请问算得对吗Tax difference VTI (ETF) and VTSAX(mutual fund)

The tax benefit difference between VTI (ETF) and VTSAX (mutual fund) for a $1,000,000 investment will depend on the realized capital gains distributions from VTSAX and how they are taxed, as VTI typically has negligible distributions due to its tax-efficient structure. Heres a step-by-step analysis:

Assumptions

Investment Amount: $1,000,000.

Average Annual Return: 7% (a reasonable long-term stock market return).

Capital Gains Distributions for VTSAX: Historically, VTSAX has distributed 0.3% to 0.5% of Net Asset Value NAV annually as taxable capital gains.

Tax Rate:

Long-term capital gains tax rate: 15% (most investors).

For higher-income investors: 20% (plus a potential 3.8% Net Investment Income Tax for very high earners).

Tax Costs for VTSAX

Capital Gains Distribution: Assume VTSAX distributes 0.4% of NAV annually as capital gains.

Taxable Amount:

$1,000,000 0.4% = $4,000 (annual taxable capital gains).

Tax Liability:

At 15%: $4,000 15% = $600.

At 20%: $4,000 20% = $800.

With 3.8% NIIT: $4,000 23.8% = $952.

Tax Costs for VTI

Capital Gains Distributions: Negligible or zero for most years due to the in-kind creation/redemption process.

Taxable Amount: Zero under typical circumstances.

Cumulative Tax Difference Over Time

For simplicity, lets calculate the 10-year cumulative tax impact assuming no changes in tax rates or distributions:

VTSAX Annual Tax Cost (at 15% tax rate): $600.

Over 10 years: $600 10 = $6,000.

VTSAX Annual Tax Cost (at 20% tax rate): $800.

Over 10 years: $800 10 = $8,000.

VTSAX Annual Tax Cost (at 23.8% tax rate): $952.

Over 10 years: $952 10 = $9,520.

VTI Annual Tax Cost: Essentially $0.

Over 10 years: $0.

Summary of Tax Benefit Difference

If youre in the 15% tax bracket: $6,000 saved over 10 years by holding VTI instead of VTSAX.

If youre in the 20% tax bracket: $8,000 saved over 10 years.

If youre in the 23.8% tax bracket: $9,520 saved over 10 years.

This calculation demonstrates that the tax-efficiency of VTI can result in substantial savings over time, especially for high-net-worth individuals investing in taxable accounts.

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