Altcoins rally across the board as bitcoin consolidates near $84,000

Bitcoin traded in a narrow range near $84,342 on Sept. 25 as many alternative tokens rallied, with 93 of the 100 CoinDesk 100 constituents showing gains over the previous 24 hours. Market participants have rotated capital into speculative parts of the market after bitcoin’s rapid ascent from under $63,000 in August to almost $87,000 earlier in the week, a pattern that has historically coincided with increased altcoin strength. Compute and decentralized finance tokens led the advance: the CoinDesk Computing Index rose 9.5% over 24 hours and the DeFi Select Index gained 8.7%, both far outperforming the blended benchmark’s 2.5% move. Interoperability token quant (QNT) was the single largest mover among the CoinDesk 100, trading at $98.93 and jumping 39% over the day. Tokenised-treasuries token ondo (ONDO) and liquid-staking token lido dao (LDO) also posted strong gains, rising 32% and 20% over 24 hours respectively. Derivatives and volume metrics pointed to a calmer but position-holding market: 24-hour trading volume fell 17% to $206 billion, open interest in futures rose 1.8% to $153 billion, and liquidations dropped 63% to $228 million. Bitcoin futures open interest slipped below 700,000 BTC after a brief uptick, while several altcoins showed fresh OI builds—Link (LINK) and zcash (ZEC) had notable increases in futures open interest that outpaced or accompanied their price moves, signaling new longs entering those markets. The market’s advance came even as the industry dealt with a large exchange breach: Bitget disclosed a $351.6 million loss after attackers accessed a backend wallet system and spoofed transaction data, prompting suspended withdrawals pending a security review. Bitget’s CEO said private key compromise was ruled out and that a $464 million user protection fund covers the loss. Meanwhile, macro developments—European shares rising on reports of talks about the Strait of Hormuz and Brent crude below $100—provided a generally supportive backdrop for risk assets. Over $17 billion in BTC and ETH options expired on Deribit on Friday with little immediate market disruption, and implied volatility for major tokens continued drifting toward lower levels seen earlier in the year.