Ether (ETH) reserves on centralized exchanges have plunged to their lowest levels in over nine years, highlighting a growing trend of investors opting for self-custody.

Data from CryptoRank and Santiment reveals that the amount of ETH held in exchange wallets has dropped to 8.97 million tokens—the lowest since November 2015.

This steady outflow from exchanges may tighten supply in the market, potentially fueling a price rally as fewer tokens become available for trading.

“ETH holders continue to move their assets into cold storage, limiting liquidity. A similar pattern was observed with BTC in January, when exchange reserves fell to a seven-year low, leading to a significant price jump,” CryptoRank reported.

Bitcoin experienced a similar trend earlier this year when its exchange balance hit a seven-year low on January 13. Shortly after, BTC surged from approximately $90K to over $109K.