An ETF trades at a market price that may differ from net asset value. The valuation time and the executable side of the market matter to that comparison.

What the primary record establishes

The SEC’s 23 February 2023 investor bulletin explains that ETF shares trade during the day on exchanges and can trade above or below their per-share net asset value. A price above NAV is a premium; a price below NAV is a discount. SEC Investor.gov — Updated Investor Bulletin: ETFs, 23 February 2023 ↗

The bulletin also identifies bid–ask spreads and trading costs as considerations. Creation and redemption by authorised participants form part of the structure, but a retail investor’s exchange transaction remains subject to the available market price. SEC Investor.gov — Updated Investor Bulletin: ETFs, 23 February 2023 ↗

What the distinction changes

If an ETF’s comparable NAV is an illustrative $100 and its market price is $101, the premium is 1%. A buyer crossing an ask of $101.20 would face a different entry comparison. Neither number is an automatic estimate of the return on buying or selling the fund.

Before describing an apparent discrepancy, align valuation time, currency and the price side used. A closing NAV and a later live quote need not represent simultaneous underlying asset values. An indicative value is also not the same thing as a guaranteed redemption quote.

What to check before drawing a conclusion

Review the fund’s published premium-discount history, underlying market hours, spread and order conditions. A visibly large discount may deserve investigation, but its size alone does not prove a risk-free opportunity available to an individual account.

Keep market-price return and NAV return separate when evaluating performance. Include transaction costs and the actual holding period. WFN’s calculation explains a label; it does not predict when a premium will narrow or recommend trading it.