Data as of Oct 28, 2026.
AOR vs SPYM: Differences, Returns & Fees
Over the year to Oct 28, 2026, AOR returned +7.8% to SPYM's +13.7%; 0% of their weight is in the same names.
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Net assets: $3.9bn on Oct 28, 2026 for iShares Core 60/40 Balanced Allocation ETF, and $185.0bn on Oct 27, 2026 for State Street SPDR Portfolio S&P 500 ETF.
Pair scorecard
SPYM costs 0.13 points a year less; their one-year returns differ by 5.9 points; SPYM is far larger, $185.0bn against $3.9bn.
| Measure | AOR | SPYM |
|---|---|---|
| Return | ||
| Total return, 1 year | +7.8% | +13.7% |
| Benchmark | ||
| What it tracks | 60/40 Balanced Allocation | S&P 500 Index |
| Cost and size | ||
| Expense ratio | 0.15% | 0.02% |
| Net assets, as of Oct 27, 2026 | $3.9bn | $185.0bn |
| Holdings | ||
| Holdings in common | 0% | |
| Top ten holdings, share of the fund | 99.9% | 38.1% |
Holdings in common uses holdings dated Oct 27, 2026. Method
Risk and return
Nov 21, 2008 to Oct 23, 2026 · 935 weekly returnsEach against its own benchmark: AOR against ACWI, Nov 21, 2008 to Oct 23, 2026; SPYM against IVV, Nov 25, 2005 to Oct 23, 2026.
SPYM returned more: +1,236.0% to +374.6%. AOR swung less: 12.6% to 16.7%. AOR fell less at its worst: −24.1% to −31.8%.
Full scorecard
19 measures, with how each is measured Open ↓
| Measure | AOR | SPYM | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +374.6% | +1,236.0% | SPYM | Price change plus distributions, reinvested. |
| Annualized | +9.0% | +15.5% | SPYM | Total return as a yearly rate. |
| Price return | +209.7% | +872.3% | SPYM | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 12.6% | 16.7% | AOR | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 7.9% | 11.2% | AOR | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −24.1% | −31.8% | AOR | Deepest fall from a high to the low after it. |
| Upside capture | 53.1% | 94.1% | Share of its benchmark's rise caught in the weeks it rose. | |
| Downside capture | 70.7% | 96.9% | Share of its benchmark's fall taken in the weeks it fell. Lower is better. | |
| Beta | 0.64 | 0.96 | Not an edge | How far it moves for each 1% its benchmark moves. |
| R squared | 0.77 | 0.95 | Not an edge | Share of its weekly moves its benchmark explains. |
| Risk-adjusted | ||||
| Sharpe | 0.63 | 0.86 | SPYM | Return above Treasury bills per unit of volatility. |
| Sortino | 1.01 | 1.28 | SPYM | Return above Treasury bills per unit of downside deviation. |
| Treynor | 0.124 | 0.106 | Return above Treasury bills per unit of beta. | |
| Calmar | 0.38 | 0.49 | SPYM | Annualized return divided by the max drawdown. |
| Against the benchmark | ||||
| Benchmark | ACWI | IVV | The ETF each fund is measured against. | |
| Alpha | +0.5% a year | +0.4% a year | Not significant | Yearly return beyond what its beta to the benchmark predicts. |
| Alpha t-stat | 0.36 | 0.53 | Not an edge | How sure the alpha is. Below 2, it could be chance. |
| Alpha range | −2.3% to +3.3% | −1.2% to +2.0% | Includes zero | The 95% range for the yearly alpha. |
| Information ratio | −0.42 | 0.00 | Return against its benchmark per unit of tracking error. | |
| Tracking error | 8.6% | 3.8% | Not an edge | How far weekly returns stray from the benchmark, annualized. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 935 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, AOR and SPYM hold 0% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
0% in common
Only in one fund ↓
Side by side
AOR and SPYM on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
AOR and SPYM do different jobs. What does each one do in a portfolio?
- What each follows. AOR follows 60/40 Balanced Allocation and SPYM follows S&P 500 Index.
- Holdings in common. 0% of the weight is in the same securities (holdings dated Oct 27, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 AOR returned +7.8% and SPYM +13.7% with distributions reinvested, a gap of 5.9 points.
Data as of Oct 28, 2026.
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AOR
AOR tracks an index of 60/40 Balanced Allocation. Over the year to Oct 28, 2026 it returned +7.8% with distributions reinvested, against +13.4% for its benchmark, the MSCI All Country World Index. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 7 positions, with the top ten at 99.9%.
SPYM
SPYM tracks the S&P 500. Over the year to Oct 28, 2026 it returned +13.7% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.02% a year. By its holdings published by its issuer for Oct 27, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 506 positions, with the top ten at 38.1%.
Questions people ask
- Which returned more over the last year, AOR or SPYM?
- In the year to Oct 28, 2026, with distributions reinvested, AOR returned +7.8% and SPYM +13.7%.
- Which is cheaper, AOR or SPYM?
- SPYM is cheaper, by 0.13 percentage points a year. That is about $13 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, AOR against SPYM, data as of Oct 28, 2026. https://etfiq.com/compare/any/aor-vs-spym
ETFIQ. (Oct 28, 2026). AOR against SPYM. Retrieved from https://etfiq.com/compare/any/aor-vs-spym
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