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SPTM tax-loss harvesting alternatives
State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF (State Street) tracks S&P Composite 1500. If you hold SPTM at a loss, these ETFs track a different index, which generally makes them less likely to be considered “substantially identical” — while still moving closely with SPTM during the 31-day wait.
| Held fund | Index tracked | Issuer | Expense ratio | AUM | Holdings | Category |
|---|---|---|---|---|---|---|
| SPTM State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF | S&P Composite 1500 | State Street | 0.03% | $14.29B | 1515 | US total market |
Sources: issuer fund page · public fund profile. Fund data as of 2026-10-16.
SPTM wash sale alternatives (different index)
| ETF | Index tracked | Issuer | Expense ratio | AUM | 1-yr correlation | Holdings overlap | Notes |
|---|---|---|---|---|---|---|---|
| ITOT iShares Core S&P Total U.S. Stock Market ETF | S&P TMI | BlackRock | 0.03% | $97.91B | 0.998 | 95.6% | different indexhigh overlap |
| IWB iShares Russell 1000 ETF | Russell 1000 | BlackRock | 0.15% | $49.49B | 0.998 | 95.5% | different indexhigh overlap |
| VTI Vanguard Morningstar Total Stock Market ETF | Morningstar US Total Market TR USD | Vanguard | 0.03% | $704.35B | 0.998 | 94.1% | different indexhigh overlap |
| SCHB Schwab U.S. Broad Market ETF | Dow Jones US Broad Stock Market | Charles Schwab | 0.03% | $45.29B | 0.998 | n/a | different index |
| IWV iShares Russell 3000 ETF | Russell 3000 | BlackRock | 0.20% | $20.66B | 0.998 | 95.3% | different indexhigh overlap |
| VOO Vanguard S&P 500 ETF | S&P 500 | Vanguard | 0.03% | $1.06T | 0.997 | 92.1% | different indexhigh overlap |
| SCHX Schwab U.S. Large-Cap ETF | Dow Jones US Total Stock Market Large-Cap | Charles Schwab | 0.03% | $75.28B | 0.997 | n/a | different index |
| DFAUactive Dimensional US Core Equity Market ETF | Actively managed (no index) | Dimensional | 0.12% | $13.12B | 0.997 | n/a | different strategy |
Sorted by 1-year correlation of daily total returns with SPTM (through 2026-10-16). Holdings overlap = sum of the smaller weight of each common stock, from issuer holdings files; “n/a” where the issuer does not offer a free download or for bond/international/commodity funds. Hover a value for its as-of dates.
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30-day wash-sale calendar for SPTM
The window is 30 calendar days before and after the sale (61 days total, IRC §1091(a)). Buying the replacement fund right away is the point of a swap; the dates above are about buying back the fund you sold, or anything substantially identical to it.
Before you swap
- Turn off dividend reinvestment for SPTM in every account (including IRAs) for the window — a reinvested dividend is a purchase.
- Check automatic investments, a spouse’s accounts, and any SPTM bought in the 30 days before the sale.
- Your broker generally only flags wash sales for the identical security in the same account. You are responsible for the rest.
- Read how wash sales work and the FAQ, then confirm your plan with a tax professional.