Tax-Loss Harvest Finder
Sell the loss, keep the exposure. For any fund, ranked stand-ins that track the same market — scored on a year of price correlation, holdings overlap, and fee — with a flag when two funds follow the same index and a swap could look substantially identical.
Correlation computed on ~250 shared sessions per pair · not tax advice — the flag is a heuristic, your compliance desk has the final word
Stand-ins for MGC — Vanguard Mega Cap Index Fund
| Substitute | Correlation | Book overlap | Fee vs MGC | Assets | Wash-sale read | |
|---|---|---|---|---|---|---|
| VOO Vanguard 500 Index Fund | 0.993 | 77% | -4bp | $500.4B | different index | Compare |
| VTI Vanguard Total Stock Market Index Fund | 0.984 | 73% | -4bp | $428.1B | different index | Compare |
| SPY SPDR S&P 500 ETF Trust | 0.991 | 82% | +2bp | $818.3B | different index | Compare |
| SPYI NEOS S&P 500(R) HIGH INCOME ETF | 0.931 | — | -7bp | $1.8B | different index | Compare |
| QQQ Invesco QQQ Trust | 0.942 | 56% | +13bp | $498.5B | different index | Compare |
| QAI IQ HEDGE MULTI-STRATEGY TRACKER ETF | 0.846 | — | -7bp | $575M | different index | Compare |
RANKED BY CORRELATION, FEE, AND OVERLAP · “SAME INDEX” PAIRS ARE FLAGGED BECAUSE THE IRS HAS NEVER DEFINED “SUBSTANTIALLY IDENTICAL” — MOST DESKS TREAT SAME-INDEX SWAPS AS OFF-LIMITS AND DIFFERENT-INDEX SWAPS AS DEFENSIBLE