ITOT vs. O
ITOT (iShares Core S&P Total U.S. Stock Market ETF) is Large Cap Blend Equities fund tracking the S&P Total Market Index, while O (Realty Income Corporation) is a stock. Over the past 10 years, ITOT returned 14.99%/yr vs 4.89%/yr for O. At a 0.47 correlation, their price movements are largely independent.
Performance
ITOT vs. O - Performance Comparison
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Returns By Period
In the year-to-date period, ITOT achieves a 9.69% return, which is significantly lower than O's 13.70% return. Over the past 10 years, ITOT has outperformed O with an annualized return of 14.99%, while O has yielded a comparatively lower 4.89% annualized return.
ITOT
- 1D
- 0.59%
- 1M
- 0.46%
- YTD
- 9.69%
- 6M
- 9.77%
- 1Y
- 24.78%
- 3Y*
- 20.61%
- 5Y*
- 12.20%
- 10Y*
- 14.99%
O
- 1D
- 1.31%
- 1M
- 2.40%
- YTD
- 13.70%
- 6M
- 11.57%
- 1Y
- 14.25%
- 3Y*
- 6.59%
- 5Y*
- 3.49%
- 10Y*
- 4.89%
ITOT vs. O - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ITOT iShares Core S&P Total U.S. Stock Market ETF | 9.69% | 17.00% | 23.80% | 26.12% | -19.47% | 25.68% | 20.71% | 30.67% | -5.33% | 21.37% |
O Realty Income Corporation | 13.70% | 12.20% | -2.11% | -4.55% | -7.38% | 23.95% | -11.60% | 21.27% | 15.94% | 3.67% |
Correlation
The correlation between ITOT and O is 0.01, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.01 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.16 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.33 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.33 |
Correlation (All Time) Calculated using the full available price history since Jan 23, 2004 | 0.47 |
Over the past year, the correlation between ITOT and O has dropped to 0.01 - well below their long-term average of 0.47, suggesting their price drivers have been diverging.
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Return for Risk
ITOT vs. O — Risk / Return Rank
ITOT
O
ITOT vs. O - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core S&P Total U.S. Stock Market ETF (ITOT) and Realty Income Corporation (O). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| ITOT | O | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.08 | ||
| Sortino ratioReturn per unit of downside risk | +1.40 | ||
| Omega ratioGain probability vs. loss probability | 1.35 | 1.15 | +0.20 |
| Calmar ratioReturn relative to maximum drawdown | 2.80 | 1.29 | +1.51 |
| Martin ratioReturn relative to average drawdown | 12.50 | 3.12 | +9.38 |
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Drawdowns
ITOT vs. O - Drawdown Comparison
The maximum ITOT drawdown since its inception was -55.20%, which is greater than O's maximum drawdown of -48.45%. Use the drawdown chart below to compare losses from any high point for ITOT and O.
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Drawdown Indicators
| ITOT | O | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.20% | -48.45% | -6.75% |
Max Drawdown (1Y)Largest decline over 1 year | -8.90% | -11.10% | +2.20% |
Max Drawdown (3Y)Largest decline over 3 years | -19.44% | -26.49% | +7.05% |
Max Drawdown (5Y)Largest decline over 5 years | -25.36% | -34.48% | +9.12% |
Max Drawdown (10Y)Largest decline over 10 years | -35.00% | -48.28% | +13.28% |
Current DrawdownCurrent decline from peak | -2.12% | -5.94% | +3.82% |
Average DrawdownAverage peak-to-trough decline | -6.96% | -9.20% | +2.24% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.99% | 4.58% | -2.59% |
Volatility
ITOT vs. O - Volatility Comparison
The current volatility for iShares Core S&P Total U.S. Stock Market ETF (ITOT) is 4.57%, while Realty Income Corporation (O) has a volatility of 5.29%. This indicates that ITOT experiences smaller price fluctuations and is considered to be less risky than O based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ITOT | O | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.57% | 5.29% | -0.72% |
Volatility (6M)Calculated over the trailing 6-month period | 9.85% | 11.98% | -2.13% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.69% | 16.21% | -3.52% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.43% | 18.92% | -1.49% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.29% | 25.64% | -7.35% |
Dividends
ITOT vs. O - Dividend Comparison
ITOT's dividend yield for the trailing twelve months is around 0.99%, less than O's 5.16% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ITOT iShares Core S&P Total U.S. Stock Market ETF | 0.99% | 1.11% | 1.23% | 1.47% | 1.66% | 1.18% | 1.41% | 1.88% | 2.14% | 1.69% | 1.83% | 2.01% |
O Realty Income Corporation | 5.16% | 6.19% | 5.37% | 5.33% | 4.68% | 3.87% | 4.51% | 3.69% | 4.19% | 4.45% | 4.18% | 4.41% |
Frequently Asked Questions
ITOT and O have a correlation of 0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
O has higher volatility (5.29%) compared to ITOT (4.57%). In terms of maximum drawdown, ITOT dropped -55.20% vs O's -48.45%.
ITOT currently has the higher Sharpe Ratio (1.96 vs 0.88), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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