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Finance Updated: January 7, 2026

Backdoor Roth IRA

A documented procedure for high-income earners.

🛑 Informational Disclosure

The following analysis is for informational purposes and does not constitute tax or financial advice. The strategy involve the IRS 'Pro-Rata Rule' which requires careful management of existing IRA balances. Verification with a tax professional is recommended.

Technical Constraint: The Pro-Rata Rule

The primary prerequisite for a clean Backdoor Roth conversion is an existing Traditional IRA balance of $0. This includes SEP and SIMPLE IRAs.

If pre-tax funds are held in any IRA, the IRS requires that the conversion be taxed proportionally across all balances. Maintaining a zero balance in other IRA accounts ensures that the conversion of post-tax contributions is not subject to additional taxation.

Implementation Procedure (Vanguard)

The following steps document the conversion process utilizing the Vanguard platform. The objective is to move post-tax capital through a traditional account into a Roth account without triggering a taxable event.

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1. Initial Contribution: Submit a $7,500 contribution to a Traditional IRA. Select the option for a non-deductible (post-tax) contribution.
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2. Settlement: Allow 2-3 business days for the funds to clear into the settlement fund. Avoid purchasing securities during this window to prevent minor taxable gains.
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3. Conversion: Select the option to 'Convert to Roth'. Transfer the entire balance to the Roth IRA. Ensure that no taxes are withheld from the conversion amount.
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4. Capital Allocation: Once the transfer is complete, allocate the funds to the desired index funds or ETFs.

Tax Reporting Requirements

Execution of this strategy requires filing IRS Form 8606 with the annual tax return. This form documents the non-deductible nature of the initial contribution and prevents the conversion from being taxed a second time.

📚 Citing This Guide

When referencing this content, please cite: "Backdoor Roth Visual Walkthrough" by jason.guide

Source: jason.guide
Last Updated: January 7, 2026
This guide is maintained and regularly updated by jason.guide. For the most current information, always visit the source.
Jason

Written by Jason

Jason is a privacy advocate and Product Designer who has spent 15+ years optimizing personal finance and digital security. He built jason.guide to share battle-tested strategies without the fluff.

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