Generated October 3, 2026.
Overview
IVV and SPY are both ETFs that track the S&P 500 Index, holding the same 500 large-cap U.S. companies in nearly identical weights. The key distinction is cost: IVV charges 0.03%, while SPY charges 0.0945% — a gap that compounds over decades despite both funds holding effectively identical underlying exposure.
How they differ
The main difference is the expense ratio. IVV's 0.03% fee is roughly 63 basis points cheaper than SPY's 0.0945%, a material advantage for long-term holders. Both distribute quarterly, but IVV yields 1.14% versus SPY's 0.98%, a difference likely driven by minor tax-efficiency variations or cash-drag timing rather than strategy divergence. SPY is the older fund (inception 01/22/1993) and benefits from longer brand recognition, while IVV launched 05/15/2000, arriving when ETFs were already established.
Who each is best for
- IVV: Fits buy-and-hold investors prioritizing the lowest ongoing cost drag over a 20+ year horizon, where even small fee differences accumulate into meaningful capital preservation.
- SPY: Fits investors who value the largest ecosystem of options strategies, futures contracts, and third-party financial products built around the ticker, or those indifferent to a ~6 basis-point fee premium.
Key risks to know
- Index concentration: Both funds hold 500 names but remain heavily weighted toward mega-cap tech and finance — a single sector downturn or regulatory shock can ripple through the entire portfolio.
- Fee drag over time: SPY's higher expense ratio, though modest in absolute terms, compounds to meaningful underperformance versus IVV over 30+ years, even before any price-per-share divergence.
- Tracking error from cash: Both ETFs hold small cash positions and incur trading costs, meaning neither will perfectly match the S&P 500's daily return; IVV's lower fee ratio gives it a marginal edge in closing that gap.
Bottom line
If you're building a core large-cap equity position and plan to hold for decades, IVV's 0.03% expense ratio offers a cleaner math story than SPY's 0.0945%. If you actively trade options or rely on SPY-linked derivatives for hedging, SPY's established ecosystem may justify staying put. Past performance does not predict future results; both will track the broader market's ups and downs within their stated fee bands.
AI-generated analysis for educational purposes only. Verify important details independently; past performance does not guarantee future results.
