SPTM vs. IBID
SPTM (SPDR Portfolio S&P 1500 Composite Stock Market ETF) and IBID (iShares iBonds Oct 2027 Term TIPS ETF) are both exchange-traded funds - SPTM is a Large Cap Blend Equities fund tracking the S&P Composite 1500 Index, while IBID is a Inflation-Protected Bonds fund tracking the ICE 2027 Maturity US Inflation-Linked Treasury Index. Both are passively managed. Over the past year, SPTM returned 23.97% vs 3.92% for IBID. At a 0.02 correlation, their price movements are largely independent. SPTM charges 0.03%/yr vs 0.10%/yr for IBID.
Performance
SPTM vs. IBID - Performance Comparison
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Returns By Period
In the year-to-date period, SPTM achieves a 8.72% return, which is significantly higher than IBID's 1.94% return.
SPTM
- 1D
- -1.32%
- 1M
- -1.02%
- YTD
- 8.72%
- 6M
- 7.68%
- 1Y
- 23.97%
- 3Y*
- 20.38%
- 5Y*
- 12.72%
- 10Y*
- 15.36%
IBID
- 1D
- -0.05%
- 1M
- -0.25%
- YTD
- 1.94%
- 6M
- 2.03%
- 1Y
- 3.92%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
SPTM vs. IBID - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
SPTM SPDR Portfolio S&P 1500 Composite Stock Market ETF | 8.72% | 16.93% | 23.87% | 6.60% |
IBID iShares iBonds Oct 2027 Term TIPS ETF | 1.94% | 5.66% | 4.71% | 2.61% |
Correlation
The correlation between SPTM and IBID is -0.13, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.13 |
Correlation (All Time) Calculated using the full available price history since Sep 15, 2023 | 0.02 |
The correlation between SPTM and IBID shifts across timeframes, from -0.13 (1 year) to 0.02 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
SPTM vs. IBID — Risk / Return Rank
SPTM
IBID
SPTM vs. IBID - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR Portfolio S&P 1500 Composite Stock Market ETF (SPTM) and iShares iBonds Oct 2027 Term TIPS ETF (IBID). 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.
| SPTM | IBID | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.26 | ||
| Sortino ratioReturn per unit of downside risk | -2.75 | ||
| Omega ratioGain probability vs. loss probability | 1.35 | 1.72 | -0.37 |
| Calmar ratioReturn relative to maximum drawdown | 2.77 | 7.20 | -4.43 |
| Martin ratioReturn relative to average drawdown | 12.49 | 29.14 | -16.65 |
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Drawdowns
SPTM vs. IBID - Drawdown Comparison
The maximum SPTM drawdown since its inception was -54.80%, which is greater than IBID's maximum drawdown of -1.28%. Use the drawdown chart below to compare losses from any high point for SPTM and IBID.
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Drawdown Indicators
| SPTM | IBID | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.80% | -1.28% | -53.52% |
Max Drawdown (1Y)Largest decline over 1 year | -8.68% | -0.55% | -8.13% |
Max Drawdown (3Y)Largest decline over 3 years | -18.87% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -24.14% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -34.66% | — | — |
Current DrawdownCurrent decline from peak | -2.80% | -0.55% | -2.25% |
Average DrawdownAverage peak-to-trough decline | -9.03% | -0.22% | -8.81% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.92% | 0.13% | +1.79% |
Volatility
SPTM vs. IBID - Volatility Comparison
SPDR Portfolio S&P 1500 Composite Stock Market ETF (SPTM) has a higher volatility of 4.79% compared to iShares iBonds Oct 2027 Term TIPS ETF (IBID) at 0.35%. This indicates that SPTM's price experiences larger fluctuations and is considered to be riskier than IBID based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SPTM | IBID | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.79% | 0.35% | +4.44% |
Volatility (6M)Calculated over the trailing 6-month period | 9.82% | 0.86% | +8.96% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.51% | 1.23% | +11.28% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.96% | 2.24% | +14.72% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.04% | 2.24% | +15.80% |
SPTM vs. IBID - Expense Ratio Comparison
SPTM has a 0.03% expense ratio, which is lower than IBID's 0.10% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
SPTM vs. IBID - Dividend Comparison
SPTM's dividend yield for the trailing twelve months is around 1.08%, less than IBID's 3.68% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBID iShares iBonds Oct 2027 Term TIPS ETF | 3.68% | 4.43% | 4.24% | 0.81% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
SPTM SPDR Portfolio S&P 1500 Composite Stock Market ETF | 1.08% | 1.13% | 1.28% | 1.44% | 1.69% | 1.25% | 1.56% | 1.72% | 1.90% | 1.66% | 1.91% | 1.92% |
Frequently Asked Questions
SPTM and IBID have a correlation of -0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SPTM has higher volatility (4.79%) compared to IBID (0.35%). In terms of maximum drawdown, SPTM dropped -54.80% vs IBID's -1.28%.
On 1-year performance, SPTM leads with 23.97% vs 3.92% for IBID. On fees, SPTM is cheaper at 0.03% per year. On volatility, IBID has been the lower-risk option at 0.35%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, SPTM has performed better with a 23.97% return vs 3.92%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SPTM is cheaper with a 0.03% expense ratio, compared with 0.10% for IBID.
IBID has the higher dividend yield at 3.68%, compared with 1.08% for SPTM.
SPTM is categorized as Large Cap Blend Equities, while IBID is Inflation-Protected Bonds. SPTM tracks S&P Composite 1500 Index, while IBID tracks ICE 2027 Maturity US Inflation-Linked Treasury Index. They also come from different issuers: State Street and iShares. Their fees differ too: 0.03% for SPTM and 0.10% for IBID.
IBID currently has the higher Sharpe Ratio (3.19 vs 1.93), 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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