STOCK COMPARISON
Diploma vs WW Grainger: Fair Value & Quality
Both stocks run through our valuation models. Here is how Diploma (DPLM) and WW Grainger (GWW) compare, as of Aug 8, 2026.
As of Aug 8, 2026, Fair Value Calculator sees WW Grainger as the less overvalued of the two: Diploma trades at £68.00 versus a fair value of £28.96 (-57%), while WW Grainger trades at $1,283 versus $626 (-51%).
Diploma
DPLM.LSE · GBX · Industrials
-57%
upside to fair value
overvalued
Price£68.00
Fair Value£28.96
Quality70/100
WW Grainger
GWW · USD · Industrials
-51%
upside to fair value
overvalued
Price$1,283
Fair Value$626
Quality72/100
Head-to-head numbers
Green value = the better side for that row (for valuation multiples: lower = cheaper).
DiplomaWW Grainger
Valuation
48.2×P/E (TTM)37.0×
7.45×P/S (TTM)3.53×
12.39×P/B15.69×
31.4×EV/EBITDA21.6×
2.49×PEG2.15×
0.9%Dividend yield0.7%
£0.63Dividend per share$9.04
Profitability
12%Net margin10%
20%Operating margin17%
19%Return on equity46%
11%Return on assets20%
Growth
17%Revenue growth (YoY)10%
14.6%Avg. growth/yr (3Y)5.6%
23.1%Avg. growth/yr (5Y)8.7%
Balance & size
0.38×Debt / equity0.57×
$12BMarket cap$65B
healthyGrowth qualityhealthy
Diploma leads: 8 to 6 metric wins.
Dash = not meaningfully computable, for example with negative equity.
Quality in detail
The quality score, broken down into the same factor families as on the stock page, 0 to 100 per family.
Diplomaof which business quality 65 · market factors 77
WW Graingerof which business quality 68 · market factors 71
ProfitabilityMargins and returns on capital today
56
89
Quality GrowthAre margins and returns improving?
57
44
CashflowEarnings quality: real cash, not paper profit
75
46
Fin. StrengthBalance sheet, leverage, solvency risk
70
72
InvestmentDisciplined investing over empire-building
59
55
Low VolatilityCalm price path (market factor)
69
69
MomentumPrice trend over the last 3–12 months (market factor)
75
70
52W MomentumDistance to the 52-week high (market factor)
91
77
Net IssuanceBuybacks instead of dilution
68
100
What the models say
The median fair value (base case) per model family, each in the currency of its trading venue. Green = above the current price, red = below.
Diploma
DCF Models£32.58
Earnings-Based£16.24
Dividend Discount£9.82
Multiples£26.89
Asset-Based£4.95
Growth DCF£34.05
Economic Profit£16.86
Growth Earnings£24.44
26 of 26 models see the stock below the current price.
WW Grainger
DCF Models$610
Earnings-Based$340
Dividend Discount$169
Multiples$713
Asset-Based$58.76
Growth DCF$562
Economic Profit$467
Growth Earnings$640
26 of 26 models see the stock below the current price.
Scenario ranges
From our cautious bear case to the optimistic bull case. The white tick is the current price: left of fair value means room to run.
Diploma
Bear £19.26Fair Value £28.96Bull £36.20
£68.00 = current price (white tick)
WW Grainger
Bear $368Fair Value $626Bull $949
$1,283 = current price (white tick)
Compare two other stocks
Tap a field and type again, ticker or company name.
Ranked within their sector
Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.
Diploma · Industrials
Quality score70 · Top 25%
Fair value upside-57% · bottom 25%
WW Grainger · Industrials
Quality score72 · Top 25%
Fair value upside-51% · below median
Bottom line
As of Aug 8, 2026, Fair Value Calculator sees WW Grainger as the less overvalued of the two: Diploma trades at £68.00 versus a fair value of £28.96 (-57%), while WW Grainger trades at $1,283 versus $626 (-51%).
WW Grainger has the higher quality score (72/100).
See the full analysis →
More comparisons
Popular match-ups from the same sectors, all with fair value and quality score.
Free · Top-25 report
See the undervalued quality stocks every month
Just your email for the monthly Top-25 report of the most undervalued quality stocks, with fair value, quality and price target. Plus 14 days of Pro to try, no card.
Free. You confirm by email (double opt-in) and can unsubscribe anytime in one click. Not financial advice.
A model-based valuation snapshot from 21 models. Values change with price and fundamentals; the date shown above applies.
