Insider buying last 90 days
No open-market insider purchases were filed for ALGM in the last 90 days.
From Form 4 filings, dated to when each was filed.
Every ALGM insider filing, plotted on the chart in Gekko.Open ALGM in Gekko
NASDAQ: ALGM
Allegro MicroSystems (ALGM) Stock Analysis & Forecast
Sep 28 close
$36.94+0.18 (+0.5%)
Gekko Brief
AI summaryAllegro MicroSystems shares surged 4.6% to $36.76 on 25 September, drawing attention from valuation trackers, with one assessment describing the stock as "Modestly Overvalued" against a separate fair value of $31.01. Separately, the company's AHV850xx Isolated Silicon Carbide GateDriver chipset is now stocked at Mouser Electronics, aimed at simplifying power conversion design for data centers, industrial robotics, solar inverters and automotive onboard chargers.
ALGM closed at $36.94, up 0.5%, but remains below both its 50-day average of $39.43 and 200-day average of $40.08, with the 50-day itself below the 200-day, reflecting a longer-term downtrend even as the 6-month return stands at 22.6% and the 1-year return at 23.4%. The GekkoIndex reads 57.7, placing the stock in the Neutral zone, down from a higher reading five days prior. Price sits 12.1% below Gekko Fair Value of $42.01.
The next earnings report is due 29 October 2026, before the open, 30 days away and outside a typical 20-trading-day holding window; the prior report on 30 July beat estimates ($0.23 versus $0.21) yet the shares reacted -1.7%. No insider, Congress or unusual options activity appears in the current windows. Seasonally, the next 20 trading days have averaged -2.8% over 5 years, rising in 2 of them. Analyst coverage from 6 firms shows 5 buy and 1 hold ratings, with a consensus target of $54.82.
Written by AI and checked automatically against the figures on this page. Generated Sep 29, 2026 from the data above.
Allegro MicroSystems price vs fair value
Close $36.94200-day averageGekko Fair Value $42.01
Allegro MicroSystems quick facts
- Market cap
- $6.88B
- P/E ratio
- 525.1
- Forward P/E
- 35.8
- EPS, TTM
- $0.07
- Revenue, TTM
- $945.9M
- Profit margin
- 1.5%
- Dividend yield
- —
- Beta
- 1.91
- Volume
- 2.75M avg 2.35M
- 1-year return
- +23.4%
- Typical daily move
- ±4.2%
- Typical 20-day move
- ±9.7%
- 50-day average
- $39.43
- 200-day average
- $40.08
- Next earnings
- Oct 29 before open
- Shares outstanding
- 186.4M
Allegro MicroSystems swing-trade checklist
Allegro MicroSystems scores 2 supportive, 1 mixed and 2 headwinds across the 5 checklist items with data.
Six things swing traders check before a 20-day hold, read from the latest data.
2 supportive1 mixed2 headwinds
- Trendheadwind
Below 50 and 200-day
Close $36.94 is below the 50-day ($39.43) and 200-day ($40.08) averages, and the 50-day is below the 200-day.
See the chart - GekkoIndexmixed
57.7, Neutral
Reading 57.7 is in the Neutral zone.
See the GekkoIndex - Fair valuesupportive
12.1% below
Price is 12.1% below Gekko Fair Value (more than 5% below).
See fair value - Smart moneyno data
No data
No insider, Congress or unusual options activity in the window.
See smart money - Earnings risksupportive
Reports in 30 days
Next report Oct 29, 2026, 30 days away — outside a typical 20-trading-day hold.
See earnings - Seasonalityheadwind
−2.8% on average
From this point in the calendar, the next 20 trading days averaged −2.8% over 5 years, rising in 2 of them.
See seasonality
A description of current data, not a recommendation. How this page works
Allegro MicroSystems stock chart and price history
Allegro MicroSystems closed at $36.94 on Sep 28, 2026, +23.4% over the past year, inside a 52-week range of $22.41 to $71.77.
Close50-day average200-day averageVolume
Use the left and right arrow keys to read daily values.
Performance Breakdown
- 1 month
- −1.7%
- 3 months
- −44.3%
- 6 months
- +22.6%
- 1 year
- +23.4%
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About Allegro MicroSystems
Allegro MicroSystems builds specialized chips that help machines sense motion and control power efficiently. Among its offerings are magnetic sensing chips that measure things like position, speed, and current, plus chips that manage power delivery, including motor drivers, voltage regulators, and LED drivers. The company additionally makes photonic and 3D sensing hardware, such as photodiodes, laser components rated eye-safe, and readout chips that support LiDAR technology.
Its buyers are largely manufacturers and suppliers building equipment, particularly within the automotive and industrial spaces. To reach them, Allegro relies on a mix of methods, from its own sales force to outside representatives, third-party distributors, and consignment arrangements. The business reaches customers in many parts of the world, spanning the Americas, Europe, Japan, Greater China, South Korea, and additional Asian markets.
Allegro MicroSystems traces back to 1990 and runs its main offices out of Manchester, New Hampshire, functioning as a subsidiary under Sanken Electric Co., Ltd. Its stock trades on the NASDAQ under the ticker ALGM.
- Listed
- NASDAQ
- Sector
- Electronic technology
- Industry
- Semiconductors
- Website
- allegromicro.com
Allegro MicroSystems GekkoIndex: the smart money zone
Allegro MicroSystems’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 57.7, in the Neutral zone, down 6.3 points over five sessions.
57.7Neutral
Down 6.3 points over five sessions, from the Accumulation zone.
Reading for Sep 28, 2026
What followed past readings in each zone
| Zone | Readings | 5 days | 20 days | ||
|---|---|---|---|---|---|
| Buying | 28 | +3.5% | +11.3% | ||
| Accumulation | 248 | +1.1% | +3.1% | ||
| Neutral (current zone) | 344 | +0.1% | +1.0% | ||
| Distribution | 51 | −0.1% | −0.2% | ||
| Selling | 1 | Too few readings yet | |||
Average ALGM share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Neutral readings averaged +1.1% over 20 days. Past behaviour doesn’t guarantee future results.
Neutral zone: No clear directional signal. About the five zones →
See every daily GekkoIndex reading plotted over the ALGM price, zone by zone.Track ALGM in Gekko
Is Allegro MicroSystems stock overvalued? Gekko Fair Value
Allegro MicroSystems trades 12.1% below Gekko Fair Value of $42.01, so the shares are undervalued on Gekko’s estimate.
Gekko’s own estimate of what Allegro MicroSystems shares are worth, recalculated every trading day.
$42.01
Gekko Fair Value, Sep 29, 2026
12.1% Undervalued
Gekko Fair Value on every chart, with the gap to price updating daily.Open ALGM in Gekko
Allegro MicroSystems insider and Congress trading
No open-market insider purchases were filed for Allegro MicroSystems, and no Congress trades were disclosed, in the last 90 days.
Plus buybacks, unusual options and fund positions, each dated to when it became public.
Congress trades last 90 days
No trades in ALGM were disclosed by members of Congress in the last 90 days.
From congressional disclosures, which report amounts as ranges.
Congress disclosures for ALGM, plotted on the chart in Gekko.Open ALGM in Gekko
Buybacks
Allegro MicroSystems has been buying back its own shares.
- Bought back, quarter ended Mar 27, 2026
- $1.71M
- As a share of market cap
- 0.02%
From company filings.
Allegro MicroSystems earnings: next date and track record
Allegro MicroSystems reports on Oct 29, 2026, before the open (30 days away), and beat the EPS estimate in 7 of its last 8 reports.
Next earnings report
Oct 29, 2026
Expected before the open, 30 days away
- EPS estimate
- $0.25
- Revenue estimate
- $270.9M
7 of 8reports beat the EPS estimate
±6.7%average move across the report
3 of 8reports followed by a gain
Share-price move across each report
| Reported | EPS | Revenue | Move |
|---|---|---|---|
| Jul 30, 2026 | $0.23 est $0.21 | $259.2M est $251.4M | −1.7% |
| May 7, 2026 | $0.17 est $0.16 | $243.2M est $235.9M | −4.7% |
| Jan 29, 2026 | $0.15 est $0.14 | $229.2M est $220.8M | +6.8% |
| Oct 30, 2025 | $0.13 est $0.12 | $214.3M est $216.0M | −2.7% |
| Jul 31, 2025 | $0.09 est $0.09 | $203.4M est $209.2M | −7.7% |
| May 8, 2025 | $0.06 est $0.05 | $192.8M est $193.7M | +19.5% |
| Jan 30, 2025 | $0.07 est $0.06 | $177.9M est $185.4M | +5.4% |
| Oct 31, 2024 | $0.08 est $0.06 | $187.4M est $187.6M | −5.0% |
“Move” is the close of the first session after the report compared with the close of the last session before it, so it reads the same whether the company reported before the open or after the close.
Allegro MicroSystems stock forecast and analyst price targets
Analysts’ average 12-month price target for Allegro MicroSystems is $54.82, +48.4% from the last close, from 6 firms rating the stock in the last 90 days.
$54.82consensus 12-month target, +48.4% from the last close
Now $36.94Avg $54.82
Low $48High $58
Each firm’s latest rating in the last 90 days: 6 firms.
Latest analyst actions
| Date | Firm | Target | vs price |
|---|---|---|---|
| Sep 18 | Morgan Stanley | $52 | +40.8% |
| Aug 26 | Mizuho Securities | $58 | +57.0% |
| Aug 25 | Mizuho Securities | $58 | +57.0% |
| Jul 31 | Morgan Stanley | $52 | +40.8% |
| Jul 31 | Barclays | $48 | +29.9% |
+1.0%average 20-day move after past Neutral readings
−2.8%average move over the next 20 trading days in the last 5 years
±4.2%typical daily move, from the 14-day average range
Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.
Allegro MicroSystems seasonality: the next 20 trading days
Over the next 20 trading days from Sep 26, Allegro MicroSystems averaged −2.8% across the last 5 years, rising in 2 of them.
Next 20 trading days, by year
Average move and hit rate
| Window | Average | Years higher |
|---|---|---|
| Next 5 trading days | −4.4% | 1 of 5 |
| Next 10 trading days | −6.5% | 1 of 5 |
| Next 15 trading days | −5.6% | 0 of 5 |
| Next 20 trading days | −2.8% | 2 of 5 |
| Next 30 trading days | −2.6% | 1 of 5 |
For scale, ALGM’s typical 20-trading-day move in either direction is about 9.7%.
Allegro MicroSystems market cap and key statistics
Allegro MicroSystems’s market cap is $6.88B, with a P/E ratio of 525.1 and revenue of $945.9M over the last twelve months.
Valuation
- Market cap
- $6.88B
- P/E ratio
- 525.1
- Forward P/E
- 35.8
- EPS, TTM
- $0.07
- Gekko Fair Value
- $42.01
Trading
- Volume
- 2.75M
- Avg volume, 20 days
- 2.35M
- 52-week high
- $71.77
- 52-week low
- $22.41
- Shares outstanding
- 186.4M
Financials
- Revenue, TTM
- $945.9M
- Profit margin
- 1.5%
- Return on equity
- 1.5%
- Quarterly earnings growth, YoY
- −48.5%
Risk and income
- Beta
- 1.91
- Typical daily move
- ±4.2%
- Typical 20-day move
- ±9.7%
Allegro MicroSystems stock news this week
Coverage of Allegro MicroSystems this week reads neutral: 2 positive, 3 neutral and 0 negative headlines.
- Allegro Microsystems Inc (ALGM) Shares Surge 4.6% -- What GF ScoGuruFocus, Sep 25
- Allegro MicroSystems, Inc. $ALGM Shares Sold by Engineers Gate Manager LPMarketBeat, Sep 25
- Allegro MicroSystems, Inc. (ALGM) stock price, news, quote and historyYahoo Finance Australia, Sep 25
- Allegro MicroSystems, Inc. (ALGM) Stock ForecastsYahoo! Finance Canada, Sep 24
- Allegro MicroSystems' AHV850xx Isolated SiC GateDriver Chipset, Now at Mouser, Simplifies Power Design for Data Centers and Industrial ApplicationsElectronic Design, Sep 24
Allegro MicroSystems peers
Allegro MicroSystems’s 6 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.
| Stock | GekkoIndex zone | vs Fair Value |
|---|---|---|
| NVDANVIDIA | Neutral | 13.2% below |
| AVGOBroadcom | Accumulation | 2.3% below |
| MUMicron Technology | Neutral | 4.7% above |
| AMDAdvanced Micro Devices | Neutral | 19.9% above |
| INTCIntel | Neutral | 19.1% above |
| TXNTexas Instruments | Neutral | 7.4% above |
A peer links to its own page where one exists.
Allegro MicroSystems stock FAQ
What is Allegro MicroSystems’s market cap?
Allegro MicroSystems’s market cap is $6.88B at the Sep 28, 2026 close of $36.94, with 186.4M shares outstanding. The shares trade on a P/E ratio of 525.1.
What is the Allegro MicroSystems stock forecast?
The consensus analyst 12-month price target for Allegro MicroSystems is $54.82, +48.4% from the last close. Of the 6 firms that rated the stock in the last 90 days, 5 rate it a buy, 1 a hold and 0 a sell. Gekko doesn’t publish price predictions of its own.
Is Allegro MicroSystems stock overvalued or undervalued?
On Gekko’s estimate Allegro MicroSystems is undervalued: the Sep 28, 2026 close of $36.94 is 12.1% below Gekko Fair Value of $42.01. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.
When does Allegro MicroSystems report earnings next?
Allegro MicroSystems is expected to report on Oct 29, 2026, before the market opens (30 days away). Analysts expect earnings of $0.25 per share on revenue of $270.9M. Allegro MicroSystems beat the earnings estimate in 7 of its last 8 reports, moving 6.7% on average across the report.
What is Allegro MicroSystems’s 52-week high and low?
Allegro MicroSystems’s 52-week high is $71.77 and its 52-week low is $22.41; it closed at $36.94 on Sep 28, 2026, +23.4% over the past year.
Is Allegro MicroSystems stock a buy right now?
Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 2 of the 5 items with data read as supportive (fair value and earnings risk), 1 as mixed (gekkoindex) and 2 as headwinds (trend and seasonality). The checklist is a description of current data, not a recommendation.
How this page works
During US trading hours the price at the top of the page is a delayed quote, refreshed every 15 minutes; everything else is rebuilt after each US market close. The GekkoIndex, Gekko Fair Value and the checklist are Gekko’s own, and the Gekko Brief is written by AI from this page’s data and checked against it before it is published. How Gekko’s data works →
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