WDC vs POET vs SNDK Stock Comparison

Western Digital, Poet Technologies and Sandisk Prices as of Oct 29, 2026 Peers: Industry group
WDC Western Digital Corp
$395.41 -12.8% 1M +179.7% 1Y
Market cap
$134.23B
P/E
13.4x
Revenue (TTM)
$14.48B
Div. yield
0.00%
Server and Storage Hardware Technology
3 wins
POET Poet Technologies Inc.
$5.66 -26.2% 1M -14.6% 1Y
Market cap
$479.29M
P/E
–
Revenue (TTM)
$1.71T
Div. yield
–
Semiconductor Design Technology
SNDK Sandisk Corp
$1,330.05 -23.1% 1M +550.8% 1Y
Market cap
$168.29B
P/E
8.7x
Revenue (TTM)
$28.97B
Div. yield
–
Server and Storage Hardware Technology
6 wins

Head to Head

9 decided of 12

Sandisk leads on 6 of the 12 questions below (Sandisk 6, Western Digital 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionWDCPOETSNDKLeader
Larger companyMarket capitalisation $134.23B $479.29M $168.29B SNDK
Cheaper on earningsLower P/E, profitable companies only 13.4x 0.0x 8.7x SNDK
Cheaper on forward earningsLower price / next fiscal year consensus EPS 16.4x — 6.5x SNDK
Faster revenue growthRevenue growth, trailing twelve months +43.0% +266.1% +272.4% SNDK
More profitableNet margin, trailing twelve months 69.2% -4,420.7% — WDC
Better return on capitalReturn on invested capital 53.8% — — –
Less leveragedLower net debt / EBITDA -0.1x — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +179.7% -14.6% +550.8% SNDK
Better 5-year returnAnnualised price return, 5 years +58.6%/yr -7.5%/yr — WDC
Less volatileAnnualised volatility, 1 year 80.4% 140.0% 110.9% WDC
Higher overall scoreMean of the five percentile scores vs peers 79/100 22/100 80/100 SNDK

Percentile Scorecard

WDCPOETSNDK

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisWDCPOETSNDK
Valuation 49 #58 of 112 51 #47 of 94 56 #50 of 112
Growth 98 #3 of 108 13 #80 of 92 100 #1 of 108
Profitability 98 #3 of 104 2 #86 of 88 92 #9 of 104
Financial Health 67 #39 of 116 – 72 #33 of 116
Shareholder Returns 83 #14 of 78 – –
Overall 79 22 80
  • WDC ranked among 121 companies in Computer Hardware
  • POET ranked among 103 companies in Semiconductors
  • SNDK ranked among 121 companies in Computer Hardware

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodWDCPOETSNDKSPY
1 month -12.8%-26.2%-23.1% +0.7%
3 months -25.8%-22.3%+3.9% +3.7%
6 months -9.0%-20.5%+21.3% +7.1%
Year to date +129.5%-10.6%+460.3% +12.8%
1 year +179.7%-14.6%+550.8% +11.9%
3 years +1,151.7%+97.2%— +85.2%
3 years, per year +132.3%+25.4%— +22.8%
5 years +900.5%-32.2%— +67.6%
5 years, per year +58.6%-7.5%— +10.9%
10 years +783.6%+120.6%— +262.0%
10 years, per year +24.3%+8.2%— +13.7%

Risk

MeasureWDCPOETSNDKSPY
Volatility, 1Y 80.4%140.0%110.9% 12.7%
Downside volatility, 1Y 82.1%141.0%106.1% 12.6%
Beta vs S&P 500, 1Y 3.174.664.00 1.00
Return / volatility, 1Y 2.23-0.104.97 0.94
Max drawdown, 5Y -55.5%-92.1%-56.5% -25.4%
From 52-week high -47.0%-72.5%-43.0% -1.2%
52-week high $746.23$20.57$2,335.00 $779.14
52-week low $138.13$4.17$194.38 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleWDCPOETSNDK
P/E now vs peer median 14.4xmedian 32.9x 0.0xmedian 46.4x 10.1xmedian 32.9x
P/S now vs peer median 10.2xmedian 2.9x 0.0xmedian 7.8x 6.7xmedian 2.9x
EV/EBITDA now vs peer median 24.2xmedian 20.0x 0.0xmedian 27.5x —median 20.0x
P/FCF now vs peer median 34.5xmedian 30.2x -24.7xmedian 40.1x 22.7xmedian 30.2x
P/B now vs peer median 15.8xmedian 2.9x 1.7xmedian 4.7x 10.7xmedian 2.9x
PEG now vs peer median 0.19median 1.08 0.00median 2.10 —median 1.08

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsWDCPOETSNDK
Revenue $14.48B $1.71T $28.97B
Gross profit $7.62B – $23.16B
Operating income $5.71B -$19.77T $20.99B
Net income $10.02B -$75.72M $19.42B
Free cash flow $4.29B -$30.34M –
R&D $1.15B $19.85T $1.40B
EPS (diluted) $26.10 $-812,866.51 $125.30
Cash & equivalents $1.31B $432.53M $5.14B
Total debt $12.58B – –
Shares (diluted) 384.00M 93.16M 155.00M
Enterprise value $124.06B -$1.15B $168.29B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricWDCPOETSNDK
P/E 14.4x 0.0x 10.1x
P/FCF 34.5x -24.7x 22.7x
P/Operating cash flow 30.4x -21.1x 11.1x
P/S 10.2x 0.0x 6.7x
P/B 15.8x 1.7x 10.7x
P/Tangible book 15.8x 1.7x 10.7x
EV/EBITDA 24.2x 0.0x –
EV/EBIT 25.8x 0.0x –
EV/Revenue 10.2x 0.0x 6.7x
EV/FCF 34.4x 1.6x –
EV/Operating cash flow 30.3x 1.3x 11.1x
PEG (3Y EPS CAGR) 0.19 0.00 –

Growth

14 metrics
MetricWDCPOETSNDK
Revenue growth (1Y) 43.0% 266.1% 272.4%
Revenue CAGR (3Y) 57.4% 68.5% –
Gross profit growth (1Y) 85.2% – 965.9%
Gross profit CAGR (3Y) 126.7% – –
Operating income growth (1Y) 104.4% -208.0% 1,507%
Operating income CAGR (3Y) 85.5% -363.4% –
Net income growth (1Y) 288.7% -40.4% 1,216%
Net income CAGR (3Y) 83.2% -55.9% –
EPS growth (1Y) 286.8% 9.2% 1,173%
EPS CAGR (3Y) 75.8% -45.7% –
Operating cash flow growth (1Y) 108.7% -14.7% 2,396%
Operating cash flow CAGR (3Y) 88.3% -37.4% –
Free cash flow growth (1Y) 121.1% -29.3% –
Free cash flow CAGR (3Y) 66.0% -38.5% –

Profitability

14 metrics
MetricWDCPOETSNDK
Gross margin 52.6% – –
EBITDA margin 42.1% -1,154% –
Operating margin 39.4% -1,154% –
Pretax margin 73.2% -1,143% –
Net margin 69.2% -4,421% –
FCF margin 29.6% 0.0% –
Operating cash flow margin 33.6% 0.0% 60.6%
Return on equity 110.0% -16,983,708% 114.7%
Return on assets 71.3% – 80.4%
Return on invested capital 53.8% – –
Return on capital employed 57.3% – –
Asset turnover 1.0x – 1.2x
Cash conversion (OCF / net income) 0.5x 0.5x 0.9x
Stock comp / revenue 1.6% 239.3% 0.9%

Financial Health

11 metrics
MetricWDCPOETSNDK
Debt / assets 5.5% – –
Debt / equity 0.1x – –
Net debt / EBITDA -0.1x – –
Debt / FCF 0.2x – –
Liabilities / assets 34.3% – 29.7%
Equity / assets 65.7% – 70.3%
Interest coverage 48.8x -101.5x –
Current ratio 1.4x – 2.6x
Quick ratio 0.9x – –
Cash ratio 0.3x – –
Altman Z-score 21.56 – –

Shareholder Returns

7 metrics
MetricWDCPOETSNDK
Dividend yield 0.1% – –
Net buyback yield 2.0% -107.0% –
Shareholder yield 2.2% -107.0% 0.0%
Payout ratio (earnings) 2.0% – –
Payout ratio (FCF) 4.6% – –
Dividend growth (1Y) 151.3% – –
Dividend CAGR (3Y) – – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusWDCPOETSNDK
Forward P/E 16.4xFY2027 – 6.5xFY2027
EPS, next fiscal year $24.04FY2027 $-0.26FY2026 $206.11FY2027
EPS growth, next FY +135.2%FY2027 – +190.8%FY2027
EPS growth, the year after +70.9% – +36.1%
Revenue, next fiscal year $20.04BFY2027 $6.19MFY2026 $50.93BFY2027
Revenue growth, next FY +55.1%FY2027 +478.2%FY2026 +151.5%FY2027
Revenue growth, the year after +39.2% +1,180.3% +10.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersWDCPOETSNDK
Held by institutions 93.7% 36.6% –
Institutions holding 1,847 154 –
Change in shares held, QoQ -1.3% +108.4% –
Institutions buying 1,128 116 –
Institutions selling 597 28 –
Buyers to sellers 1.89 4.14 –

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

WDCPOETSNDK
WDC 1.00 0.29 0.73
POET 0.29 1.00 0.27
SNDK 0.73 0.27 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, WDC, POET and SNDK?

Sandisk (SNDK) is the largest by market capitalisation: Western Digital (WDC) $134.23B, Poet Technologies (POET) $479.29M, Sandisk (SNDK) $168.29B.

Which stock is cheaper, WDC, POET and SNDK?

Sandisk (SNDK) trades on the lowest price-to-earnings ratio (Western Digital (WDC) 13.4x, Poet Technologies (POET) 0.0x, Sandisk (SNDK) 8.7x). On next year's consensus earnings, Sandisk (SNDK) is cheapest (Western Digital (WDC) 16.4x, Sandisk (SNDK) 6.5x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Sandisk (SNDK) grew revenue fastest over the trailing twelve months: Western Digital (WDC) +43.0%, Poet Technologies (POET) +266.1%, Sandisk (SNDK) +272.4%.

Which company is more profitable?

Western Digital (WDC) has the highest net margin (Western Digital (WDC) 69.2%, Poet Technologies (POET) -4,420.7%).

Which stock has performed better?

Over the past year Sandisk (SNDK) returned the most: Western Digital (WDC) +179.7%, Poet Technologies (POET) -14.6%, Sandisk (SNDK) +550.8%. Over five years, Western Digital (WDC) compounded fastest (Western Digital (WDC) +58.6%/yr, Poet Technologies (POET) -7.5%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Western Digital (WDC) 0.00%, Poet Technologies (POET) 0.00%, Sandisk (SNDK) 0.00%. Poet Technologies (POET) and Sandisk (SNDK) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Western Digital (WDC) has been the steadiest (Western Digital (WDC) 80.4%, Poet Technologies (POET) 140.0%, Sandisk (SNDK) 110.9%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, WDC, POET and SNDK?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Sandisk (SNDK) leads on 6. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.