AIM Vaccine Co. Ltd. (6660) fair value: what the stock is really worth
As of Sep 30, 2026: fair value of AIM Vaccine Co. Ltd. HK$1.00, price HK$1.71, upside -41.4%, quality 26 out of 100. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.
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Price vs Fair Value
White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Sep 27, 2026.
How to read this chart
48‑month range HK$1.39 – HK$58.65 · fair‑value band HK$0.7500 – HK$1.50 · the HK$1.71 price screens above the HK$1.00 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). Dashed = 300-day average. As of Sep 27, 2026.
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AIM Vaccine Co., Ltd. engages in the research and development, manufacture, and sale of vaccine products for human use in the People's Republic of China and internationally.
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AIM Vaccine Co., Ltd. engages in the research and development, manufacture, and sale of vaccine products for human use in the People's Republic of China and internationally. The company's product pipeline includes tetravalent meningococcal conjugate vaccine, which is in phase IV clinical trial for meningococcal disease 13-Valent pneumonia conjugate and 23-valent pneumonia polysaccharide vaccine to treat pneumonia; iterative serum-free rabies vaccine; and bivalent Delta-Omicron BA.5 mRNA COVID-19 vaccine that is in phase III clinical trial to treat COVID-19 infection. It also offers tetravalent meningococcal polysaccharide and conjugate vaccine, which is in phase II trials for the treatment of meningococcal disease; and EV71-CA16 Bivalent HFMD vaccine. In addition, the company develops 20-valent and 24-valent pneumonia conjugate vaccine, haemophilus influenzae type b conjugate vaccine, absorbed tetanus vaccine, quadrivalent influenza virus vaccine (MDCK Cells), and human diploid rabies vaccine. Further, it offers hexavalent meningococcal vaccine to treat meningococcal disease; hexavalent group b streptococcus polysaccharide conjugate vaccine; mRNA human rabies vaccine; mRNA Shingles/Herpes Zoster vaccine; mRNA respiratory syncytial virus vaccine; diphtheria, tetanus, pertussis and haemophilus influenzae type b, and acellular pertussis combination vaccine for the treatment of DTP; and recombinant group B meningococcal vaccine to treat meningococcal disease. The company was formerly known as Beijing AIM Biological Vaccine Technology Group Co., Ltd. and changed its name to AIM Vaccine Co., Ltd. in September 2020. The company was incorporated in 2011 and is headquartered in Beijing, the People's Republic of China.
Stock analysis
AIM Vaccine Co. Ltd. (6660) currently trades at HK$1.71, while our model-based Fair Value estimate is HK$1.00, 41.4% below the price, so the stock looks overvalued today.
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Valuation
How firm this estimate is: it rests on 1 models at a data quality of 87/100, which puts the evidence level at low.
Scenario range: HK$0.7500 (bear) to HK$1.50 (bull), the price of HK$1.71 sits above it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.
Quality & growth
The Quality Score stands at 26/100 (below-average quality), in the Healthcare sector.
Weak Growth: Revenue is shrinking: the last year, the last three and the last five years are all negative.
AIM Vaccine Co. Ltd. reported revenue of 1.2B CNY in FY2025 versus 1.6B CNY in FY2021, a compound −7.2%/yr. Reported net income was −675M CNY in FY2025.
Key figures
Market cap HK$2.1B (≈ $266M) · P/S ratio 1.83 · EPS (TTM) HK$−0.1100 · Net margin −57.9% · Return on equity −22.7% · Return on assets (EBIT) −13.3% · Operating margin −11.7% · Revenue (TTM) 1.2B CNY.
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 32 out of 100 (medium confidence).
What moves the price
The share trades about 62% below its 52-week high and 23% above its 52-week low, currently below its 200-day average.
For context, the median of 10 Healthcare peers we cover trades at 10% fair-value upside, at −41%, 6660 screens richer than that median.
Fair Value models
Bear HK$0.7500Fair Value HK$1.00Bull HK$1.50
Model ⓘEach model values the company its own way (discounted cash flow, earnings, assets, dividends). The fair value above is their evidence-weighted blend, not the output of a single model.Bear ⓘBear = the cautious scenario: the same model computed with conservative anchors (lower growth, margins and valuation multiples). Together with Bull it frames a plausible valuation range, not a price target.BaseBull ⓘBull = the optimistic scenario: the same model computed with favourable anchors (higher growth, margins and valuation multiples). Together with Bear it frames a plausible valuation range, not a price target. If a model's bull case is above four times its base value, the table shows that limit with a > sign (like the overall Bull above): beyond it no assumption holds.Evidence ⓘEvidence = how well-backed THIS model's estimate is for this stock (0–100): how complete and reliable its input data are, and how well the model fits the company. The final Fair Value is an evidence-weighted blend, so better-evidenced models count more. Green ≥70, amber 50–69, grey below 50.
Growth Quality ⓘGrowth is valuable only when reinvestment earns attractive returns (Aswath Damodaran): sustainable growth depends on return on capital, reinvestment and efficiency. Basis: total company revenue over the periods shown on the cards (3Y/5Y/all years), not per share, so a merger can show up as a growth jump; per-share earnings growth is in the value-creation card.0/100
Revenue is shrinking: the last year, the last three and the last five years are all negative.
Revenue growth 1 year
−9.3%
Revenue growth 3 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
−2.7%
Revenue growth 5 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
−6.6%
Start year 2020 (pandemic)
Revenue growth 6 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
+3.4%
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Profit margin (trend) ⓘOperating margin then vs now, from reported annual statements. A falling margin after a boom year is the classic peak-earnings signal: the growth rate then leans on an inflated base.
29.3% (2020) → −17.4% (2025)
What shareholders gained per year ⓘWe only publish this rate when it is defensible. Reason: fiscal 2025 is a loss year, no rate is defined from a loss
Price, fair value, quality and upside side by side.
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Peer GroupⓘHow this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.Biotechnology · 633 stocks
Beats the industry median on 4/9 measures
A mixed picture versus its industry peers.
Valuation
Quality Score27 · Bottom 25%
Fair Value upside−41.3% · Above median
Profitability
Return on assets−1.9% · Above median
Net margin (TTM)−58.0% · Bottom 25%
Operating margin (TTM)−11.7% · Bottom 25%
Growth and dividend
Revenue growth−12.9% · Bottom 25%
Balance sheet
Debt / equity0.13× · Above median
Valuation Multiplesvs Biotechnology median · lower = cheaper
P/B0.10× · Cheapest 25%
P/S (TTM)0.23× · Cheapest 25%
Strength profile in five axes (Snowflake)
This stockSector peers
VALUE (fair-value potential)0· sector 0
FUTURE (revenue growth)0· sector 0
PAST (return on equity)0· sector 0
HEALTH (low debt)94· sector 97
DIVIDEND (yield)0· sector 23
VALUE 0: the price sits above our fair-value range.
For bloggers, editors and developers: paste this into your site or blog (a “Custom HTML” block in WordPress), it shows the current fair value and links back here. Free, plain HTML, and welcome. Full data streams (CSV/JSON) at /developers.
Is AIM Vaccine Co. Ltd. (6660) overvalued or undervalued?
As of Sep 27, 2026, our model estimates a fair value of HK$1.00 versus a price of HK$1.71, about −41% upside (overvalued).
What is the fair value of 6660?
Our model-based fair value for AIM Vaccine Co. Ltd. is HK$1.00 (as of Sep 27, 2026), built from audited fundamentals. The current price: HK$1.71.
What is the quality score of 6660?
AIM Vaccine Co. Ltd. has a Quality Score of 26/100. It measures business quality (profitability, growth, cash flow, balance-sheet strength, investment discipline, share issuance). Market factors such as price momentum and volatility do not enter the number; they are shown separately in the detail view.
What is the price target for AIM Vaccine Co. Ltd. (6660)?
Our model-based price target is the fair value of HK$1.00 (as of Sep 27, 2026) from 1 valuation models. Cautious scenario HK$0.7500, optimistic scenario HK$1.50. It is a calculation from audited fundamentals, not an analyst target.
What is the AIM Vaccine Co. Ltd. stock forecast for 2026?
Our models put fair value at HK$1.00, about −41% upside versus a price of HK$1.71 (overvalued). Cautious scenario HK$0.7500, optimistic scenario HK$1.50. The calculation is refreshed regularly with new filings.
What is the revenue of AIM Vaccine Co. Ltd. (6660)?
AIM Vaccine Co. Ltd. reported trailing-twelve-month revenue of about 1.2B CNY (latest available figure, as of Sep 27, 2026).
What is the intrinsic value of AIM Vaccine Co. Ltd. (6660)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For AIM Vaccine Co. Ltd. it is HK$1.00 per share (as of Sep 27, 2026), against a price of HK$1.71. It is the blended result of 1 valuation models (cash flow, earnings, asset, dividend).
Is AIM Vaccine Co. Ltd. stock overvalued or undervalued in 2026?
As of Sep 27, 2026, 6660 trades above its calculated fair value: price HK$1.71, fair value HK$1.00, a gap of about −41% (overvalued). The calculation is refreshed with each new quarterly report, so the verdict can change during the year.
Is fair value the same as the market price of 6660?
No. The price is what the market pays today (HK$1.71); the fair value is what the company's own numbers justify (HK$1.00). For AIM Vaccine Co. Ltd. the two are HK$0.7050 per share apart. That gap is exactly why we show both numbers side by side.
How much is AIM Vaccine Co. Ltd. worth?
The market values AIM Vaccine Co. Ltd. at about HK$2.1B (market capitalisation, as of Sep 27, 2026). Per share that is HK$1.71; our models calculate a fair value of HK$1.00 per share.
What do the bullish and bearish scenarios say about 6660?
Our models span a range for AIM Vaccine Co. Ltd.: cautious scenario HK$0.7500, base HK$1.00, optimistic HK$1.50 per share (as of Sep 27, 2026, price HK$1.71). The range comes from different growth and margin assumptions, not from analyst opinions.
How solid is the balance sheet of AIM Vaccine Co. Ltd. (6660)?
Balance-sheet figures for AIM Vaccine Co. Ltd. (as of Sep 27, 2026): return on equity −22.7%, debt of 0.13 per unit of equity. They feed the Quality Score of 26/100, which measures business quality independently of the share price.
How far is 6660 from its 52-week high?
AIM Vaccine Co. Ltd. trades at HK$1.71, about 62% below its 52-week high of HK$4.45 and 23% above the low of HK$1.39 (as of Sep 30, 2026). Distance from the high says nothing about value: that is what the fair value of HK$1.00 is for.
Which stocks are comparable to AIM Vaccine Co. Ltd.?
From the same area (Healthcare) we also value Vertex Pharmaceuticals Incorporated, Regeneron Pharmaceuticals, Inc, argenx SE, CSL Limited, among others. Each of them has its own fair-value calculation on this site using the same models, so the comparison is like for like.
Is AIM Vaccine Co. Ltd. stock attractive at the current price?
The data as of Sep 27, 2026: price HK$1.71, calculated fair value HK$1.00 (−41%), Quality Score 26/100, from 1 models. Whether that fits your horizon and risk tolerance is your call. We provide the calculation, not investment advice.
How is the fair value of 6660 calculated?
We run AIM Vaccine Co. Ltd. through 1 models from four families: discounted cash flow, earnings models, asset and balance-sheet models, and dividend models. Every model gets the same audited fundamentals; the result is the weighted average of HK$1.00, with the spread shown as a cautious and an optimistic scenario.
Is it still worth investing in stocks now?
The global stock market currently sits 14.7 % above its aggregate fair value. AIM Vaccine Co. Ltd. itself currently trades above fair value. An expensive market is no reason to stay out and no reason to buy everything at once: keep a broad savings plan running, buy single stocks only with money you can do without, and hold part of your money liquid while the market is high. The full picture including sectors is on is it worth investing now.
What is the share price of AIM Vaccine Co. Ltd. (6660)?
The closing price on Sep 30, 2026 was HK$1.71. Our model-based fair value is HK$1.00, about −41% upside (overvalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with AIM Vaccine Co. Ltd. right now?
The price sits above even our optimistic bull case (HK$1.50). The favourable scenario is already priced in. Weak quality (26/100) and above fair value at the same time, the margin of safety is missing on both counts. The large gap to fair value rests on thin data (low evidence): fewer applicable models and a shorter history. Read it with extra caution. A fairly wide model range (HK$0.7500 to HK$1.50) leaves room in how you read the outcome.
Key figures of AIM Vaccine Co. Ltd.
How large is the market capitalisation of AIM Vaccine Co. Ltd. (6660)?
The market capitalisation of AIM Vaccine Co. Ltd. is HK$2.1B (≈ $266M). The stock-market value of the whole company: share price times number of shares. It is what the market asks for the entire business today.
What is the P/S ratio of AIM Vaccine Co. Ltd. (6660)?
The price-to-sales ratio of AIM Vaccine Co. Ltd. is 1.83 (last twelve months). Price to sales: market value relative to yearly revenue. Useful when profit is thin or distorted.
What are the earnings per share of AIM Vaccine Co. Ltd. (6660)?
Earnings per share at AIM Vaccine Co. Ltd. are HK$−0.1100. Earnings per share over the last twelve months: total profit spread across every single share.
What is the net margin of AIM Vaccine Co. Ltd. (6660)?
The net margin of AIM Vaccine Co. Ltd. is −57.9% (fiscal year 2025). How much of every unit of revenue ends up as profit. 10% means 10 cents of profit per dollar of sales.
What is the return on equity of AIM Vaccine Co. Ltd. (6660)?
The return on equity (ROE) of AIM Vaccine Co. Ltd. is −22.7% (last twelve months). Profit relative to shareholders' equity, how efficiently the company works with its owners' money.
What is the EBIT return on assets of AIM Vaccine Co. Ltd. (6660)?
On an EBIT basis the return on assets of AIM Vaccine Co. Ltd. is −13.3% (avg 5y). Operating profit (EBIT) relative to everything the company owns, as a multi-year average. It describes the business model rather than one good or bad year.
What is the operating margin of AIM Vaccine Co. Ltd. (6660)?
The operating margin of AIM Vaccine Co. Ltd. is −11.7% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at AIM Vaccine Co. Ltd. (6660)?
Revenue at AIM Vaccine Co. Ltd. is growing −12.9% versus a year earlier (3y avg −2.7%). How much revenue grew versus a year earlier (YoY). The 3-year average next to it puts the single year in context.
How much free cash flow does AIM Vaccine Co. Ltd. (6660) generate?
The free cash flow of AIM Vaccine Co. Ltd. is −171M CNY (fiscal year 2025). The cash truly left after running and investing in the business, this is what pays dividends and buybacks.
How much net debt does AIM Vaccine Co. Ltd. (6660) carry?
The net debt of AIM Vaccine Co. Ltd. is 1.4B CNY (fiscal year 2025). Debt minus cash on hand. The note shows how many years of free cash flow could in theory pay it off.
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