TQQQ delivers 3x the daily return of the Nasdaq-100 index, resetting to that leverage ratio at the end of every trading day. In a sustained technology bull market — like 2019-2020 or the AI-driven rally of 2023 — TQQQ can generate extraordinary returns that significantly exceed three times the Nasdaq-100's cumulative return due to beneficial compounding in a trending market. The danger is the reverse: in volatile or declining markets, TQQQ's daily compounding mechanic accelerates losses far beyond what a 3x cumulative exposure would suggest. In 2022, when QQQ fell approximately 33%, TQQQ fell over 80% — not the 99% that naive 3x math would suggest, but catastrophic nonetheless. Recovery requires the index to more than triple just to return to previous highs from TQQQ's trough. There is no expense ratio listed in the database, but leveraged ETF costs are embedded in the fund's financing costs and swap fees. TQQQ is not appropriate as a long-term buy-and-hold position for most investors — it is a tactical trading instrument for sophisticated investors with short-term directional views on the Nasdaq-100, sized as a small fraction of total capital given the extreme volatility.