How are KDEF bull call 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-call strike plus net debit. For the KDEF bull call spread priced from the August 14, 2026 end-of-day chain at a 30-day expiry (ATM IV 55.00%), the computed maximum profit is $107.50 per contract and the computed maximum loss is -$92.50 per contract. Live intraday quotes will differ as the chain moves through the trading session.

What is the breakeven for a KDEF bull call spread?

The breakeven for the KDEF bull call spread priced on this page is roughly $45.93 at expiration, derived from the August 14, 2026 end-of-day chain's premiums. Breakeven is the underlying price at which the strategy's P&L crosses zero ignoring transaction costs and assignment risk. The KDEF market-implied 1-standard-deviation expected move in the same options snapshot is approximately 15.77%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.

How does current KDEF implied volatility affect this bull call spread?

KDEF ATM IV is at 55.00% with IV rank near 8.63%, which is on the low end of its 1-year range. Premium-buying structures (long call, long put, debit spreads) are relatively cheap in this regime; premium-selling structures collect less credit per unit risk.

KDEF Bull Call Spread Strategy

KDEF (PLUS Korea Defense Industry Index ETF), in the Financial Services sector, (Asset Management - Global industry), listed on AMEX.

This investment product typically allocates its capital to the underlying assets that constitute its benchmark index. That index is specifically engineered to reflect the financial results of South Korean enterprises with a strong connection to the defense sector, officially referred to as "Korea Defense Companies." During standard operating periods, the fund is obligated to invest a minimum of 80% of its total net assets—encompassing any borrowed funds utilized for investment—in the constituent securities of this index. It functions as a non-diversified portfolio.

KDEF (PLUS Korea Defense Industry Index ETF) trades in the Financial Services sector, specifically Asset Management - Global, with a market capitalization of approximately $45.0M, a beta of 1.58 versus the broader market, a 52-week range of 33.17-67.41, average daily share volume of 121K, a public-listing history dating back to 2025. These structural characteristics shape how KDEF etf options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.

A beta of 1.58 indicates KDEF has historically moved more than the broader market, amplifying both the directional payoff and the realized volatility relative to an index-equivalent position. KDEF pays a dividend, which adjusts put-call parity and shifts the ex-dividend pricing across the listed chain.

What is a bull call spread on KDEF?

A bull call spread buys an at-the-money call and sells an out-of-the-money call at a higher strike for defined risk and defined reward bounded by the strike width.

KDEF snapshot

As of August 14, 2026, spot at $45.06, ATM IV 55.00%, IV rank 8.63%, expected move 15.77%. The bull call spread on KDEF below is built from the August 14, 2026 end-of-day chain, with strikes snapped to listed contracts and premiums pulled from the bid/ask midpoint at a 35-day expiry.

Why this bull call spread structure on KDEF specifically: KDEF IV at 55.00% is on the cheap side of its 1-year range, which favors premium-buying structures like a KDEF bull call spread, with a market-implied 1-standard-deviation move of approximately 15.77% (roughly $7.11 on the underlying). The 35-day window matched to the front-month expiry keeps theta exposure bounded while still capturing the post-snapshot move; longer-dated KDEF expiries trade a higher absolute premium for lower per-day decay. Position sizing on KDEF should anchor to the underlying notional of $45.06 per share and to the trader's directional view on KDEF etf.

KDEF bull call spread setup

The KDEF bull call spread below is built from the August 14, 2026 end-of-day chain, with each option leg priced at the bid/ask midpoint of its listed strike. With KDEF at $45.06 on that close, the first option leg uses a $45.00 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed KDEF chain at a 35-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 KDEF shares for the stock leg in covered calls and collars).

Action	Type	Strike / Basis	Premium (est)
Buy 1	Call	$45.00	$3.33
Sell 1	Call	$47.00	$2.40

KDEF bull call spread risk and reward

Net Premium / Debit: -$92.50
Max Profit (per contract): $107.50
Max Loss (per contract): -$92.50
Breakeven(s): $45.93
Risk / Reward Ratio: 1.162

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

KDEF bull call spread payoff curve

Modeled P&L at expiration across a range of underlying prices for the bull call spread on KDEF. 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%	-$92.50
$9.97	-77.9%	-$92.50
$19.93	-55.8%	-$92.50
$29.90	-33.7%	-$92.50
$39.86	-11.5%	-$92.50
$49.82	+10.6%	+$107.50
$59.78	+32.7%	+$107.50
$69.74	+54.8%	+$107.50
$79.71	+76.9%	+$107.50
$89.67	+99.0%	+$107.50

When traders use bull call spread on KDEF

Bull call spreads on KDEF reduce the cost of a bullish KDEF etf position by selling a higher-strike call; suited to moderate-move theses where price reaches but does not vastly exceed the short strike.

KDEF thesis for this bull call spread

The market-implied 1-standard-deviation range for KDEF extends from approximately $37.95 on the downside to $52.17 on the upside. A KDEF bull call spread caps both the risk and the reward of a bullish position; relative to an outright long call on KDEF, the spread reduces the cost basis but limits the maximum profit to the strike width minus net debit. Current KDEF IV rank near 8.63% sits in the lower third of its 1-year distribution, where IV often re-expands toward the mean; this favors premium-buying structures and disadvantages premium-selling structures on KDEF at 55.00%. As a Financial Services name, KDEF options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to KDEF-specific events.

KDEF bull call spread positions are structurally moderately bullish; 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. KDEF positions also carry Financial Services sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move KDEF alongside the broader basket even when KDEF-specific fundamentals are unchanged. Long-premium structures like a bull call spread on KDEF 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 KDEF chain quotes before placing a trade.

Frequently asked questions

What is a bull call spread on KDEF?: A bull call spread on KDEF is the bull call spread strategy applied to KDEF (etf). The strategy is structurally moderately bullish: A bull call spread buys an at-the-money call and sells an out-of-the-money call at a higher strike for defined risk and defined reward bounded by the strike width. With KDEF etf at $45.06 on the August 14, 2026 close, the strikes shown on this page are snapped to the nearest listed KDEF chain strike and the premiums come straight from that session's bid/ask midpoint.
How are KDEF bull call 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-call strike plus net debit. For the KDEF bull call spread priced from the August 14, 2026 end-of-day chain at a 30-day expiry (ATM IV 55.00%), the computed maximum profit is $107.50 per contract and the computed maximum loss is -$92.50 per contract. Live intraday quotes will differ as the chain moves through the trading session.
What is the breakeven for a KDEF bull call spread?: The breakeven for the KDEF bull call spread priced on this page is roughly $45.93 at expiration, derived from the August 14, 2026 end-of-day chain's premiums. Breakeven is the underlying price at which the strategy's P&L crosses zero ignoring transaction costs and assignment risk. The KDEF market-implied 1-standard-deviation expected move in the same options snapshot is approximately 15.77%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
When should you consider a bull call spread on KDEF?: Bull call spreads on KDEF reduce the cost of a bullish KDEF etf position by selling a higher-strike call; suited to moderate-move theses where price reaches but does not vastly exceed the short strike.
How does current KDEF implied volatility affect this bull call spread?: KDEF ATM IV is at 55.00% with IV rank near 8.63%, which is on the low end of its 1-year range. Premium-buying structures (long call, long put, debit spreads) are relatively cheap in this regime; premium-selling structures collect less credit per unit risk.