Comprehensive Stock Comparison
Compare Sony Group Corporation (SONY) vs Koss Corporation (KOSS) Stock
Analyze side-by-side fundamentals, valuation, growth, and profitability to decide which stock is the better buy.
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Quick Verdict
| Category | Winner | Why |
|---|---|---|
| Growth | KOSS | 2.9% revenue growth vs SONY's -0.5% |
| Quality / Margins | SONY | 9.2% net margin vs KOSS's -6.8% |
| Stability / Safety | SONY | Beta 0.85 vs KOSS's 1.31 |
| Dividends | SONY | 0.5% yield; 5-year raise streak; KOSS pays no meaningful dividend |
| Momentum (1Y) | SONY | -7.5% vs KOSS's -25.3% |
| Efficiency (ROA) | SONY | 3.2% ROA vs KOSS's -2.4%, ROIC 10.7% vs -4.2% |
Who Each Stock Is For
Income & stability
Growth exposure
Long-term compounding (10Y)
Sleep-well-at-night portfolio
Defensive / Recession hedge
Business Model
What each company does and how it makes money
Sony Group Corporation is a diversified global entertainment and technology conglomerate spanning electronics, gaming, music, and film. It generates revenue primarily through PlayStation gaming hardware and services (~30%), electronics like cameras and TVs (~25%), music publishing and streaming (~20%), and film production and distribution (~15%). Its competitive moat lies in its integrated ecosystem of hardware, software, and content—particularly the dominant PlayStation platform and its extensive entertainment IP library.
Koss Corporation is a manufacturer and seller of stereo headphones and audio accessories. It generates revenue primarily from headphone sales—including high-fidelity, wireless, and noise-canceling models—through distributors, retailers, and direct channels, with a smaller portion from private label manufacturing. The company's moat lies in its established brand reputation in the audio equipment space and its long-standing distribution relationships across multiple retail channels.
Revenue Breakdown by Segment
How each company's revenue is distributed across its business units
Segment breakdown not available.
Financial Metrics Comparison
Side-by-side fundamentals across 2 stocks. BestLagging
Financial Scorecard
SONY leads in 5 of 6 categories (Financial Metrics, Profitability & Efficiency). KOSS leads in 1 (Valuation Metrics).
Financial Metrics (TTM)
SONY is the larger business by revenue, generating $12.77T annually — 997809.5x KOSS's $13M. SONY is the more profitable business, keeping 9.2% of every revenue dollar as net income compared to KOSS's -6.8%. On growth, SONY holds the edge at +7.0% YoY revenue growth, suggesting stronger near-term business momentum.
| Metric | SONYSony Group Corpor… | KOSSKoss Corporation |
|---|---|---|
| RevenueTrailing 12 months | $12.77T | $13M |
| EBITDAEarnings before interest/tax | $2.60T | -$2M |
| Net IncomeAfter-tax profit | $1.17T | -$871,116 |
| Free Cash FlowCash after capex | $1.70T | -$546,651 |
| Gross MarginGross profit ÷ Revenue | +29.2% | +36.4% |
| Operating MarginEBIT ÷ Revenue | +11.3% | -15.8% |
| Net MarginNet income ÷ Revenue | +9.2% | -6.8% |
| FCF MarginFCF ÷ Revenue | +13.3% | -4.3% |
| Rev. Growth (YoY)Latest quarter vs prior year | +7.0% | -19.6% |
| EPS Growth (YoY)Latest quarter vs prior year | +7.8% | — |
Valuation Metrics
| Metric | SONYSony Group Corpor… | KOSSKoss Corporation |
|---|---|---|
| Market CapShares × price | $137.5B | $39M |
| Enterprise ValueMkt cap + debt − cash | $145.3B | $39M |
| Trailing P/EPrice ÷ TTM EPS | 19.16x | -44.22x |
| Forward P/EPrice ÷ next-FY EPS est. | 0.12x | — |
| PEG RatioP/E ÷ EPS growth rate | 1.25x | — |
| EV / EBITDAEnterprise value multiple | 12.66x | — |
| Price / SalesMarket cap ÷ Revenue | 1.66x | 3.10x |
| Price / BookPrice ÷ Book value/share | 2.57x | 1.26x |
| Price / FCFMarket cap ÷ FCF | 12.82x | — |
Profitability & Efficiency
SONY delivers a 14.6% return on equity — every $100 of shareholder capital generates $15 in annual profit, vs $-3 for KOSS. KOSS carries lower financial leverage with a 0.08x debt-to-equity ratio, signaling a more conservative balance sheet compared to SONY's 0.49x. On the Piotroski fundamental quality scale (0–9), SONY scores 8/9 vs KOSS's 5/9, reflecting strong financial health.
| Metric | SONYSony Group Corpor… | KOSSKoss Corporation |
|---|---|---|
| ROE (TTM)Return on equity | +14.6% | -2.9% |
| ROA (TTM)Return on assets | +3.2% | -2.4% |
| ROICReturn on invested capital | +10.7% | -4.2% |
| ROCEReturn on capital employed | +5.8% | -4.9% |
| Piotroski ScoreFundamental quality 0–9 | 8 | 5 |
| Debt / EquityFinancial leverage | 0.49x | 0.08x |
| Net DebtTotal debt minus cash | $1.22T | -$266,063 |
| Cash & Equiv.Liquid assets | $2.98T | $3M |
| Total DebtShort + long-term debt | $4.20T | $3M |
| Interest CoverageEBIT ÷ Interest expense | 22.32x | -1972.72x |
Total Returns (with DRIP)
A $10,000 investment in SONY five years ago would be worth $10,919 today (with dividends reinvested), compared to $2,179 for KOSS. Over the past 12 months, SONY leads with a -7.5% total return vs KOSS's -25.3%. The 3-year compound annual growth rate (CAGR) favors SONY at 11.9% vs KOSS's -6.3% — a key indicator of consistent wealth creation.
| Metric | SONYSony Group Corpor… | KOSSKoss Corporation |
|---|---|---|
| YTD ReturnYear-to-date | -10.9% | -4.8% |
| 1-Year ReturnPast 12 months | -7.5% | -25.3% |
| 3-Year ReturnCumulative with dividends | +39.9% | -17.7% |
| 5-Year ReturnCumulative with dividends | +9.2% | -78.2% |
| 10-Year ReturnCumulative with dividends | +466.3% | +92.1% |
| CAGR (3Y)Annualised 3-year return | +11.9% | -6.3% |
Risk & Volatility
SONY is the less volatile stock with a 0.85 beta — it tends to amplify market swings less than KOSS's 1.31 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. SONY currently trades 76.0% from its 52-week high vs KOSS's 48.1% drawdown — a narrower gap to the peak suggests stronger recent price momentum.
| Metric | SONYSony Group Corpor… | KOSSKoss Corporation |
|---|---|---|
| Beta (5Y)Sensitivity to S&P 500 | 0.85x | 1.31x |
| 52-Week HighHighest price in past year | $30.34 | $8.59 |
| 52-Week LowLowest price in past year | $20.42 | $4.00 |
| % of 52W HighCurrent price vs 52-week peak | +76.0% | +48.1% |
| RSI (14)Momentum oscillator 0–100 | 48.4 | 39.7 |
| Avg Volume (50D)Average daily shares traded | 5.3M | 36K |
Analyst Outlook
SONY is the only dividend payer here at 0.53% yield — a key consideration for income-focused portfolios.
| Metric | SONYSony Group Corpor… | KOSSKoss Corporation |
|---|---|---|
| Analyst RatingConsensus buy/hold/sell | Buy | — |
| Price TargetConsensus 12-month target | $30.00 | — |
| # AnalystsCovering analysts | 16 | — |
| Dividend YieldAnnual dividend ÷ price | +0.5% | — |
| Dividend StreakConsecutive years of raises | 5 | 0 |
| Dividend / ShareAnnual DPS | $18.97 | — |
| Buyback YieldShare repurchases ÷ mkt cap | +1.3% | 0.0% |
Historical Charts
Charts are rendered on first load. Hover for details.
Chart 1Total Return — 5 Years (Rebased to 100)
| Stock | Mar 20 | Feb 26 | Change |
|---|---|---|---|
| Sony Group Corporat… (SONY) | 100 | 172.41 | +72.4% |
| Koss Corporation (KOSS) | 100 | 382.54 | +282.5% |
Sony Group Corporat… (SONY) returned +9% over 5 years vs Koss Corporation (KOSS)'s -78%. A $10,000 investment in SONY 5 years ago would be worth $10,919 today (including dividends reinvested).
Chart 2Revenue Growth — 10 Years
| Stock | 2016 | 2025 | Change |
|---|---|---|---|
| Sony Group Corporat… (SONY) | $8.1T | $13.0T | +59.9% |
| Koss Corporation (KOSS) | $26M | $13M | -51.4% |
Sony Group Corporation's revenue grew from $8.1T (2016) to $13.0T (2025) — a 5.4% CAGR. Koss Corporation's revenue grew from $26M (2016) to $13M (2025) — a -7.7% CAGR.
Chart 3Net Margin Trend — 10 Years
| Stock | 2016 | 2025 | Change |
|---|---|---|---|
| Sony Group Corporat… (SONY) | 1.8% | 8.8% | +383.2% |
| Koss Corporation (KOSS) | 5.3% | -6.9% | -229.7% |
Sony Group Corporation's net margin went from 2% (2016) to 9% (2025). Koss Corporation's net margin went from 5% (2016) to -7% (2025).
Chart 4P/E Ratio History — 9 Years
| Stock | 2017 | 2025 | Change |
|---|---|---|---|
| Sony Group Corporat… (SONY) | 0.8 | 0.1 | -87.5% |
| Koss Corporation (KOSS) | 26.3 | 3.9 | -85.2% |
Sony Group Corporation has traded in a 0x–1x P/E range over 9 years; current trailing P/E is ~19x. Koss Corporation has traded in a 4x–209x P/E range over 4 years; current trailing P/E is ~-44x.
Chart 5EPS Growth — 10 Years
| Stock | 2016 | 2025 | Change |
|---|---|---|---|
| Sony Group Corporat… (SONY) | 23.5 | 187.92 | +699.7% |
| Koss Corporation (KOSS) | 0.19 | -0.09 | -149.2% |
Sony Group Corporation's EPS grew from $23.50 (2016) to $187.92 (2025) — a 26% CAGR. Koss Corporation's EPS grew from $0.19 (2016) to $-0.09 (2025) — a NaN% CAGR.
Chart 6Free Cash Flow — 5 Years
Sony Group Corporation generated $1.7T FCF in 2025 (+153% vs 2021). Koss Corporation generated $-1M FCF in 2025 (-181% vs 2021).
SONY vs KOSS: Frequently Asked Questions
7 questions · data-driven answers · updated daily
01Is SONY or KOSS a better buy right now?
Sony Group Corporation (SONY) offers the better valuation at 19.2x trailing P/E (0.1x forward), making it the more compelling value choice. Analysts rate Sony Group Corporation (SONY) a "Buy" — based on 16 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.
02Which is the better long-term investment — SONY or KOSS?
Over the past 5 years, Sony Group Corporation (SONY) delivered a total return of +9.2%, compared to -78.2% for Koss Corporation (KOSS). A $10,000 investment in SONY five years ago would be worth approximately $11K today (assuming dividends reinvested). Over 10 years, the gap is even starker: SONY returned +466.3% versus KOSS's +92.1%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.
03Which is safer — SONY or KOSS?
By beta (market sensitivity over 5 years), Sony Group Corporation (SONY) is the lower-risk stock at 0.85β versus Koss Corporation's 1.31β — meaning KOSS is approximately 54% more volatile than SONY relative to the S&P 500. On balance sheet safety, Koss Corporation (KOSS) carries a lower debt/equity ratio of 8% versus 49% for Sony Group Corporation — giving it more financial flexibility in a downturn.
04Which has better profit margins — SONY or KOSS?
Sony Group Corporation (SONY) is the more profitable company, earning 8.8% net margin versus -6.9% for Koss Corporation — meaning it keeps 8.8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: SONY leads at 10.9% versus -13.8% for KOSS. At the gross margin level — before operating expenses — KOSS leads at 37.8%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.
05Which pays a better dividend — SONY or KOSS?
In this comparison, SONY (0.5% yield) pays a dividend. KOSS does not pay a meaningful dividend and should not be held primarily for income.
06Is SONY or KOSS better for a retirement portfolio?
For long-horizon retirement investors, Sony Group Corporation (SONY) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.85), 0.5% yield, +466.3% 10Y return). Both have compounded well over 10 years (SONY: +466.3%, KOSS: +92.1%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.
07What are the main differences between SONY and KOSS?
Both stocks operate in the Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both. SONY pays a dividend while KOSS does not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.
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