Korea's 'New Japan Trade,' One Year In: Did Copying Japan Actually Work?

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Not financial advice — a view from Seoul, not a recommendation. Figures verified as of July 3, 2026; markets move fast.

Global funds have a shorthand for Korea: “the new Japan trade” — the bet that Seoul’s Value-Up reforms will re-rate Korean stocks the way Tokyo’s 2023 governance push re-rated Japan. Goldman Sachs calls Korea its highest-conviction market in Asia and lifted its 12-month KOSPI target to 9,000.
The myth: “It’s cosmetic Japan-copying — headline buybacks, same old structure. And foreigners just sold a record amount, so the trade already failed.”
What the data says: cancellations weren’t cosmetic. Treasury-share cancellations went from ₩4.8 trillion (~$3.5B) in 2023 to ₩21.4 trillion (~$15B) in 2025 — and roughly ₩46 trillion (~$33B) was announced by 200 companies in the first half of 2026 alone, already a full-year record. Korea even wrote it into law: buy back shares, cancel them within a year. Japan never went that far.
But it’s half a success: Korea’s dividend payout ratio is still roughly 26–27%, versus ~36% in Japan and ~42% in the US. And foreigners net-sold a record ~₩148 trillion (~$107B) of KOSPI shares in H1 — though the exchange itself calls that rebalancing after a 100% rally, not a governance verdict.
One-line answer: the mechanism worked; the re-rating is half done. This is a multi-year story, not a one-quarter trade — and this week’s chip-driven plunge is a reminder of which risks are not about governance.

The short answer

Did copying Japan work? Honestly: the way Korean companies return capital to shareholders has structurally changed — and the law behind it is stricter than anything Japan passed. What hasn’t caught up is the other half of the re-rating: dividend payout ratios still trail Japan and the US, and foreign money spent the first half of 2026 taking profits at a record pace. So skip the pass/fail framing. The useful question is which dial moved and which didn’t — this piece is the one-year checkup on the Value-Up program we unpacked here — and there’s one Korea-specific detail outsiders keep missing. Japan’s reform was exchange pressure. Korea’s is statute. That difference runs through everything below.

Why everyone calls it “the new Japan trade”

When US and European funds explain Korea in 2026, they reach for the Japan analogy. The logic is simple. In 2023, the Tokyo Stock Exchange told listed companies trading below book value to publish improvement plans. Companies paid up: over three years, Prime-market average PBR rose from 1.1 to 1.4 and ROE from 8.4% to 9.0%, buybacks topped ¥10 trillion in fiscal 2024, dividends hit ¥16 trillion, and the Nikkei ran to record highs. A lot of investors made money on that script.

So they went looking for the sequel — and found Korea. Goldman Sachs Research now calls the KOSPI its highest-conviction equity market in the region, with a 12-month index target of 9,000 and a 2026 earnings-growth forecast near 300%, the strongest in Asia since 1999. The KOSPI rose about 75% in 2025 — the world’s best major index — then roughly doubled again in the first half of 2026, closing above 5,000 for the first time on January 27 and flirting with 10,000 by late June.

Which is exactly why the skeptic’s question matters: one year into Value-Up’s hard phase — did the reform actually deliver, or did the market just front-run a story?

The part outsiders miss: Korea didn’t ask — it legislated

Here’s what rarely makes it into the “Korea is copying Japan” take. Japan’s TSE initiative was administrative pressure — name-and-shame, technically voluntary. Korea started there too, with the Value-Up index and disclosure program in 2024. Then it did something Japan never did: the National Assembly rewrote the Commercial Act.

First, a 2025 amendment extended directors’ duty of loyalty from “the company” to the company and all shareholders — aimed squarely at the related-party dealings that built the Korea discount. Then came the treasury-share rule, effective March 6, 2026: newly repurchased shares must be cancelled within one year, and existing treasury holdings within 18 months, with narrow exceptions.

That clause is the whole game. For decades, Korean companies bought back shares and then just… sat on them — treasury stock quietly parked as a control-defense tool for the owner family. A buyback that’s never cancelled returns nothing to you. Now, by law, buyback ≈ cancellation — permanent capital return, closer to a share-count reduction than a PR event. Analysts at the time estimated the mandate could force up to $42 billion of retirements.

🎩 Under the Gat — Wall Street calls it closing the “Korea discount.” Koreans quietly call it the chaebol (family-controlled conglomerate) discount — same thing, named honestly. And here’s the myth-bust in one line: “Korea copied Japan” is only half true. The direction came from Tokyo, but putting mandatory cancellation into statute is a move Japan never made. On this one dial, the student went past the teacher.

The data: cancellations stopped being cosmetic

Test the “headline show” theory against actual cancellations — not announcements, executed retirements (Korea Exchange data):

2023 (pre-reform): buybacks ₩8.2 trillion, cancellations ₩4.8 trillion (~$3.5B)
2024: buybacks ₩18.8 trillion, cancellations ₩13.9 trillion
2025: buybacks ₩20.1 trillion, cancellations ₩21.4 trillion (~$15B) — cancellations exceeded buybacks for the first time in the KRX data
2026 (through June 20): 200 companies announced ~₩46 trillion (~$33B) of cancellations — a full-year record in six months, with forecasts of up to ₩60 trillion for the year

(₩ converted at roughly ₩1,390 per dollar, July 2026.) The number of companies cancelling shares tells the same story: 64 in 2021, 102 in 2023, 240 in 2025. And since the March law took effect, cancellations have overtaken disposals of treasury stock — the parked-shares era is being unwound in real time. Whatever else you think of Value-Up, the mechanism of capital return genuinely changed.

But the skeptics have data too

Stopping here would be selling you half a story. The bear case isn’t vibes — it’s also numbers.

1. The payout ratio still lags. Korean listed companies paid a record ₩47.99 trillion (~$35B) in dividends for 2025, up 15.3% — 694 payers, with Samsung Electronics alone distributing ₩11.1 trillion. Impressive growth; low base. Korea’s dividend payout ratio is still around 26–27%, versus roughly 36% in Japan and 42% in the US. President Lee Jae Myung’s own framing before taking office: Korea’s total shareholder return ratio averaged 38% in the four prior years, against 86% in America. Cancellations sprinted ahead; dividends are still jogging.

2. Foreigners sold a record amount. In the first half of 2026, foreign investors net-sold about ₩148.3 trillion (~$106.8 billion) of KOSPI shares — the largest half-year exodus on record. Foreign ownership of Samsung Electronics hit a 16-year low. Read cold, that looks like a verdict against the reform.

3. Was perfection already priced in? The KOSPI’s ~100% first half and the Value-Up index’s +134.9% from its September 2024 launch through end-January 2026 left little room for disappointment. A market priced for perfection doesn’t need bad news to fall — it only needs news that’s ordinary. This week it got worse than ordinary: on July 2, a memory-chip shock sent the KOSPI down more than 6% in a single day, below 8,000, triggering a sell-side sidecar — a temporary halt on program sell orders, with SK Hynix falling 14.6%.

But point 2 needs its context. The exchange’s own chief executive publicly called the foreign selling “rebalancing, not a vote against South Korea” — after a doubling, global and EM-benchmarked funds mechanically trim positions that have outgrown their risk limits, and a weakening won added pressure to lock in gains. Selling because governance failed and selling because your Korea weight doubled are different trades that look identical on a flow chart. And note what the July 2 plunge was about: memory-chip pricing fears, not governance. The concentration risk is real — it’s just a different risk.

🎩 Under the Gat — Both sides are holding real cards, so watch the dials, not the headlines. Three of them: (1) do cancellations keep getting executed, not just announced; (2) does the payout ratio climb out of the mid-20s toward Japan’s mid-30s; (3) does foreign selling stay “rebalancing” or start smelling like a fundamental exit. Those three tell you whether the re-rating’s second half arrives. A view, not advice.

Korea vs Japan: less a copy, more a different weapon

	Korea Value-Up (year one of the hard phase)	Japan TSE reform (the anchor, year three)
Started	Sept 2024 index/disclosures; Commercial Act amendments 2025–26	2023 request (TSE PBR initiative from July 2022)
Enforcement	Statute — cancellation of new treasury shares within 1 year, existing within 18 months	Exchange request — name-and-shame, voluntary
Cancellations	₩4.8T (2023) → ₩21.4T (2025) → ~₩46T announced in H1 2026	Buybacks topped ¥10T in FY2024
Dividends	₩47.99T in 2025 (+15.3%)	~¥16T
Payout ratio	~26–27% — still the laggard	~36%
PBR / ROE	Re-rating in progress	PBR 1.1 → 1.4, ROE 8.4% → 9.0% over 3 years
Index reaction	Value-Up index +134.9% (Sept 2024–Jan 2026); KOSPI ~+101% in H1 2026	Nikkei to record highs
Decisive difference	Chaebol succession and control — a political knot, plus the payout gap	Cross-shareholding unwind was the core knot

Not a perfect parallel — Japan’s reform mostly untangled corporate cross-holdings, while Korea is prying at something stickier: founding-family control. Korea’s enforcement is harder; Japan’s track record is longer.

The politics: how the ant army moved a legislature

To get why Korea legislated where Japan merely asked, meet the donghak gaemi (Korea’s “ant army” of retail investors). Their post-pandemic surge didn’t just add liquidity — it added voters. Minority-shareholder rights became an election issue for the first time, and the Commercial Act amendments — the loyalty-duty expansion, the cancellation mandate, even December’s dividend-tax cut — are downstream of that pressure. To an outsider this reads like accounting reform. Inside Korea, it’s a power negotiation between owner families and millions of small shareholders who now vote their portfolios. That’s why the law has teeth: politicians put them there.

So how should an investor read year one?

Treat “did copying Japan work?” as three separate questions. The mechanism — buy back, cancel, by law — worked, and is now the strictest in Asia. The payout culture is improving off a low base and remains the visible gap. The flows are noisy, distorted by a 100% rally and a chip cycle that has nothing to do with governance — as July 2 just demonstrated. Practically, that means separating companies that execute cancellations from ones that merely announce, watching whose payout ratio actually climbs, and reading foreign flows by their reason rather than their size. “Value-Up” was never a promise that the index only goes up.

Sources

Korea Exchange via Businesskorea — buyback and cancellation totals, 2023–2025 (Jan 2026)
Seoul Economic Daily — 200 companies, ~₩46T cancellations announced by June 20, 2026; cancellations overtaking disposals after the Commercial Act revision
Bloomberg / KED Global — Commercial Act amendment mandating treasury-share cancellation (passed Feb 2026, effective March 6); up to $42B in estimated retirements
The Korea Times / Leaders Index — 2025 dividends ₩47.99T (+15.3%), 694 payers, Samsung Electronics ₩11.1T
The Korea Herald — payout ratio comparison (Korea ~26–27%, Japan ~36%, US ~42%)
Korea Exchange / The Korea Times — Value-Up index +134.9% from Sept 30, 2024 launch through end-January 2026
Harvard Law School Forum on Corporate Governance / J.P. Morgan Asset Management — TSE initiative results: PBR 1.1→1.4, ROE 8.4%→9.0%; FY2024 buybacks over ¥10T, dividends ~¥16T
Korea Exchange / Seoul Economic Daily / Korea JoongAng Daily — foreign net selling of ₩148.3T (~$106.8B) in H1 2026; Samsung foreign ownership at 16-year low
CNBC — KRX CEO: the selloff is “rebalancing, not a vote against South Korea” (June 11, 2026)
Goldman Sachs Research / CNBC — KOSPI target raised to 9,000; highest-conviction market; 2026 earnings growth ~300%
Invezz / Korea JoongAng Daily — July 2, 2026 session: KOSPI below 8,000, sell-side sidecar, SK Hynix −14.6%

Disclaimer: TheGatBull provides information and co

Frequently Asked Questions

Did Korea’s ‘copy Japan’ governance play actually work?

The capital-return mechanism worked: treasury-share cancellations jumped from ₩4.8 trillion in 2023 to ₩21.4 trillion in 2025, and roughly ₩46 trillion was announced in the first half of 2026 alone. And Korea wrote cancellation into law — something Japan never did. But the dividend payout ratio still trails Japan and the US, so the honest answer is: the mechanism worked, the re-rating is only half done. A view, not advice.

Foreigners just sold a record amount of Korean stock. Doesn’t that mean the reform failed?

Foreign investors net-sold about ₩148 trillion (~$107 billion) of KOSPI shares in the first half of 2026 — a record. But the KOSPI had roughly doubled in six months, and the exchange’s own CEO called the selling “rebalancing, not a vote against South Korea.” Distinguish profit-taking after a 100% rally from a governance verdict.

What did Korea do that Japan didn’t?

Legal force. Japan’s TSE reform was exchange pressure — name-and-shame, technically voluntary. Korea’s National Assembly amended the Commercial Act: newly bought treasury shares must be cancelled within one year, and existing holdings within 18 months, effective March 6, 2026.

What should investors watch from here?

Three dials: (1) whether cancellations keep being executed, not just announced; (2) whether the payout ratio climbs from the mid-20s toward Japan’s mid-30s; (3) whether foreign selling stays “rebalancing” or turns into a fundamental exit. Not financial advice.

What’s the biggest risk to the Korea re-rating story?

Price and concentration. After a ~100% first-half rally, the market was priced close to perfection — and on July 2, 2026, a semiconductor shock knocked the KOSPI below 8,000 in a single session. Chip concentration and unresolved chaebol control questions remain the swing factors.