- The trend backdrop is active with a 22-week active streak.
- Price is above the Trend Line, keeping the weekly tape constructive.
- Price is above Fair Value, showing premium demand versus the model.
- Activity pressure is positive on the latest completed week.
VAIAS
HEL
Week ended 07 Aug 2026
Weekly Investor Report
Vaisala Oyj · Technology · Scientific & Technical Instruments
Latest close
56.60 EUR
2.9%
latest week
Weekly setup
Constructive, but selective
The weekly trend is active. Price is 14.1% above the Trend Line and sits at 93.8% of its 52-week range. The latest completed week returned 2.9%, after a 6.0% four-week move. The latest news-sentiment score is 54/100. Near-term considerations: price is close to its 52-week high.
Setup score
67
out of 100
Latest Close
56.60 EUR
7 Aug 2026
1W Return
2.9%
latest completed week
4W Return
6.0%
short-term follow-through
12W Return
10.8%
quarterly tape
Trend Breadth
42.3%
22 of 52 weeks active
Volume Ratio
1.1x
vs 13-week average
- 2 reversal markers appear in the recent smart-money tape.
- Price is close to its 52-week high; watch for continuation or exhaustion.
- 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
2.9%
Latest completed week; four-week move 6.0%.
Indicator stack
68/54
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.
News sentiment
54/100
6 relevant articles in the latest sentiment read.
01 · Price action
Study the full chart
Where price is—and whether the trend supports it
The weekly trend is active. Price is 14.1% above the Trend Line and sits at 93.8% of its 52-week range. The latest completed week returned 2.9%, after a 6.0% four-week move.
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 1.1x the 13-week average. Participation is around or above normal and provides reasonable confirmation.
26-week volume confirmation
Bar height shows volume; colour shows the weekly price direction
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
7 Aug
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 0.9812-week average 0.96
12-week confirmation
Trend active12/12Active trend-backdrop weeks in the latest 12-week window.
Positive pressure12/12Weeks with constructive activity pressure in the latest 12-week window.
Positive leadership10/12Weeks with positive relative leadership in the latest 12-week window.
Activity pressure0.98Current proprietary activity-pressure read.
Buy signals0Accumulation signal count in the latest 12 weeks.
Reversal markers22 reversal markers
No recent accumulation markers. 2 reversal markers.
03 · Momentum and leadership
Is performance persistent—and is the stock leading?
Performance is 6.0% over four weeks, 10.8% over 12 weeks, and 22.4% over one year. The current trend has remained active for 22 consecutive weeks.
Performance by holding period
Active trend streak22 weeks
Active weeks in one year22
Trend breadth42.3%
Activity pressure vs relative leadership
Activity pressureRelative leadership
Pressure0.51Latest activity-pressure read.
Pressure change-65.4%Four-week change in activity pressure.
Leadership11.47Latest relative-leadership reading.
RS change111.5%Four-week change in relative leadership.
04 · Fundamentals and valuation
Open full factor analysis
What investors are paying for—and the quality behind it
A published fundamentals and factor snapshot is not available for this company.
No published fundamental snapshot is available for this company.
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.
Insider activity-
No recent insider transactions are stored for this company.
News sentiment54/100
Weighted news tone is neutral across 6 relevant articles.
1 positive · 5 neutral · 0 negativePatient 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 earnings-No event is currently stored.
Options expected move-Nearest-chain priced movement where available.
52-week drawdown-1.9%Distance below the 52-week high.
13-week volatility2.8%Standard deviation of weekly returns.
Weekly gains and losses
Latest 26 completed weeksEach bar is one week. Gains rise above the zero line; losses fall below it. Taller bars mean a larger weekly move.
13 Feb
13 Mar
10 Apr
8 May
5 Jun
3 Jul
7 Aug
Weeks higher17 of 268 weeks finished lower.
Best week+6.0%Week of 17 Apr.
Worst week-5.5%Week of 10 Jul.
Latest week+2.9%Week of 7 Aug.
Shape of recent returns
Strong gains6
Modest gains11
Flat weeks1
Modest losses6
Sharp losses2
Recent vol2.8%13-week weekly-return volatility.
Base vol2.9%52-week weekly-return volatility.
Up/down split30/19Count of positive and negative weeks in the 52-week window.
Average skew2.4% / -2.6%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.
SectorFI Technology
4-week rank8 / 28
Group average1.7%
Trend breadth28.6%
Trend28.6%active weekly trend signals
MD39.3%positive activity pressure
RS17.9%positive relative leadership
Four-week leaders
IndustryFI Scientific & Technical Instruments
4-week rank1 / 2
Group average3.0%
Trend breadth50.0%
Trend50.0%active weekly trend signals
MD50.0%positive activity pressure
RS50.0%positive relative leadership
Four-week leaders
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 tape67/100
Trend, activity pressure, participation, and risk combine to a 67/100 tape read.
Indicator analysis84/100Latest 12-week confirmation: trend 12/12, activity pressure 12/12, relative leadership 10/12.
Activity pressure 0.98; 2 reversal markers Factors50/100No published factor snapshot is available yet.
Patient CapitalQuietActivity-pressure buy-signal evidence highlights potential institutional accumulation windows.
No recent buy signal Sentiment54/100Weighted news tone is neutral across 6 relevant articles.
Vaisala Oyj (HLSE:VAIAS) Could Be 4% Undervalued Following Fresh Earnings Insiders50/100No recent insider transaction evidence is stored.
Earnings50/100No stored earnings event is currently attached to this ticker.
| Week | Close | Return | Trend Line | Fair Value | Pressure | Leadership | Volume | Trend |
|---|---|---|---|---|---|---|---|---|
| 7 Aug 2026 | 56.60 EUR | 2.9% | 49.60 EUR | 43.05 EUR | 0.51 | 11.47 | 57.5K | On |
| 31 Jul 2026 | 55.00 EUR | -2.1% | 49.19 EUR | 42.91 EUR | 0.69 | 8.56 | 48.5K | On |
| 24 Jul 2026 | 56.20 EUR | 5.0% | 48.78 EUR | 42.78 EUR | 1.08 | 11.05 | 121.3K | On |
| 17 Jul 2026 | 53.50 EUR | 0.2% | 48.34 EUR | 42.65 EUR | 1.20 | 6.09 | 63.9K | On |
| 10 Jul 2026 | 53.40 EUR | -5.5% | 47.97 EUR | 42.53 EUR | 1.48 | 5.43 | 59.3K | On |
| 3 Jul 2026 | 56.50 EUR | 0.9% | 47.60 EUR | 42.44 EUR | 1.57 | 9.47 | 8.2K | On |
| 26 Jun 2026 | 56.00 EUR | 2.9% | 47.13 EUR | 42.33 EUR | 1.49 | 10.34 | 23.2K | On |
| 19 Jun 2026 | 54.40 EUR | 1.3% | 46.69 EUR | 42.23 EUR | 1.52 | 5.30 | 49.6K | On |
| 12 Jun 2026 | 53.70 EUR | 0.8% | 46.25 EUR | 42.13 EUR | 1.50 | 1.92 | 10.7K | On |
| 5 Jun 2026 | 53.30 EUR | -2.4% | 45.83 EUR | 42.04 EUR | 1.58 | -1.30 | 14.4K | On |
| 29 May 2026 | 54.60 EUR | 3.6% | 45.41 EUR | 41.96 EUR | 1.69 | 0.68 | 80.7K | On |
| 22 May 2026 | 52.70 EUR | 3.1% | 44.99 EUR | 41.87 EUR | 1.68 | -3.58 | 70.4K | On |
| 15 May 2026 | 51.10 EUR | 0.0% | 44.70 EUR | 41.79 EUR | 1.62 | -3.69 | 98.5K | On |
| 8 May 2026 | 51.10 EUR | 2.6% | 44.48 EUR | 41.73 EUR | 1.57 | -3.60 | 119.5K | On |
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.