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STOCK COMPARISON

SIG Combibloc Group vs Smurfit WestRock: Fair Value & Quality

Both stocks run through our valuation models. Here is how SIG Combibloc Group (SIGN) and Smurfit WestRock (SW) compare, as of Sep 5, 2026.

As of Sep 5, 2026, Fair Value Calculator sees Smurfit WestRock as the less overvalued of the two: SIG Combibloc Group trades at CHF 13.62 versus a fair value of CHF 8.32 (-39%), while Smurfit WestRock trades at $45.26 versus $28.44 (-37%).
SIG Combibloc Group
SIGN.SW · CHF · Materials
-39%
upside to fair value
overvalued
PriceCHF 13.62
Fair ValueCHF 8.32
Quality41/100
Smurfit WestRock
SW · USD · Materials
-37%
upside to fair value
overvalued
Price$45.26
Fair Value$28.44
Quality32/100
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Head-to-head numbers

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

SIG Combibloc GroupSmurfit WestRock
Valuation
—P/E (TTM)64.2×
2.03×P/S (TTM)0.73×
2.48×P/B1.06×
12.8×EV/EBITDA7.4×
—PEG0.28×
−38.9%Fair value upside−37.2%
4.4%Dividend yield3.9%
—Dividend per share$1.75
Profitability
10%Operating margin7%
1.93×EBIT margin trend (5Y)0.68×
-3%Return on equity2%
3%Return on assets3%
Growth
-5%Revenue growth (YoY)1%
5.6%Avg. growth/yr (3Y)35.2%
12.5%Avg. growth/yr (5Y)29.6%
—Value creation/yr+0.8%
Balance & size
3.2×Interest coverage (EBIT/interest)2.6×
0.78×Debt / equity0.62×
$7BMarket cap$23B
mixedGrowth qualitymixed

Smurfit WestRock leads: 4 to 7 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.

SIG Combibloc Groupof which business quality 39 · market factors 57 Smurfit WestRockof which business quality 34 · market factors 49
ProfitabilityMargins and returns on capital today
14
26
Quality GrowthAre margins and returns improving?
36
74
CashflowEarnings quality: real cash, not paper profit
39
44
Fin. StrengthBalance sheet, leverage, solvency risk
33
34
InvestmentDisciplined investing over empire-building
87
24
Low VolatilityCalm price path (market factor)
49
51
MomentumPrice trend over the last 3–12 months (market factor)
59
47
52W MomentumDistance to the 52-week high (market factor)
62
51
Net IssuanceBuybacks instead of dilution
49
0

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 familySIG Combibloc GroupPrice CHF 13.62Smurfit WestRockPrice $45.26
DCF Models-38%below the priceCHF 8.42-40%below the price$27.22
Earnings-Based-56%below the priceCHF 5.98-66%below the price$15.40
Dividend Discount-38%below the priceCHF 8.48-33%below the price$30.19
Multiples-19%below the priceCHF 10.98-40%below the price$27.09
Asset-Based-66%below the priceCHF 4.66-39%below the price$27.50
Growth DCF-50%below the priceCHF 6.86-35%below the price$29.57
Economic Profit-56%below the priceCHF 5.98-47%below the price$23.97
Growth Earningsn/a-56%below the price$20.02
Minimum-66%below the priceCHF 4.66-66%below the price$15.40
Maximum-19%below the priceCHF 10.98-33%below the price$30.19
Median-50%below the priceCHF 6.86-40%below the price$27.16
Geometric mean-48%below the priceCHF 7.08-46%below the price$24.59

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%.

SIG Combibloc Group: 13 of 15 models see the stock below the current price.

Smurfit WestRock: 23 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.

SIG Combibloc Group
Bear CHF 4.66Fair Value CHF 8.32Bull CHF 12.52
CHF 13.62 = current price (white tick)
Smurfit WestRock
Bear $19.63Fair Value $28.44Bull $35.55
$45.26 = 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.

SIG Combibloc Group · Materials

Quality score41 · below median
Fair value upside-39% · below median

Smurfit WestRock · Materials

Quality score32 · bottom 25%
Fair value upside-37% · below median

Bottom line

As of Sep 5, 2026, Fair Value Calculator sees Smurfit WestRock as the less overvalued of the two: SIG Combibloc Group trades at CHF 13.62 versus a fair value of CHF 8.32 (-39%), while Smurfit WestRock trades at $45.26 versus $28.44 (-37%).

SIG Combibloc Group has the higher quality score (41/100).

See the full analysis →
SIG Combibloc Group · Smurfit WestRock

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