Real ChatGPT answer · index seedGHlhzKVehaocompleteFinance and banking · investing and brokeragescommercial

Can you compare the expense ratios and historical tracking error of the lowest-cost S and P 500 mutual funds currently available across major brokerages?

ChatGPTgpt-63 queries10/31/2026
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The searches the AI actually ran for this prompt.

SEED QUERY
Can you compare the expense ratios and historical tracking error of the lowest-cost S and P 500 mutual funds currently available across major brokerages?
3 real searches · 1 real-search pass
2026 lowest expense ratio S&P 500 index mutual funds FXAIX SWPPX VFIAX expense ratio tracking error historical returns fact sheetGoogle ↗
OBSERVED
FXAIX SWPPX VFIAX 10 year annualized tracking difference S&P 500 index fund fact sheetGoogle ↗
OBSERVED
S&P 500 index mutual fund expense ratio 2026 Fidelity Schwab Vanguard State StreetGoogle ↗
OBSERVED

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Classifying 3 queries…

Searches and sources

ChatGPT3 real searches · gpt-6
2026 lowest expense ratio S&P 500 index mutual funds FXAIX SWPPX VFIAX expense ratio tracking error historical returns fact sheet Google ↗
FXAIX SWPPX VFIAX 10 year annualized tracking difference S&P 500 index fund fact sheet Google ↗
S&P 500 index mutual fund expense ratio 2026 Fidelity Schwab Vanguard State Street Google ↗
  1. FXAIX - Fidelity ® 500 Index Fund · fundresearch.fidelity.com
  2. Schwab S&P 500 Index Fund Info (SWPPX) · schwabassetmanagement.com
  3. Vanguard Mutual Funds List · investor.vanguard.com
  4. Fidelity 500 Index Fund · institutional.fidelity.com
  5. Tracking Difference: How Far Index Funds Trail Their Index · indexkite.com
  6. Vanguard VFIAX – fund information · investor.vanguard.com

Queries

3 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
2026 lowest expense ratio S&P 500 index mutual funds FXAIX SWPPX VFIAX expense ratio tracking error historical returns fact sheet
OBSERVED
Google ↗
AI Mode ↗
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FXAIX SWPPX VFIAX 10 year annualized tracking difference S&P 500 index fund fact sheet
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
S&P 500 index mutual fund expense ratio 2026 Fidelity Schwab Vanguard State Street
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1