Tokenized stocks as collateral: what the October 14 unlock changes for investors in Germany

The upcoming October 14, 2026, lock-up expiration for chipmaker Cerebras, involving approximately 19.4 million shares, highlights significant risks for investors using tokenized stocks as collateral. When lock-up tranches expire, they often trigger increased market volatility, as evidenced by the 8.87 percent price drop observed during the previous Cerebras release on September 30. For investors utilizing these tokens in margin accounts, such volatility creates a dual-risk scenario where both the collateral value and the open position value decline simultaneously. Furthermore, trading platforms may proactively increase haircuts on these tokens ahead of known release dates, potentially triggering margin calls even before market prices react. Because tokenized stocks are often structured as bearer notes or contractual claims rather than direct equity, their legal status and collateral eligibility vary significantly between providers like Backed Finance, Binance, and Robinhood. This situation underscores the importance of understanding the specific issuer risk and margin mechanics inherent in tokenized assets. Ultimately, the article serves as a warning that the technical structure of RWA tokens can amplify financial exposure during periods of corporate liquidity events.