The QBI deduction and prop firm payouts

Updated October 27, 2026 · For the 2026 tax year

Prop firm payouts reported on a 1099-NEC usually go on Schedule C as business income. Business income from a sole proprietorship can qualify for the qualified business income (QBI) deduction: up to 20% of it off your taxable income. Here's how it works for funded traders, and the one question to ask your CPA.

What the deduction is

The IRS describes it as a deduction of up to 20% of your net qualified business income, limited to 20% of your taxable income figured before the deduction (minus net capital gain). It's figured on Form 8995, or Form 8995-A at higher incomes.

Your QBI from payouts isn't the whole Schedule C profit. The IRS says to take off items such as the deductible part of self-employment tax, the self-employed health insurance deduction and retirement plan contributions (such as a SEP IRA or Solo 401(k)). Wages from a day job are never QBI.

What it lowers, and what it doesn't

The deduction comes off your taxable income, so it lowers federal income tax. It doesn't change your Schedule C profit, so self-employment tax on Schedule SE stays the same. It also doesn't lower your AGI, so it doesn't change whether the 110% safe-harbor rule applies to you, and states whose tax starts from federal AGI don't include it.

Example: a $5,000 payout

Single, $70,000 day job, $5,000 of payouts, no costs, 2026 IRS tables:

• Self-employment tax is $706.48, so its deductible half is $353.24.
• QBI: $5,000 − $353.24 = $4,646.76. 20% of that is $929.35.
• Taxable income before the deduction is $58,546.76 ($70,000 + $5,000 − $353.24 − the $16,100 standard deduction), so the 20%-of-taxable-income limit ($11,709.35) doesn't bite.
• That income is in the 22% bracket, so the deduction saves about $204 of federal income tax.

So the federal income tax on that payout drops from about $1,022 to about $818. The self-employment tax ($706) doesn't change. See how payouts are taxed for the full example.

New for 2026: a $400 minimum

For tax years starting in 2026, a change to the law adds a minimum QBI deduction of $400, and you need at least $1,000 of qualified business income to be eligible (IRS Rev. Proc. 2025-32). Ask your CPA how it applies to you.

The "trading" question

Some businesses are "specified service trades or businesses" (SSTBs), and the IRS list includes trading or dealing in securities and commodities. Whether a funded trader paid by a prop firm counts as being in the trading business for this rule isn't something the IRS addresses for prop firms specifically, so it's a question for your CPA.

For most funded traders it doesn't matter: if your taxable income before the QBI deduction is at or below the threshold, the IRS treats an SSTB as a qualified business anyway. For 2026 the threshold is:

• $403,500 if married filing jointly
• $201,775 if married filing separately
• $201,750 for everyone else

Above the threshold, the deduction phases down for an SSTB and is gone at $553,500 (joint), $276,775 (married filing separately) or $276,750 (all others). Wage and property limits can also apply above the threshold.

Why the PayoutTax calculator leaves it out

The calculator doesn't subtract the QBI deduction, and says so with each result. It depends on things only your return shows (other income, the trading question at higher incomes, retirement contributions), so leaving it out means you set aside a little more than you may owe. That's the safe direction. Getting money back in April beats owing it. Planning information, not tax advice: confirm with a CPA.

Sources

• IRS, Instructions for Form 8995 (2025): up to 20% of net QBI, the taxable-income limit, the deductible part of SE tax and other items that reduce QBI, wages not QBI, the SSTB list including trading, and the below-threshold exception
• IRS, Rev. Proc. 2025-32: 2026 threshold and phase-in amounts (section 4.26), and the $400 minimum deduction with $1,000 of QBI (section 3.12)
• IRS, Rev. Proc. 2025-32: 2026 tax brackets and standard deduction used in the example

General information, not tax advice. This guide explains common rules for US funded traders; your situation may differ. It isn't a substitute for a licensed CPA or IRS enrolled agent, so review your own numbers with one before you file or pay.