Recently, the cryptocurrency market has experienced frequent fluctuations. Monitoring the technical aspects of mainstream coins has revealed some noteworthy signals. Based on data tracking of 2,100 trading pairs, a total of 6 coins have been identified as showing clear sell signals. These include the ecosystem star project Polkadot (DOT), the representative asset of the Avalanche (AVAX) ecosystem, as well as Moonbeam (GLMR), Tezos (XTZ), and other multi-chain ecosystem participants. Additionally, Beldex (BDXN) is also within the monitoring scope. These coins show certain short-term technical adjustment pressures, and investors can operate flexibly according to their risk tolerance and position. It is worth noting that market conditions change rapidly, so it is recommended to make comprehensive judgments based on real-time data and personal strategies.