Professional Gambler Tax Status: IRS Criteria, Schedule C Reporting, and the 2026 Comparison

Updated for the One Big Beautiful Bill Act (P.L. 119-21, signed July 4, 2025) - The OBBBA permanently extended TCJA's expanded definition of 'losses from wagering transactions' to include business expenses and added the 90% deduction limit. That narrows a potential advantage professional gamblers would have regained after 2025 under pre-TCJA law, but the professional-versus-recreational tax result remains fact-specific.

In This Article

1. The Groetzinger standard: how the courts define a professional gambler
2. The nine-factor hobby loss test (IRC Section 183)
3. Professional vs. recreational: side-by-side comparison
4. How OBBBA narrowed the pre-2026 professional-treatment advantage
5. Potential consequences when the facts support professional treatment
6. Key cases that shaped the law
7. Documentation requirements
8. NJ treatment of professional gamblers
9. Worked dollar example: professional vs. recreational comparison
10. Frequently asked questions

When the facts establish a gambling trade or business, an individual generally reports the activity on Schedule C, with consequences that can include business-expense treatment, self-employment tax, Social Security credits, and access to eligible self-employed retirement and health-insurance rules. The OBBBA's 90% deduction limit changed the comparison beginning in 2026. Neither classification is universally better: winnings, losses, expenses, itemization, possible QBI, self-employment tax, and state treatment all affect the result, while the underlying facts determine the classification.

Identify the taxpayer, activity, and legal owner before selecting any return path. Entity classification, disregarded-entity rules, information returns, payment flow, governing agreements, and the complete facts can change the return. This page does not prescribe Schedule C, Schedule E, Schedule K-1, an entity, or an election. Forming an entity does not by itself create trade-or-business status, and entity or contract questions may require independent counsel.

The Groetzinger Standard: How the Courts Define a Professional Gambler

The Supreme Court established the standard in Commissioner v. Groetzinger (480 U.S. 23, 1987). Robert Groetzinger went to the racetrack 6 days per week for 48 weeks per year, spending 60-80 hours per week studying racing data and placing wagers. He wagered $72,032, won $70,000, and had a net loss of $2,032. He had no other employment.

The Court ruled 6-3 (Justice Blackmun writing) that gambling constitutes a 'trade or business' when the taxpayer pursues it full time, in good faith, and with regularity, to the production of income for a livelihood. The Court explicitly rejected the 'Frankfurter gloss' - you do NOT need to hold yourself out to others or sell goods/services.

The Nine-Factor Hobby Loss Test (IRC Section 183)

IRC Section 183 applies nine non-exclusive factors from Treas. Reg. 1.183-2(b) to whether the gambling activity is engaged in for profit; no factor or numerical majority controls. Section 183(d) creates a rebuttable presumption only of profit motive when gross income exceeds attributable deductions in 3 of 5 consecutive years. It is not a safe harbor: failure creates no contrary hobby presumption, and meeting it does not by itself establish a Section 162 trade or business or Schedule C treatment. Groetzinger's continuity-and-regularity inquiry remains separate:

Factor 1: Manner Carried On

Detailed records, a separate bank account, result tracking, operational changes, and a written profit plan are relevant evidence. Rev. Proc. 77-29 describes recordkeeping for gambling wins and losses, but no single record decides profit motive.

Factor 2: Expertise

Have you studied the games, developed and refined systems, attended training, kept records, and adapted your method over time? Treas. Reg. 1.183-2 weighs preparation, expertise, and operating method on all the facts - it does not rank poker over slots as a matter of law, so a systematic, well-documented slot player can satisfy this factor while a casual poker player may not. Baxter v. United States (633 F. Supp. 912 (D. Nev. 1986), arising under the former Sections 1348 and 911 maximum-tax rules, on extraordinary facts) treated a full-time professional poker player's winnings as earned personal-service income; it is not a modern Section 183 skill-game taxonomy or a general rule that poker skill by itself establishes a gambling trade or business.

Factor 3: Time and Effort

Groetzinger spent 60-80 hours/week. Myers (T.C. Summ. Op. 2007-194, nonprecedential) prevailed at about 40 hours/week of slot play while also spending 25-35 hours/week running the trucking business she owned. There's no minimum-hours rule - courts weigh continuity, regularity, and profit motive, and fewer hours simply means the other facts have to carry more weight.

Factor 4: Expectation of Asset Appreciation

This factor may be neutral when the activity has no relevant appreciating assets; its application depends on the actual activity and property.

Factor 5: Success in Similar Activities

Success in converting similar activities from unprofitable to profitable is relevant on the facts.

Factor 6: History of Income/Losses

Losses, their causes, the startup period, and operational responses are relevant. Repeated losses do not create a contrary hobby presumption.

Factor 7: Occasional Profits

The amount of profits relative to losses and the taxpayer's investment is relevant.

Factor 8: Financial Status

A high-income professional claiming gambling losses raises hobby red flags. Merkin: Park Avenue psychiatrist - overstated hours (claimed 1,128, actual 319).

Factor 9: Personal Pleasure

Personal enjoyment is relevant but does not decide profit motive or trade-or-business status.

What the case law actually shows: commentators have tabulated the decided cases and found taxpayers with more favorable facts win more often - no surprise. But Treas. Reg. §1.183-2(b) says the determination is NOT made by counting factors, so treat any '3 factors = 60%' style scoring as a reading aid, not a probability. The IRS and the courts look at the whole picture.

Professional vs. Recreational: Side-by-Side Comparison

How OBBBA Narrowed the Pre-2026 Professional-Treatment Advantage

In Mayo v. Commissioner (136 T.C. 81 (2011)), the Tax Court allowed a professional gambler's ordinary and necessary business expenses to be deducted separately from the IRC Section 165(d) limit on wagering losses. The TCJA temporarily expanded the definition of wagering losses for 2018-2025 to include those business expenses. Without further legislation, the pre-TCJA treatment reflected in Mayo would have resumed after 2025.

The OBBBA made the expanded definition permanent and added a 90% limit. For tax years beginning after 2025, Section 165(d) allows only 90% of otherwise allowable wagering losses and expenses, and the allowable amount cannot exceed wagering gains. For a casual gambler, the federal wagering-loss deduction remains an itemized deduction. This reduces the potential federal advantage of professional treatment relative to the pre-TCJA rules that otherwise would have returned, but it does not make recreational treatment uniformly better. The following example illustrates one set of facts:

Worked Example: Professional Gambler in 2026

• Gross winnings: $700,000
• Wagering losses: $560,000
• Business expenses (travel, software, coaching, home office): $70,000
• Total deductions: $630,000
• 90% of total deductions: $567,000
• Taxable income: $133,000 - despite only ~$70,000 of actual economic profit ($700K - $560K - $70K), so ~$63,000 is phantom income created purely by the 90% cap
• Federal before any conditional QBI deduction: SE base $133,000 × 92.35% = $122,825.50; SE tax = $18,792.30; deductible half = $9,396.15; taxable income after the $16,100 single standard deduction = $107,503.85; graduated federal income tax = $18,398.92; combined federal tax ≈ $37,191
• NJ is not $0. On simplified single/no-other-income facts, the result depends on how the separate $70,000 of business expenses is classified under NJ law: roughly $2,321 to $6,728, not zero. A return-specific NJ category analysis is required.

A recreational gambler with the same $700K wins and $560K losses (but no deductible business expenses) faces this math under OBBBA §70114: 90% of $560K losses = $504K of itemized deductions. Because income before itemized deductions ($700,000) exceeds the $640,600 single threshold at which the 37% bracket begins, the revived Section 68 limitation also trims those deductions by 2/37 of the lesser of the $504,000 deduction or the $59,400 excess - about $3,211 - so taxable income = $700K - $504K + $3,211 = $199,211. That's $140,000 of actual economic profit plus roughly $59,000 of 'phantom income' from the 90% cap and Section 68 together. Using the 2026 single brackets, federal tax on $199,211 is about $40,409: $17,966 through $105,700 plus $93,511 × 24%. Tax on $140,000 alone is $26,198, so the phantom income adds about $14,200. Professional status changes the deduction and SE-tax mechanics; it is not a flat marginal-rate comparison.

Potential Consequences When the Facts Support Professional Treatment

Professional status is not an election made solely to obtain a preferred tax result; the activity must satisfy the governing facts-and-circumstances standards. When those facts support trade-or-business treatment, relevant consequences can include:

1. Net profit above $50K consistently: SE tax hurts, but the QBI deduction (up to 20%, if a valid Section 162 gambling trade or business exists and the other Section 199A tests are met), health insurance deduction, and retirement plan contributions may offset it (a $400 minimum QBI deduction applies for 2026 when active QBI is at least $1,000)
2. Solo 401(k) contributions: Up to $24,500 employee deferral (TY2026) + employer profit-sharing of ~20% of net self-employment earnings (the 25% plan rate translates to ~20% of net profit for a sole proprietor) = significant tax-deferred savings. Example: $100K net profit allows ~$43,100 in total contributions
3. Health insurance: Self-employed health insurance deduction under IRC 162(l) - available to professional gamblers but NOT recreational
4. Social Security credits: Earned through SE tax. Minimum ~$7,560 of net earnings from self-employment (as computed on Schedule SE) for 4 credits in 2026 ($1,890 per credit per the SSA 2026 fact sheet); 40 credits (about 10 years) = retirement-benefit eligibility

Key Cases That Shaped the Law

Winners (Taxpayers Who Qualified)

• Groetzinger (1987): Supreme Court, 6-3. Full-time racetrack bettor, 60-80 hrs/week
• Castagnetta (T.C. Summ. Op. 2006-24): Truck driver three days a week; handicapped and bet harness races at Yonkers on more than 250 days in 2001 with meticulous records (daily wagers and winnings, speed figures, losing tickets). Held: trade or business. (Summary opinion - nonprecedential under IRC Section 7463(b); the court noted its holding resolves only the 2001 year.)
• Myers (T.C. Summ. Op. 2007-194): Owner-operator of a trucking business (25-35 hrs/week) who played $1 slots about 40 hrs/week; gambling since 1992, self-described professional since 2000; held in the trade or business of gambling for 2003. (Summary opinion - nonprecedential under IRC Section 7463(b).)

Loss-Deduction / Former-Law Cases (not professional-status holdings)

• Kochevar (T.C. Memo. 1995-607): Progressive-slot players with day jobs who reported on Schedule C; the court applied Section 165(d) to limit their wagering losses and related expenses to wagering gains (the pre-Mayo line of cases). It is a loss-limitation case, not a favorable status holding.

Losers (Taxpayers Who Failed)

• Boneparte (T.C. Memo. 2017-193): 8 of 9 factors against; 20% accuracy penalty imposed
• Merkin (T.C. Memo. 2008-146): Park Avenue psychiatrist; overstated hours (1,128 claimed vs. 319 actual)
• Mercier (Bench Opinion, Docket No. 7499-22S) (June 6, 2023): No separate bank account, no contemporaneous records; switched from Schedule A to Schedule C after receiving deficiency notice - red flag. (Bench opinion in a small tax case - nonprecedential under IRC Section 7463(b).)
• Zalesiak (T.C. Summ. Op. 2019-16): 98.1% of income from day job. (Summary opinion - nonprecedential under IRC Section 7463(b).)

Documentation Requirements

Documentation carries most of the weight in these cases (Merkin, Mercier). Records that courts have credited:

• Contemporaneous gambling log - Rev. Proc. 77-29 items (date and type of wager, name and location of the establishment or platform, other persons present, amounts won or lost), plus session start/end times and buy-in/cash-out amounts if you use the session method
• Separate bank account for all gambling activity
• Business plan documenting your approach, time commitment, and profit targets
• Receipts for all business expenses (travel, equipment, software subscriptions)
• Platform win/loss statements from every sportsbook and casino
• W-2G forms with reconciliation to session results
• Time log documenting hours spent - be honest (the Merkin court credited only 319 of the ~1,128 hours claimed)

NJ Treatment of Professional Gamblers

How NJ taxes a federally-qualifying professional gambler is not clearly settled. N.J.S.A. 54A:5-1(g) puts gambling winnings in NJ's net-gambling category (Category (g), Line 24, same-year netting). But N.J.A.C. 18:35-1.1 generally includes income from an activity that qualifies and reports as a federal trade or business in NJ's net-profits-from-business category (Category (b)) - reduced by allowed business expenses. Which category a professional's results belong in (and where the expenses go - NJ does not allow netting across categories) is a position decision on your specific facts; as of the Division pages current on the date shown at the end of this article (checked September 2026), NJ has published no guidance squarely on point. Do not assume revenue in one category and expenses in another, and do not assume the recreational and professional NJ answers are identical.

Worked Example: Professional vs. Recreational Gambler Comparison

Meet Anthony, a NJ resident who plays poker full-time. He has no W-2 employment. He plays 50+ hours per week at Borgata, online (WSOP.com/PokerStars NJ), and travels to tournaments.

Anthony's 2025 Gambling Activity

Scenario A: Professional Gambler (Schedule C) - TY2025

Note: the QBI line is shown only if Section 199A applies to this gambling trade or business - a conditional, item-by-item determination, not an automatic 20% - and it does not change this result. The standard deduction already reduces taxable income to about $0, so federal income tax is ~$0 with or without QBI.

Scenario B: Recreational Gambler (Schedule A) - TY2025

(this example assumes you itemize - if you take the standard deduction, losses provide no federal offset)

NJ Return (Both Scenarios)

In TY2025, professional status saves Anthony ~$2,492 ($4,922 - $2,430): Schedule C absorbs both the wagering losses and the business expenses, while the recreational filer must give up the standard deduction to itemize the losses (see the corrected Scenario B above). On the NJ side, the recreational scenario is straightforward Category (g) netting ($43,000 on Line 24); the professional scenario's NJ category is a position decision (see 'NJ Treatment' above) - the $828 figure assumes Category (g) treatment and could differ materially under a Category (b) business classification.

2026 Comparison: How the 90% Cap Changes the Math

Under the OBBBA's 90% cap (Section 70114), Anthony's total deductions of $167,800 are capped at $151,020 (90% x $167,800 in combined losses and expenses). His Schedule C taxable income becomes $185,000 - $151,020 = $33,980. SE tax: ~$4,800. Federal income tax after the standard deduction: ~$1,600. Total federal tax: ~$6,400 - on $17,200 of actual profit. As a recreational gambler under the 90% cap: losses are capped at $127,800 (90% x $142,000), and because those losses are an itemized deduction he must forgo the standard deduction - taxable income is $185,000 - $127,800 = $57,200, and the federal tax on it (2026 single brackets) is ~$7,296. No SE tax. Professional status still saves Anthony ~$900 in 2026 on these facts - the 90% cap narrows the gap but does not flip it. (Every line here assumes no other deductions; QBI is left out here because it is conditional on a valid Section 162 gambling trade or business and does not change this result; the NJ classification is a separate open question - see NJ Treatment above.) NJ still allows same-year in-category netting with a zero floor (no cross-category offset, no carryforward): $43,000 on Line 24 regardless (the Division's OBBBA page does not address the federal 90% rule; NJ's own net-category rule controls). (This example sits below the Section 68 threshold - the dollar amount at which the 37% bracket begins, $640,600 single / $768,700 MFJ for 2026, measured on taxable income before subtracting itemized deductions. Above it, an itemizer loses 2/37 of the lesser of total itemized deductions or the excess over the threshold, on top of the 90% cap - see the $700,000 recreational example above.)

Frequently Asked Questions

No. Professional status follows the continuity, regularity, livelihood, and profit-motive facts; it is not a taxpayer election. If the facts may support trade-or-business treatment, model the federal and state consequences using the actual winnings, losses, expenses, itemized deductions, self-employment tax, and any conditional QBI or retirement-plan effects. Use the contact form to request an intake review for a fact-specific analysis.

Gregory Monaco, CPA may address gambling-tax return treatment and record reconciliation within separately accepted written scopes; this describes offered client work, not formal specialist recognition. Legal classification and matters outside an accepted tax-return scope require the appropriate independent professional. Use the contact form to request an intake review.

Need Help Evaluating the Facts and Tax Consequences?

Professional-versus-recreational treatment can materially change a return, but classification begins with the governing facts rather than a preferred result. I can evaluate the activity and model the federal and New Jersey consequences using your actual records. I'm Greg Monaco, a NJ-licensed CPA. Greg is the sole practitioner and personally reviews, approves, and signs all client-facing work.

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Disclaimer: This content is for informational purposes only and does not constitute tax advice. Written tax advice from a Circular 230 practitioner is governed by 31 C.F.R. §10.37; Treasury’s 2014 final regulations eliminated the former “covered opinion” rules and their mandatory disclaimer legend, so no such legend appears here. Tax laws change frequently; consult a licensed CPA about your specific facts.