Diodes Inc (DIOD) stock

DIODNasdaqSemiconductors & Related DevicesFiscal year ends December 31

Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 12/3022% above fair value

$91.60+0.33 (+0.36%)

Close on Nov 12, 2026Market cap $4.22BP/E 36.8Yield –

Diodes statistics

104 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.

Important dates

Next earnings: Feb 9, 2027 (estimated, after the close)
Last ex-dividend date: No dividends
Fundamentals through: Sep 30, 2026
Share price as of: Nov 12, 2026

Valuation ratiosIndustry

Market Cap: $4.22B; $844.71M
Enterprise Value: $3.72B; $944.99M
PE Ratio: 36.79; 34.12
PS Ratio: 2.38; 2.98
PB Ratio: 2.16; 2.83
P/TBV Ratio: 2.90; 3.58
P/FCF Ratio: 34.12; 34.64
P/OCF Ratio: 15.74; 23.41

Enterprise valuationIndustry

EV / Sales: 2.09; 2.44
EV / EBITDA: 28.67; 20.42
EV / EBIT: 28.67; 26.07
EV / FCF: 30.08; 31.79

Share statisticsIndustry

Shares Outstanding: 46M; 50M
Shares Change (YoY): -0.35%; 2.33%
Shares Change (QoQ): -0.38%; 0.21%
Float: 46M; 50M
Shares Held by Insiders: 1.08%; 5.32%
Shares Held by Institutions: 99.5%; 61.6%

Short sellingIndustry

Short Interest: 2M; –
Short Interest Change: -17.8%; -0.74%
Short % of Float: 4.62%; 6.78%
Short % of Shares Outstanding: 4.57%; 5.10%
Days to Cover: 4.24; 3.58

Stock price statisticsIndustry

52-Week High: $125.99; –
52-Week Low: $42.28; –
20-Day Moving Average: $83.91; –
50-Day Moving Average: $90.03; –
200-Day Moving Average: $89.05; –
Average True Range (14): $6.21; –
Price Change (1 Week): 34.0%; 8.87%
Price Change (1 Month): 5.64%; -9.03%
Price Change (3 Months): -11.5%; -25.0%
Price Change (6 Months): -11.6%; -34.6%
Price Change (YTD): 85.7%; 1.08%
Price Change (1 Year): 95.4%; -0.41%
Price Change (3 Years): 44.3%; 27.4%
Price Change (5 Years): -15.6%; -28.5%
Price Change (10 Years): 316.2%; 111.7%
Average Volume (10 Days): 657,030; –
Average Volume (20 Days): 578,383; –
Average Volume (90 Days): 564,544; –
Relative Volume: 0.71; 0.80
Relative Strength Index (14): 55.2; 44.5
Volatility (1 Year): 70.4%; 82.1%
Beta (5 Years): 1.61; 1.39

MarginsIndustry

Gross Margin: 33.3%; 34.6%
Operating Margin: 7.30%; 0.77%
Pretax Margin: 8.87%; 2.97%
Profit Margin: 6.51%; -0.51%
EBITDA Margin: 7.30%; 4.94%
FCF Margin: 6.96%; 2.73%

Returns on capitalIndustry

Return on Equity (ROE): 6.02%; -0.17%
Return on Assets (ROA): 4.16%; -1.58%
Return on Invested Capital (ROIC): 7.45%; 1.66%
Return on Capital Employed (ROCE): 5.02%; 0.42%

Financial positionIndustry

Current Ratio: 3.07; 2.38
Quick Ratio: 1.82; 1.32
Debt / Equity: 0.00; 0.38
Debt / EBITDA: 0.01; 2.03
Debt / FCF: 0.01; 2.32
Net Debt / EBITDA: -4.42; 0.66
Interest Coverage: 41.44; 0.05

GrowthIndustry

Revenue Growth (YoY): 24.2%; 13.8%
Net Income Growth (YoY): 80.0%; 14.8%
EPS Growth (YoY): 80.4%; 19.7%
FCF Growth (YoY): -33.8%; 12.6%
Revenue Growth (3Y CAGR): -9.52%; 1.79%
Revenue Growth (5Y CAGR): 3.81%; 7.18%
EPS Growth (3Y CAGR): -41.7%; 5.05%
EPS Growth (5Y CAGR): -5.32%; 10.6%

EfficiencyIndustry

Asset Turnover: 0.64; 0.66
Inventory Turnover: 2.35; 3.04
Revenue Per Employee: $222.20K; $373.11K
Profits Per Employee: $14.46K; -$6.97K
Employee Count: 7,989; 534
WACC: 12.9%; 11.3%

Income statement (TTM)Industry

Revenue: $1.78B; $338.73M
Gross Profit: $590.75M; $99.67M
Operating Income: $129.67M; -$314.66K
Pretax Income: $157.46M; $831.50K
Net Income: $115.52M; -$1.22M
EBITDA: $129.67M; $2.84M
EPS (Diluted): $2.49; -$0.01

Balance sheetIndustry

Cash & Short-Term Investments: $574.85M; $93.38M
Total Debt: $1.57M; $196.00M
Net Cash (Debt): $573.28M; $7.36M
Net Cash Per Share: $12.45; $0.30
Equity (Book Value): $1.95B; $200.69M
Book Value Per Share: $42.33; $5.54
Tangible Book Value: $1.45B; $63.99M
Working Capital: $1.05B; $143.99M

Cash flow (TTM)Industry

Operating Cash Flow: $268.06M; $3.17M
Capital Expenditures: -$144.44M; -$18.11M
Free Cash Flow: $123.62M; $4.22M
FCF Per Share: $2.68; $0.21

Dividends and yieldsIndustry

Earnings Yield: 2.74%; -0.24%
FCF Yield: 2.93%; 0.82%

Taxes and interestIndustry

Interest Expense: $3.13M; $9.10M
Income Tax: $27.09M; $3.09M
Effective Tax Rate: 17.2%; 18.5%

Scores and fair valueIndustry

Graham Number: $48.70; $33.09
Graham Upside: -46.8%; -60.9%
Altman Z-Score: 3.49; 2.80
Piotroski F-Score: 7; 5

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.

Period	DIOD	S&P 500	Difference	DIOD per year	S&P 500 per year
1 month	+1.1%	-2.7%	+3.8 pts
3 months	-14.4%	-1.7%	−12.7 pts
Year to date	+85.7%	+11.9%	+73.8 pts
1 year	+95.9%	+12.0%	+83.9 pts
3 years	+45.4%	+78.2%	−32.8 pts	+13.3%	+21.2%
5 years	-15.6%	+73.2%	−88.8 pts	-3.3%	+11.6%
10 years	+316.2%	+309.6%	+6.5 pts	+15.3%	+15.1%

Short interest

Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.

2M DIOD shares were sold short on Oct 30, 2026, down 17.8% from the previous report, or 4.62% of the shares available to trade. At recent volumes it would take 4.2 days to buy them back. Over the last 20 sessions, 55.2% of the volume reported to FINRA was short selling.

Settlement date	Shares short	Change	Avg. daily volume	Days to cover
Oct 30, 2026	2,105,762	-17.8%	497,059	4.2
Oct 15, 2026	2,560,821	+1.2%	509,940	5.0
Sep 30, 2026	2,531,495	+6.1%	515,129	4.9
Sep 15, 2026	2,386,213	+6.7%	476,347	5.0
Aug 31, 2026	2,236,918	+22.9%	651,223	3.4
Aug 14, 2026	1,819,859	+5.1%	774,269	2.4
Jul 31, 2026	1,731,705	-12.0%	490,687	3.5
Jul 15, 2026	1,968,424	-4.3%	422,154	4.7
Jun 30, 2026	2,055,829	+13.6%	899,765	2.3
Jun 15, 2026	1,810,137	+1.1%	533,415	3.4
May 29, 2026	1,790,462	+23.6%	804,548	2.2
May 15, 2026	1,448,344	-7.2%	764,092	1.9