How are COSW bear put spread max profit and max loss calculated?

Max profit equals strike width minus net debit times 100; max loss equals net debit times 100. Breakeven is long-put strike minus net debit. For the COSW bear put spread priced from the end-of-day chain at a 30-day expiry (ATM IV 24.50%), the computed maximum profit is $127.00 per contract and the computed maximum loss is -$73.00 per contract. Live intraday quotes will differ as the chain moves through the trading session.

What is the breakeven for a COSW bear put spread?

The breakeven for the COSW bear put spread priced on this page is roughly $39.27 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 7.02%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.

How does current COSW implied volatility affect this bear put spread?

COSW ATM IV is at 24.50% with IV rank near 34.87%, which is mid-range against its 1-year history. Strategy selection depends more on directional thesis and expected move than on a strong IV signal.

COSW Bear Put Spread Strategy

COSW (Roundhill COST WeeklyPay ETF), in the Financial Services sector, (Asset Management industry), listed on CBOE.

The Roundhill COST WeeklyPay ETF (COSW) is designed to offer investors a blend of regular weekly income and moderately enhanced exposure to the weekly price movements of COST stock. It achieves this objective by investing in total return swap agreements and directly in COST common stock, collectively targeting approximately 120% of the underlying stock's calendar week return. This effectively provides 1.2x leveraged exposure to a single company's shares. Shareholders can expect weekly distribution payments. To secure its investments, the fund allocates capital to short-term US Treasurys and money market funds as collateral. Investors should be aware that COSW introduces heightened volatility compared to traditional ETFs.

COSW (Roundhill COST WeeklyPay ETF) trades in the Financial Services sector, specifically Asset Management, with a market capitalization of approximately $12.1M, a beta of 0.10 versus the broader market, a 52-week range of 40.31-50.32, average daily share volume of 5K, 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 0.10 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 bear put spread on COSW?

A bear put spread buys an at-the-money put and sells an out-of-the-money put at a lower strike for defined risk and defined reward bounded by the strike width.

Current COSW snapshot

As of June 30, 2026, spot at $40.17, ATM IV 24.50%, IV rank 34.87%, expected move 7.02%. The bear put spread 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 17-day expiry.

Why this bear put spread structure on COSW specifically: COSW IV at 24.50% is mid-range versus its 1-year history, so strategy selection should anchor more to the directional thesis than to the IV regime, with a market-implied 1-standard-deviation move of approximately 7.02% (roughly $2.82 on the underlying). The 17-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 $40.17 per share and to the trader's directional view on COSW etf.

COSW bear put spread setup

The COSW bear put spread 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 $40.17, the first option leg uses a $40.00 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 17-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 1	Put	$40.00	$1.26
Sell 1	Put	$38.00	$0.53

COSW bear put spread risk and reward

Net Premium / Debit: -$73.00
Max Profit (per contract): $127.00
Max Loss (per contract): -$73.00
Breakeven(s): $39.27
Risk / Reward Ratio: 1.740

Max profit equals strike width minus net debit times 100; max loss equals net debit times 100. Breakeven is long-put strike minus net debit.

COSW bear put spread payoff curve

Modeled P&L at expiration across a range of underlying prices for the bear put spread 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.

P&L at expiration across the modeled underlying-price range. Green shading marks profitable regions, red shading marks loss regions. Dotted purple verticals mark breakevens; the solid dark vertical marks current spot.

Underlying Price	% From Spot	P&L at Expiration
$0.01	-100.0%	+$127.00
$8.89	-77.9%	+$127.00
$17.77	-55.8%	+$127.00
$26.65	-33.7%	+$127.00
$35.53	-11.5%	+$127.00
$44.41	+10.6%	-$73.00
$53.29	+32.7%	-$73.00
$62.17	+54.8%	-$73.00
$71.06	+76.9%	-$73.00
$79.94	+99.0%	-$73.00

When traders use bear put spread on COSW

Bear put spreads on COSW reduce the cost of a bearish COSW etf position by selling a lower-strike put; suited to moderate-decline theses where price reaches but does not vastly exceed the short strike.

COSW thesis for this bear put spread

The market-implied 1-standard-deviation range for COSW extends from approximately $37.35 on the downside to $42.99 on the upside. A COSW bear put spread caps both the risk and the reward of a bearish position; relative to an outright long put on COSW, the spread reduces the cost basis but limits the maximum profit to the strike width minus net debit. Current COSW IV rank near 34.87% is mid-range against its 1-year distribution, so the IV signal is neutral; the bear put spread thesis on COSW should anchor more to the directional view and the expected-move geometry. 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 bear put spread positions are structurally moderately bearish; 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. Long-premium structures like a bear put spread on COSW are particularly exposed to IV-crush risk through scheduled events (earnings, FDA decisions, central-bank meetings) where IV typically contracts post-event regardless of the directional outcome. Always rebuild the position from current COSW chain quotes before placing a trade.

Frequently asked questions

What is a bear put spread on COSW?: A bear put spread on COSW is the bear put spread strategy applied to COSW (etf). The strategy is structurally moderately bearish: A bear put spread buys an at-the-money put and sells an out-of-the-money put at a lower strike for defined risk and defined reward bounded by the strike width. With COSW etf trading near $40.17, 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 bear put spread max profit and max loss calculated?: Max profit equals strike width minus net debit times 100; max loss equals net debit times 100. Breakeven is long-put strike minus net debit. For the COSW bear put spread priced from the end-of-day chain at a 30-day expiry (ATM IV 24.50%), the computed maximum profit is $127.00 per contract and the computed maximum loss is -$73.00 per contract. Live intraday quotes will differ as the chain moves through the trading session.
What is the breakeven for a COSW bear put spread?: The breakeven for the COSW bear put spread priced on this page is roughly $39.27 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 7.02%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
When should you consider a bear put spread on COSW?: Bear put spreads on COSW reduce the cost of a bearish COSW etf position by selling a lower-strike put; suited to moderate-decline theses where price reaches but does not vastly exceed the short strike.
How does current COSW implied volatility affect this bear put spread?: COSW ATM IV is at 24.50% with IV rank near 34.87%, which is mid-range against its 1-year history. Strategy selection depends more on directional thesis and expected move than on a strong IV signal.