NASDAQ: MRCY

Mercury Systems (MRCY) Stock Analysis & Forecast

Sep 28 close

$80.12−2.06 (−2.5%)

Gekko Brief

AI summary

This week's news around Mercury Systems centers on legal and governance matters rather than operating results. Levi & Korsinsky issued an investor alert regarding a class action lawsuit alleging false statements about acquisition strategy, revenue recognition practices, and program performance between December 7, 2020, and June 23, 2023, while a separate report notes a court granted preliminary approval for stockholder derivative action settlements, prompting some re-evaluation of governance and valuation. Short interest data as of September 15, 2026 showed 5.03 million shares sold short, a 3.81% decrease from the prior report, with 8.35% of the public float held short and a 7.3-day cover ratio. An executive sale of 1,000 shares at $86.52 under a Rule 10b5-1 plan and routine Form 144 and Form 4 filings round out the period's activity.

Shares close at $80.12, down 2.5%, sitting below both the 50-day average of $94.06 and the 200-day average of $91.69. Over the past month the stock is down 11.4%, and over three months down 27.3%, though it remains up 12.2% over six months and 9.6% over one year. The GekkoIndex reads 65.8, placing MRCY in the Accumulation zone, with price standing 15% below Gekko Fair Value of $94.29.

The next earnings report is scheduled for 3 November 2026 after the close, 35 days out and beyond a typical 20-trading-day holding window. Seasonality over five years shows the next 20 trading days averaging a 3% gain, positive in 3 of those years. No insider, Congress, or unusual options activity is recorded in the current windows, leaving trend and valuation gap as the primary points of note.

Written by AI and checked automatically against the figures on this page. Generated Sep 29, 2026 from the data above.

Mercury Systems price vs fair value

$94.29$80.12Sep ’25Mar ’26Sep ’26
Close $80.12200-day averageGekko Fair Value $94.29

Mercury Systems quick facts

Market cap
$4.81B
P/E ratio
—
Forward P/E
50
EPS, TTM
−$0.50
Revenue, TTM
$983.6M
Profit margin
-3%
Dividend yield
—
Beta
0.98
Volume
604,415 avg 677,763
1-year return
+9.6%
Typical daily move
±4.1%
Typical 20-day move
±7.9%
50-day average
$94.06
200-day average
$91.69
Next earnings
Nov 3 after close
Shares outstanding
60.86M
52-week range
$65.04$128.45

Mercury Systems swing-trade checklist

Mercury Systems scores 4 supportive, 1 mixed and 0 headwinds across the 5 checklist items with data.

Six things swing traders check before a 20-day hold, read from the latest data.

4 supportive1 mixed0 headwinds

  • Trendmixed

    Averages disagree

    Close $80.12 sits between the 50-day ($94.06) and 200-day ($91.69) averages, or the averages disagree.

    See the chart
  • GekkoIndexsupportive

    65.8, Accumulation

    Reading 65.8 is in the Accumulation zone.

    See the GekkoIndex
  • Fair valuesupportive

    15.0% below

    Price is 15% 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 35 days

    Next report Nov 3, 2026, 35 days away — outside a typical 20-trading-day hold.

    See earnings
  • Seasonalitysupportive

    +3.0% on average

    From this point in the calendar, the next 20 trading days averaged +3% over 5 years, rising in 3 of them.

    See seasonality

A description of current data, not a recommendation. How this page works

Mercury Systems stock chart and price history

Mercury Systems closed at $80.12 on Sep 28, 2026, +9.6% over the past year, inside a 52-week range of $65.04 to $128.45.

Close50-day average200-day averageVolume
Mercury Systems share price, past year, with 50-day and 200-day moving averages and volume$60$100$120NovDecJan 2026FebMarAprMayJunJulAugSep80.12

Use the left and right arrow keys to read daily values.

Performance Breakdown

1 month
−11.4%
3 months
−27.3%
6 months
+12.2%
1 year
+9.6%
The full MRCY chart adds GekkoIndex, insider, options, Congress and hedge fund markers, plus TrendCandles™.Open MRCY in Gekko

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About Mercury Systems

Mercury Systems designs and manufactures advanced electronic components, modules, and integrated subsystems used mainly in aerospace and defense applications. Its work touches roughly 300 programs, serving 25 defense contractors as well as a range of commercial aviation clients. The company is recognized for building the hardware that underpins complex defense and aviation systems, from small parts to fully integrated assemblies.

Its product range covers items such as power amplifiers, switches, oscillators, filters, converters, chips, and monolithic microwave integrated circuits, along with memory and storage devices. It also produces higher-level modules like embedded processing boards, digital receiver boards, RF and microwave assemblies, transceivers, and specialized video and input/output boards, in addition to complete subsystems. Beyond manufacturing, Mercury Systems develops technologies for electronic warfare, radar simulation and testing, signals intelligence, and unmanned aerial vehicle systems, including onboard processors for real-time imagery. The company operates across the United States, Europe, and Asia Pacific.

Founded in 1981 under the name Mercury Computer Systems, the company adopted its current name, Mercury Systems, in November 2012. It is headquartered in Andover, Massachusetts, and its shares are listed on the NASDAQ under the ticker MRCY.

Listed
NASDAQ
Sector
Electronic technology
Industry
Aerospace & defense
Website
mrcy.com

Mercury Systems GekkoIndex: the smart money zone

Mercury Systems’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 65.8, in the Accumulation zone, up 1.5 points over five sessions.

010065.8Accumulation

Up 1.5 points over five sessions.

Reading for Sep 28, 2026

What followed past readings in each zone

ZoneReadings5 days10 days20 days50 days
Buying21+2.4%+3.2%+6.0%+9.1%
Accumulation (current zone)174+2.4%+5.1%+8.0%+18.2%
Neutral429+0.5%+1.0%+3.1%+10.8%
Distribution45−0.3%−0.6%−3.5%−7.0%
Selling3Too few readings yet

Average MRCY share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Accumulation readings averaged +2.3% over 20 days. Past behaviour doesn’t guarantee future results.

Accumulation zone: Institutional interest building. About the five zones →

See every daily GekkoIndex reading plotted over the MRCY price, zone by zone.Track MRCY in Gekko

Is Mercury Systems stock overvalued? Gekko Fair Value

Mercury Systems trades 15.0% below Gekko Fair Value of $94.29, so the shares are undervalued on Gekko’s estimate.

Gekko’s own estimate of what Mercury Systems shares are worth, recalculated every trading day.

$94.29

Gekko Fair Value, Sep 26, 2026

15.0% Undervalued

How Gekko Fair Value works →

Gekko Fair Value on every chart, with the gap to price updating daily.Open MRCY in Gekko

Mercury Systems insider and Congress trading

No open-market insider purchases were filed for Mercury Systems, 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.

Insider buying last 90 days

No open-market insider purchases were filed for MRCY in the last 90 days.

From Form 4 filings, dated to when each was filed.

Every MRCY insider filing, plotted on the chart in Gekko.Open MRCY in Gekko

Congress trades last 90 days

No trades in MRCY were disclosed by members of Congress in the last 90 days.

From congressional disclosures, which report amounts as ranges.

Congress disclosures for MRCY, plotted on the chart in Gekko.Open MRCY in Gekko

Buybacks

Mercury Systems has been buying back its own shares.

Bought back, quarter ended Dec 26, 2025
$15.00M
As a share of market cap
0.31%

From company filings.

Mercury Systems earnings: next date and track record

Mercury Systems reports on Nov 3, 2026, after the close (35 days away), and beat the EPS estimate in 6 of its last 8 reports.

6 of 8reports beat the EPS estimate
±14.6%average move across the report
6 of 8reports followed by a gain

Share-price move across each report

+27.0%Nov ’24+18.8%Feb ’25−6.3%May ’25+28.8%Aug ’25+0.5%Nov ’25−17.9%Feb ’26+16.7%May ’26+0.5%Aug ’26
ReportedEPSSurpriseRevenueSurpriseMove
Aug 10, 2026$0.18
est $0.20
−10.0%——+0.5%
May 5, 2026$0.27
est $0.09
+214.0%$235.8M
est $208.6M
+13.0%+16.7%
Feb 3, 2026$0.16
est $0.07
+128.6%$232.9M
est $210.5M
+10.6%−17.9%
Nov 4, 2025$0.26
est $0.08
+225.0%$225.2M
est $225.7M
−0.2%+0.5%
Aug 11, 2025$0.47
est $0.21
+123.8%$211.4M
est $214.8M
−1.6%+28.8%
May 6, 2025$0.06
est $0.06
0.0%$211.4M
est $241.8M
−12.6%−6.3%
Feb 4, 2025$0.07
est −$0.04
+275.0%$223.1M
est $210.6M
+5.9%+18.8%
Nov 5, 2024$0.04
est −$0.08
+150.0%$204.4M
est $181.8M
+12.5%+27.0%

“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.

Mercury Systems stock forecast and analyst price targets

Analysts’ average 12-month price target for Mercury Systems is $115.70, +44.4% from the last close, from 10 firms rating the stock in the last 90 days.

$115.70consensus 12-month target, +44.4% from the last close
Low $78High $131
Buy7
Hold2
Sell1

Each firm’s latest rating in the last 90 days: 10 firms.

Latest analyst actions

DateFirmRatingTargetvs price
Sep 14GuggenheimBuy, initiated$115+43.5%
Sep 1J.P. MorganHold, maintained$110+37.3%
Aug 24Goldman SachsSell, maintained$78−2.6%
Aug 24Robert W. BairdBuy, maintained$130+62.3%
Aug 20Truist FinancialBuy, maintained$120+49.8%
+8.0%average 20-day move after past Accumulation readings
+3.0%average move over the next 20 trading days in the last 5 years
±4.1%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.

Mercury Systems seasonality: the next 20 trading days

Over the next 20 trading days from Sep 29, Mercury Systems averaged +3.0% across the last 5 years, rising in 3 of them.

Next 20 trading days, by year

+8.1%2021+17.0%2022−3.4%2023−9.0%2024+4.3%2025

Average move and hit rate

WindowAverageYears higher
Next 5 trading days+3.8%3 of 5
Next 10 trading days+2.3%4 of 5
Next 15 trading days+3.2%4 of 5
Next 20 trading days+3.0%3 of 5
Next 30 trading days+6.6%3 of 5

For scale, MRCY’s typical 20-trading-day move in either direction is about 7.9%.

Mercury Systems market cap and key statistics

Mercury Systems’s market cap is $4.81B and revenue of $983.6M over the last twelve months.

Valuation

Market cap
$4.81B
Forward P/E
50
EPS, TTM
−$0.50
Gekko Fair Value
$94.29

Trading

Volume
604,415
Avg volume, 20 days
677,763
52-week high
$128.45
52-week low
$65.04
Shares outstanding
60.86M

Financials

Revenue, TTM
$983.6M
Profit margin
-3%
Return on equity
-2%
Quarterly earnings growth, YoY
−96.7%

Risk and income

Beta
0.98
Typical daily move
±4.1%
Typical 20-day move
±7.9%

Mercury Systems peers

Mercury Systems’s 6 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.

StockTodayGekkoIndex zonevs Fair Value
GEGE Aerospace−1.0%Accumulation0.8% below
RTXRTX−0.1%Accumulation12.0% below
BABoeing−4.3%Buying22.4% below
LMTLockheed Martin−0.2%Accumulation19.7% below
HWMHowmet Aerospace−1.2%Accumulation3.2% below
GDGeneral Dynamics−0.2%Accumulation9.8% below

A peer links to its own page where one exists.

In the Buying zone today

Reporting earnings this week

Popular on Gekko

Mercury Systems stock FAQ

What is Mercury Systems’s market cap?

Mercury Systems’s market cap is $4.81B at the Sep 28, 2026 close of $80.12, with 60.86M shares outstanding.

What is the Mercury Systems stock forecast?

The consensus analyst 12-month price target for Mercury Systems is $115.70, +44.4% from the last close. Of the 10 firms that rated the stock in the last 90 days, 7 rate it a buy, 2 a hold and 1 a sell. Gekko doesn’t publish price predictions of its own.

Is Mercury Systems stock overvalued or undervalued?

On Gekko’s estimate Mercury Systems is undervalued: the Sep 28, 2026 close of $80.12 is 15.0% below Gekko Fair Value of $94.29. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.

When does Mercury Systems report earnings next?

Mercury Systems is expected to report on Nov 3, 2026, after the market closes (35 days away). Analysts expect earnings of $0.28 per share on revenue of $245.1M. Mercury Systems beat the earnings estimate in 6 of its last 8 reports, moving 14.6% on average across the report.

What is Mercury Systems’s 52-week high and low?

Mercury Systems’s 52-week high is $128.45 and its 52-week low is $65.04; it closed at $80.12 on Sep 28, 2026, +9.6% over the past year.

Is Mercury Systems stock a buy right now?

Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 4 of the 5 items with data read as supportive (gekkoindex, fair value, earnings risk and seasonality), 1 as mixed (trend). 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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