NPK vs AOS Stock Comparison

National Presto Industries and Smith A O Prices as of Oct 26, 2026 Peers: Industry group
AOS Smith A O Corp
$61.92 +5.6% 1M -10.1% 1Y
Market cap
$8.49B
P/E
17.0x
Revenue (TTM)
$3.80B
Div. yield
0.02%
HVAC Industrials
7 wins

Head to Head

10 decided of 12

Smith A O leads on 7 of the 12 questions below (Smith A O 7, National Presto Industries 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionNPKAOSLeader
Larger companyMarket capitalisation $1.08B $8.49B AOS
Cheaper on earningsLower P/E, profitable companies only 25.3x 17.0x AOS
Cheaper on forward earningsLower price / next fiscal year consensus EPS 31.1x 17.2x AOS
Faster revenue growthRevenue growth, trailing twelve months +20.9% +0.4% NPK
More profitableNet margin, trailing twelve months 7.9% 13.1% AOS
Better return on capitalReturn on invested capital — 20.9% –
Less leveragedLower net debt / EBITDA — 0.6x –
Higher dividend yieldTrailing dividend yield 0.01% 0.02% AOS
Better 1-year returnPrice return, last 12 months +33.0% -10.1% NPK
Better 5-year returnAnnualised price return, 5 years +13.0%/yr -0.7%/yr NPK
Less volatileAnnualised volatility, 1 year 35.2% 27.4% AOS
Higher overall scoreMean of the five percentile scores vs peers 49/100 66/100 AOS

Percentile Scorecard

NPKAOS

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

AxisNPKAOS
Valuation 27 #31 of 42 67 #19 of 56
Growth 61 #17 of 42 39 #32 of 52
Profitability 69 #13 of 40 100 #1 of 51
Financial Health 67 #15 of 43 75 #15 of 58
Shareholder Returns 22 #22 of 28 48 #22 of 41
Overall 49 66
  • NPK ranked among 45 companies in Household Durables
  • AOS ranked among 60 companies in Construction Products

Price Performance

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

Returns

PeriodNPKAOSSPY
1 month +5.0%+5.6% -0.8%
3 months +21.6%-0.9% +3.5%
6 months +4.3%-4.3% +7.0%
Year to date +42.3%-7.4% +12.2%
1 year +33.0%-10.1% +13.0%
3 years +107.1%-8.7% +86.3%
3 years, per year +27.5%-3.0% +23.1%
5 years +84.5%-3.6% +68.6%
5 years, per year +13.0%-0.7% +11.0%
10 years +75.6%+36.4% +258.0%
10 years, per year +5.8%+3.2% +13.6%

Risk

MeasureNPKAOSSPY
Volatility, 1Y 35.2%27.4% 12.7%
Downside volatility, 1Y 35.6%26.5% 12.7%
Beta vs S&P 500, 1Y 0.740.71 1.00
Return / volatility, 1Y 0.94-0.37 1.02
Max drawdown, 5Y -31.4%-43.4% -25.4%
From 52-week high -3.1%-23.1% -1.8%
52-week high $156.80$80.47 $779.14
52-week low $91.59$55.34 $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.

MultipleNPKAOS
P/E now vs peer median 25.4xmedian 16.1x 17.0xmedian 19.4x
P/S now vs peer median 2.0xmedian 0.7x 2.2xmedian 1.5x
EV/EBITDA now vs peer median 17.9xmedian 12.1x 11.7xmedian 12.1x
P/FCF now vs peer median 41.0xmedian 11.9x 13.2xmedian 16.1x
P/B now vs peer median 2.6xmedian 1.2x 4.6xmedian 2.9x
PEG now vs peer median 1.35median 0.64 0.65median 0.93

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 monthsNPKAOS
Revenue $544.68M $3.80B
Gross profit $89.69M $1.47B
Operating income $52.52M $668.70M
Net income $42.81M $500.30M
Free cash flow $26.43M $639.40M
EPS (diluted) $6.20 $3.63
Cash & equivalents $15.79M $181.30M
Total debt – $637.50M
Shares (diluted) 6.91M 137.86M
Enterprise value $1.05B $7.74B

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
MetricNPKAOS
P/E 25.4x 17.0x
P/FCF 41.0x 13.2x
P/Operating cash flow 32.4x 12.2x
P/S 2.0x 2.2x
P/B 2.6x 4.6x
P/Tangible book 2.6x 6.7x
EV/EBITDA 17.9x 11.7x
EV/EBIT 20.3x 13.3x
EV/Revenue 2.0x 2.3x
EV/FCF 40.4x 13.9x
EV/Operating cash flow 31.9x 12.8x
PEG (3Y EPS CAGR) 1.35 0.65

Growth

14 metrics
MetricNPKAOS
Revenue growth (1Y) 20.9% 0.4%
Revenue CAGR (3Y) 16.7% 0.6%
Gross profit growth (1Y) 3.5% 1.4%
Gross profit CAGR (3Y) 13.2% 1.3%
Operating income growth (1Y) 10.0% -5.2%
Operating income CAGR (3Y) 26.7% -2.5%
Net income growth (1Y) 3.0% -3.5%
Net income CAGR (3Y) 18.9% 22.3%
EPS growth (1Y) 3.0% -0.3%
EPS CAGR (3Y) 18.9% 26.2%
Operating cash flow growth (1Y) 242.1% 16.1%
Operating cash flow CAGR (3Y) -8.6% 5.0%
Free cash flow growth (1Y) 147.6% 29.3%
Free cash flow CAGR (3Y) -14.5% 6.2%

Profitability

14 metrics
MetricNPKAOS
Gross margin 16.5% 38.6%
EBITDA margin 10.9% 20.0%
Operating margin 9.6% 17.6%
Pretax margin 10.0% 17.0%
Net margin 7.9% 13.1%
FCF margin 4.9% 16.8%
Operating cash flow margin 6.1% 18.2%
Return on equity 10.6% 26.9%
Return on assets 8.8% 13.7%
Return on invested capital – 20.9%
Return on capital employed 12.9% 24.1%
Asset turnover 1.1x 1.0x
Cash conversion (OCF / net income) 0.8x 1.4x
Stock comp / revenue – 0.4%

Financial Health

11 metrics
MetricNPKAOS
Debt / assets – 17.5%
Debt / equity – 0.3x
Net debt / EBITDA – 0.6x
Debt / FCF – 1.0x
Liabilities / assets 17.5% 49.5%
Equity / assets 82.5% 50.5%
Interest coverage – 31.5x
Current ratio 5.2x 1.6x
Quick ratio 0.2x 1.0x
Cash ratio 0.2x 0.2x
Altman Z-score 10.78 6.19

Shareholder Returns

7 metrics
MetricNPKAOS
Dividend yield 0.7% 2.3%
Net buyback yield 0.0% 3.7%
Shareholder yield 0.6% 6.0%
Payout ratio (earnings) 16.7% 39.6%
Payout ratio (FCF) 27.1% 31.0%
Dividend growth (1Y) 0.3% 2.2%
Dividend CAGR (3Y) -36.8% 3.2%

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.

ConsensusNPKAOS
Forward P/E 31.1xFY2028 17.2xFY2026
EPS, next fiscal year $4.88FY2028 $3.60FY2026
EPS growth, next FY – -6.5%FY2026
EPS growth, the year after – +15.0%
Revenue, next fiscal year $425.62MFY2028 $3.73BFY2026
Revenue growth, next FY – -2.6%FY2026
Revenue growth, the year after – +3.9%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersNPKAOS
Held by institutions 61.0% 91.9%
Institutions holding 182 614
Change in shares held, QoQ +6.2% +7.1%
Institutions buying 92 315
Institutions selling 40 226
Buyers to sellers 2.30 1.39

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.

NPKAOS
NPK 1.00 0.18
AOS 0.18 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, NPK and AOS?

Smith A O (AOS) is the largest by market capitalisation: National Presto Industries (NPK) $1.08B, Smith A O (AOS) $8.49B.

Which stock is cheaper, NPK and AOS?

Smith A O (AOS) trades on the lowest price-to-earnings ratio (National Presto Industries (NPK) 25.3x, Smith A O (AOS) 17.0x). On next year's consensus earnings, Smith A O (AOS) is cheapest (National Presto Industries (NPK) 31.1x, Smith A O (AOS) 17.2x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

National Presto Industries (NPK) grew revenue fastest over the trailing twelve months: National Presto Industries (NPK) +20.9%, Smith A O (AOS) +0.4%.

Which company is more profitable?

Smith A O (AOS) has the highest net margin (National Presto Industries (NPK) 7.9%, Smith A O (AOS) 13.1%).

Which stock has performed better?

Over the past year National Presto Industries (NPK) returned the most: National Presto Industries (NPK) +33.0%, Smith A O (AOS) -10.1%. Over five years, National Presto Industries (NPK) compounded fastest (National Presto Industries (NPK) +13.0%/yr, Smith A O (AOS) -0.7%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Smith A O (AOS) has the highest dividend yield: National Presto Industries (NPK) 0.01%, Smith A O (AOS) 0.02%.

Which stock is riskier?

By one-year price volatility, Smith A O (AOS) has been the steadiest (National Presto Industries (NPK) 35.2%, Smith A O (AOS) 27.4%). Volatility measures how widely the price swings, not the risk of the business.

Do NPK and AOS move together?

Their daily returns over the past year have a correlation of 0.18, a weak relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, NPK and AOS?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Smith A O (AOS) leads on 7. 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.