Cryptocurrency options activity over the weekend pointed to ongoing market weakness, according to Greeks.live analyst Adam in a March 31 report via TechFlow. The largest block trade involved 250 naked put options sold at strike prices of $78,000 and $80,000, expiring on April 1.Following the March options expiry, institutional sentiment suggests further downside pressure in the market. Most large transactions centered on post-delivery position adjustments, with calendar spreads and vertical spreads being the preferred strategies.The options market is showing a negative Delta and positive Theta structure, indicating traders expect limited upside and are generating income from time decay. Notably, Ethereum displays a stronger bearish outlook compared to Bitcoin, signaling broader caution across altcoins.