GET DAILY SIGNALSRoundhill COST WeeklyPay ETF (COSW) Delivers +14.7% Gain Over 30 Days
Key Takeaways
- COSW climbed about 14.7% over the trailing 30 days, rising from roughly $38.30 on October 13, 2026, to about $43.91.
- The move closely tracked Costco Wholesale (COST), whose weekly total return COSW is designed to deliver at 1.2x (120%) before fees and expenses.
- Costco reported October net sales of $24.50 billion, up 12.6% year over year, with U.S. comparable sales up 8.1% excluding gasoline prices and foreign exchange.
- COSW's 1.2x weekly leverage amplifies both gains and losses, making the fund more volatile than Costco common shares themselves.
- Over the trailing quarter, COSW advanced roughly 10.6% as Costco shares traded near 52-week highs.
- The fund is non-diversified, investing at least 80% of net assets in Costco shares and swaps that use Costco as the reference asset.
Getting to Know the Roundhill COST WeeklyPay ETF (COSW)
The Roundhill COST WeeklyPay ETF (COSW) launched on October 23, 2025, and trades on NYSE Arca. It aims to deliver weekly distributions along with calendar-week returns, before fees and expenses, equal to 1.2 times the calendar-week total return of Costco Wholesale Corporation common shares. Roundhill Financial manages the fund, with Exchange Traded Concepts as co-manager, and it carries a non-diversified classification.
Investors typically view COSW as a leveraged, income-focused way to gain exposure to Costco's equity performance. Because it targets 120% of Costco's weekly total return, the fund tends to move in the same direction as Costco but with greater magnitude, while also offering the potential for weekly distributions. This makes COSW more responsive than a standard 1x single-stock ETF in both rising and falling markets. I also checked this using Tickeron’s AI Screener to see how the fund compares to others in the industry.
Performance Snapshot: Last 30 Days Versus the Quarter
Over the trailing 30 days, COSW rose from a closing price of approximately $38.30 on October 13, 2026, to about $43.91, a gain of roughly 14.7%. The advance was steady and sustained, with the fund moving higher in line with Costco's own rally rather than spiking on a single day.
Over the trailing quarter, the fund climbed about 10.6%, from approximately $39.71 on August 12, 2026, to the most recent level near $43.91. In both periods, the performance mirrors Costco's price action, magnified by the fund's 120% weekly-return target. The consistent upward momentum in the underlying retailer stands out across these timeframes, with COSW amplifying that trend.
Drivers Behind COSW's 30-Day Move
The main factor behind COSW's 30-day advance was the strength in Costco's underlying shares. On November 4, 2026, Costco reported net sales of $24.50 billion for the retail month of October, the four weeks ended November 1, 2026, an increase of 12.6% from $21.75 billion a year earlier. Total-company comparable sales rose 11.1% for the four-week period, and U.S. comparable sales rose 8.1% excluding the impact of gasoline prices and foreign exchange. Digitally-enabled sales grew 22.5% over the four weeks.
Earlier in the period, on October 14, 2026, Costco's board declared a quarterly cash dividend of $1.47 per share. The retailer also benefited from strong September sales results and elevated gasoline prices, which boosted reported comparable sales. Because COSW seeks 120% of Costco's weekly total return, these positive developments translated into an amplified gain for the ETF. From what I see, the leverage structure played a key role in translating Costco's results into stronger moves for the fund.
Broader Drivers Over the Last Quarter
The quarter's narrative centered on consistent execution by Costco across its warehouse-club model. Comparable-sales growth remained solid, digital sales accelerated, and traffic growth stayed positive, reinforcing investor confidence in the retailer's membership-driven economics. Gasoline price inflation also lifted reported comparable sales during the period, contributing to a favorable top-line backdrop.
Analyst sentiment stayed constructive but divided on valuation. After the October sales report, some analysts reiterated positive ratings and raised price targets, while others held more cautious views given Costco's elevated price-to-earnings multiple relative to peers. Costco shares advanced roughly 24% year-to-date and traded near 52-week highs, a rally that COSW's 1.2x structure magnified. The fund's quarterly gain therefore reflects Costco's fundamentals combined with the leverage embedded in its design. I'm watching this closely as valuation debates continue.
What to Monitor Going Forward
Going forward, COSW's performance will continue to hinge on Costco's fundamentals and share-price direction. Key items to monitor include Costco's upcoming quarterly earnings report and guidance, as well as its monthly sales updates, which provide a timely read on comparable-sales, traffic, and digital growth. Consumer spending trends, membership renewal and fee dynamics, gasoline price movements, and foreign-exchange effects will all influence the underlying retailer's results.
Investors should also weigh fund-specific considerations. COSW is non-diversified and concentrated in a single underlying company, and its 120% weekly-return objective means losses can be amplified just as gains are. Fees, tracking differences, and the mechanics of weekly rebalancing can cause COSW's performance to deviate from a simple 1.2x multiple of Costco's return over longer holding periods. These factors, rather than any single event, will shape the fund's risk-reward profile in the months ahead.
Using Tickeron’s Trending AI Robots for Market Insights
I regularly review Tickeron’s Trending AI Robots to see which automated strategies are gaining traction. The page highlights top-performing bots across different timeframes and approaches, helping cut through market noise with data on momentum and trend-following systems. It offers a practical way to monitor what is currently working without needing to evaluate hundreds of options manually. This resource fits well when analyzing leveraged products like COSW alongside broader market signals.
Disclaimer
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Contributor
Sergey Savastiouk, Ph.D. has a degree in Applied Mathematics from Moscow University and has extensive experience as an entrepreneur, investor, manager, and mathematician. His professional expertise is in applied mathematics, mathematical modeling, system and pattern analysis, and software and hardware system integration. He has served as the CEO of several hi-tech start-up companies and nonprofit organizations, which has given him proven capabilities in business strategy for high-tech start-up companies, market assessment, company formation, team building, product development, marketing, and sales. He has published numerous articles in journals and magazines on related fields. As a retail investor, he spent 15 years developing his proprietary trading and quantitative algorithms (now Tickeron’s A.I.), which brought him significant returns in trading the stock market. His current work and goal in founding Tickeron is to bring professional, sophisticated stock market analysis capabilities to retail investors via an easy-to-use interface.
Aroon Indicator for COSW shows an upward move is likely
COSW's Aroon Indicator triggered a bullish signal on November 11, 2026. Tickeron's A.I.dvisor detected that the AroonUp green line is above 70 while the AroonDown red line is below 30. When the up indicator moves above 70 and the down indicator remains below 30, it is a sign that the stock could be setting up for a bullish move. Traders may want to buy the stock or look to buy calls options. A.I.dvisor looked at 25 similar instances where the Aroon Indicator showed a similar pattern. In 24 of the 25 cases, the stock moved higher in the days that followed. This puts the odds of a move higher at 90%.
Technical Analysis (Indicators)
Bullish Trend Analysis
The Momentum Indicator moved above the 0 level on October 29, 2026. You may want to consider a long position or call options on COSW as a result. In 18 of 22 past instances where the momentum indicator moved above 0, the stock continued to climb. The odds of a continued upward trend are 82%.
The Moving Average Convergence Divergence (MACD) for COSW just turned positive on October 30, 2026. Looking at past instances where COSW's MACD turned positive, the stock continued to rise in 10 of 12 cases over the following month. The odds of a continued upward trend are 83%.
COSW moved above its 50-day moving average on October 07, 2026 date and that indicates a change from a downward trend to an upward trend.
The 10-day moving average for COSW crossed bullishly above the 50-day moving average on October 13, 2026. This indicates that the trend has shifted higher and could be considered a buy signal. In 4 of 5 past instances when the 10-day crossed above the 50-day, the stock continued to move higher over the following month. The odds of a continued upward trend are 80%.
Following a +5.19% 3-day Advance, the price is estimated to grow further. Considering data from situations where COSW advanced for three days, in 52 of 60 cases, the price rose further within the following month. The odds of a continued upward trend are 87%.
Bearish Trend Analysis
The RSI Oscillator demonstrated that the stock has entered the overbought zone. This may point to a price pull-back soon.
The Stochastic Oscillator demonstrated that the ticker has stayed in the overbought zone for 6 days. The longer the ticker stays in the overbought zone, the sooner a price pull-back is expected.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where COSW declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 90%.
COSW broke above its upper Bollinger Band on November 04, 2026. This could be a sign that the stock is set to drop as the stock moves back below the upper band and toward the middle band. You may want to consider selling the stock or exploring put options.
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