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The Daily Insight

Can your stock basis be negative?

Author

Mia Ramsey

Published Feb 26, 2026

A good way to explain stock basis to clients is to compare it to a checking account. Basis is deposits and earnings less withdrawals. Like a bank account, more cannot come out than goes in—basis can never go negative. Since basis begins when the company stock is acquired, basis should be tracked from day one.

Can an S Corp have negative equity?

Negative retained earnings in an S Corp, usually (but not always) indicates that the shareholder(s) have negative stock basis in the corporation. If the shareholder has negative stock basis in an S Corp then what are normally non-taxable distributions from the S Corp become taxable.

Can stock basis go below zero?

Basis cannot be reduced below zero; to the extent losses exceed the remaining stock basis after reductions for distributions and nondeductible expenses, the excess losses can be applied to reduce any basis the shareholder has in indebtedness of the S corporation to the shareholder.

What happens when you sell your s Corp stock?

Sell your S Corp stock. Sell your corporate assets while retaining the corporate structure. Selling stock is the easiest method of structuring an S Corp sale. If you choose this solution, you will deduct the money received by the owner of the business from selling the stock from the S corporation share tax basis.

How does income affect S corporation stock basis?

Unlike with C corporation stock basis, which stays the same each year, annual income, distributions and loans can all affect an S corporation shareholder’s basis, in sometimes surprising ways.

What happens when a s Corp distribution exceeds the basis?

Secondly, a distribution that exceeds the stock basis of the shareholder will be regarded as gain from selling or exchanging the underlying stock. In an S corporation without accumulated earnings and profits, the accumulated adjustments account is totally irrelevant in the determination of the taxability of distributions.

When to enter a negative cost basis for stock?

Generally speaking, your basis cannot drop below zero. If you have received payments in excess of the amount paid for the stock, that’s a disposition of the stock subject to taxation. Please explain your situation in more detail. June 5, 2019 11:50 AM I need to enter a negative cost basis for some stock due to “return of capital”.