Amkor Technology (AMKR) logo

Amkor Technology (AMKR) stock

$37.14
-5.97%

Chip assembly and test, market cap $10BSemiconductor equipment

As of 2:52 PM ET, delayed 15+ min · Live for Pro members

Why is AMKR down?

Down 6.0% today with semiconductor equipment stocks: 21 of 22 are down, 3.8% on average; the S&P 500 is down 0.2%.

Down from its high

Down 58% from its Jun 22, 2026 high.

  • Free cash flow went from $345.1M in fiscal 2024 to $191.0M in fiscal 2025.

Sources: Price history, Oct 30, 2026; Annual reports, Dec 31, 2025

Tell me next time AMKR moves

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1 more reason, free with an account →1 more reason why AMKR is down from its high, from its filings, with the other side, the timeline, and its peers, for Pro members.
Quality Score
2
Below Average
In its industry
#51of 84

AMKR's Quality Score rose 1 point on Mon, Nov 2, to 2.

See AMKR's 14 chart checksSee it live, free for 24 hours. No account. No card. Then keep going with a free account.

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Key facts on AMKR

Key facts on AMKR
Holding it backProfit halved $765.8M → $373.9M in 3 years
Its scoreDown:Lowest Quality Score since Aug 2025 Scores before Sep 10, 2026 were rebuilt.
Latest filing8-K, Oct 26 Reported its quarterly results
1 more reason behind AMKR's 2, free with an account →2 more reasons behind AMKR's 2, for Pro members.

AMKR in the news

TodayWith its group.

Chip stocks fell together

Fri Oct 30: Group

“Nvidia Weighs Credit Backstop for Nscale Data Center as AI Chip Stocks Slide”

AMKR closed −4.1% that day.

Reported by TechCrunch · covered by 2 outlets

Get an alert on AMKR's next big story →

The move is what AMKR did that session, not a claim about why.

1 big story on AMKR in the past 12 months, for Pro members.

What moves chips

Big Tech spending$201.9B+108%in the quarter, Jul to Sepon a year

What Microsoft, Alphabet, Amazon, and Meta together spent on buildings and equipment, data centers included, in their latest quarter, against a year earlier. Capital spending as each reports it, not a count of chips bought.

Each company's quarterly report (10-Q) on SEC EDGAR, Jul to Sep. Change on the same period a year earlier.

TSMC monthly sales and US export rules, for Pro members.

What's next

Tue Nov 10: SEMICON Europa 2026Industry event · date confirmed.

AMKR catalysts

Coming up

After its last 4 reports it closed -5.0% on average, higher 2 of 4 times.

25 past catalysts since 2018, with sizes and sources, for Pro members.Get in free →

Why AMKR scores 2

Below Averagefor quality, not price, 0 of 14 chart checks firingWhat the Quality Score means

  • −1Long-term trend below a falling 200-⁠day average
  • +2Growth sales up 16% on the year, gross margin up 3.1 points, from Massive's market dataSales and margins against a year earlier: up to +3 for fast growth and widening margins, down to -2 when both shrink.
  • Size adds
  • Profit addsRead on the last four quarters against the four before, or the last full year where no quarters are filed.
  • Volatility subtractsA daily range of 5% or more with nothing behind it (no profit or cash flow, sales shrinking, or 10% more shares outstanding with no free cash flow): -1, or -2 from 8%.

No effect today: Chart checks, Run-up, Dilution, Cash flow, Persistence, News, and Insider trades.

What every line is worth, and the reason behind it, on AMKR and every other stock.Get in free →

Price, score, chart checks, and the industry rank are from a snapshot taken at 2:52 PM ET, at least 15 minutes behind. How we rank stocks.

Tested. Our top-⁠scored stocks returned 2.2x the average stock over the next month. How we tested it

Here is what Pro members see.

  • The same page for Pro members, on AMD

    Its Quality Score and rank, the line that drives it, and the live price.

  • The full chart

    A year of candles to start, out to the whole history, with insider trades marked and the Quality Score under the price.

  • Every line of the score

    Price action, the company, and signals, each with its points, on AMKR and every other stock.

  • CEOs buying their own stock

    Every CEO buy, biggest names first. Sort, filter, save the list, and set optional alerts.

  • Congress trades

    A member's trades, newest first, each with its amount. Sort and filter the whole list.

  • 14 chart checks, read for you

    The ones firing on the stock, each in plain words, its rule a tap away.

  • Earnings, week by week

    Who reports each day, and how each stock took its last four reports.

  • FDA dates, counted down

    Each date in the company's words, its cash against the date, and an optional alert before it.

  • The market map

    Every stock a box, colored by its Quality Score.

  • Themes, ranked live

    Each theme's stocks ranked by Quality Score, live. Here, AI chips.

  • The top 10, every day

    The ten highest Quality Scores at each close, kept day by day, week by week.

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Nothing is firing on AMKR right now

Volume1 of 3 shown
Tight range1 of 3 shown
Buying1 of 3 shown
The other 10 checks on AMKR, and all 14 on every stock.Get in free →

AMKR RSI today: 34.1, below its 50-day and 200-day averages

Not scored

Not in the Quality Score: over 20 years of tests, 2006 to 2026, they added no edge.

The deep dive on AMKR

7 more findings on AMKR, each with its source, for Pro membersGet in free →

How AMKR ranks in Semiconductors

AMKR is #51 of 84 by Quality Score.

How AMKR ranks in Semiconductors
51Amkor Technology (AMKR) logoAMKRAmkor Technology2

More in Semiconductors

When does AMKR report earnings, and what happens after?

Expected to report Mon Feb 8, after the close (in 98 days). Expected.

What an earnings report is: every 3 months, a company tells everyone how much it sold and earned. We read the figures, the outlook, and how the stock moved after.

What AMKR reported on Oct 26, 2026

The quarter

Sales of $2.0B, about the same as a year ago; a profit of $0.76 a share, from $0.51.

The quarter that ended Sep 30, from the company's press release

The press releaseThe filing on EDGAR

Where the sales came from

Where the quarter's sales came from
LineQ3
2026
Q2
2026
Q3
2025
Selected Operating Data
Advanced productsdown 3.1%$1.6B82%$1.6B82%$1.7B85%

Each quarter's sales and their share of its total. Figures as filed (SEC filing, Oct 26)

1 more line, for Pro members.

The outlook

The outlook the company gave, by period
MeasureFigure
Q4 2026
Net sales$1.9B to $2.0B

Figures as filed (SEC filing, Oct 26)

1 more outlook line, for Pro members.

The numbers

Market value
$10B
today

No analyst estimates on Breakaway: every figure here is filed.

The whole report on AMKR: every line of its sales, every outlook beside the one it replaced, and the company's words, for Pro members.Get in free →
ReportedGapReaction5
sessions
Oct 26, 2026After close+4.8%+8.5%+1.2%
Jul 27, 2026After close-14.7%-24.7%-16.3%
Apr 27, 2026After close-12.6%-5.6%-6.2%

AMKR closed higher after 2 of its last 4 reports.

All 4 reports, and AMKR's Quality Score going into each

AMKR sales and profit by year

Sales and profit by year

Sales grew in four of the last seven years, to $6.7B in 2025. It made a profit in each of the eight years.

Insiders trading AMKR

AMKR insider trades

4 insiders sold $8.2M across 6 filings in the last 6 months. No open-⁠market buys on record. The newest:

SellGuillaume Marie Jean Rutten$1.4MDirectorat $55.35 on Aug 5, filed Aug 7
All 6 insider filings on AMKR from the last six months, for Pro members.Get in free →

All AMKR insider trades

AMKR trades by Congress and the executive branch

4 trades disclosed in the last six months. The newest:

SellMarkwayne Mullin$15K to $50KSecretary, Departraded Apr 16, disclosed Jul 25(100 days later)
All 4 trades on AMKR disclosed by Congress and the executive branch, for Pro members.Get in free →

See what Congress is buying across the market

AMKR's officers and directors

Officers and directors with a Form 4 in the last 12 months.

4 more officers and directors file at AMKR. Each page above names the rest.

See insider trades by person

Which ETFs hold AMKR?

In ETFs: AMKR is under 0.1% of FTEC, under 0.1% of VGT, and under 0.1% of VYM, the most of the 24 funds Breakaway covers, by each fund's latest filing, Jul 31 to Aug 31, 2026.

About Amkor Technology

Amkor Technology Inc is a OSAT (outsourced semiconductor assembly and test) service provider. It has pioneered the outsourcing of integrated circuit (IC) packaging and test services and is a strategic manufacturing partner for the semiconductor companies, foundries, and electronics original equipment manufacturers (OEMs). The firm's products are organized into two categories namely advanced products that include flip chip, fine pitch bumping, wafer-level processing, advanced SiPs, power modules, and others, and Mainstream products that includes wirebond packaging and testing. The company derives maximum revenue from the advanced products category. The company derives majority of its revenue from Foreign states.

30,800 employeesTempe, AZamkor.com

What Amkor Technology says it competes with

“The outsourced semiconductor packaging and test market is highly competitive, and geopolitical trade tensions have increased competition from Chinese firms supporting a China-for-China supply chain.”

From its annual report, SEC filing · Feb 20, 2026

2 more sentences, what it says it does, and its sales by region, for Pro membersGet in free →

AMKR's score card

Amkor Technology (AMKR): Quality Score 2, Below Average, #51 of 84 in Semiconductors, with its price, on Breakaway
The picture a link to this page shows when it is shared.

Pro members see every line of every stock's score.

  • What would turn AMKR's score around: 7 things
  • 2 more filings explained, a plain line each
  • Real-⁠time prices, no delay
BreakawayJul 25Markwayne Mullin sold AMKR$15K to $50K, disclosed Jul 25

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See AMKR's 14 chart checks

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Straight Answers

As of Nov 2, 2026: AMKR's Quality Score is 2 (Below Average), #51 of 84 in Semiconductors. Insiders sold $8.2M in the last 6 months (Form 4).

Is AMKR a good stock to buy? What its Quality Score says

AMKR scores 2 today, which Breakaway calls Below Average. It is #51 of 84 in Semiconductors by Quality Score, with 0 of 14 chart checks firing. Down 58% from its Jun 22, 2026 high. Breakaway does not say whether to buy any stock: the score does not know your situation, and it is not a recommendation to buy or sell anything. Please do your own research.

What is AMKR's Quality Score?

AMKR scores 2 today, which Breakaway calls Below Average (0 to 5). That is #51 of 84 in Semiconductors by Quality Score. The score adds up the chart checks, the trend, the company's filed sales, its profits, the news, insider trades, and Congress trades. The section above lists the lines behind AMKR's 2.

Are insiders buying AMKR?

4 insiders sold $8.2M across 6 filings in the last 6 months. No open-⁠market buys on record. The newest is Guillaume Marie Jean Rutten, Director, who sold $1.4M on Aug 5. Every filing, with the scored weight, for Pro members.

Are the prices delayed?

Only on the public pages, which run at least 15 minutes behind. Pro members, and anyone on a guest pass, see real-time prices: the scanner refreshes every 15 seconds, and your watchlist every few seconds, pre-market and after hours included.

The moves after past earnings reports are past behavior, not a forecast.

The price, the score, the chart checks and readings, and the industry rank on this page are delayed at least 15 minutes.

Our top-scored stocks' record: Oct 2021 to Sep 2026, before costs. Recorded live since Sep 9 2026.

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