IRC Section 1092 Straddle Rules: Loss Deferral and Form 6781

The straddle rules in IRC Section 1092 stop you from deducting a loss on one side of an offsetting position while you keep the winning side open. The loss is frozen to the extent of unrecognized gain on the other leg, your holding period on the positions is suspended so long-term gains can flip to short-term, and interest and carrying costs tied to the straddle property get added to basis instead of deducted. Everything gets reported on Form 6781.

When You Actually Have a Straddle

A straddle exists whenever you hold offsetting positions in personal property. Two positions are offsetting when holding one substantially reduces your risk of loss from holding the other. Owning stock and buying a put on the same stock is the textbook case, but the concept sweeps in any combination of longs, shorts, options, futures, or forwards where gains on one side buffer losses on the other.

The positions do not have to move in exact opposition. The test is whether price movements are inversely correlated enough that the combination dampens your downside. Positions in the same personal property are presumed offsetting, and regulators also look at integrated strategies across related assets, different delivery months of the same commodity, and various contract types on similar underlyings.

“Personal property” here means actively traded assets with an established financial market: exchange-listed stocks, options, and futures, instruments on designated boards of trade, interbank and interdealer instruments, and debt where broker or dealer quotes are readily available.¹ Notional principal contracts, foreign currencies, and commodities are in the same bucket. If you can get a real-time quote on it, it likely qualifies.

How Loss Deferral Works

The core rule is short. A loss on a straddle position is deductible only to the extent it exceeds unrecognized gain on your offsetting positions.² Close the losing leg while the winning leg stays open, and the deduction is capped. The blocked portion carries forward and is treated as a loss sustained in the following year, subject to the same test again.³

Unrecognized gain is measured as if you sold every open offsetting position at fair market value on the last business day of the tax year.² Say you close a losing position for a $15,000 loss but still hold an offsetting position sitting on $12,000 of unrealized gain at year-end. Only $3,000 of the loss is deductible this year. The other $12,000 waits until the offsetting gain is recognized or the straddle is unwound.

The mechanism kills the old year-end move of harvesting a loss against unrelated income while quietly keeping the profitable hedge alive. The code treats the straddle as one economic event.

One boundary worth flagging: if every position in the straddle is a Section 1256 contract (regulated futures, broad-based equity index options, and similar instruments), Section 1092’s loss deferral does not apply. Those all-1256 straddles run entirely on the mark-to-market and 60/40 rules of Section 1256.⁴

Your Holding Period Gets Suspended

Straddles can also convert what should have been long-term gains into short-term gains. While you hold offsetting positions, the holding period for any position in the straddle does not begin until you no longer hold an offsetting position.⁵ The clock does not pause; it resets. Bought stock three months ago and just added an offsetting put? Those three months disappear. The count starts fresh once the put is gone.

The tax cost is real. A gain that would have qualified for the 20 percent maximum long-term capital gains rate can end up taxed as ordinary income at rates up to 37 percent.⁶ Higher-income investors also owe the 3.8 percent net investment income tax, bringing the effective ceiling to 23.8 percent for long-term or 40.8 percent for short-term.⁷

There is one meaningful exception. If you already held a position for more than the long-term holding period (more than one year) before the straddle was established, the suspension rule does not touch it.⁵ Shares owned 14 months before you write a covered call keep their long-term status. Shares owned only six months lose those six months, and the clock restarts when the call closes.

Interest and Carrying Charges Get Capitalized

Section 263(g) adds cost on top of the timing hit. Interest on debt used to buy or carry property that is part of a straddle is not deductible in the year paid. It gets added to the cost basis of the straddle property.⁸ Insurance, storage, and transportation costs tied to the property get the same treatment.

The rule applies to the net carrying cost. Total the interest and other charges, subtract any income the property produced (dividends, interest, original issue discount), and capitalize the excess. For a margin account holding straddle positions, that means margin interest becomes basis rather than an investment expense deduction.

Hedging transactions defined under Section 1256(e), generally entered in the ordinary course of a trade or business to reduce risk on ordinary-income property, are exempt.⁸ Retail investors trading personal portfolios rarely qualify.

Elections That Change the Default

Identified Straddles

You can designate a group of positions as an “identified straddle” if you clearly mark them as such in your records before the close of the day you acquire them, and the straddle is not part of a larger straddle. The year-end loss deferral test does not apply to an identified straddle. Instead, any loss on a position within it is added to the basis of the remaining offsetting positions, allocated in proportion to each one’s unrecognized gain.⁹ You never deduct the loss directly; it lives inside basis and reduces gain (or increases loss) when the remaining positions close.

Reporting is also cleaner because you don’t have to disclose unrecognized gain on positions inside the identified straddle. The trade-off is that you can never take the loss currently, even when unrecognized gain on the other side is smaller than the loss itself. For investors who plan to hold the whole straddle to termination, the election often produces a better answer than the default.

Mixed Straddle Elections

A mixed straddle contains at least one Section 1256 contract and at least one non-1256 position. That combination is awkward because Section 1256 contracts are marked to market at year-end and taxed under a 60/40 split (60 percent long-term, 40 percent short-term) regardless of actual holding period, while the non-1256 leg is not.⁴

Two elections address the mismatch:

Straddle-by-straddle identification. You identify each mixed straddle individually. Gains and losses on the 1256 and non-1256 legs are offset against each other before the 60/40 split is applied to the net Section 1256 result.
Mixed straddle account. You group an entire class of trading activity into a single account. Gains and losses net daily, and the year’s net result is capped: no more than 50 percent of any net gain can be long-term, and no more than 40 percent of any net loss can be short-term.²

The mixed straddle account election goes on Form 6781 and must be filed by the due date of the prior year’s return (without extensions). For the 2026 tax year, it attaches to your 2025 return.¹⁰ If you start trading a new class of mixed straddle positions mid-year, you have 60 days from the first mixed straddle in that class to file. Miss those deadlines and you need to show reasonable cause.

Covered Calls That Escape the Rules

Writing covered calls is the most common option strategy retail investors run, and Section 1092 carves out qualifying covered calls from straddle treatment. The option must have more than 30 days to expiration when written, must trade on a national securities exchange registered with the SEC or another IRS-approved market, and must not be deep in the money.⁹

“Deep in the money” is defined by how far below the previous day’s closing stock price the strike sits. For options with 12 months or less to expiration, the strike generally cannot be more than one strike below the previous close. Longer-dated options use an adjustment factor that increases with the option’s term, and regardless of the calculation, the strike can never fall below 85 percent of the applicable stock price. If the benchmark calculation lands below that floor, the lowest permissible qualified strike is the next available strike above the 85 percent threshold.¹¹

There is a straddling-year trap. Even a qualifying covered call loses the exception if one leg is closed at a loss and the gain on the other leg is recognized in a later tax year with fewer than 30 days between the two transactions.¹² Closing the call at a loss in December and selling the appreciated stock in January inside that 30-day window turns the position retroactively into a straddle, dragging the loss deferral and holding period rules back in.

Stay within the qualified covered call lines and the stock’s holding period is not suspended, the 20 percent maximum long-term rate remains available, losses on unrelated trades are not blocked by the call position, and Section 263(g) does not capitalize your carrying charges.⁶

How Wash Sale Rules Fit In

Section 1092 displaces the standard Section 1091 wash sale rules for straddle positions but does not remove wash-sale-style restrictions. Regulations set a two-step sequence whenever you close a straddle position at a loss.¹³

Step one is the wash sale test. Acquire substantially identical stock or securities within 30 days before or after disposing of the loss position and that portion of the loss is disallowed. Step two takes the remaining loss and applies Section 1092 deferral against unrecognized gain on offsetting positions and successor positions at year-end. Wash sale first, deferral second.

The “successor position” concept is where investors get caught. A successor position is any new position offsetting to a position that was itself offsetting to the one you sold at a loss, entered within 30 days before or after the loss sale.¹⁴ Rolling a losing position into a similar new contract does not free up the loss; the unrecognized gain on the replacement can keep the deferral running.

These coordination rules do not apply to hedging transactions, positions in mixed straddle accounts, all-1256 straddles, or losses sustained by securities dealers in the ordinary course.¹³

Reporting on Form 6781 and What Errors Cost

All straddle gains and losses under Section 1092 get reported on Form 6781, Gains and Losses From Section 1256 Contracts and Straddles.¹⁵ Part II handles straddles; Part I covers Section 1256 contracts. Mixed straddles or a mixed straddle account election put both parts in play.

For each position you need the acquisition date, description, closing date if applicable, and the fair market value of every open offsetting position on the last business day of the tax year. That year-end value is the number that decides how much of your loss is deferred. Year-end brokerage statements usually supply it; less liquid instruments may require a dealer or quotation service. The Form 6781 numbers flow onto Schedule D, and deferred losses reappear on the following year’s Form 6781 for another pass at the same test.

Deducting a loss that should have been deferred is treated as a substantial understatement. The resulting tax shortfall triggers a 20 percent accuracy-related penalty on the underpayment, and interest runs from the original due date of the return.¹⁶ For active straddle programs, even a one-year timing error can produce a meaningful bill. Keep brokerage confirmations for every open and close, year-end valuations for open positions, and the Form 6781 worksheets tying them together.

1
eCFR. 26 CFR 1.1092(d)-1 – Definitions and Special Rules
2
Office of the Law Revision Counsel. 26 USC 1092 – Straddles
3
Internal Revenue Service. Form 6781 – Gains and Losses From Section 1256 Contracts and Straddles
4
Office of the Law Revision Counsel. 26 USC 1256 – Section 1256 Contracts Marked to Market
5
eCFR. 26 CFR 1.1092(b)-2T – Treatment of Holding Periods and Losses With Respect to Straddle Positions
6
Internal Revenue Service. Topic No. 409, Capital Gains and Losses
7
Internal Revenue Service. Topic No. 559, Net Investment Income Tax
8
Office of the Law Revision Counsel. 26 USC 263 – Capital Expenditures
9
Office of the Law Revision Counsel. 26 USC 1092 – Straddles
10
eCFR. 26 CFR 1.1092(b)-4T – Mixed Straddles; Mixed Straddle Account
11
GovInfo. 26 CFR 1.1092(c)-4 – Adjusted Applicable Stock Price and Applicable Stock Price
12
Internal Revenue Service. TD 8990 – Qualified Covered Call Exceptions
13
eCFR. 26 CFR 1.1092(b)-1T – Coordination of Loss Deferral Rules and Wash Sale Rules
14
eCFR. 26 CFR 1.1092(b)-5T – Definitions
15
Internal Revenue Service. About Form 6781, Gains and Losses From Section 1256 Contracts and Straddles
16
Office of the Law Revision Counsel. 26 USC 6662 – Imposition of Accuracy-Related Penalty on Underpayments