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 $5.65 Billon (January 2026) Latest Newsletter 1 The case for municipal adoption of the Prudent Investor Regime – A PH&N Institutional/ONE Report Prudent Investor 2 Plan Ahead to Maximize Grant Funding Investment Planning 3 Investing for Longer-Term Outcomes: Thoughts at Budget Time Investment Planning