ONE INVESTMENT Investing for Municipalities ONE Investment secure investor website - Investor Login High Interest Savings Account Ideal vehicle for short-term municipal reserves Performance Reports Individual investor returns may vary High Interest Savings Account (HISA) Details Advisory Services Learn More What We Offer Investment Options Current Balance $4.3 Billion (December 2024) Latest Newsletter 1 Investing in an Uncertain Market Prudent Investor 2 Equity Market Investment in Uncertain Economic and Political Times Investment Management 3 2025 Resolution: Explore Opportunities for Better Risk-Adjusted, Longer-term Investment Returns Prudent Investor