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STOCK COMPARISON

Diamond Building Products Public Company vs Trane Technologies: Fair Value & Quality

Both stocks run through our valuation models. Here is how Diamond Building Products Public Company (DRT) and Trane Technologies (TT) compare, as of Sep 25, 2026.

As of Sep 25, 2026, Fair Value Calculator sees Diamond Building Products Public Company as the less overvalued of the two: Diamond Building Products Public Company trades at THB 5.35 versus a fair value of THB 4.13 (-23%), while Trane Technologies trades at $437 versus $215 (-51%).
Diamond Building Products Public Company
DRT.BK · THB · Materials
-23%
upside to fair value
overvalued
PriceTHB 5.35
Fair ValueTHB 4.13
Quality63/100
Trane Technologies
TT · USD · Industrials
-51%
upside to fair value
overvalued
Price$437
Fair Value$215
Quality75/100
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Head-to-head numbers

Green is the better side of a row, red the weaker one (for valuation multiples: lower = cheaper). Grey rows are for reference only and are not scored.

betterweakerfor reference, not scored

Diamond Building Products Public CompanyTrane Technologies
Valuation
12.0×P/E (TTM)33.3×
0.99×P/S (TTM)4.52×
1.96×P/B11.36× · book value is mostly goodwill
6.9×EV/EBITDA23.6×
3.75×PEG2.00×
−22.8%Fair value upside−50.9%
5.9%Dividend yield0.9%
THB 0.32Dividend per share$3.87
Profitability
14%Operating margin16%
0.47×EBIT margin trend (5Y)1.51×
15%Return on equity37%
7%Return on assets11%
Growth
-6%Revenue growth (YoY)6%
-4.7%Avg. growth/yr (3Y)10.1%
0.7%Avg. growth/yr (5Y)11.4%
−3.3%Value creation/yr+24.8%
Balance & size
18.4×Interest coverage (EBIT/interest)17.4×
0.16×Debt / equity0.46×
$133MMarket cap$98B
weakGrowth qualityhealthy
Valuation multiples (P/E, P/S, P/B, EV/EBITDA) are shown but not scored here: the two companies sit in different sectors, and multiples only compare fairly between similar business models. PEG stays scored, as it relates the P/E to growth.

Trane Technologies leads: 4 to 8 metric wins.

n/a = 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.

Diamond Building Products Public Companyof which business quality 61 · market factors 67 Trane Technologiesof which business quality 71 · market factors 47
ProfitabilityMargins and returns on capital today
56
76
Quality GrowthAre margins and returns improving?
7
52
CashflowEarnings quality: real cash, not paper profit
53
61
Fin. StrengthBalance sheet, leverage, solvency risk
73
71
InvestmentDisciplined investing over empire-building
86
70
Low VolatilityCalm price path (market factor)
100
58
MomentumPrice trend over the last 3–12 months (market factor)
51
41
52W MomentumDistance to the 52-week high (market factor)
58
45
Net IssuanceShare count: buybacks or dilution?
98
100

What the models say

How far the median fair value (base case) per model family sits from the current price, in percent. The amount in the currency of the trading venue is shown underneath.

above the price, more than 15% above close to the price, 85% to 115% of the price below the price, more than 15% below

Model familyDiamond Building Products Public CompanyPrice THB 5.35Trane TechnologiesPrice $437
DCF Models-21%below the priceTHB 4.25-49%below the price$223
Earnings-Based-57%below the priceTHB 2.28-74%below the price$112
Dividend Discount-25%below the priceTHB 4.02-86%below the price$63.35
Multiples+24%above the priceTHB 6.65-50%below the price$219
Asset-Based-65%below the priceTHB 1.87-94%below the price$26.07
Growth DCF-28%below the priceTHB 3.85-55%below the price$198
Economic Profit-53%below the priceTHB 2.54-65%below the price$153
Growth Earnings-1%close to the priceTHB 5.31-46%below the price$235
Minimum-65%below the priceTHB 1.87-94%below the price$26.07
Maximum+24%above the priceTHB 6.65-46%below the price$235
Median-26%below the priceTHB 3.94-60%below the price$175
Geometric mean-34%below the priceTHB 3.55-71%below the price$126

Minimum, maximum, median and geometric mean refer to the family values in this table. Geometric because deviations are ratios: half the price and twice the price average to 100%, not 125%.

Diamond Building Products Public Company: 19 of 25 models see the stock below the current price.

Trane Technologies: 26 of 26 models see the stock below the current price.

Scenario ranges

From our cautious bear scenario to the optimistic bull scenario. The white tick is the current price (value above it), the green tick the fair value (value below it): if the price sits left of the fair value, there is room to rise.

Diamond Building Products Public Company
Price THB 5.35
Fair Value THB 4.13
Bear THB 2.87Bull THB 5.79
Trane Technologies
Price $437
Fair Value $215
Bear $139Bull $306

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Ranked within their sector

Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.

Diamond Building Products Public Company · Materials

Quality score63 · Top 25%
Fair value upside-23% · below median

Trane Technologies · Industrials

Quality score75 · Top 25%
Fair value upside-51% · below median

Bottom line

As of Sep 25, 2026, Fair Value Calculator sees Diamond Building Products Public Company as the less overvalued of the two: Diamond Building Products Public Company trades at THB 5.35 versus a fair value of THB 4.13 (-23%), while Trane Technologies trades at $437 versus $215 (-51%).

Trane Technologies has the higher quality score (75/100).

Open Diamond Building Products Public Company live analysis →
Diamond Building Products Public Company · Trane Technologies

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A model-based valuation snapshot from 26 models. Values change with price and fundamentals; the date shown above applies.