Section 475(f) lets certain traders in securities elect mark-to-market (MTM) accounting: year-end open positions are treated as sold at fair market value, gains and losses are generally ordinary, and the wash-sale rules that frustrate many active investors often do not apply the same way. This is not the statutory Section 1256 60/40 regime for futures and certain options (Section 1256 mark-to-market basics). Different statute, different forms, different eligibility. Account shell: Taxable brokerage account basics. Filing workflow: Filing taxes for beginners.
Most buy-and-hold or occasional investors are investors, not traders—and cannot simply “elect” into 475 because volume feels high one month.
Trader vs investor (plain map)
| Label | Typical pattern (IRS case law / Pub orientation) | Default tax character |
|---|---|---|
| Investor | Long-term holding, sporadic trades, investing own capital for appreciation/dividends | Capital gains/losses; wash sales apply (Wash-sale rule basics) |
| Trader in securities (no 475 election) | Substantial, continuous, frequent trading seeking short-term swings; trading is the business | Still usually capital gains/losses unless other rules apply |
| Trader with timely 475(f) election | Same trader facts plus a valid election | Ordinary gain/loss on securities in the election; year-end MTM |
Courts look at frequency, holding periods, time devoted, and whether trading is a livelihood—not at a single day-trade count from a Discord tip. Options overlays: Options trading tax basics.
What a valid 475(f) election usually changes
| Piece | Typical 475(f) effect (confirm current Form 3115 / Pub guidance) |
|---|---|
| Year-end open securities | Deemed sold at FMV; ordinary gain/loss recognized |
| Character | Generally ordinary, not long-term capital—so no preferential LTCG rate on those marked gains |
| Wash sales | Often avoided on securities covered by the election (a major reason active traders consider it) |
| Forms | Frequently reported on Form 4797 (and related statements), not as vanilla Schedule D stock sales alone |
| Timing | Election procedures and deadlines are technical; late or botched elections are a common CPA rescue story |
Brokers such as Interactive Brokers, tastytrade, Charles Schwab, Fidelity, and E*TRADE do not make you a trader by issuing a 1099. Software labels (“Pattern Day Trader” at a FINRA firm) are brokerage risk rules, not IRS trader status.
Worked example: election vs no election
Alex day-trades U.S. equities full-time in a taxable account at Interactive Brokers: hundreds of round trips, average hold under a week, no significant other employment. Without a 475 election, a $40,000 net trading loss is mostly capital—potentially capped by the $3,000 net capital-loss deduction against ordinary income, with the rest carried forward, and wash-sale adjustments cluttering Form 8949.
With a timely, valid 475(f) election (facts assumed to support trader status), that same $40,000 net MTM loss may be ordinary, usable against wages or other ordinary income in ways capital losses are not—and year-end open lots are marked. The tradeoff: a later $40,000 net MTM gain is also ordinary, not preferential long-term capital gain. Alex still needs a qualified tax professional; this paragraph is orientation, not election advice.
Who usually should not elect
- Occasional investors harvesting losses around wash-sale windows.
- People whose “trading” is mostly buy-and-hold index funds (Investing basics).
- Anyone chasing ordinary-loss treatment without documenting trader-level activity.
- Anyone conflating 1256 futures/index-option 60/40 marks with a 475 securities trader election.
Practical cues before you talk to a pro
- Log trade counts, hold times, and hours spent—courts care about facts.
- Separate Section 1256 products from equity/ETF securities in your books.
- Ask a CPA/EA about election statements, Form 3115 when required, and prior-year consistency.
- Budget cash for tax on unrealized year-end marks if you elect MTM.
- Do not rely on Reddit “I elected on my 1040” folklore for deadlines.
Checklist
- Confirm whether your activity is investor vs trader under IRS guidance—not under a broker’s PDT flag.
- Do not confuse Section 1256 60/40 with Section 475(f).
- Weigh ordinary-loss flexibility against ordinary-gain cost and compliance burden.
- If electing, follow current IRS election procedures with a qualified professional.
- Keep year-end MTM workpapers with the return.
- Reconcile broker 1099s to your MTM statements; they will not match investor-style Schedule D habits.
Educational only. Not tax, legal, or investment advice. Securities trading involves substantial risk of loss. Section 475, trader status, and election procedures are complex and change; confirm with current IRS materials and a qualified tax professional before any election.