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Vanguard S&P 500 ETF vs iShares Core S&P 500 ETF
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Comparative Analysis
IVV wins this head-to-head comparison against VOO, driven by slightly stronger technical momentum and a marginally better year-to-date return. While both ETFs offer broad exposure to large-cap U.S. equities with identical expense ratios, IVV's current price action and recent performance indicate a slight edge. Investors seeking a core U.S. equity holding will find both suitable, but IVV presents a marginally more compelling technical picture at this time. The choice between them often comes down to subtle performance differences and specific sector tilts within their portfolios. Ultimately, the decision hinges on whether to prioritize IVV's current technical strength or VOO's slightly longer-term performance consistency.
Key Differentiator
The key differentiator between VOO and IVV lies in their subtle performance and technical nuances, despite their near-identical objectives and expense ratios. IVV currently exhibits slightly stronger momentum, as indicated by its higher RSI and MACD values, and is trading closer to its 52-week high. While both are excellent choices for broad market exposure, IVV's current technical strength gives it a marginal edge in this comparison. The choice between them often boils down to these minor performance differences rather than fundamental distinctions.
Joint Outlook
The outlook for both VOO and IVV remains closely tied to the performance of the broader U.S. equity market and the S&P 500 index. In a continued bull market scenario, both ETFs are expected to deliver positive returns, with IVV potentially leading due to its current technical strength. However, if market conditions deteriorate or a significant correction occurs, both will experience commensurate declines. A scenario where interest rates remain elevated could pressure growth stocks, which form a substantial part of both ETFs' holdings. Conversely, a dovish shift from the Federal Reserve could provide a tailwind for large-cap equities.
Price Analysis Comparison
Asset Metrics
| Metric | VOO | IVV |
|---|---|---|
| 52 Week Range | $578.46 - $718.47 | $632.14 - $785.03 |
| Prev. Close | $711.28 | $777.27 |
| Market Cap | N/A | 446.58B |
| 24h Volume | 4.34M | 3.08M |
Their valuation is inherently tied to the underlying S&P 500 index constituents. Both ETFs track large-cap U.S. stocks, meaning their valuation is a reflection of the aggregate market's price-to-earnings, price-to-book, and other fundamental ratios of the companies they hold. Since they hold highly similar baskets of stocks, their valuation profiles are virtually identical. Any minor differences in valuation would stem from slight variations in sector weightings or the specific constituents included in their respective indices. The expense ratio comparison is a direct cost valuation, and both VOO and IVV are tied at $3.00 per $10,000 invested, making them equally cost-effective from a fee perspective.
Market Performance
| Metric | VOO | IVV |
|---|---|---|
| Volatility (30D) | 12.14% | 12.15% |
| 24h Range | $712.54 - $716.44 | $778.59 - $782.86 |
| Market Strength (RSI) | 53.2 | 55.5 |
| Trend (SMA 50) | Bullish | Bullish |
Both assets exhibit similar volatility levels (~12%). Market momentum is currently Bullish for both.
Technical Indicators
| Indicator | VOO | IVV |
|---|---|---|
| RSI (14) | 53.19 | 55.54 |
| 50-Day MA | $705.77 | $770.99 |
| 200-Day MA | $664.77 | $726.13 |
IVV shows a slight technical edge over VOO, with a higher RSI of 55.54 compared to VOO's 53.19, indicating stronger current momentum. Both ETFs are trading above their 50-day and 200-day moving averages, confirming an overall uptrend. IVV's price is currently closer to its 52-week high of $785.03 compared to VOO's proximity to its $718.47 high, suggesting better recent performance. The MACD values are also slightly more favorable for IVV (3.26 vs. 2.87 for VOO), reinforcing its stronger short-term technical picture. Both exhibit high stochastic readings, indicating they are in overbought territory, which in strong trend phases can persist.
AI Analyst Sentiment
Technical rating: based on current price action versus moving averages and momentum. This measures short-term chart trend, not analyst opinion or company fundamentals.
VOO
Technical Score: 75/100
IVV
Technical Score: 75/100
As broad-market ETFs, VOO and IVV do not have analyst ratings or median price targets. Their sentiment is primarily driven by market-wide factors and investor flows into large-cap U.S. equity exposure. The lack of specific analyst coverage means sentiment must be inferred from price action and broader market trends. Both ETFs are widely held and considered core portfolio components, suggesting generally positive sentiment among institutional and retail investors. Any shifts in sentiment would likely be correlated with overall market movements and economic news impacting the S&P 500.
Risk Stratification
| Metric | VOO | IVV |
|---|---|---|
| Sharpe Ratio | 0.84 | 0.83 |
The primary risk for both VOO and IVV is market risk, stemming from the potential for a downturn in the broader U.S. equity market, particularly the S&P 500. Both ETFs are highly correlated to the performance of large-cap U.S. companies, making them susceptible to economic recessions, geopolitical events, or significant shifts in investor sentiment. Given their identical expense ratios and similar sector exposures, the specific risks differentiating them are minimal. However, IVV's slightly higher current price relative to its 52-week low might suggest a marginally greater exposure to potential pullbacks if the market corrects. Conversely, VOO's slightly longer track record might be perceived as a minor risk mitigation factor by some investors.
Comparative ProTips
- Consider IVV if prioritizing current technical momentum, but recognize VOO's slightly stronger long-term performance history.
- For core S&P 500 exposure, both ETFs are excellent choices due to their low costs and broad diversification.
- Monitor sector rotations within the S&P 500, as both ETFs will reflect these shifts, with Technology being the dominant sector.
Monte Carlo Projection (10yr)
Actionable Trade Plans
Compare entry, exit, and risk management levels for both assets
Select Your Trade Bias
Risk Tolerance
Conservative
3%
Aggressive
Portfolio Value
$
✎
Position Size: $200 - $300 per asset
VOO
Current: $715.59
ENTRY ZONES
Conservative
$679.81
Aggressive
$715.59
RISK MANAGEMENT
STOP LOSS
$659.42
MAX LOSS
-3%
Volatility-Adjusted Stop Loss
Calculated based on volatility and technical support levels.
Profit Targets (Based on Conservative)
+5%
$713.80
+10%
$747.79
+15%
$781.78
IVV
Current: $781.97
ENTRY ZONES
Conservative
$742.87
Aggressive
$781.97
RISK MANAGEMENT
STOP LOSS
$720.59
MAX LOSS
-3%
Volatility-Adjusted Stop Loss
Calculated based on volatility and technical support levels.
Profit Targets (Based on Conservative)
+5%
$780.02
+10%
$817.16
+15%
$854.30
Calculate Your Trade
Disclaimer
This comparison involves assets with varying risk profiles. The content is for educational purposes only. Identifying the stronger asset is based on relative strength (RS) and technical convergence. Past correlation does not guarantee future lockstep movement. Trading involves risk of loss. Note: The AI favored IVV based on technical setup. This is valid for the specified timeframe only.
Frequently Asked Questions
Which is a better buy, VOO or IVV?+
IVV is marginally preferred due to slightly stronger current technical momentum, indicated by a higher RSI and MACD. Both ETFs offer nearly identical broad market exposure and have the same low expense ratio of 0.03%.
What are the key risks for VOO vs IVV?+
The primary risk for both ETFs is broad market downturns affecting the S&P 500. IVV's slightly higher current price relative to its 52-week low could imply a marginally greater risk in a sharp market correction.
How do VOO and IVV compare on expense ratios?+
Both VOO and IVV have identical expense ratios of 0.03%, making them equally cost-effective for investors. This translates to $3.00 in costs for every $10,000 invested annually.
What is the historical performance difference between VOO and IVV?+
While performance is very similar, IVV has shown slightly better year-to-date and 1-year trailing returns compared to VOO. However, VOO demonstrates slightly stronger performance over 3, 5, and 10-year periods.
How diversified are VOO and IVV?+
Both ETFs offer exceptional diversification by tracking the S&P 500 index, providing exposure to approximately 500 of the largest U.S. publicly traded companies across various sectors.
What are the main sector exposures for VOO and IVV?+
Both ETFs are heavily weighted towards Technology, with VOO at 38.72% and IVV at 38.69%. Other significant sectors include Healthcare, Financial Services, and Communication Services for both.
When were VOO and IVV established?+
VOO (Vanguard S&P 500 ETF) was established on November 13, 2000, while IVV (iShares Core S&P 500 ETF) was established on May 15, 2000, giving IVV a slight head start in history.