If a stock goes to zero, you lose 100% of your investment — but not more. The silver lining: you can claim a capital loss on your taxes, deducting up to $3,000 per year against ordinary income.

What Happens to Your Investment

Stage What Happens
Stock drops significantly Trading may be halted; margin calls triggered
Company files for bankruptcy Chapter 7 (liquidation) or Chapter 11 (reorganization)
Stock delisted from exchange Moves to OTC (over-the-counter) or pink sheets
Chapter 7 liquidation Assets sold; common shareholders paid last (usually nothing)
Chapter 11 reorganization Existing shares often cancelled; new shares issued to creditors
Stock reaches $0 Shares are worthless; your investment is gone

Who Gets Paid in Bankruptcy

Priority Who Gets Paid Recovery Rate
1 Secured creditors (bondholders with collateral) 60-80%
2 Unsecured creditors (suppliers, unsecured bonds) 20-50%
3 Preferred shareholders 5-20%
4 Common shareholders Usually 0%

Common stockholders are last in line. In most bankruptcies, nothing is left for them.

Tax Benefits of a Worthless Stock

Tax Rule Details
Capital loss Claim the full amount invested as a capital loss
Offset capital gains Use the loss to offset any capital gains dollar-for-dollar
Offset ordinary income Deduct up to $3,000/year against regular income
Carry forward Unused losses carry forward indefinitely to future years
When to claim The year the stock becomes worthless (or the year you sell for $0)
Deadline 7 years from the year the stock became worthless

Example: $10,000 invested in a stock that goes to zero, 24% tax bracket:

Tax Benefit Amount
Year 1: Offset $5,000 in capital gains $1,200 tax savings
Year 1: Offset $3,000 in ordinary income $720 tax savings
Year 2: Carry forward $2,000 vs. ordinary income $480 tax savings
Total tax savings $2,400

You recover about 24% of a worthless stock investment through tax benefits.

How to Claim a Worthless Stock on Taxes

Method How It Works
Sell for $0.01 Sell the shares on the market (if still trading) to establish the loss clearly
Claim as worthless If the stock can’t be sold, claim the loss on Form 8949 using $0 sale price
Date of loss December 31 of the year the stock became worthless
Report on Schedule D (Capital Gains and Losses)
IRS deadline Must claim within 7 years

Notable Companies That Went to Zero

Company Year Peak Market Cap Shareholders Got
Enron 2001 $63 billion $0
Lehman Brothers 2008 $60 billion $0
Washington Mutual 2008 $43 billion $0
WorldCom 2002 $175 billion $0
Bed Bath & Beyond 2023 $17 billion (peak) $0
Silicon Valley Bank 2023 $44 billion (peak) $0 (common stock)

How to Protect Against It

Strategy How It Helps
Diversification Spread across many stocks; one going to zero has small impact
Index funds Hold hundreds of stocks; individual failures are absorbed
Position sizing Never put more than 5-10% of portfolio in a single stock
Stop-loss orders Automatically sell if stock drops below a set price
Avoid penny stocks Higher rate of going to zero
Monitor financials Watch for warning signs (declining revenue, high debt, fraud allegations)

The Bottom Line

A stock going to zero means you lose your entire investment in that company — but with standard stock purchases, you can’t lose more than what you invested. Claim the tax loss to recover some value, and use this as a reminder of why diversification matters. A well-diversified portfolio can absorb any single stock going to zero without significant damage to your overall wealth.

Related: What Happens If You Sell a Stock at a Loss? | What Happens If Your Brokerage Goes Bankrupt?