COSW Collar Strategy
COSW (Roundhill COST WeeklyPay ETF), in the Financial Services sector, (Asset Management industry), listed on CBOE.
COSW aims to combine weekly income and modest enhanced exposure to the weekly price performance of COST stock. The fund invests in total return swap agreements and COST common stock that in aggregate will return approximately 120% of the calendar week return of COST shares. Aside from providing 1.2x leveraged single-stock exposure, the fund will make weekly distribution payments to shareholders. It also invests in short-term US Treasurys and money market funds for collateral. Unlike traditional ETFs, COSW introduces added volatility due to its lack of diversification and use of leverage. Investors should note that an investment in the fund is not an investment in the underlying stock.
COSW (Roundhill COST WeeklyPay ETF) trades in the Financial Services sector, specifically Asset Management, with a market capitalization of approximately $13.6M, a beta of 0.34 versus the broader market, a 52-week range of 41.9-50.32, average daily share volume of 7K, a public-listing history dating back to 2025. These structural characteristics shape how COSW etf options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.
A beta of 0.34 indicates COSW has historically moved less than the broader market, dampening realized volatility and producing tighter expected-move bands per unit of dollar exposure. COSW pays a dividend, which adjusts put-call parity and shifts the ex-dividend pricing across the listed chain.
What is a collar on COSW?
A collar pairs long stock with a protective out-of-the-money put financed by a short out-of-the-money call, capping both tails of the position around the current spot.
Current COSW snapshot
As of May 15, 2026, spot at $47.77, ATM IV 26.30%, expected move 7.54%. The collar on COSW below is built from the same end-of-day chain, with strikes snapped to listed contracts and premiums pulled from the bid/ask midpoint at a 34-day expiry.
Why this collar structure on COSW specifically: IV rank is unavailable in the current snapshot, so regime-based timing for COSW is inferred from ATM IV at 26.30% alone, with a market-implied 1-standard-deviation move of approximately 7.54% (roughly $3.60 on the underlying). The 34-day window matched to the front-month expiry keeps theta exposure bounded while still capturing the post-snapshot move; longer-dated COSW expiries trade a higher absolute premium for lower per-day decay. Position sizing on COSW should anchor to the underlying notional of $47.77 per share and to the trader's directional view on COSW etf.
COSW collar setup
The COSW collar below is built from the end-of-day chain, with each option leg priced at the bid/ask midpoint of its listed strike. With COSW near $47.77, the first option leg uses a $50.00 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed COSW chain at a 34-day expiry; the cross-strike IV skew is reflected directly in the per-leg values rather than approximated. Quantity sizing assumes one contract per option leg (or 100 COSW shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Buy 100 shares | Stock | $47.77 | long |
| Sell 1 | Call | $50.00 | $0.63 |
| Buy 1 | Put | $45.00 | $0.72 |
COSW collar risk and reward
- Net Premium / Debit
- -$4,786.00
- Max Profit (per contract)
- $214.00
- Max Loss (per contract)
- -$286.00
- Breakeven(s)
- $47.86
- Risk / Reward Ratio
- 0.748
Max profit roughly equals short-call strike minus cost basis plus net premium; max loss roughly equals cost basis minus long-put strike minus net premium. Breakeven shifts by the net premium.
COSW collar payoff curve
Modeled P&L at expiration across a range of underlying prices for the collar on COSW. Each row is one sampled price point from the computed payoff curve; the full curve uses 200 price points internally before being summarized into 10 rows here.
| Underlying Price | % From Spot | P&L at Expiration |
|---|---|---|
| $0.01 | -100.0% | -$286.00 |
| $10.57 | -77.9% | -$286.00 |
| $21.13 | -55.8% | -$286.00 |
| $31.69 | -33.7% | -$286.00 |
| $42.25 | -11.5% | -$286.00 |
| $52.82 | +10.6% | +$214.00 |
| $63.38 | +32.7% | +$214.00 |
| $73.94 | +54.8% | +$214.00 |
| $84.50 | +76.9% | +$214.00 |
| $95.06 | +99.0% | +$214.00 |
When traders use collar on COSW
Collars on COSW hedge an existing long COSW etf position; the long put sets a floor while the short call finances it, often run as a near-zero-cost hedge during expected volatility windows.
COSW thesis for this collar
The market-implied 1-standard-deviation range for COSW extends from approximately $44.17 on the downside to $51.37 on the upside. A COSW collar hedges an existing long COSW position with a protective put while financing the put cost via a short call; when the premiums roughly offset, the collar acts as a near-zero-cost insurance band around the current spot. As a Financial Services name, COSW options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to COSW-specific events.
COSW collar positions are structurally neutral (protective); the modeled P&L assumes European-style exercise at expiration and ignores early assignment, transaction costs, dividends paid before expiry on the stock leg (when present), and the bid-ask spread on the listed chain. COSW positions also carry Financial Services sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move COSW alongside the broader basket even when COSW-specific fundamentals are unchanged. Always rebuild the position from current COSW chain quotes before placing a trade.
Frequently asked questions
- What is a collar on COSW?
- A collar on COSW is the collar strategy applied to COSW (etf). The strategy is structurally neutral (protective): A collar pairs long stock with a protective out-of-the-money put financed by a short out-of-the-money call, capping both tails of the position around the current spot. With COSW etf trading near $47.77, the strikes shown on this page are snapped to the nearest listed COSW chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
- How are COSW collar max profit and max loss calculated?
- Max profit roughly equals short-call strike minus cost basis plus net premium; max loss roughly equals cost basis minus long-put strike minus net premium. Breakeven shifts by the net premium. For the COSW collar priced from the end-of-day chain at a 30-day expiry (ATM IV 26.30%), the computed maximum profit is $214.00 per contract and the computed maximum loss is -$286.00 per contract. Live intraday quotes will differ as the chain moves through the trading session.
- What is the breakeven for a COSW collar?
- The breakeven for the COSW collar priced on this page is roughly $47.86 at expiration, derived from end-of-day chain premiums. Breakeven is the underlying price at which the strategy's P&L crosses zero ignoring transaction costs and assignment risk. The current COSW market-implied 1-standard-deviation expected move is approximately 7.54%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a collar on COSW?
- Collars on COSW hedge an existing long COSW etf position; the long put sets a floor while the short call finances it, often run as a near-zero-cost hedge during expected volatility windows.
- How does current COSW implied volatility affect this collar?
- Current COSW ATM IV is 26.30%; IV rank context is unavailable in the current snapshot.