Low-Basis Stock You’ve Held for Decades: Your Options
Key takeaways
- A near-zero basis means almost the entire value is taxable gain when you sell — but holding leaves you fully exposed to one stock.
- You do not have to choose all-or-nothing: a paced sell-down spreads the tax across years.
- A collar or covered-call overlay can protect value and generate income while you unwind gradually.
- Exchange funds and charitable strategies can defer or reduce tax for those who qualify, with real trade-offs.
- If you hold to death, heirs generally receive a step-up in basis — which is why some long-term holders never sell.
Some of the hardest positions to manage are the ones that worked too well. A stock bought decades ago, never sold, now sits at a near-zero cost basis and represents an outsized share of net worth. Selling triggers tax on almost the entire value. Holding leaves a retirement riding on a single company. Both feel wrong, which is why so many holders default to inaction — itself the riskiest path.
Why is low-basis stock so hard to sell?
When your basis is close to zero, nearly the full market value becomes a capital gain on sale. At combined federal and state rates, a high-tax-state resident can owe well over a third of the position in tax if they sell everything in one year. That bill is concrete and immediate, while the risk of holding is abstract until the day the stock drops. The result is paralysis: the tax feels more certain than the risk, even though the risk can be far larger.
Do I really have to choose between selling and holding?
No. The all-or-nothing framing is the trap. A paced sell-down realizes gains across several tax years instead of one, keeping you in lower brackets where possible and softening the annual hit. Pairing that schedule with downside protection means you are not forced to sell into a decline. The goal is to reduce concentration on your own terms rather than have the market or a single tax year decide for you.
- Sell in tranches across tax years to manage the rate and avoid bunching gains into one year.
- Use harvested losses elsewhere in the portfolio to offset some of the realized gain.
- Protect the unsold shares so a drawdown during the wind-down does not undo the plan.
How can an option overlay help me unwind gradually?
An option overlay is built for exactly this situation. Covered calls collect premium against the position, which can help offset the eventual tax. A protective put or a collar sets a floor under the value so you can hold through volatility while selling on a schedule. The structure makes the timeline more predictable: shares can be called away at a known ceiling as the position winds down, and the floor means you are never forced to sell at the bottom. Options involve risk and do not guarantee any outcome.
Example: illustrative
Consider an investor holding $10M of a single stock with a basis near zero. Selling all at once in a high-tax state could realize roughly $3.7M of tax in one year. Selling roughly a fifth per year over five years, while collaring the remaining shares, spreads that tax across multiple years and protects value during the wind-down. These are hypothetical, illustrative figures, not Yayati results or projections.
What about exchange funds, charitable gifts, or holding to death?
Other paths exist, each with trade-offs. An exchange fund lets qualifying investors swap a concentrated position for a diversified pool without an immediate taxable sale, in return for a multi-year lockup and fund-level terms. Gifting appreciated shares to a donor-advised fund or charitable trust can avoid the gain on the gifted shares and provide a deduction. And some long-term holders simply hold to death, because heirs generally receive a step-up in basis that resets the gain — though that means living with the concentration risk for the rest of your life.
Keep reading
This article is for educational and informational purposes only and is not investment, tax, or legal advice. Option strategies involve risk and are not suitable for all investors. Tax treatment of options is complex and depends on individual circumstances, holding periods, and applicable law; tax rates referenced reflect 2024–2025 federal and state estimates and are subject to change. Consult a qualified tax professional and investment advisor before acting. Yayati Asset Management is a Registered Investment Adviser. © Yayati Asset Management. VOLT™ is a trademark of Yayati.
See VOLT™ on a real position.
The tax-smart option overlay behind this paper, for concentrated stock.