📝 Executive Summary
While QQQ and QQQM track the identical Nasdaq-100 index, their distinct fee structures and liquidity profiles cater to different investor needs. QQQM offers a lower 0.15% expense ratio, making it the superior choice for long-term buy-and-hold retail investors. Conversely, QQQ remains the industry standard for active traders due to its unmatched options liquidity and tighter bid-ask spreads.