As of Jul 19, 2023, Sustainable Development Acquisition I Corp. has 300 shares failed to deliver, representing 15.86% of the average daily volume of 1,891 shares. Over the past year, the monthly average FTD is 2,101 shares, with the current level 86% below the historical average, indicating low settlement pressure. The weighted FTD ratio above 1% suggests potential liquidity constraints or heightened short-selling activity.