Capital Management

Difference Between NAV and Market Price in an ETF

By Walid Mograbi · 2026-05-25 · 2 min read

ETF prices move during the trading session, while NAV is a value-based measure of the fund’s underlying assets. This lesson shows how to distinguish a temporary market swing from a real change in value and makes trade decisions more disciplined.

Core idea

In an ETF, the visible trading quote is a **market price**, not always the same as the fund’s **NAV** at that exact moment.

What NAV means

**NAV (Net Asset Value)** is the fund’s per-unit intrinsic value: \(\text{NAV} = \frac{\text{Total assets} - \text{Liabilities}}{\text{Number of units}}\).

Why ETFs and mutual funds are priced differently

Open-end mutual funds are commonly priced at the end of the trading day. ETFs trade like stocks throughout the day, so their price changes in real time as buyers and sellers send orders.

Why market price can differ from NAV

During trading, market price can be a **premium** (above NAV) or a **discount** (below NAV). This gap is often technical and temporary, not always a direct sign that intrinsic value has changed.

Where the gap comes from

The gap is usually the result of short-term market mechanics: 1. NAV is calculated from underlying holdings at valuation points. 2. Market price reacts instantly to intraday demand and supply. 3. A temporary spread can appear, then narrow as the market rebalances.

How this helps your decision making

You should avoid confusing the on-screen quotation with NAV and reading the chart through that lens. The skill is to treat price as a market signal, not as the full fund value story.

Practical checklist before acting

• [ ] Confirm whether the vehicle is an ETF with intraday trading.
• [ ] Compare current price movement to the latest available NAV context.
• [ ] Decide if the gap is small and likely temporary.
• [ ] Check liquidity and spread conditions in the session.
• [ ] Include trading fees and commission impact before any order.

Warning

A wider gap is not a guarantee of opportunity or safety. ETFs can lose value, so every buy or sell decision still needs risk analysis plus costs (fees and commissions).