1 Surprising Reason Why Japanese Stocks Are Going Up

Japanese corporate-governance reforms led by the Financial Services Agency and the Tokyo Stock Exchange—including pressure to unwind cross-shareholdings and greater emphasis on capital efficiency—have coincided with strong equity performance: TOPIX is up 93.3% and the Nikkei 225 up 84.3% over the past five years versus the S&P 500’s 79.2%. Since 2023 the exchange has published lists pushing companies toward buybacks, divestitures and better capital allocation, and J.P. Morgan data show accelerated sell-offs of cross-holdings since fiscal 2020. For U.S. investors, the piece highlights the iShares MSCI Japan ETF (EWJ) as a simple exposure vehicle—181 Japan holdings, notable names Toyota and Sony, and a 0.49% expense ratio—with EWJ up 25.9% over the past year versus the S&P 500’s 13.7%.

Analysis

Market structure: Governance-driven reforms make large-cap, high-ROE Japanese names (SONY, Toyota, Hitachi, MUFG, SMFG) immediate beneficiaries via higher buybacks, divestitures and improved free float; TOPIX +93% and Nikkei +84% over 5 years implies scope for further re-rating but much is now priced (EWJ +25.9% last 12 months). Cross-shareholding unwind temporarily increases supply of tradable stock but is being absorbed by buybacks and foreign inflows; expect net free-float compression (reducing float by mid-single-digit % in 12–24 months for active reformers) which supports EPS and multiple expansion. Cross-asset: sustained foreign inflows and higher equity yields should push JPY stronger (2–5% vs USD over 6–12 months if trend continues), compress equity vol and put modest upward pressure on 10y JGB yields (+10–30bp) as corporate demand for capital returns rises.

Risk assessment: Tail risks include an FSA policy reversal or tougher enforcement leading to short-term selloffs, a global growth shock that cuts Japanese export earnings by >10% YoY, or a BoJ policy surprise that hyper-appreciates JPY; each event could erase 10–25% of recent gains. Timing: immediate (days–weeks) is momentum/flow-driven, short-term (3–12 months) depends on announced buybacks/divestitures and foreign pension allocations, long-term (1–3 years) hinges on sustained ROE improvement (>200bp) and capex versus buyback trade-offs. Hidden dependency: better governance can reduce corporate capex — a 1ppt cut in capex-to-GDP would slow long-term growth; also, pension fund selling could stop, reversing a key buyer. Catalysts: quarterly buyback/dividend announcements, TSE enforcement lists (monthly), BoJ rate decisions.

Trade implications: Direct: establish a core 2–3% EWJ position for structural Japan exposure, overweight SONY (ticker SONY) and banks MUFG/SMFG as 12-month trade ideas to capture ROE rerating. Pair trades: long MUFG (1.5%) / short JPM (0.75%) to play differential domestic reform-driven ROE gains versus US bank cyclicality over 6–18 months. Options: use 6–9 month call spreads on SONY (buy 6–9m 5% ITM, sell 15% OTM) to capture re-rating while limiting premium; sell straddle/vol on low-liquidity small-cap Japanese ETFs if IV > realized by >40bp. Entry: build on 3–5% EWJ pullback or into confirmed 1H buyback programs; trim if EWJ outperforms S&P by >500bp in 3 months.

Contrarian angles: Consensus overlooks that buybacks can crowd out capex and R&D — if buybacks raise payout ratio >5ppt, expect medium-term EPS risk. Re-rating may be overdone in names with limited foreign revenue: exporters are vulnerable if JPY appreciates >5% in 6 months. Historical parallel: Abenomics-era rallies stalled when fundamentals didn’t follow buybacks; this time governance is deeper but not guaranteed. Unintended consequence: faster free-float changes can create short-term illiquidity spikes and higher idiosyncratic vols, so size positions to liquidity (limit single-stock weight to 1.5–2.5%).

Key Decisions for Investors

• Establish a 2–3% long position in EWJ as core Japan exposure within 2 weeks; add another 1% if EWJ falls 3–5% or if TOPIX outperforms S&P by >200bp over a rolling 30-day window.
• Initiate 1.5–2% long positions in MUFG and SMFG (allocate 0.75–1% each) with a 12–18 month horizon to capture ROE improvement; set hard stop-loss at -18% or if reported NIM compression >30bps or CET1 ratios fall >100bps.
• Buy 6–9 month SONY call spreads (buy 5% ITM, sell 15% OTM) sized to 1% notional of portfolio to play exporter re-rating while capping premium; exit on 30% profit or if JPY strengthens >5% vs USD in 3 months.
• Implement pair trade: long MUFG (1.5%) / short JPM (0.75%) for 6–18 months to exploit Japan-specific governance rerating versus US banks; reassess if spread narrows by 150bp in 60 days or macro recession indicators (ISM <45) persist for two months.
• Track three specific catalysts daily for 30–90 days: (1) TSE monthly enforcement lists; (2) J.P. Morgan monthly estimates of cross-shareholding disposals; (3) BoJ policy statements — increase Japan exposure by +1% if buybacks announced >2% of market cap across top-50 reforms within a quarter.