KDEF Cash-Secured Put Strategy
KDEF (PLUS Korea Defense Industry Index ETF), in the Financial Services sector, (Asset Management industry), listed on AMEX.
The fund normally invests in securities comprising the index. The index is designed to track the performance of South Korean companies that have demonstrated high relevance to defense (“Korea Defense Companies”). Under normal circumstances, the fund invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in securities comprising the index. The fund is non-diversified.
KDEF (PLUS Korea Defense Industry Index ETF) trades in the Financial Services sector, specifically Asset Management, with a market capitalization of approximately $56.0M, a beta of 1.80 versus the broader market, a 52-week range of 31.4-67.41, average daily share volume of 165K, 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 1.80 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 cash-secured put on KDEF?
A cash-secured put sells an out-of-the-money put while holding cash equal to the strike-times-100 obligation, keeping the premium when the underlying stays above the strike.
Current KDEF snapshot
As of May 13, 2026, spot at $56.55, ATM IV 56.50%, IV rank 32.35%, expected move 16.20%. The cash-secured put on KDEF 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 cash-secured put structure on KDEF specifically: KDEF IV at 56.50% is mid-range versus its 1-year history, so the credit collected on a KDEF cash-secured put sits in line with its long-run distribution, with a market-implied 1-standard-deviation move of approximately 16.20% (roughly $9.16 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 KDEF expiries trade a higher absolute premium for lower per-day decay. Position sizing on KDEF should anchor to the underlying notional of $56.55 per share and to the trader's directional view on KDEF etf.
KDEF cash-secured put setup
The KDEF cash-secured put below is built from the end-of-day chain, with each option leg priced at the bid/ask midpoint of its listed strike. With KDEF near $56.55, the first option leg uses a $54.00 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 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 KDEF shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Sell 1 | Put | $54.00 | $4.40 |
KDEF cash-secured put risk and reward
- Net Premium / Debit
- +$440.00
- Max Profit (per contract)
- $440.00
- Max Loss (per contract)
- -$4,959.00
- Breakeven(s)
- $49.60
- Risk / Reward Ratio
- 0.089
Max profit equals premium times 100; max loss equals strike minus premium times 100 (at zero, assuming assignment). Breakeven is strike minus premium.
KDEF cash-secured put payoff curve
Modeled P&L at expiration across a range of underlying prices for the cash-secured put 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.
| Underlying Price | % From Spot | P&L at Expiration |
|---|---|---|
| $0.01 | -100.0% | -$4,959.00 |
| $12.51 | -77.9% | -$3,708.76 |
| $25.01 | -55.8% | -$2,458.52 |
| $37.52 | -33.7% | -$1,208.28 |
| $50.02 | -11.5% | +$41.96 |
| $62.52 | +10.6% | +$440.00 |
| $75.02 | +32.7% | +$440.00 |
| $87.53 | +54.8% | +$440.00 |
| $100.03 | +76.9% | +$440.00 |
| $112.53 | +99.0% | +$440.00 |
When traders use cash-secured put on KDEF
Cash-secured puts on KDEF earn premium while a trader waits to acquire KDEF etf at a target strike below the current quote; most attractive when IV is rich and the trader is comfortable owning KDEF.
KDEF thesis for this cash-secured put
The market-implied 1-standard-deviation range for KDEF extends from approximately $47.39 on the downside to $65.71 on the upside. A KDEF cash-secured put lets a trader earn premium while waiting to acquire KDEF at the strike price; the strategy is most attractive when the trader is comfortable holding the underlying at that level and IV is rich enough to compensate for the assignment risk. Current KDEF IV rank near 32.35% is mid-range against its 1-year distribution, so the IV signal is neutral; the cash-secured put thesis on KDEF should anchor more to the directional view and the expected-move geometry. 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 cash-secured put positions are structurally neutral to slightly 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. Short-premium structures like a cash-secured put on KDEF carry tail risk when realized volatility exceeds the implied move; review historical KDEF earnings reactions and macro stress periods before sizing. Always rebuild the position from current KDEF chain quotes before placing a trade.
Frequently asked questions
- What is a cash-secured put on KDEF?
- A cash-secured put on KDEF is the cash-secured put strategy applied to KDEF (etf). The strategy is structurally neutral to slightly bullish: A cash-secured put sells an out-of-the-money put while holding cash equal to the strike-times-100 obligation, keeping the premium when the underlying stays above the strike. With KDEF etf trading near $56.55, the strikes shown on this page are snapped to the nearest listed KDEF chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
- How are KDEF cash-secured put max profit and max loss calculated?
- Max profit equals premium times 100; max loss equals strike minus premium times 100 (at zero, assuming assignment). Breakeven is strike minus premium. For the KDEF cash-secured put priced from the end-of-day chain at a 30-day expiry (ATM IV 56.50%), the computed maximum profit is $440.00 per contract and the computed maximum loss is -$4,959.00 per contract. Live intraday quotes will differ as the chain moves through the trading session.
- What is the breakeven for a KDEF cash-secured put?
- The breakeven for the KDEF cash-secured put priced on this page is roughly $49.60 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 KDEF market-implied 1-standard-deviation expected move is approximately 16.20%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a cash-secured put on KDEF?
- Cash-secured puts on KDEF earn premium while a trader waits to acquire KDEF etf at a target strike below the current quote; most attractive when IV is rich and the trader is comfortable owning KDEF.
- How does current KDEF implied volatility affect this cash-secured put?
- KDEF ATM IV is at 56.50% with IV rank near 32.35%, 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.