The rumor started quietly in Senate committee rooms and exploded across French investment forums: Bercy (the Ministry of Finance) wants to kill your MSCI World ETF in your PEA (Plan d’Épargne en Actions, the French stock savings plan). Within 48 hours, investors were running simulations showing potential losses of €30,000 to €50,000 in destroyed compound interest. The panic is justified, but the reality is more nuanced, and more dangerous, than most realize.
The Synthetic ETF Loophole That Made Global Investing Possible
To understand why this matters, you need to grasp how French investors built globally diversified portfolios in the first place. The PEA was designed to finance European companies, restricting investments to at least 75% European assets. Pure MSCI World ETFs, with their heavy US weighting, shouldn’t qualify.
Enter ETF synthétiques (synthetic ETFs). Products like Amundi PEA MSCI World DCAM or iShares MSCI World Swap PEA don’t actually buy the underlying stocks. Instead, they use swaps (derivative contracts) with banks like BNP Paribas or Société Générale. The ETF holds a basket of European stocks as collateral, while the swap delivers the exact performance of the MSCI World index. Legally, you’re invested in European assets. Economically, you get global exposure.
This structure represents roughly one-third of all PEA ETF assets, billions of euros that would otherwise flow into less tax-efficient vehicles. But now, that door may be closing.
The Senate’s “Anti-Index Evasion” Amendment and Why It Failed
In January 2026, the French Senate proposed an amendment targeting exactly this practice. Dubbed “anti-évasion indicielle” (anti-index evasion), it would have restricted PEA eligibility for funds using swaps where more than 50% of the underlying index tracks non-EU companies. The justification? The PEA should support the European economy, not funnel capital to US tech giants.
The government killed it. Officially, they cited “freedom of investment” and warned about destabilizing French ETF issuers like Amundi. But investors celebrating this victory are missing the point: Bercy has publicly identified synthetic global ETFs as a problem. The fact that an amendment reached Senate debate at all signals serious regulatory appetite for change.
As one parliamentary report noted, the government refused the measure but left the door open for alternative approaches, specifically mentioning taxation of swap transactions as a possible revenue generator. This isn’t over, it’s just changing tactics.

The Brexit Precedent: What Happens When Eligibility Disappears
French investors have seen this movie before. When Brexit took full effect, UK stocks lost PEA eligibility. The AMF (Autorité des Marchés Financiers, France’s financial regulator) gave investors a transition period, but the rules were clear: sell or transfer to a CTO (Compte-Titres Ordinaire, a standard brokerage account).
The transfer mechanism is key here. When a product loses PEA eligibility, brokers typically move it to your CTO without triggering a taxable event. You keep your shares, but lose the tax wrapper. This matters because the real wealth destruction doesn’t come from selling, it comes from losing the PEA‘s tax advantage on future gains.
However, the Brexit case involved individual stocks, not complex swap agreements. There’s no guarantee synthetic ETFs would receive the same treatment. The bofip (official tax bulletin) is ambiguous on whether swap-based products can be transferred without liquidation.
The Compound Interest Bomb: Why Forced Selling Is Catastrophic
Here’s where the math gets brutal. A 35-year-old investor who has maxed their PEA at €150,000, all in MSCI World ETF, with 20 years until retirement at 8% annual returns would have €699,000 if left untouched. After 20% social contributions and zero income tax (thanks to PEA maturity), they keep €559,000.
If they’re forced to liquidate in 2026 and move to a CTO, paying 30% flat tax (12.8% income tax + 18.6% social contributions) on the existing €150,000 gain, they lose €45,000 immediately. The remaining capital compounds to only €486,000, a €73,000 loss compared to the PEA scenario. And that’s assuming they even qualify for the 30% rate, higher earners face 34% or more.
The research from French investment communities confirms this: simulations show that if rules change within 20 years, investing in a CTO from day one becomes more profitable than facing a mid-stream forced liquidation. The break-even point depends on timing, but the risk is asymmetric: you gain little by staying, but lose massively if the ban comes.
The Hidden Tax Grab: Social Contributions Just Hit 18.6%
While investors obsessed over the ETF ban, another change already took effect. Since January 1, 2026, cotisations sociales (social contributions) on PEA withdrawals jumped from 17.2% to 18.6%. This applies retroactively, all gains, even those accrued before 2026, face the higher rate upon withdrawal.
For a €20,000 gain, that’s €280 extra gone. For a mature PEA with €200,000 in gains, you’re paying €2,800 more than you would have in 2025. The government quietly eliminated the historical rate mechanism that used to apply old rates to old gains.
This change makes the PEA slightly less attractive relative to assurance-vie (life insurance), which kept the 17.2% rate. It’s a clear signal: Bercy is targeting capital gains while trying not to trigger outright capital flight.

Strategic Options: PEA vs CTO in an Uncertain Regulatory Environment
So what’s an investor to do? The community is split between three camps:
The “Wait and See” Approach
Most investors, including many on French finance forums, argue for patience. Legislative change is slow, and any ban would likely include a clause du grand-père (grandfather clause) protecting existing positions. The Senate’s rejection suggests limited political consensus. Plus, with elections looming, radical reform seems unlikely.
The “Preemptive Strike” Strategy
A vocal minority is moving new money to CTO accounts now. Their logic: the 30% flat tax is a known cost, the risk of a 100% PEA loss is unknown but potentially catastrophic. If you have 20+ years to retirement, starting fresh in a CTO eliminates regulatory risk. The trade-off is losing the PEA‘s income tax exemption, which could be worth hundreds of thousands over decades.
The “Hybrid” Solution
The most sophisticated approach splits capital: keep existing PEA positions (especially mature ones) but direct new investments to a CTO. This hedges against both scenarios. If the ban never comes, you keep the PEA advantage on old money. If it does, only part of your wealth is affected.
Political Reality Check: Why a Ban Makes Sense (for Bercy)
Let’s be blunt: Bercy has legitimate reasons to act. The PEA costs the French treasury billions in foregone tax revenue. When it was created in 1992, it targeted direct investment in French stocks. Today, it’s subsidizing exposure to Apple, Microsoft, and Nvidia through synthetic structures that employ maybe a dozen French bankers.
The AMF has noted that swap-based ETFs represent a “technical circumvention” of the PEA‘s spirit. From a policy perspective, banning them aligns with Macron’s “Made in Europe” industrial strategy. The question isn’t whether this is good economics, it’s whether it’s good politics, and whether the lobbying power of Amundi and BNP Paribas can hold it off.
The research suggests taxation is more likely than prohibition. A 0.1% annual tax on swap notional values would generate revenue without destroying the market. But even this would raise ETF costs, making direct CTO investment in US ETFs potentially cheaper.
What You Should Do Right Now
1. Audit Your Exposure
Calculate what percentage of your net worth is locked in synthetic global ETFs within your PEA. If it’s over 50%, you’re concentrated in both a single asset class AND a single regulatory risk.
2. Check Your Broker’s Transfer Policy
Contact your broker and ask: “If a product loses PEA eligibility, what happens?” Get it in writing. Some brokers have pre-emptively created transfer protocols, others haven’t.
3. Model the Scenarios
Use a compound interest calculator. Scenario A: PEA continues unchanged. Scenario B: Forced liquidation in 2027 with 30% tax. Scenario C: Transfer to CTO without tax event. The difference between B and C could be six figures.
4. Consider Tax Diversification
Open a CTO if you don’t have one. Having both accounts gives you optionality. If you have a mature PEA (5+ years), the income tax exemption is valuable enough to defend aggressively.
5. Watch the Senate Finance Committee
The next budget debate in September 2026 will be critical. The “anti-évasion indicielle” amendment will likely return, possibly in modified form. Track the amendments, they’re public.
The Bottom Line: This Is About Control, Not Just Tax
The PEA was never meant to be a global investing superhighway. It became one because clever bankers found a loophole. Now that trillions are flowing through it, Bercy wants control, either to steer capital toward European companies, or to tax it more heavily.
The 18.6% social contribution hike was the first shot. The synthetic ETF debate is the second. Neither means the PEA is dead, but both signal that the golden age of unlimited, tax-free global exposure is ending.
Your move depends on your timeline. If you’re retiring in 5 years, stay put, the PEA‘s income tax exemption is too valuable. If you’re 30 with empty PEA space, consider filling it with genuine European equities and using a CTO for global diversification. The middle ground? That’s where the real strategy lives.
The investors who’ll survive this aren’t the ones who panic-sell or bury their heads in the sand. They’re the ones who treat regulatory risk as a core part of their asset allocation, right alongside currency risk and concentration risk. In today’s France, your tax wrapper is as important as your actual investments.
And remember: the PEA remains one of the most powerful wealth-building tools in Europe. Even with an 18.6% social charge and potential ETF restrictions, it’s still better than most alternatives. The key is to stop treating it as a magical “set and forget” solution and start managing it like the complex financial instrument it always was.

For deeper analysis on related topics, see our coverage of Bercy’s scrutiny of global ETFs in the PEA, the heavy US concentration of the MSCI World ETF, and rising awareness of hidden fees in synthetic ETFs such as WPEA. If you’re concerned about overexposure to US assets and currency risk in French portfolios or the broader debate over passive global ETFs vs. active diversification strategies, we’ve got you covered. For those with mature portfolios, check out our guide on strategic next steps after maximizing the PEA.



