Metaplanet, a Bitcoin treasury company in Japan, remains committed to its Bitcoin-centric strategy despite a proposal from the Japan Exchange Group (JPX) to exclude firms with significant crypto holdings from major market indices. CEO Simon Gerovich emphasized the company's dedication to providing Japanese investors access to Bitcoin through a transparent, publicly listed entity on the Tokyo Stock Exchange. Gerovich also highlighted ongoing diversification efforts, including Project Nova, aimed at strengthening Japan's Bitcoin ecosystem. JPX's proposal, which could delay or block index inclusion for companies with substantial crypto assets, poses potential challenges for Metaplanet. The company could face exclusion from indices like the Tokyo Stock Price Index (TOPIX) if its crypto exposure exceeds set limits. This move follows JPX's concerns about volatility in crypto-linked equities, which have experienced significant price swings. Metaplanet's stock, for instance, surged over 400% in early 2025 before declining as crypto markets fluctuated. The proposed rules could impact Metaplanet's eligibility for inclusion in TOPIX during the next rebalancing in October 2026, affecting demand from institutional investors who track these benchmarks. While JPX continues to gather feedback, no timeline for a final decision has been set, leaving Metaplanet and other crypto-heavy firms in a state of uncertainty.