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Wash Sale Rule

What Is the Wash Sale Rule?

The wash sale rule is a tax regulation that prevents investors from claiming a tax deduction for a loss on a security if they purchase the same or a substantially identical security within 30 days before or after the sale.

The rule was designed to prevent investors from generating artificial tax losses while maintaining the same investment position.

Why It Matters

Investors who sell investments at a loss often want to claim that loss to reduce taxable capital gains. The wash sale rule limits this strategy by disallowing losses if the investor repurchases the same investment within the restricted period.

Understanding the rule helps investors avoid unexpected tax complications.

How the Wash Sale Rule Works

The wash sale rule applies when an investor:

  • sells a security at a loss
  • buys the same or substantially identical security
  • completes the purchase within 30 days before or after the sale

If the rule applies, the loss cannot be deducted immediately. Instead, the loss is added to the cost basis of the new investment.

Example

An investor sells shares of a stock at a $1,000 loss and buys the same stock again two weeks later. The loss may be disallowed under the wash sale rule.

Wash Sale Rule vs Tax-Loss Harvesting

  • The wash sale rule restricts certain loss deductions.
  • Tax-loss harvesting involves strategically selling investments to realize losses while following tax rules.

FAQs About the Wash Sale Rule

How long is the wash sale window?
The rule applies within 30 days before or after the sale.

Does the rule apply only to stocks?
It can apply to various securities including stocks and funds.

What happens to a disallowed loss?
The loss is added to the cost basis of the replacement investment.

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