Invest1 distinct publisher3 min readUpdated
The ring-shaped blood pressure monitor is already in 38 of Korea's 47 tertiary hospitals. The KOSDAQ listing asks investors to fund two more loss-making years before the thesis pays.
The Investor · Invest desk

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Sky Labs chief executive Byeong-hwan Lee told an IPO press briefing in Seoul's Yeouido on the 21st that the company expects to turn profitable by 2028 as overseas partnerships with Omron Healthcare and Otsuka Pharmaceutical materialize behind its existing European partner [1]. The company is offering 2 million shares at an indicative 13,000 to 16,000 won, a raise of 26 billion to 32 billion won, with subscription on the 26th and 27th and a KOSDAQ listing planned for early September [2].
The forecast is specific enough to be scored. Sky Labs targets revenue of 10.2 billion won this year, 18.8 billion next year and 38.7 billion in 2028 with 4.7 billion won of operating profit [3]. The loss path runs 15.4 billion won this year and 10.4 billion next before the switch [4]. That is a 15.1 billion won swing in operating result across two years [5], on revenue that has to more than double from the 2026 target [6]. For 2030 the company projects 78 billion won of revenue and 30.5 billion won of operating profit, a 39 percent operating margin [7][8].
Both of the levers arrive late. Sky Labs has completed clinical trial protocol discussions with the U.S. Food and Drug Administration and expects approval around the end of 2027 following local trials [9]. Otsuka plans to supply Japanese medical institutions starting in 2028 [10]. So 2028 is the first year in which either catalyst contributes revenue, which is also the year the company promises profit. Omron Healthcare, which holds roughly 50 percent of the global blood pressure monitor market, invested 3.5 billion won last November, and Lee said talks are under way to use its pharmacy and consumer distribution channels [11][12].
What is not speculative is the domestic base. As of June, CART BP had been adopted at all of Korea's top five hospitals and at 38 of the country's 47 tertiary general hospitals, about 81 percent of that tier [13][14]. The device is a cuffless finger-worn monitor with Korean MFDS approval and European CE-MDR certification, and it was the first cuffless monitor to receive a reimbursement rate for 24-hour ambulatory blood pressure testing from the Health Insurance Review and Assessment Service [15][16]. Exports are already visible: of roughly 5 billion won of first-half revenue, about 2.6 billion, or 52 percent, came from abroad [17][18]. Lee said overseas prices are higher than domestic ones, so margins improve as exports grow, and that replacement cycles from the September 2024 launch should push actual revenue above the plan [19][20].
The cash arithmetic is tight. Guided losses for this year and next total 25.8 billion won, against a raise of 26 billion to 32 billion won, and no 2027 loss figure was given [21]. On the low end of the range, the IPO funds roughly two years of the current burn.
Watch three things. Whether CART-O actually reaches the more than 10,000 hospital beds targeted this year through the Thync inpatient platform built by Daewoong Pharmaceutical and Seers Technology [22]. Whether the FDA trial starts on a schedule consistent with end-2027 approval. And whether Omron's distribution discussions convert into a signed agreement rather than remaining discussions, since the 3.5 billion won equity cheque is a fraction of the money being raised now.
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Ranked by verification strength, evidence, and original report placement.
As of June this year, CART BP had been adopted at all of Korea's top five hospitals and at 38 of the country's 47 tertiary general hospitals.
CART BP Pro became the first cuffless blood pressure monitor to be granted an insurance reimbursement rate for 24-hour ambulatory blood pressure testing by Korea's Health Insurance Review and Assessment Service.
Of Sky Labs' roughly 5 billion won in first-half revenue this year, about 2.6 billion won came from abroad, including initial shipments to Europe.
Sky Labs is offering 2 million shares in the IPO at an indicative price range of 13,000 to 16,000 won, for an offering size of 26 billion to 32 billion won; it plans to list on KOSDAQ in early September following a public subscription on the 26th and 27th.
Omron Healthcare, which holds about 50% of the global blood pressure monitor market, invested 3.5 billion won in Sky Labs last November ahead of commercialization.
CART BP Pro is a medical device worn on the finger like a ring that measures blood pressure around the clock without a cuff, and has secured approval from Korea's Ministry of Food and Drug Safety and under the European CE-MDR medical device regulation.
Evidence-backed comparisons of source perspectives and observed adoption signals. Read the methodology
Which Builder, Operator, and Investor concerns the observed source mix emphasized—not a truth score.
Evidence, demonstrated adoption, hype gap, incentives, and confidence are assessed independently, each on its own current evidence. How these are measured.
Single issuer briefing, no independent verification
Every fact in the cluster traces to one article covering one IPO press briefing at which the issuer's CEO spoke. Regulatory clearances, reimbursement status and hospital counts are specific and checkable in principle, but the article cites no regulator notice, no partner statement, no filing and no accuracy study, and the forward-looking core of the story (2028 break-even, 2030 margins, FDA timing, Otsuka supply) is unverifiable company guidance.
Deep in Korean tertiary hospitals, nascent abroad
Domestic adoption is materially evidenced: all five top Korean hospitals and 38 of 47 tertiary general hospitals as of June, plus a HIRA reimbursement rate that makes 24-hour cuffless testing billable. Revenue, however, is small (roughly 5 billion won in the first half) and the overseas half is described as initial shipments to a European partner rather than demonstrated sell-through; the Japan channel starts in 2028, the US has no approval, and the 10,000-bed Thync rollout is a plan for the current year.
Targets run well ahead of the trading record
The pitch — profit in 2028, 78 billion won revenue at a ~39 percent operating margin by 2030 — is roughly fifteen times the current half-year revenue run rate and is made contingent on partnerships that exist today as one 3.5 billion won equity stake and a set of ongoing discussions. Guided losses of 25.8 billion won through next year consume approximately the whole raise with no 2027 figure disclosed, while the CEO simultaneously suggests break-even could be pulled forward and actual revenue could beat targets. Domestic adoption and the reimbursement code are genuine, which keeps the gap moderate rather than severe.
Issuer pre-marketing an offering it is pricing
The disclosure venue is an IPO press briefing held days before a public subscription on the 26th–27th and a KOSDAQ listing, with an indicative band of 13,000–16,000 won still to be settled. The speaker is the issuer's CEO and every number, timeline and partnership characterization originates with the party raising 26–32 billion won; the article contains no counterparty, underwriter-independent or short-side voice.
Facts of the briefing clear, substance thinly corroborated
What was said, and the offering mechanics, can be held with high confidence from one detailed report. Confidence in the underlying business trajectory is much lower: one publisher, one issuer voice, no partner or regulator corroboration, no accuracy data, and a forward model whose decisive years depend on partnerships described as discussions and plans.
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1 article · August 20, 2026