ:QDEL Insiders18 / 2

18 acquisitions and 2 disposals in the latest 180-day insider tape.

 Earnings3d

Next report is scheduled for 04 Aug 2026; event risk rises as the date approaches.
WeekCloseReturnTrend LineFair ValuePressureLeadershipVolumeTrend
31 Jul 202616.77 USD4.5%18.15 USD38.62 USD0.59-31.455.2MOff
24 Jul 202616.05 USD-7.7%18.55 USD39.05 USD0.66-34.635.0MOff
17 Jul 202617.38 USD-4.9%19.00 USD39.50 USD0.64-31.275.5MOff
10 Jul 202618.27 USD0.1%19.38 USD39.95 USD0.52-31.506.3MOff
3 Jul 202618.25 USD32.3%19.73 USD40.38 USD0.41-31.4011.1MOff
26 Jun 202613.79 USD0.9%20.05 USD40.80 USD0.18-48.499.0MOff
19 Jun 202613.67 USD-3.3%20.50 USD41.24 USD-0.09-52.045.9MOff
12 Jun 202614.13 USD-1.4%20.86 USD41.70 USD-0.41-49.989.5MOff
5 Jun 202614.33 USD10.1%21.10 USD42.17 USD-0.79-48.998.5MOff
29 May 202613.02 USD9.8%21.30 USD42.62 USD-1.01-56.496.4MOff
22 May 202611.86 USD14.9%21.76 USD43.09 USD-1.13-60.019.7MOff
15 May 202610.32 USD-4.4%22.39 USD43.56 USD-1.16-65.4512.4MOff
8 May 202610.80 USD-14.6%22.98 USD44.05 USD-1.05-64.7715.4MOff
1 May 202612.64 USD9.1%23.50 USD44.54 USD-1.03-57.6210.2MOff
How to use this report

This is a completed-week research summary. It explains the available evidence and its conflicts; it does not predict a guaranteed outcome or replace your own risk assessment. Fundamental figures may refer to an earlier financial reporting period, which is shown above.