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STOCK COMPARISON

Thai Nam Plastic Public Company vs O’Reilly Automotive: Fair Value & Quality

Both stocks run through our valuation models. Here is how Thai Nam Plastic Public Company (TNPC) and O’Reilly Automotive (ORLY) compare, as of Sep 2, 2026.

As of Sep 2, 2026, Fair Value Calculator sees Thai Nam Plastic Public Company as the less overvalued of the two: Thai Nam Plastic Public Company trades at THB 0.93 versus a fair value of THB 0.75 (-19%), while O’Reilly Automotive trades at $87.95 versus $47.50 (-46%).
Thai Nam Plastic Public Company
TNPC.BK · THB · Materials
-19%
upside to fair value
overvalued
PriceTHB 0.93
Fair ValueTHB 0.75
Quality46/100
O’Reilly Automotive
ORLY · USD · Consumer Discretionary
-46%
upside to fair value
overvalued
Price$87.95
Fair Value$47.50
Quality66/100
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Head-to-head numbers

Green value = the better side for that row (for valuation multiples: lower = cheaper).

Thai Nam Plastic Public CompanyO’Reilly Automotive
Valuation
—P/E (TTM)27.9×
—P/S (TTM)3.92×
—EV/EBITDA18.9×
10.32×PEG1.84×
−19.4%Fair value upside−46.0%
Profitability
1%Operating margin18%
—EBIT margin trend (5Y)0.93×
-31%Return on equity59%
-2%Return on assets14%
Growth
5%Revenue growth (YoY)10%
-1.8%Avg. growth/yr (3Y)7.3%
13.1%Avg. growth/yr (5Y)8.9%
—Value creation/yr+12.5%
Balance & size
—Interest coverage (EBIT/interest)14.7×
0.04×Debt / equity—
$9MMarket cap$71B
expensiveGrowth 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.

O’Reilly Automotive leads: 2 to 5 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.

Thai Nam Plastic Public Companyof which business quality 43 · market factors 59 O’Reilly Automotiveof which business quality 64 · market factors 46
ProfitabilityMargins and returns on capital today
23
83
Quality GrowthAre margins and returns improving?
58
43
CashflowEarnings quality: real cash, not paper profit
9
46
Fin. StrengthBalance sheet, leverage, solvency risk
30
68
InvestmentDisciplined investing over empire-building
98
64
Low VolatilityCalm price path (market factor)
76
88
MomentumPrice trend over the last 3–12 months (market factor)
49
34
52W MomentumDistance to the 52-week high (market factor)
58
19
Net IssuanceBuybacks instead of dilution
82
80

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 familyThai Nam Plastic Public CompanyPrice THB 0.93O’Reilly AutomotivePrice $87.95
DCF Modelsn/a-47%below the price$46.44
Earnings-Basedn/a-61%below the price$34.12
Multiplesn/a-43%below the price$50.49
Asset-Based-17%below the priceTHB 0.77n/a
Growth DCFn/a-65%below the price$30.58
Economic Profitn/a-59%below the price$36.11
Growth Earningsn/a-35%below the price$57.52
Minimum-17%below the priceTHB 0.77-65%below the price$30.58
Maximum-17%below the priceTHB 0.77-35%below the price$57.52
Median-17%below the priceTHB 0.77-53%below the price$41.27
Geometric mean-17%below the priceTHB 0.77-53%below the price$41.46

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%.

Thai Nam Plastic Public Company: 1 of 1 models see the stock below the current price.

O’Reilly Automotive: 20 of 21 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.

Thai Nam Plastic Public Company
Bear THB 0.56Fair Value THB 0.75Bull THB 1.12
THB 0.93 = current price (white tick)
O’Reilly Automotive
Bear $30.59Fair Value $47.50Bull $61.88
$87.95 = current price (white tick)

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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.

Thai Nam Plastic Public Company · Materials

Quality score46 · below median
Fair value upside-19% · above median

O’Reilly Automotive · Consumer Discretionary

Quality score66 · Top 25%
Fair value upside-46% · below median

Bottom line

As of Sep 2, 2026, Fair Value Calculator sees Thai Nam Plastic Public Company as the less overvalued of the two: Thai Nam Plastic Public Company trades at THB 0.93 versus a fair value of THB 0.75 (-19%), while O’Reilly Automotive trades at $87.95 versus $47.50 (-46%).

O’Reilly Automotive has the higher quality score (66/100).

See the full analysis →
Thai Nam Plastic Public Company · O’Reilly Automotive

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