ETF Evaluator:
Roundhill COST WeeklyPay ETF (COSW)
Follow This ETF
(as of Sep 03)
Best Performing in Trading--Miscellaneous Over the Last Year
| 196.7% | Roundhill AMD WeeklyPay ETF (AMDW) |
| 98.9% | Roundhill GOOGL WeeklyPay ETF (GOOW) |
| 98.0% | T-REX 2X Invrs Bitcn Dly Trgt ETF (BTCZ) |
| 64.3% | ProShares Shrt Bitcoin ETF (BITI) |
| 54.4% | Roundhill AAPL WeeklyPay ETF (AAPW) |
Risk
Index
Risk
Index
ETF Details
Roundhill COST WeeklyPay ETF Overview
Roundhill COST WeeklyPay ETF (COSW) is an actively managed Miscellaneous Trading--Miscellaneous exchange-traded fund (ETF). Roundhill Investments launched the ETF in 2025.
The investment seeks to pay weekly distributions. The secondary investment objective is to provide calendar week returns, before fees and expenses, that correspond to 1.2 times (120%) the calendar week total return of common shares of Costco Wholesale Corporation (Nasdaq: COST) (“COST”).
The fund will invest at least 80% of its net assets (plus any borrowings for investment purposes) in swaps that utilize COST as the reference asset and in shares of COST. The fund is non-diversified.
About Roundhill COST WeeklyPay ETF (COSW)
There are 7 members of the management team with an average tenure of 0.77 years: William Hershey (2025), Andrew Serowik (2025), Timothy Maloney (2025), Gabriel Tan (2025), Todd Alberico (2025), Brian Cooper (2025) and David Mazza (2025). Management tenure is more important for actively managed ETFs than passive index ETFs.
Roundhill COST WeeklyPay ETF has 6 securities in its portfolio. The top 10 holdings constitute 214.9% of the ETF’s assets. The ETF meets the SEC requirement of being classified as a nondiversified fund. The ETF is not considered to have an ESG focus with its investment selection and management.
Roundhill COST WeeklyPay ETF is part of the Other global asset class and is within the Miscellaneous ETF group. Roundhill COST WeeklyPay ETF has 0.0% of its portfolio invested in foreign issues. The overall assets allocated to domestic stock is 119.7% There is 0.0% allocated to foreign stock, and 0.0% is allocated to preferred stocks. The bond allocation as a percentage of total assets is 0.0% (0.0% domestic bond, 0.0% foreign bond and 0.0% convertible bond). Roundhill COST WeeklyPay ETF has -15.6% of the portfolio in cash.
Assets Under Management
The fund has $10 million in total assets, which is below the $78 million average for the Trading--Miscellaneous category. Normally, lower assets under management translates to higher average expense ratios, and greater total assets are desired. However, for some investment categories, such as small-cap investing, it may be difficult for the manager to fully employ the desired active strategy if assets grow too large or too quickly.
COSW Performance and Fees
The expense ratio measures how much of a fund’s assets are used for administrative expenses and operating expenses, including adviser fees and fees for the transfer agent and custodial services. The Roundhill COST WeeklyPay ETF expense ratio is high compared to funds in the Trading--Miscellaneous category. Roundhill COST WeeklyPay ETF has an expense ratio of 0.99%, which is 5% lower than its category average, making the fund expense ratio grade a B. While it is difficult to predict returns, it is known that high annual expense ratios reduce your rate of return, and excessive fees are difficult to overcome. Active management normally comes with higher expense ratios than passive index management. Certain investment categories such as small company and foreign also normally have higher expense ratios. It is best to compare fund expense ratios against the category averages for meaningful assessments.
High portfolio turnover can translate to higher expenses and lower aftertax returns. Roundhill COST WeeklyPay ETF has a portfolio turnover rate of 10%, which indicates that it holds its assets around / 0.1 years. By way of comparison, the average portfolio turnover is 46% for the Trading--Miscellaneous category.
Recently, in the month of July 2026, Roundhill COST WeeklyPay ETF returned 1.9%, which earned it a grade of B, as the Trading--Miscellaneous category had an average return of 0.1%. The letter grades of A, B, C, D and F are based upon relative rankings within the investment category. A grade of A, for example, would indicate that the return is in the highest 20% for that time period compared to all ETFs in that category.
Roundhill COST WeeklyPay ETF has a trailing yield of 0.00%, which is below the 68.32% category average.
The fund normally distributes its income weekly and its capital gains annually.
It’s natural to seek the best-performing investments, but you must consider the relationship between risk and return and the impact of costs and taxes on your realized returns.
Roundhill COST WeeklyPay ETF Grades
Year to date, the ETF has returned 10.2%, 15.1 percentage points better than the category, which translates into a grade of B.
For more ETF grades, analysis and screening tools to help your investment discovery, join AAII for a $2, full-access trial. Learn more here: https://invest.aaii.com/membership.
Otherwise, for more information about Roundhill COST WeeklyPay ETF, including its riskiness, submit your email to unlock the rest of the article.
Gain access to exclusive AAII member-only content.
COSW Trailing NAV Total Returns Data as of 7/31/26
| Last Month |
Last Quarter |
Ann'l. 1Yr |
Ann'l. 3Yr |
Ann'l. 5Yr |
Ann'l. 10Yr |
|
| COSW Return (NAV) | 1.9% | -8.1% | na | na | na | na |
| COSW Return (Price) | 1.6% | -8.6% | na | na | na | na |
| NAV +/- Price Return | 0.306% | 0.547% | na | na | na | na |
| Trading--Miscellaneous Avg | 0.1% | -8.5% | -7.5% | -8.9% | -10.7% | -11.3% |
| COSW Grade (NAV) | B | C | na | na | na | na |
| +/- Category (NAV) | 1.8% | 0.4% | na | na | na | na |
| COSW Tax-Cost Ratio | na | na | na | na | na | na |
COSW Annual NAV Total ReturnsData as of 7/31/26
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
| COSW Return (NAV) | 10.2% | na | na | na | na | na | na | na | na | na | na |
| COSW Return (Price) | 10.0% | na | na | na | na | na | na | na | na | na | na |
| NAV +/- Price Ret | -0.023% | na | na | na | na | na | na | na | na | na | na |
| Trading--Miscellaneous Avg | -4.9% | -8.8% | -5.4% | -17.0% | -10.3% | -12.4% | 6.5% | -12.0% | 5.8% | -4.1% | -10.4% |
| COSW Grade (NAV) | B | na | na | na | na | na | na | na | na | na | na |
| +/- Category | 15.1% | na | na | na | na | na | na | na | na | na | na |
| Risk Measures | |
| Beta: | na |
| R-Squared: | na |
| Standard Deviation: | na |
| Category Risk Index: | na |
| Category Risk Rating: | |
| Total Risk Index: | na |
| Total Risk Rating: | |
| Portfolio Characteristics | |
| Yield: | -- |
| Total Assets: | $ 11 Mil |
| Share Class Assets: | $ 11 Mil |
| Turnover: | 10.0% |
| Expense Ratio: | 0.99% |
| Index Fund: | No |
| Index Tracked: | N/A |
| Index Weighting: | 100% |
| Leveraged: | Yes |
| Socially Responsible Fund: | No |
| Capital Gains Distribution Frequency: | Annually |
| Income Distribution Frequency: | Weekly |
Management Team
| Number of Managers: 7 | |||
| Longest Tenure: 0.8 years | |||
| Average Tenure: 0.8 years | |||
| Managers (Year): Hershey William (2025), Serowik Andrew (2025), Maloney Timothy (2025), Tan Gabriel (2025), Alberico Todd (2025), Cooper Brian (2025), Mazza David (2025) | |||
Portfolio Composition (as of 7/31/26)
| # of Holdings: | 6 |
| % in Top 10 Holdings: | 214.9% |
| Fund is Non-Diversified: | Yes |
| % in Foreign Issues: | 0.0% |
Portfolio Allocation |
|
| Domestic Stock: | 119.7% |
| Foreign Stock: | 0.0% |
| Preferred Stock: | 0.0% |
| Domestic Bond: | 0.0% |
| Foreign Bond: | 0.0% |
| Convertible Bond: | 0.0% |
| Other: | -4.0% |
| Cash: | -15.6% |
Purchase Information
| Legal Structure: | Open Ended Investment Company |
| Fund Family: | Roundhill Investments |
| Phone Number: | 855-561-5728 |
| Website: | |
| Inception Date: | October 22, 2025 |
Expenses and Fees
| Expense Ratio (%): | 0.99% (Rating: High) |
| Category Average Expense Ratio (%): | 1.04% |
