Portfolio Turnover
Portfolio Turnover
The annual rate at which a fund or portfolio buys and sells holdings, expressed as a percentage. Calculated as total purchases divided by average portfolio value. High turnover (over 100%) indicates active trading with higher costs and tax consequences, while low turnover (under 25%) indicates a buy-and-hold strategy with lower expenses.
An actively managed growth fund with $100 million in assets purchases $120 million in new securities and sells $150 million during the year. Portfolio turnover = $120M (lesser of buys/sells) ÷ $100M average assets = 120% turnover. This means the fund replaced its entire portfolio 1.2 times in one year. An S&P 500 index fund might have only 5% turnover, replacing just 5% of holdings annually.
Students often confuse portfolio turnover (a fund's normal trading activity measured annually) with churning (excessive trading by advisers to generate commissions, which is prohibited). Also, many misunderstand that 100% turnover means the ENTIRE portfolio was replaced once during the year, not "100 trades." Portfolio turnover is different from expense ratio: turnover measures trading frequency, while expense ratio measures annual fees.
How This Is Tested
- Calculating portfolio turnover rate given purchase/sale volumes and average portfolio value
- Comparing cost implications between high-turnover active funds and low-turnover index funds
- Understanding tax efficiency: high turnover generates more short-term capital gains taxed at ordinary rates
- Identifying excessive turnover that may indicate churning or unsuitable investment strategy
- Evaluating whether high turnover is justified by fund performance after costs
Regulatory Limits
| Description | Limit | Notes |
|---|---|---|
| Typical index fund turnover rate | 5% - 25% annually | Passive management, low trading activity |
| Typical actively managed fund turnover rate | 50% - 200% annually | Active stock selection, frequent rebalancing |
| 100% turnover interpretation | Entire portfolio replaced once per year | Not a regulatory limit, but a key benchmark for understanding turnover levels |
Example Exam Questions
Test your understanding with these practice questions. Select an answer to see the explanation.
Sarah, a tax-conscious investor in the 35% federal tax bracket, is comparing two large-cap equity funds with similar 5-year pre-tax returns of 12% annually. Fund A has a 150% portfolio turnover rate and a 0.90% expense ratio. Fund B has a 15% turnover rate and a 0.50% expense ratio. Which statement best describes the implications for Sarah?
B is correct. Fund B's 15% turnover rate means it holds positions much longer, generating primarily long-term capital gains taxed at preferential rates (0%-20% depending on income). Fund A's 150% turnover generates substantial short-term capital gains taxed as ordinary income at Sarah's 35% rate. Combined with Fund B's lower expense ratio (0.50% vs 0.90%), Fund B will likely deliver significantly better after-tax returns despite identical pre-tax performance.
A is incorrect because higher turnover doesn't indicate management quality and creates tax inefficiency for taxable accounts. High turnover generates more short-term gains taxed at ordinary rates, reducing after-tax returns. C is incorrect because turnover directly impacts after-tax returns through the timing and character of capital gains distributions (short-term vs long-term). D is incorrect because mutual funds absolutely generate capital gains distributions when they sell securities at a profit, and shareholders must pay taxes on these distributions even if reinvested.
The Series 65 exam tests your ability to evaluate portfolio turnover in the context of tax efficiency and suitability. Understanding that high turnover creates tax drag through short-term capital gains is critical for making appropriate recommendations to clients in taxable accounts. This concept frequently appears in suitability questions involving tax-sensitive investors.
What does a mutual fund portfolio turnover rate of 100% indicate?
C is correct. A 100% portfolio turnover rate means the fund bought and sold securities equal to 100% of its average portfolio value during the year, effectively replacing the entire portfolio once. This is calculated as the lesser of total purchases or total sales divided by average net assets.
A is incorrect because turnover measures the dollar value of trading activity relative to portfolio size, not the number of individual trades. A fund could make 10 large trades or 1,000 small trades and have the same turnover rate. B is incorrect because turnover is about trading activity, not fees. Fees are measured by expense ratio, which is typically 0.50%-1.50% for most mutual funds. D is incorrect because turnover measures trading frequency, not investment returns or portfolio value changes.
The Series 65 exam frequently tests your understanding of what portfolio turnover actually measures. Many candidates mistakenly think it refers to the number of trades or portfolio performance. Understanding that 100% turnover means the entire portfolio was replaced once is fundamental to evaluating fund trading strategies and their cost implications.
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Access Free BetaA mutual fund with an average portfolio value of $500 million during the year purchases $300 million in new securities and sells $400 million in existing securities. What is the fund's portfolio turnover rate?
A is correct. Portfolio turnover is calculated as the LESSER of total purchases or total sales divided by average net assets. In this case: Lesser of $300M (purchases) or $400M (sales) = $300M. Then: $300M ÷ $500M = 0.60 = 60% turnover.
B (70%) makes a calculation error, possibly averaging the purchases and sales: ($300M + $400M) ÷ 2 = $350M, then $350M ÷ $500M = 70%. This is incorrect; you must use the LESSER value, not the average. C (80%) incorrectly uses only the sales figure: $400M ÷ $500M = 80%. The formula requires the lesser of purchases or sales, not just sales. D (140%) incorrectly adds purchases and sales: ($300M + $400M) ÷ $500M = $700M ÷ $500M = 140%. This would be double-counting; turnover uses the lesser of the two figures.
Portfolio turnover calculation questions are common on the Series 65 exam. The key detail tested is understanding that you must use the LESSER of total purchases or total sales (not both, not the average, not just sales). This calculation skill is essential for evaluating fund trading activity and associated costs.
All of the following are potential consequences of high portfolio turnover EXCEPT
C is correct (the EXCEPT answer). High portfolio turnover does NOT lead to lower expense ratios. In fact, frequent trading increases transaction costs (commissions, bid-ask spreads, market impact costs) which reduce fund returns. While these trading costs are not included in the expense ratio itself, they still reduce net performance. High turnover does not create economies of scale that would lower expenses.
A is accurate: high turnover generates substantial transaction costs from brokerage commissions and the bid-ask spread on each trade. These costs reduce net returns even though they're not included in the expense ratio. B is accurate: frequent trading means securities are held for less than one year, generating short-term capital gains taxed at ordinary income rates (up to 37%) rather than preferential long-term rates (0%-20%). D is accurate: high turnover reduces tax efficiency by generating more frequent taxable distributions and a higher proportion of short-term (vs long-term) capital gains, increasing the investor's tax burden.
The Series 65 exam tests your comprehensive understanding of how portfolio turnover impacts total fund costs. Understanding that high turnover increases costs (not decreases them) is critical. Advisers must recognize that turnover affects returns through transaction costs and tax efficiency, even though turnover itself is not part of the expense ratio.
An investment adviser is evaluating two S&P 500 index funds for a client's taxable account. Fund X has 5% annual turnover and a 0.04% expense ratio. Fund Y has 80% annual turnover and a 0.75% expense ratio. Both track the same index. Which of the following statements are accurate?
1. Fund X's lower turnover will likely generate fewer taxable capital gains distributions
2. Fund Y's higher turnover suggests it will outperform Fund X before expenses
3. Fund X's lower expense ratio will result in higher net returns, all else equal
4. Fund Y's turnover rate indicates it is more actively managed than Fund X
B is correct. Statements 1, 3, and 4 are accurate.
Statement 1 is TRUE: Fund X's 5% turnover means it rarely sells holdings, resulting in minimal capital gains distributions. Most gains remain unrealized until the investor sells shares. This is highly tax-efficient for taxable accounts. Fund Y's 80% turnover will generate substantial annual capital gains distributions that create taxable events.
Statement 2 is FALSE: Both funds track the same index (S&P 500), so they should have nearly identical returns before expenses. Higher turnover does NOT indicate better performance; in fact, it typically reduces performance due to transaction costs. If both track the same index, turnover differences reflect implementation inefficiency, not superior returns.
Statement 3 is TRUE: With identical pre-tax performance (both track S&P 500), the fund with the lower expense ratio (0.04% vs 0.75%) will deliver higher net returns. The 0.71% annual expense difference compounds significantly over time, making Fund X substantially better for long-term investors.
Statement 4 is TRUE: Fund Y's 80% turnover is far higher than typical for index funds (usually 5%-25%). This suggests more active trading and portfolio adjustments, potentially from frequent rebalancing or less efficient index tracking methodology. Fund X's 5% turnover is characteristic of pure passive index management.
The Series 65 exam tests your ability to evaluate multiple fund characteristics simultaneously (turnover, expenses, tax efficiency, management style) and understand how they interact to affect investor outcomes. This multi-dimensional analysis is critical for making suitable recommendations, especially distinguishing between similar index funds with different cost and turnover profiles.
💡 Memory Aid
Portfolio turnover = restaurant staff turnover: 100% means you replace EVERY employee once per year (high training costs, disruption, inefficiency), while 10% means stable team (low costs, continuity, efficiency). High portfolio turnover = high costs + high taxes. Low turnover = low costs + tax-efficient.
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Where This Appears on the Exam
This term is tested in the following Series 65 exam topics: