Both stocks run through our valuation models. Here is how SYN (SYN) and Cnooc (0883) compare, as of Aug 18, 2026.
As of Aug 18, 2026, Fair Value Calculator sees Cnooc as the more attractively valued of the two: SYN trades at £0.00 versus a fair value of £0.00 (+0%), while Cnooc trades at HK$23.92 versus HK$26.50 (+11%).
SYN
SYN.LSE · GBX · Energy
+0%
upside to fair value
fairly valued
Price£0.00
Fair Value£0.00
Quality30/100
Cnooc
0883.HK · HKD · Energy
+11%
upside to fair value
undervalued
PriceHK$23.92
Fair ValueHK$26.50
Quality63/100
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Head-to-head numbers
Green value = the better side for that row (for valuation multiples: lower = cheaper).
SYNCnooc
Valuation
—P/E (TTM)7.7×
6.69×P/S (TTM)2.67×
0.19×P/B1.35×
—EV/EBITDA4.3×
—PEG0.16×
—Dividend yield5.0%
—Dividend per shareHK$1.15
Profitability
0%Net margin31%
—Operating margin45%
-9%Return on equity15%
-5%Return on assets9%
Growth
-26%Revenue growth (YoY)9%
1.1%Avg. growth/yr (3Y)-3.7%
—Avg. growth/yr (5Y)20.0%
Balance & size
—Debt / equity0.07×
$2MMarket cap$139B
weakGrowth qualityexpensive
Cnooc 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.
SYNof which business quality 35 · market factors 42Cnoocof which business quality 64 · market factors 62
ProfitabilityMargins and returns on capital today
60
55
Quality GrowthAre margins and returns improving?
28
36
CashflowEarnings quality: real cash, not paper profit
InvestmentDisciplined investing over empire-building
67
40
Low VolatilityCalm price path (market factor)
50
83
MomentumPrice trend over the last 3–12 months (market factor)
52
49
52W MomentumDistance to the 52-week high (market factor)
16
62
Net IssuanceBuybacks instead of dilution
0
79
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.
SYN
Earnings-Based£0.00
Growth Earnings£0.00
0 of 4 models see the stock below the current price.
Cnooc
DCF ModelsHK$41.36
Earnings-BasedHK$27.87
Dividend DiscountHK$25.25
MultiplesHK$33.44
Asset-BasedHK$12.08
Growth DCFHK$33.29
Economic ProfitHK$32.53
Growth EarningsHK$33.61
9 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.
Cnooc
Bear HK$19.91Fair Value HK$26.50Bull HK$33.92
HK$23.92 = 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.
SYN · Energy
Quality score30 · bottom 25%
Fair value upside+0% · above median
Cnooc · Energy
Quality score63 · Top 25%
Fair value upside+11% · above median
Bottom line
As of Aug 18, 2026, Fair Value Calculator sees Cnooc as the more attractively valued of the two: SYN trades at £0.00 versus a fair value of £0.00 (+0%), while Cnooc trades at HK$23.92 versus HK$26.50 (+11%).
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A model-based valuation snapshot from 21 models. Values change with price and fundamentals; the date shown above applies.
