Quick Answer
Yes, worthless securities qualify as capital losses deductible up to $3,000 per year against ordinary income, with unlimited carryforward. The loss is treated as occurring on December 31st of the year the security became worthless, potentially saving investors $1,110 annually in the 37% tax bracket.
Best Answer
Michelle Woodard, Tax Policy Analyst
Best for investors who hold stocks, bonds, or other securities that have become completely worthless
What qualifies as a worthless security
A worthless security is a stock, bond, or other security that has lost all value and has no reasonable prospect of recovery. According to IRC Section 165(g), the security must be completely worthless—not just declining in value. Common examples include:
How the worthless securities deduction works
Under IRS rules, worthless securities are treated as capital losses occurring on December 31st of the tax year the security became worthless. This "deemed sale" at $0 creates a capital loss equal to your original investment (your "basis" in the security).
Key tax treatment rules:
Example: Calculating worthless securities losses
Scenario: You bought 1,000 shares of XYZ Corp for $15,000 in 2023. The company filed bankruptcy in 2026 and shareholders received nothing.
Tax treatment:
Tax savings calculation (37% bracket):
Documentation requirements for worthless securities
The IRS requires substantial documentation to prove worthlessness. You must demonstrate:
1. Complete worthlessness: Security has no value and no reasonable recovery prospect
2. Timing: When during the tax year the security became worthless
3. Original ownership: Proof you owned the security and your cost basis
Essential documentation:
Timing considerations and statute of limitations
Worthless securities have special statute of limitations rules under IRC Section 6511(d)(1). You have seven years (not the usual three) to file an amended return claiming worthless securities losses. This extended period exists because determining exact worthlessness timing can be complex.
Strategic timing considerations:
Common mistakes to avoid
Mistake 1: Claiming losses for securities that still have minimal value
Correction: Wait until complete worthlessness is established
Mistake 2: Treating as ordinary business loss instead of capital loss
Correction: Always treat as capital loss unless specific exceptions apply
Mistake 3: Poor documentation of worthlessness timing and amount
Correction: Maintain comprehensive records and professional valuations
What you should do
If you suspect you have worthless securities, gather all documentation immediately. The seven-year statute of limitations means you can still claim losses from recent years. Consider working with a tax professional for significant losses, as the documentation requirements are substantial.
Use our return scanner to check if you've missed claiming worthless securities losses from previous years.
Key takeaway: Worthless securities provide $3,000 annual ordinary income deductions with unlimited carryforward, potentially saving high earners $1,110+ per year until the full loss is utilized.
Key Takeaway: Worthless securities provide $3,000 annual ordinary income deductions with unlimited carryforward, potentially saving high earners $1,110+ per year until the full loss is utilized.
Annual tax savings from $3,000 worthless securities deduction by income level
| Tax Bracket | Federal Tax Savings | State Tax Savings (CA) | Total Annual Savings |
|---|---|---|---|
| 12% | $360 | $90 | $450 |
| 22% | $660 | $267 | $927 |
| 24% | $720 | $293 | $1,013 |
| 32% | $960 | $390 | $1,350 |
| 37% | $1,110 | $445 | $1,555 |
More Perspectives
Michelle Woodard, Tax Policy Analyst
Best for high-income investors with substantial portfolios who have experienced significant security losses
Advanced strategies for high earners
High-income investors with substantial worthless securities losses should implement sophisticated tax planning strategies to maximize the benefit of these deductions.
Capital gains harvesting coordination
Before taking the $3,000 ordinary income deduction, use worthless securities losses to offset capital gains without limitation. This strategy is particularly powerful for high earners who regularly realize capital gains.
Example strategy:
Tax savings for 37% bracket investor:
Multi-year tax planning
With unlimited carryforward, high earners can strategically time when to utilize worthless securities losses:
High-income years: Maximize $3,000 ordinary income deductions
Retirement years: May have lower brackets, reducing per-dollar value
Capital gains years: Prioritize offsetting gains at favorable rates
Estate planning considerations
Unused capital loss carryforwards do NOT transfer to beneficiaries at death. High earners approaching retirement should accelerate usage through:
Key takeaway: High earners should coordinate worthless securities losses with capital gains harvesting and multi-year tax planning to maximize the value of these deductions across their highest-bracket years.
Key Takeaway: High earners should coordinate worthless securities losses with capital gains harvesting and multi-year tax planning to maximize the value of these deductions across their highest-bracket years.
Robert Kim, Tax Return Analyst
Best for business owners who made equity investments in other businesses or startups that became worthless
Business vs. investment treatment of worthless securities
Small business owners who invest in other companies must carefully distinguish between business investments and personal investments, as this affects the tax treatment of losses.
Section 1244 small business stock exception
Investments in qualifying "Section 1244 stock" receive special treatment that converts up to $50,000 ($100,000 if married filing jointly) of capital losses into ordinary business losses.
Requirements for Section 1244 treatment:
Tax advantage:
Business purpose investment documentation
For investments made for business purposes (not Section 1244), losses may still qualify as business bad debt deductions if:
Example: Restaurant owner invests $25,000 in supplier company to ensure continued service. If supplier fails, the loss may qualify as business bad debt (ordinary loss) rather than capital loss.
Documentation for business owners
Business owners need enhanced documentation showing:
Key takeaway: Business owners may qualify for ordinary loss treatment on worthless securities through Section 1244 stock rules or business bad debt provisions, providing immediate full deductibility instead of the $3,000 annual capital loss limitation.
Key Takeaway: Business owners may qualify for ordinary loss treatment on worthless securities through Section 1244 stock rules or business bad debt provisions, providing immediate full deductibility instead of the $3,000 annual capital loss limitation.
Sources
- IRC Section 165(g) — Losses - Worthless Securities
- IRS Publication 550 — Investment Income and Expenses
- IRC Section 1244 — Losses on Small Business Stock
Reviewed by Michelle Woodard, Tax Policy Analyst on February 28, 2026
This content is for educational purposes only and is not a substitute for professional tax advice. Consult a qualified tax professional for advice specific to your situation.