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

How does the IRS determine substantial identity when evaluating potential wash sale violations between different S&P 500 index funds offered by Vanguard and iShares?

ChatGPTgpt-62 queries10/31/2026
Download run

Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
How does the IRS determine substantial identity when evaluating potential wash sale violations between different S&P 500 index funds offered by Vanguard and iShares?
2 real searches · 1 real-search pass
site:irs.gov Publication 550 wash sales substantially identical stock or securities substantially identical mutual funds ETFGoogle ↗
OBSERVED
IRS wash sale substantially identical ETFs same index S&P 500 Vanguard iShares guidanceGoogle ↗
OBSERVED

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 2 queries…

Searches and sources

ChatGPT2 real searches · gpt-6
site:irs.gov Publication 550 wash sales substantially identical stock or securities substantially identical mutual funds ETF Google ↗
IRS wash sale substantially identical ETFs same index S&P 500 Vanguard iShares guidance Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
site:irs.gov Publication 550 wash sales substantially identical stock or securities substantially identical mutual funds ETF
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
IRS wash sale substantially identical ETFs same index S&P 500 Vanguard iShares guidance
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1