Generated September 19, 2026.
Overview
SPXL and UPRO are both 3x leveraged ETFs that track the S&P 500 with daily rebalancing. They deliver approximately triple the daily return (or loss) of the index, making them tactical tools for investors betting on near-term market strength rather than core holdings. The two funds track the same underlying index and carry nearly identical leverage, but differ slightly in fee structure, asset base, and issuer approach.
How they differ
Both seek 3x daily S&P 500 exposure and carry nearly identical betas (SPXL 3.12, UPRO 3.11), so their performance in any given day or week should move in lockstep. The first meaningful difference is cost: SPXL's expense ratio of 0.84% is 5 basis points cheaper than UPRO's 0.89%, a modest edge that compounds over time. Both distribute quarterly, though UPRO yields slightly higher at 0.78% versus SPXL's 0.71%; that difference is negligible and reflects daily decay dynamics rather than fundamental strategy. SPXL has the longer track record, having launched in 11/05/2008, while UPRO arrived in 06/23/2009.
UPRO: Fits investors comfortable with the ProShares framework and who may already hold other ProShares leveraged or inverse positions; brand consistency can simplify portfolio administration.
Key risks to know
- Daily rebalancing decay. Both funds reset their leverage daily, which means in choppy or sideways markets they will lag a static 3x position due to compounding losses on down days. Over longer holding periods (weeks to months), this drag becomes material regardless of overall market direction.
- Leverage amplifies downside. A 10% S&P 500 decline translates to roughly a 30% loss in either fund. In a severe correction, NAV can erode quickly, and investors may face forced liquidation if margin or structural limits bind.
- Not suitable for long-term buy-and-hold. These funds are designed for tactical directional bets lasting days to weeks. Holding beyond a few months—especially across market cycles—will likely underperform versus a simple 3x leveraged synthetic position or a smaller allocation to the unleveraged index. If you're already embedded in the ProShares ecosystem, UPRO integrates seamlessly and yields marginally higher. Both carry identical leverage risk and daily decay dynamics; the choice between them hinges on execution costs and operational preference rather than strategy. Neither is a substitute for long-term equity exposure—they are tactical instruments best held for weeks, not years.
AI-generated analysis for educational purposes only. Verify important details independently; past performance does not guarantee future results.