Diodes Incorporated (NASDAQ:DIOD) Momentum Weakens While Fundamentals Signal Overvaluation

Product rollouts and a mixed set of operating metrics leave Diodes positioned for limited upside and heightened downside sensitivity in the immediate term.

Recent News

On July 18–22, 2025 Diodes announced the DPC851 photocoupler series, describing 5,000Vrms isolation and 350V transistor-side ratings for appliance, EV-charging and industrial power applications. Additional product posts in late July highlighted an LDO announced July 30 and other component introductions through July 23 targeting power-management and isolation for industrial and computing systems.

Technical Analysis

ADX at 15.65 indicates no established trend; price action lacks directional conviction despite clear short-term pressures.

DI+ at 16.90 trending down while DI− at 24.93 trending up signals bearish directional pressure; negative directional index divergence favors downside risk versus upside recovery.

MACD at −0.29 and declining, with the MACD below the signal line (MACD signal −0.01), confirms weakening momentum and no bullish MACD cross at present.

MRO at 14.58 with a peak-and-reversal pattern indicates price sits above the model target and carries a bias toward reduction rather than expansion in the near term.

RSI at 50.52 and decreasing shows momentum losing lift while remaining near neutral; momentum direction favors the bearish setup from DI and MACD.

Price trades below the 20-day average ($53.45) and below the 12-day EMA ($52.84) which is decreasing; the 200-day average sits at $51.10 and the close at $51.03 tests that long-run level as near-term technical support.

Bollinger bands place the close nearer the lower band (lower 1× at $51.79, lower 2× at $50.13), implying constrained upside and an increased probability of a continuation lower if support undercuts $50.13; the super trend upper at $55.98 serves as a clear resistance reference.

Elevated short-term volatility (42‑day beta 3.27 versus 52‑week beta 1.65) combined with below-average volume (current volume ~249,968 versus 10/50/200‑day averages of ~377,697/454,734/493,395) indicates moves can be sharp but lack broad participation.

 


Fundamental Analysis

Revenue totaled $366,212,000 for the period; YoY revenue growth reads 74.194% while sequential revenue change shows a QoQ contraction of −5.8475% (both figures reported here as percentages). Free cash flow totaled $21,077,000 and free cash flow yield equaled 0.878%.

Gross margin at 31.491% contracted YoY by −6.227 percentage points. Operating margin sits at 2.588%, reflecting elevated operating expense absorption versus gross profit.

EBIT measured $53,729,000, producing an EBIT margin of 14.672%; that margin sits below the industry peer mean of 18.16% and well below the industry peer median of 24.792%. QoQ change in EBIT margin equals −22.17% while reported YoY change equals 243.526%.

Net income reached $46,098,000 and EPS came in at $0.32 versus an estimate of $0.25, outpacing consensus by $0.07 or a 28% surprise.

Balance-sheet liquidity looks robust: $317,049,000 cash, $327,334,000 cash and short-term investments, current ratio 3.33 and quick ratio 2.04. Total debt remained low at $53,978,000 with debt to equity roughly 0.0288, and interest coverage at 106.18x.

Return metrics remain modest: return on assets 1.91% and return on equity 2.456%, while earnings growth stands at 68.421% (reported). Inventory and working capital show elevated days-in-inventory (191 days) and a cash conversion cycle of 211.11 days, both indicating longer capital tie-up in operations.

Valuation metrics skew toward premium multiples: trailing PE 158.22 and forward PE 72.31; price-to-book 1.28. The enterprise multiple reads 23.74 and EV-to-revenue context shows an enterprise value of $2,127,614,157. WMDST values the stock as over‑valued relative to the company’s risk-adjusted fundamentals and cash generation profile.

MOST-RECENT QUARTERLY REPORT
REPORT PERIOD ENDING: 2025-06-30
REPORT DATE: 2025-08-07
NEXT REPORT DATE: 2025-11-06
CASH FLOW  Begin Period Cash Flow 341.0 M
 Operating Cash Flow 41.5 M
 Capital Expenditures -20.44 M
 Change In Working Capital 3.2 M
 Dividends Paid
 Cash Flow Delta -18.18 M
 End Period Cash Flow 322.8 M
 
INCOME STATEMENT REVENUE
 Total Revenue 366.2 M
 Forward Revenue 60.3 M
COSTS
 Cost Of Revenue 250.9 M
 Depreciation 30.0 M
 Depreciation and Amortization 35.9 M
 Research and Development 40.5 M
 Total Operating Expenses 356.7 M
PROFITABILITY
 Gross Profit 115.3 M
 EBITDA 89.6 M
 EBIT 53.7 M
 Operating Income 9.5 M
 Interest Income 7.0 M
 Interest Expense 506.0 K
 Net Interest Income 6.5 M
 Income Before Tax 53.2 M
 Tax Provision 9.1 M
 Tax Rate 17.0 %
 Net Income 46.1 M
 Net Income From Continuing Operations 44.2 M
EARNINGS
 EPS Estimate 0.25
 EPS Actual 0.32
 EPS Difference 0.07
 EPS Surprise 28.0 %
 Forward EPS 0.66
 
BALANCE SHEET ASSETS
 Total Assets 2.5 B
 Intangible Assets 241.6 M
 Net Tangible Assets 1.6 B
 Total Current Assets 1.2 B
 Cash and Short-Term Investments 327.3 M
 Cash 317.0 M
 Net Receivables 313.5 M
 Inventory 482.7 M
 Long-Term Investments 250.2 M
LIABILITIES
 Accounts Payable 148.3 M
 Short-Term Debt 29.1 M
 Total Current Liabilities 373.6 M
 Net Debt
 Total Debt 54.0 M
 Total Liabilities 537.4 M
EQUITY
 Total Equity 1.9 B
 Retained Earnings 1.8 B
VALUATION & PER-SHARE METRICS EQUITY & PER-SHARE METRICS
 Book Value Per-Share 40.62
 Shares Outstanding 46.211 M
 Revenue Per-Share 7.92
VALUATION
 Market Capitalization 2.4 B
 Enterprise Value 2.1 B
 Enterprise Multiple 23.742
Enterprise Multiple QoQ -54.662 %
Enterprise Multiple YoY -64.54 %
Enterprise Multiple IPRWA high: 209.03
mean: 58.229
median: 49.069
DIOD: 23.742
low: -326.325
 EV/R 5.81
CAPITAL STRUCTURE
 Asset To Equity 1.317
 Asset To Liability 4.599
 Debt To Capital 0.028
 Debt To Assets 0.022
Debt To Assets QoQ -0.183 %
Debt To Assets YoY 86.189 %
Debt To Assets IPRWA high: 0.638
median: 0.206
mean: 0.194
DIOD: 0.022
low: 0.004
 Debt To Equity 0.029
Debt To Equity QoQ 0.454 %
Debt To Equity YoY 84.359 %
Debt To Equity IPRWA high: 1.649
mean: 0.357
median: 0.318
DIOD: 0.029
low: -0.118
PRICE-BASED VALUATION
 Price To Book (P/B) 1.279
Price To Book QoQ 12.27 %
Price To Book YoY -33.688 %
Price To Book IPRWA high: 13.227
mean: 4.16
median: 2.914
DIOD: 1.279
low: -2.007
 Price To Earnings (P/E) 158.223
Price To Earnings QoQ -32.033 %
Price To Earnings YoY -29.6 %
Price To Earnings IPRWA high: 477.854
DIOD: 158.223
mean: 100.043
median: 68.132
low: -85.508
 PE/G Ratio 2.312
 Price To Sales (P/S) 6.556
Price To Sales QoQ 6.106 %
Price To Sales YoY -38.744 %
Price To Sales IPRWA high: 118.859
mean: 22.71
median: 16.194
DIOD: 6.556
low: 0.291
FORWARD MULTIPLES
Forward P/E 72.309
Forward PE/G 1.057
Forward P/S 39.788
EFFICIENCY OPERATIONAL
 Operating Leverage -237.263
ASSET & SALES
 Asset Turnover Ratio 0.152
Asset Turnover Ratio QoQ 8.326 %
Asset Turnover Ratio YoY 11.897 %
Asset Turnover Ratio IPRWA high: 0.362
DIOD: 0.152
mean: 0.136
median: 0.123
low: 0.003
 Receivables Turnover 1.19
Receivables Turnover Ratio QoQ 12.421 %
Receivables Turnover Ratio YoY 44.421 %
Receivables Turnover Ratio IPRWA high: 3.244
mean: 2.204
median: 2.051
DIOD: 1.19
low: 0.663
 Inventory Turnover 0.526
Inventory Turnover Ratio QoQ 9.424 %
Inventory Turnover Ratio YoY 10.346 %
Inventory Turnover Ratio IPRWA high: 1.313
mean: 0.691
median: 0.686
DIOD: 0.526
low: 0.159
 Days Sales Outstanding (DSO) 76.712
CASH CYCLE
 Cash Conversion Cycle Days (CCC) 211.11
Cash Conversion Cycle Days QoQ -4.648 %
Cash Conversion Cycle Days YoY -13.003 %
Cash Conversion Cycle Days IPRWA high: 421.858
DIOD: 211.11
median: 138.562
mean: 130.392
low: -168.954
CAPITAL DEPLOYMENT
 Cash Conversion Ratio 0.42
 CapEx To Revenue -0.056
 CapEx To Depreciation -0.68
 
CAPITAL, LIQUIDITY & COVERAGE CAPITAL STRUCTURE
 Total Capital 1.9 B
 Net Invested Capital 1.9 B
 Invested Capital 1.9 B
 Net Tangible Assets 1.6 B
 Net Working Capital 871.0 M
LIQUIDITY
 Cash Ratio 0.876
 Current Ratio 3.331
Current Ratio QoQ -2.94 %
Current Ratio YoY -1.482 %
Current Ratio IPRWA high: 10.851
DIOD: 3.331
mean: 3.244
median: 2.755
low: 0.359
 Quick Ratio 2.039
Quick Ratio QoQ -3.457 %
Quick Ratio YoY -3.013 %
Quick Ratio IPRWA high: 11.513
mean: 2.455
DIOD: 2.039
median: 1.962
low: 0.295
COVERAGE & LEVERAGE
 Debt To EBITDA 0.602
 Cost Of Debt 0.796 %
 Interest Coverage Ratio 106.184
Interest Coverage Ratio QoQ -2255.994 %
Interest Coverage Ratio YoY 562.482 %
Interest Coverage Ratio IPRWA DIOD: 106.184
high: 26.361
median: 18.179
mean: 13.239
low: -86.97
 Operating Cash Flow Ratio 0.192
TIMING / LIQUIDITY
 Days Payables Outstanding (DPO) 56.941
DIVIDENDS
 Dividend Coverage Ratio
 Dividend Payout Ratio
 Dividend Rate
 Dividend Yield
PERFORMANCE GROWTH
 Asset Growth Rate 4.89 %
 Revenue Growth 10.267 %
Revenue Growth QoQ -584.75 %
Revenue Growth YoY 74.194 %
Revenue Growth IPRWA high: 39.13 %
DIOD: 10.267 %
mean: 3.46 %
median: 1.591 %
low: -16.026 %
 Earnings Growth 68.421 %
Earnings Growth QoQ -330.918 %
Earnings Growth YoY 283.161 %
Earnings Growth IPRWA high: 122.222 %
DIOD: 68.421 %
median: 10.0 %
mean: 9.459 %
low: -53.846 %
MARGINS
 Gross Margin 31.491 %
Gross Margin QoQ -0.105 %
Gross Margin YoY -6.227 %
Gross Margin IPRWA high: 86.179 %
median: 55.075 %
mean: 47.273 %
DIOD: 31.491 %
low: -13.046 %
 EBIT Margin 14.672 %
EBIT Margin QoQ -2217.172 %
EBIT Margin YoY 243.526 %
EBIT Margin IPRWA high: 61.973 %
median: 24.792 %
mean: 18.16 %
DIOD: 14.672 %
low: -152.931 %
 Return On Sales (ROS) 2.588 %
Return On Sales QoQ -473.449 %
Return On Sales YoY -39.405 %
Return On Sales IPRWA high: 61.973 %
median: 24.792 %
mean: 17.182 %
DIOD: 2.588 %
low: -152.931 %
CASH FLOW
 Free Cash Flow (FCF) 21.1 M
 Free Cash Flow Yield 0.878 %
Free Cash Flow Yield QoQ -55.902 %
Free Cash Flow Yield YoY -944.231 %
Free Cash Flow Yield IPRWA high: 2.561 %
median: 1.357 %
DIOD: 0.878 %
mean: -0.029 %
low: -14.288 %
 Free Cash Growth -48.403 %
Free Cash Growth QoQ 41.331 %
Free Cash Growth YoY -48.017 %
Free Cash Growth IPRWA high: 370.37 %
mean: 9.177 %
median: 0.224 %
DIOD: -48.403 %
low: -185.015 %
 Free Cash To Net Income 0.457
 Cash Flow Margin 19.6 %
 Cash Flow To Earnings 1.557
VALUE & RETURNS
 Economic Value Added 0.04
 Return On Assets (ROA) 1.91 %
Return On Assets QoQ -1121.39 %
Return On Assets YoY 463.422 %
Return On Assets IPRWA high: 5.595 %
median: 2.489 %
mean: 2.357 %
DIOD: 1.91 %
low: -22.34 %
 Return On Capital Employed (ROCE) 2.561 %
 Return On Equity (ROE) 0.025
Return On Equity QoQ -1098.374 %
Return On Equity YoY 444.568 %
Return On Equity IPRWA high: 0.098
mean: 0.042
median: 0.037
DIOD: 0.025
low: -0.221
 DuPont ROE 2.507 %
 Return On Invested Capital (ROIC) 2.309 %
Return On Invested Capital QoQ -2456.122 %
Return On Invested Capital YoY -152.43 %
Return On Invested Capital IPRWA high: 19.024 %
median: 3.146 %
mean: 3.144 %
DIOD: 2.309 %
low: -13.453 %

Six-Week Outlook

Near-term price bias favors range-bound to lower trajectories. Technical ensemble—DI− dominance, declining MACD, an MRO peak-and-reversal, and EMAs below the 20-day average—points to downside vulnerability if the $50.13–$51.10 neighborhood breaks on increased participation. The neutral RSI and proximity to the 200‑day average mean transient bounces can occur, but momentum indicators currently favor continued pressure rather than a sustained rally.

Fundamentals provide mixed support for price stability: strong liquidity and an EPS beat supply a defensive cushion, while compressed operating margins, extended inventory cycles, and a free cash flow yield under 1% reduce fundamental justification for elevated multiples. Given WMDST’s over‑valued determination, upside requires either margin expansion or cash‑flow improvement to realign valuation; absent such moves, the path of least resistance over six weeks trends toward consolidation with downside risk if technical support fails.

About Diodes Incorporated

Diodes Incorporated (NASDAQ:DIOD) develops and supplies high-performance semiconductor products for a broad spectrum of applications. Based in Plano, Texas, the company delivers application-specific standard products across discrete, logic, analog, and mixed-signal semiconductor markets. Diodes’ diverse product lineup includes discrete semiconductor components such as MOSFETs, SiC MOSFETs, and various diodes and rectifiers. The company also offers advanced analog solutions, including power management devices like AC-DC and DC-DC converters, LED drivers, and audio amplifiers. Their mixed-signal solutions feature high-speed interfaces, digital switches, and clock integrated circuits. Diodes serves a wide range of industries, including industrial, automotive, computing, communications, and consumer electronics, focusing on quality and performance. Through a comprehensive network of direct sales, marketing teams, independent representatives, and distributors, Diodes Incorporated ensures their innovative solutions reach a global customer base. Founded in 1959, the company continues to advance technology and meet the evolving needs of the semiconductor industry with precision and reliability.



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