Diodes (DIOD) stock

Diodes and chips , market cap $3.1B

Diodes, transistors, and power chips

Worth $3.1B

Pre-market

$75.82

-1.99%

Close $77.36 +13.17%

As of 9:22 AM ET pre-market, delayed 15+ min · Live for Pro members

Quality Score

Below Average

In its industry

#30of 84

Semiconductors

Checks firing

3of 14

Trending up

From 52-week high

-38.6%

under its best in a year

DIOD's Quality Score rose 2 points on Fri, Nov 6, to 5. It closed near its high of the day (2 chart checks started).

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

We do the work for you. Every stock is scored and ranked, every 15 seconds while the market is open. Here it's 15 minutes behind. Pro members see it live.

Why is DIOD up?

Up 13% on Nov 6 while the S&P 500 rose 0.3%.

Its Nov 5 results: revenue was $532.6M, from $392.2M a year before; gross profit margin was 36.1%, from 30.7%. It rose 13% on Nov 6.

Sources: Price history, Nov 6, 2026; Company release, Nov 5, 2026

1 more reason, free with an account →1 more reason why DIOD rose on Nov 6, from its filings, with the other side, the timeline, and its peers, for Pro members.

Key facts on DIOD

Key facts on DIOD
Holding it back	Below a falling 200-day average
Latest filing	8-K, Nov 5 Reported its quarterly results

1 more reason behind DIOD's 5, free with an account →1 more reason behind DIOD's 5, for Pro members.

DIOD in the news

ReportThu Nov 5: sales of $532.6M; a profit of $0.95 a share. Past reports ›

ThuDiodes reported $532.6 million of quarterly revenue and a profit of $0.95 a share SEC, 5:03 PM ET

Chip stocks rose together

Group

“U.S. chip stocks rebound sharply after Thursday's brutal selloff”

DIOD closed +13.2% that day.

Reported by Yahoo Finance · covered by 13 outlets

Get an alert on DIOD's next big story →

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

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.

DIOD catalysts

Coming up

After its last 4 reports it closed +10.5% on average, higher 3 of 4 times.

37 past catalysts since 2018, with sizes and sources, for Pro members.

Why DIOD scores 5

Below Averagefor quality, not price, 3 of 14 chart checks firingWhat the Quality Score means

+3Chart checks 3 of 14 firing right now, one point each
+2Profit A profit of $86M over the last four quarters, up 35% from $64M the four before, from the SEC filingsRead on the last four quarters against the four before, or the last full year where no quarters are filed.

Long-term trend subtracts
Growth addsSales and margins against a year earlier: up to +3 for fast growth and widening margins, down to -2 when both shrink.

No effect today: Run-up, Size, Dilution, Volatility, Cash flow, Persistence, and News.

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

Price, score, chart checks, and the industry rank are from a snapshot taken at 9:22 AM 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. Reconstructed after the fact; recorded live since Sep 9, 2026. How we tested it

Alert me when DIOD's Quality Score turns up

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How DIOD ranks in Semiconductors

DIOD is #30 of 84 by Quality Score.

How DIOD ranks in Semiconductors
Rank	Stock	Checks	Quality Score
1	AMDAdvanced Micro Devices	3/14	17
2	MUMicron Technology	2/14	14
3	LSCCLattice Semiconductor	2/14	13
	CRUSCirrus Logic		Open for its score
	CSIQCanadian Solar		Open for its score
	ENPHEnphase Energy		Open for its score
	FORMFormFactor		Open for its score
30	DIODDiodes	3/14	5

Net income over four quarters: DIOD $86.1M, CRUS $431M, MTSI $241M, POWI $25.1M.

When does DIOD report earnings, and what happens after?

Expected to report Tue Feb 9, after the close (in 92 days).

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 DIOD reported on Nov 5, 2026

The quarter

Sales of $532.6M, 36% more than a year ago; a profit of $0.95 a share, from $0.31.

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

The press release The filing on EDGAR

Where the sales came from

DIOD's results filing gives no sales by line in a table we read.

The outlook

The outlook the company gave, by period
Measure	Figure
Q4 2026
Revenue	about $550 million, ±3%

Figures as filed (SEC filing, Nov 5)

3 more outlook lines, for Pro members.

The numbers

Market value: $3.1B; today
Sales: $1.6B; up 17.8% on the year
Free cash flow: $143M; last 12 months

Sales grew 3.8% a year over 5 years, fiscal 2020 to 2025.

Its share count fell 2.3% a year over 5 years.

5 more figures, for Pro members.

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

The whole report on DIOD: every line of its sales, every outlook beside the one it replaced, and the company's words, for Pro members.

Close after the report, last 3

-1.4%+3.8%+13.2%

May 12Aug 11Nov 5

Reported	When	Gap	Reaction	5 days
Nov 5, 2026After close	After close	+9.2%	+13.2%	not yet
Aug 11, 2026After close	After close	+3.4%	+3.8%	-3.9%
May 12, 2026After close	After close	+2.8%	-1.4%	-9.4%

DIOD closed higher after 3 of its last 4 reports.

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

DIOD sales and profit by year

Sales and profit by year

Sales grew in four of the last seven years, to $1.5B in 2025. It made a profit in each of the eight years.

DIOD has 3 of 14 chart checks firing

Trend1 of 5 shown

MA FAN 21 EMA W.EMA HH/HL 52W HI

Volume1 of 3 shown

VOL VDU U/D VOL

Tight range1 of 3 shown

ATR SQZ SQUEEZE NR7

Buying1 of 3 shown

OBV+CLOSE HI SPRING

The other 10 checks on DIOD, and all 14 on every stock.Get in free →

DIOD RSI on Nov 6: 42.1, below its 50-day and 200-day averages

Not scored

RSI 42.1, MACD below signal, below both averages. Not scored.13 readings

The deep dive on DIOD

What it does and how it makes money3 findingsIt kept 2 cents of each dollar of sales in fiscal 2025: $35.5M of operating profit on $1.48B of sales.Annual report, filed Feb 10, 2026
Where it stands3 findingsFor Pro members3 findings on where DIOD stands: its cash, debt, and share count, for Pro members
Who holds and trades it4 findingsFor Pro members4 findings on who holds and trades DIOD, for Pro members
Against its closest peers4 peersNet income over four quarters: DIOD $86.1M, CRUS $431M, MTSI $241M, POWI $25.1M.

9 more findings on DIOD, each with its source, for Pro members.

DIOD insider trades

7 insiders sold $6.6M across 13 filings in the last 6 months. No open-⁠market buys on record. The newest:

SellFrancis Tang$1.7MChief Technology Officerat $112.04 on May 29, filed Jun 1

SellFrancis TangChief Technology Officer$1.7Mat $112.04 on May 29, filed Jun 1

All 13 insider filings on DIOD from the last six months, for Pro members.

All DIOD insider trades

DIOD trades by Congress and the executive branch

One trade disclosed in the last six months. The newest:

SellDonald Trump$50K to $100KPresident (R)traded Jul 29, disclosed Sep 22(55 days later)

SellDonald TrumpPresident (R)$50K to $100Ktraded Jul 29, disclosed Sep 22(55 days later)

See what Congress is buying across the market

DIOD's officers and directors

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

Gary YuPresident and CEO · 3 trades
Brett R. WhitmireCFO · 3 trades
Emily YangSVP Worldwide Sales/Marketing · 7 trades
Francis TangChief Technology Officer · 4 trades
Andy TsongSVP Worldwide Products Group · 3 trades
Jin ZhaoPresident, Diodes Asia · 3 trades
Richard Dallas WhiteCorporate Secretary · 2 trades
Keh Shew LuDirector · 4 trades

6 more officers and directors file at DIOD.

See insider trades by person

Which ETFs hold DIOD?

In ETFs: DIOD is under 0.1% of FTEC, under 0.1% of VGT, and under 0.1% of VTI, the most of the 24 funds Breakaway covers, by each fund's latest filing, Jun 30 to Aug 31, 2026.

About Diodes

Diodes Inc is a manufacturer and supplier of high-quality application-specific products within the broad discrete, logic, analog, and mixed-signal semiconductor markets. It serves the customer electronics, computing, communications, industrial, and automotive markets. The Company's products include diodes; rectifiers; transistors; MOSFETs; GPP bridges; GPP rectifiers; protection devices; function-specific arrays; single gate logic; amplifiers and comparators; Hall-effect and temperature sensors; and power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, voltage references along with special-function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.

7,989 employeesPlano, TXdiodes.com

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Congress trades
A member's trades, newest first, each with its amount. Sort and filter the whole list.
14 chart checks, read for you
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What would turn DIOD's score around: 5 things
3 more filings explained, a plain line each
Real-⁠time prices, no delay

BreakawaySep 22Donald Trump sold DIOD$50K to $100K, disclosed Sep 22

Alerts are optional.

See DIOD's 14 chart checks

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Straight AnswersStraight Answers

As of Nov 9, 2026: DIOD's Quality Score is 5 (Below Average), #30 of 84 in Semiconductors. Insiders sold $6.6M in the last 6 months (Form 4).

What does DIOD's Quality Score say?

DIOD scores 5 today, which Breakaway calls Below Average. It is #30 of 84 in Semiconductors by Quality Score, with 3 of 14 chart checks firing. Up 13% on Nov 6 while the S&P 500 rose 0.3%. 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 DIOD's Quality Score?

DIOD scores 5 today, which Breakaway calls Below Average (0 to 5). That is #30 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 DIOD's 5.

Are insiders buying DIOD?

7 insiders sold $6.6M across 13 filings in the last 6 months. No open-⁠market buys on record. The newest is Francis Tang, Chief Technology Officer, who sold $1.7M on May 29. 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.