Declare Cryptocurrency on the Stock Exchange: Complete Guide for Investing and Reporting in 2025

Investing in cryptocurrencies is becoming an unavoidable alternative to diversify and invigorate an asset portfolio in 2025. For French investors, the issue of declaring cryptocurrency on the stock exchange raises many practical, tax, and regulatory aspects. This comprehensive guide aims to help everyone understand how to declare their cryptocurrency operations on the stock exchange, optimize their strategy, and secure their digital assets in compliance with current laws.

Cryptocurrency Declaration on the Stock Exchange: Definitions and Principles

Declaring cryptocurrencies on the stock exchange can mean two things:

  • The purchase or sale of cryptos through regulated financial instruments (ETF, ETP, CFD, derivatives, etc.) listed on a stock market.
  • Tax transparency: reporting to the administration your operations carried out on cryptocurrencies, whether they were done on exchange platforms or via the traditional stock exchange.

Why go through the stock exchange? Holding cryptocurrencies through regulated financial products usually offers better security (regulated products, custodian, integration into a securities account, tracking tools) and facilitates integration into a global asset allocation, particularly for institutional investors or those who prefer a regulated environment.

What Instruments for Investing or Declaring Cryptocurrency on the Stock Exchange?

Investment in the cryptocurrency market through the stock exchange is mainly done via:

  • ETF and ETP on cryptocurrency: listed index funds that replicate the performance of one or more digital assets (for example: Bitcoin, Ethereum). They are accessible on Euronext Paris, Xetra, SIX Swiss Exchange, or the Deutsche Börse.
  • Stocks of companies exposed to blockchain: stocks of listed companies whose main activity lies within the cryptocurrency ecosystem (mining, infrastructure, payments, etc.).
  • CFD and derivative products: reserved for experienced investors, these products allow exposure to the price of Bitcoin or other cryptos without directly holding them, through futures contracts or options offered by regulated brokers.

Thanks to these instruments, the integration and declaration of cryptocurrency positions become comparable to any other listed asset.

Tools and Platforms for Declaring Cryptocurrency on the Stock Exchange

Different platforms and tools accompany investors in the management, analysis, and declaration of their cryptocurrency portfolios:

  • Stock Exchanges : Euronext, Xetra, SIX Swiss Exchange, Deutsche Börse offer numerous crypto-accessible ETF/ETP to individuals through a securities account or a unit-linked life insurance policy.
  • Financial Information Aggregators : Bloomberg and Reuters provide analysis, historical data, and graphical tools to track the evolution of products related to digital assets.
  • Specialized ETF Providers : Amundi, VanEck, 21Shares, WisdomTree regularly issue ETFs linked to the crypto or blockchain universe, thus offering regulated and transparent access.
  • Tax Tracking Software : ZenLedger, Waltio, Koinly help automate the tax declaration of gains realized in crypto.

The Steps for Declaring Crypto on the Stock Market and in French Taxation

  1. List all transactions : the investor must list purchases, sales, or exchanges, whether on an exchange platform or via the stock market (ordinary securities account, PEA, multi-support life insurance).
  2. Identify the type of product : ETF/ETP, CFD, blockchain-exposed stock, stablecoin, etc. Each has its own tax regime.
  3. Calculate capital gains : French taxation distinguishes between the regime of capital gains from the sale of digital assets, with an annual exemption on sales below €305. Beyond that, a flat tax of 30% generally applies. ETF/ETP are treated as regular securities according to stock market taxation.
  4. Fill out the tax declaration : on form 2086 for directly held digital assets, or in the "securities" section for stock market products. It is also necessary to declare any accounts opened on foreign exchange platforms.
  5. Keep proof and reports : to justify acquisition prices, sale prices, fees, and any conversions.

Technical and Fundamental Analysis Applied to Crypto on the Stock Market

Technical Analysis: Exploit the Tools of the Stock Market

Technical analysis helps anticipate trends and refine entry and exit points on listed crypto ETFs or ETPs:

  • Classic technical indicators: RSI, MACD, Bollinger Bands, moving averages, Ichimoku. These tools allow detecting overbought/oversold zones, divergences, or market volatility.
  • Candlestick charts: Essential for spotting reversal or continuation patterns, such as Doji, Engulfing, or Harami formations, frequently analyzed on crypto values.
  • Traded volumes: A high volume at the breakout of a technical level often confirms the detected signal.
  • Automated tools and AI: By 2025, more and more investors are assisted by artificial intelligence algorithms, integrating advanced models of price and signal analysis.

Fundamental Analysis of Crypto in a Stock Market Context

Fundamental analysis remains essential for selecting crypto-related products, especially when it comes to ETFs or exposed companies:

  • Institutional Adoption: The increasing integration of cryptocurrencies into the balance sheets of financial institutions or the arrival of new investment products significantly influences the potential for growth.
  • Regulation: Legal texts, AMF recommendations, and the evolution of European regulation (MiCA) impact liquidity and investor security.
  • Technological Innovation: Evolutions in blockchain protocols, introduction of new consensus algorithms, or integration of scalability solutions make certain assets more attractive.

Case Study: Responsible Bond ETF DECR.DE

To illustrate the issues of declaration and stock market investment in 2025, let's consider a concrete example with the ETF Amundi Index Euro Corporate SRI UCITS ETF DR (DECR.DE):

  • Type: Responsible bond ETF, replicating the Bloomberg MSCI Euro Corporate ESG Sustainability SRI index.
  • Replication method: Physical (sampling).
  • Distribution type: Annual single payment (dividend distributed once per year).
  • Annual fees (TER): 0.14%.
  • Ticker: DECR.DE | ISIN: LU1737653987.
  • Assets under management: €701 million in November 2025.
  • Closing price on 29/10/2025: €46.68.

Key Points to Know:

  • There is no relevant PER or P/E ratio for a responsible bond ETF (this concept applies only to equity funds).
  • The beta is generally not calculated or communicated for diversified bond funds such as DECR.DE.
  • The amount of the annual dividend distributed varies each year according to the interest earned by the portfolio; official data indicates distributions of around €0.40 to €0.60 per share, but there is no universal figure for 2025.
  • The ETF offers significant sectoral and geographical diversification, investing in large European companies with average investment-grade credit ratings.

Performance: A Key Indicator for Choosing a Crypto or Bond ETF

Before investing or declaring a crypto product, it is crucial to take into account its recent performance:

  • Performance YTD (year-to-date): allows measuring the added value of the product during the current year. For crypto products, variations are often above 30% annually, but accompanied by high volatility.
  • Performance over 1 year, 3 years, 5 years: it is recommended to compare annualized returns with those of other assets (stocks, traditional bonds, real estate, etc.) to evaluate risk/return.
  • Bond portfolio yield: it is important to pay attention to the yield-to-maturity to estimate future potential revenues.

For crypto-linked ETFs, also monitor liquidity, tracking error (replication error), fees, and the median of daily traded volumes.

Comparison: Cryptocurrencies Directly vs Through the Stock Exchange

Characteristic Directly Held Cryptocurrency Stock Product (ETF/ETP, stock, CFD)
Security Depends on portfolio choice (software, hardware wallet) Regulated product, protections according to the broker's jurisdiction
Liquidity Variable, depending on the exchange High, based on the volume on the stock market
Taxation Specific taxation of digital assets Treated as a securities investment
Reporting Form 2086 required Tax return on securities income (general case)
Fees Transaction fees, conversion fees, sometimes network fees Management fees (TER), brokerage fees
Eligibility for Life Insurance/PEA Never (except for rare thematic funds, not directly) Often (for eligible ETP/ETF)

Investment Strategies in Crypto via the Stock Market

Long-Term Strategy

Cryptocurrency investment via the stock market over the long term attracts many investors seeking sustained growth:

  • Diversification: It is recommended to expose oneself to several classes of digital assets (Bitcoin, Ethereum, Solana, etc.) as well as related products such as blockchain ETFs to limit risk.
  • Setting up regular payments (DCA): Buying a certain sum regularly in crypto ETFs/ETPs smooths entry points over the long term.
  • Reinvestment of bond dividends: For distributable products like responsible bond ETFs, automatic or manual reinvestment of received amounts improves overall performance.

Short-Term Strategy

Profit from the volatility of crypto markets via the stock market targets experienced investors:

  • Crypto day trading: Position taking on ultra-liquid ETPs, closing within the same day according to market movements, while firmly controlling fees and leverage.
  • Swing trading: Holding a stock market position for a few days or weeks to benefit from trend movements, especially during strong macroeconomic announcements or sector company results.
  • Use of advanced signals: Artificial intelligence, technical analysis across multiple timeframes, backtesting on historical data to optimize the risk/reward ratio.

Additional Information - Points to Watch for Investing and Reporting Crypto in 2025

Before any declaration and investment, check systematically:

  • Exact date of the next dividend and amount distributed : Bond ETF responsible products present non-systematic and variable annualized distributions each year. Always consult the official fund activity report.
  • Credit rating of the portfolio : The average sovereign/corporate credit rating in the portfolio determines the risk level. Prioritize information on sectoral compositions and geographic exposure.
  • Replication method : Direct (physical by sampling) for maximum transparency on the actual portfolio composition.
  • Actual performance of the selected product : Compare over 1 year, 3 years, 5 years, and against competing ETFs to better understand the robustness of management.
  • European Regulation 2025 : The arrival of MiCA and DORA regulations now structures the offer of crypto products and better protects European investors.
  • Liquidity level and assets under management : Prefer products where the AUM exceeds 100 million euros to limit the risk of closure or price discrepancies.

Good Practices for Tax Declaration of Cryptos in France

  • Always archive your statements, transaction histories, and proof of purchase or sale on exchange platforms or through your brokerage intermediary.
  • Declare all foreign-held accounts (including wallets on non-French domiciled exchanges, e.g., Binance, Kraken).
  • For ETF/ETP in securities accounts or PEA, the bank or insurer usually provides tax reporting for operations performed.
  • In case of dividend distribution (bond ETF, blockchain stocks), specify the amount received and its source (dividend or interest).
  • Perform at least an annual export of all cryptocurrency-related transactions (for preparation, contestation, or modification in case of tax audit).

Conclusion

The declaration of crypto-assets in stock markets is today greatly facilitated thanks to the rise of listed financial instruments such as ETFs and ETPs. Security, ease of integration into one's portfolio, regulatory reporting, and compatibility with tax envelopes like the securities account or life insurance provide undeniable comfort compared to the direct holding of cryptocurrencies. In 2025, the informed investor will benefit from approved products, staying informed about real performance and risks, and making a rigorous and transparent declaration of activities to optimize exposure to crypto-assets while securing their tax position.