ソース:[1] US-listed SOL treasury company DFDV announces the launch of weekly options trading on the Chicago Board Options Exchange (https://www.techflowpost.com/newsletter/detai ...)[2] DeFi Development Corp. (DFDV) Announces Launch of Weekly Options on CBOE (https://vertexaisearch.cloud.google.com/groun ...)[3] Weekly options on DeFi Development Corp. stock now available on CBOE - Investing.com (https://vertexaisearch.cloud.google.com/groun ...)