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Direct indexing

Direct indexing means holding an index’s underlying securities in an account you own, rather than holding a single fund share that tracks the index. Because the individual positions are yours, they can be customised, and individual lots can be sold at a loss while the overall exposure is maintained.

Sources last reviewed

The moving parts

What has to be in view first.

Own the constituents instead of the fund share. The point is control at the lot level — and the constraint is the wash-sale rule.

Reference index
The benchmark the account is built to resemble. The account often holds a sampled subset of constituents rather than every name.
Separate account
The securities sit in the investor’s own account, so each purchase lot has its own cost basis and holding period.
Customisation
Individual names or sectors can be excluded or weighted differently. Every deviation moves the account away from the index it references.
Loss harvesting
Individual lots trading below cost can be sold to realise a loss while the account keeps broadly similar exposure. What may replace them is governed by the wash-sale rule.

The shape of it

One cost basis, or many.

A single fund share with one cost basis compared with an account of twenty-four individual holdings, four of which are below cost.On the left, one large square represents a fund share with a single cost basis. On the right, a grid of twenty-four small squares represents individually held positions; four are outlined in gold to show holdings below cost that a loss harvest could reach.ONE FUND SHAREone cost basisnothing to harvestvs24 positions, 24 cost bases — 4 currently below cost
An index can finish a year higher while individual constituents inside it are down. Only the direct holder can act on those positions — and the wash-sale rule governs what may replace them.

What changes when you own the pieces

A fund share has one cost basis. A hundred underlying positions have a hundred. In a year when an index finishes higher, individual constituents within it can still be down — and only the direct holder can act on those individual positions.

The same ownership enables customisation: excluding a holding that duplicates concentrated exposure elsewhere, or that an investor does not want to own. Each exclusion is a deliberate step away from the index, and the account will track it less closely as a result.

The wash-sale rule is the binding constraint

The IRS defines a wash sale as selling stock or securities at a loss and, within 30 days before or after the sale, directly or indirectly buying substantially identical stock or securities, acquiring them in a fully taxable trade, or entering into a contract or option to acquire them. Losses from wash sales are not deductible.

The window is 61 days wide, and it reaches beyond the account. IRS Publication 550 states that a wash sale also occurs if a spouse or a corporation you control buys substantially identical stock, or if you acquire substantially identical stock for your IRA or Roth IRA within the period.

This is why "substantially identical" is the operative phrase in any loss-harvesting discussion, and why harvesting is a rules question before it is a strategy question.

What a harvested loss is worth

A realised loss offsets gains. Its value therefore depends on having gains to offset, on the rate that would otherwise apply, and on when that offset happens. Selling a lot at a loss also lowers the basis of what replaces it, which generally moves a gain to a later date rather than removing it.

The benefit also tends to decline over time in a rising market: as unrealised gains build across the account, fewer lots remain below cost to harvest.

Trade-offs

What is given up, and to whom.

  • The account will not track the index exactly, and every customisation increases that difference.
  • The wash-sale rule constrains what may be bought back, and applies across a spouse’s purchases and IRA purchases.
  • A harvested loss generally defers tax rather than eliminating it, by lowering the basis of the replacement.
  • The value of a loss depends on having gains to offset and on future tax rates, neither of which is knowable in advance.
  • Many positions mean more administration, more transactions, and generally higher minimums and fees than a single index fund.
  • Harvesting opportunities diminish as the account accumulates unrealised gains.

Questions before conclusions

What to ask before anything else.

  1. What index is this account referencing, and how closely is it expected to track it?

  2. What counts as substantially identical here, and who is checking across all of my accounts?

  3. What gains would a harvested loss actually offset this year?

  4. What does this cost compared with holding the equivalent index fund?

  5. What happens to the account, and to the embedded gains, if I want to leave?

Direct answers

Common questions about direct indexing.

What is direct indexing?

Direct indexing is holding the individual securities that make up an index in a separately owned account, rather than holding a single pooled fund share that tracks the index. Because the individual positions and their cost bases belong to the investor, the holdings can be customised and individual lots can be harvested for tax losses.

What is the wash-sale rule?

The IRS defines a wash sale as selling or otherwise disposing of stock or securities at a loss and, within 30 days before or after the sale, directly or indirectly buying substantially identical stock or securities, acquiring substantially identical stock or securities in a fully taxable trade, or entering into a contract or option to acquire them. Losses from wash sales are not deductible except in the ordinary course of business as a dealer.

Does the wash-sale rule apply across different accounts?

Yes. IRS Publication 550 states that a wash sale occurs if you sell stock and your spouse or a corporation you control buys substantially identical stock, and that it also occurs if you acquire substantially identical stock for your individual retirement account or Roth IRA within the 30-day window.

Does tax-loss harvesting eliminate tax?

Generally it changes the timing rather than removing the liability. Realising a loss offsets gains in the year it is taken, but the replacement position typically carries a lower basis, which increases the gain recognised when it is eventually sold.

Sources

Where every statement here comes from.

Each source below was read in full on the date shown. Where a publisher stamps its own revision date, that is shown too — a page can be reviewed recently and still be based on something the publisher changed long ago.

Think something here is wrong or out of date? Send a correction

Important context

This is an explanation, not advice.

This page explains how a category works. It is not a recommendation, an offer, a statement that Hunter Shields provides or advises on it, or a claim about availability, eligibility, tax treatment, or outcome for any particular person. Direct indexing is included because it was named as a topic of interest for this site. Unlike the other topics here, it does not appear in the current Wealth Watch Advisors brochure.

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