Group 1 - The cryptocurrency market is experiencing significant events in October, including the participation of qualified foreign institutional investors in ETF options trading, which could inject liquidity into the market [1] - The Ethereum Layer 2 fork upgrade on October 12 is anticipated to create new opportunities, potentially leading to an independent market trend for Ethereum or a resurgence of altcoins [1] - The Solana ETF review results are expected to be announced on October 18, which is a key event to watch this month [1] Group 2 - Bitcoin's price fluctuated between a high of $125,126 and a low of $122,000, with resistance at new highs and support at $120,000 [3] - Ethereum reached a high of $4,755 and a low of $4,610, with a critical support level at $4,550; maintaining above this level could lead to a test of the $4,800 resistance [3] - The market sentiment suggests a cautious approach, with a focus on the potential for capital to flow back into the cryptocurrency market as traditional markets open [3]