Cryptocurrency Market Weakness Continues as Bitcoin and Ethereum Decline

The cryptocurrency market is showing weakness as both Bitcoin and Ethereum posted declines over a 24-hour period. Bitcoin's market share expanded while Ethereum's slightly decreased, and derivative trading volume declined, reflecting a cautious short-term outlook. According to TokenPost Market data as of September 20, 2026, at 4:00 PM KST, Bitcoin traded at $80,284.04, down 0.90% from the previous day (approximately 111.33 billion won). Ethereum recorded a 2.00% drop to $2,573.75 (about 356 million won). Top altcoins generally showed weakness, with XRP -2.88%, BNB -1.31%, Solana -3.02%, Tron +0.68%, Dogecoin -2.39%, and Hyperliquid -2.03%. The total market capitalization of altcoins stands at $1.1292 trillion (approximately 1,565.9646 trillion won), with a 24-hour trading volume of $50.9622 billion (about 70.6715 trillion won). The overall cryptocurrency market capitalization reached $2.7419 trillion (around 3,802.4329 trillion won), while the 24-hour trading volume was $73.93196 billion (approximately 102.5247 trillion won). Bitcoin's market dominance increased to 58.82%, up 0.12% from the previous day, while Ethereum's share fell to 11.46%, down 0.10%. This suggests capital is concentrating more in Bitcoin relative to other assets. DeFi market capitalization stood at $83.23973 billion with a 24-hour trading volume of $12.0105 billion, down 26.48% from the previous day. Stablecoin market capitalization totaled $284.22536 billion (about 394.1478 trillion won), and its 24-hour trading volume was $74.22168 billion (approximately 102.9264 trillion won), a decline of 34.55%. Derivative market 24-hour trading volume decreased to $644.05769 billion (about 893.1432 trillion won), down 34.99% from the previous day, indicating reduced speculative betting and a more cautious market sentiment.