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name: structured-products
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name: structured-products description: Structured products — autocallables, reverse convertibles, capital protected. origin: ECT
By investor objective:
Yield enhancement:
- Reverse convertibles (short put + bond)
- Autocallables (conditional coupon + barriers)
- Discount certificates (covered call equivalent)
Higher coupon in exchange for downside risk
Capital protection:
- Principal-protected notes (zero-coupon bond + call option)
- Protected participation (bond floor + upside exposure)
- Guarantee certificates
Capital preserved at maturity, limited upside
Participation:
- Tracker certificates (delta-one exposure)
- Leveraged certificates (geared upside)
- Outperformance certificates (call spread on outperformance)
Direct or amplified exposure to underlying
Exotic payoffs:
- Range accruals (coupon accrues only when underlying is in range)
- Worst-of products (payoff determined by worst performer in basket)
- Cliquet / ratchet (periodic resets, path-dependent)
Complex payoffs requiring sophisticated pricing
The most popular structured product globally by issuance volume.
Mechanics:
- Periodic observation dates (monthly, quarterly, semi-annual)
- At each observation: if underlying >= autocall barrier, note is called
- On autocall: investor receives principal + accumulated coupon
- If never autocalled: at maturity, check knock-in barrier
- If underlying never breached knock-in barrier: return principal + final coupon
- If underlying breached knock-in barrier: return underlying performance (loss)
Typical terms (equity index autocallable):
Underlying: Euro Stoxx 50
Term: 3 years (callable every 6 months)
Coupon: 8% p.a. (memory coupon — missed coupons paid on next autocall)
Autocall barrier: 100% of initial level
Knock-in barrier: 60% of initial level (European or American observation)
Notional: EUR 1,000
Payoff scenarios:
Best case: Autocalled at first observation, receive 104% (6-month coupon)
Middle case: Called at year 2, receive 100% + 16% accumulated coupon
Worst case: Never called, knock-in breached, lose (1 - final_level/initial_level)
Risk decomposition:
Investor is effectively:
- Long a zero-coupon bond (issuer credit risk)
- Short a down-and-in put (knock-in barrier)
- Short a series of digital options (autocall feature)
- The coupon compensates for these embedded short options
Mechanics:
- Fixed coupon (higher than market rate)
- At maturity: if underlying >= strike, return principal
- If underlying < strike: deliver shares (or cash equivalent at lower price)
- Investor is long a bond + short a put option
Typical terms:
Underlying: Single stock (AAPL, NVDA, etc.)
Term: 6-12 months
Coupon: 12-20% p.a. (depending on underlying vol and strike)
Strike: 80-100% of spot (lower strike = lower coupon but more protection)
Decomposition:
Reverse convertible = Zero coupon bond + Short put
Coupon = Risk-free rate + Put premium received / Notional
Why the coupon is high:
- Investor is selling a put option to the issuer
- Higher underlying volatility = higher put premium = higher coupon
- Single stock reverse convertibles pay more than index (higher vol)
- Short-dated products pay less than long-dated (less time value)
Mechanics:
- Principal guaranteed at maturity (subject to issuer credit risk)
- Participation in upside of underlying asset
- Participation rate typically 50-100% (depends on rates and vol)
Construction:
Capital protection = Zero coupon bond maturing at par
Upside participation = Call option on underlying
Budget for option = 100% - PV(zero coupon bond)
Higher rates = more budget for options = higher participation rate
Higher vol = more expensive options = lower participation rate
Example (5-year, rates at 4%):
Zero coupon bond cost: 100 / (1.04)^5 = 82.2%
Option budget: 100% - 82.2% = 17.8%
ATM 5-year call option cost: ~25% of notional
Participation rate: 17.8% / 25% = 71%
Investor gets 100% principal back + 71% of index upside
Low-rate environment impact:
At 1% rates: ZCB cost = 95.1%, option budget = 4.9%
Participation rate drops to ~20% (product becomes unattractive)
This is why capital-protected products disappeared in ZIRP era
Reverse Convertible (strike = 100):
Payoff
| ___________
| /
| /
| /
|_____/
|
0 60 80 100 120 140 Underlying at maturity
Below strike: payoff = underlying level (loss)
Above strike: payoff = 100 + coupon (capped)
Autocallable (simplified, at maturity):
Payoff
| |--- Principal + coupon (if above autocall level)
| |
| |
| ____|
| / (knock-in barrier not breached: return principal)
| /
|_______/ (knock-in breached: underlying performance)
|
0 40 60 80 100 Underlying at maturity
Capital Protected:
Payoff
| / (participation rate * upside)
| /
| /
|___________/ (100% principal floor)
|
0 60 80 100 120 140 Underlying at maturity
General framework:
1. Decompose product into vanilla components (bonds, options, barriers)
2. Price each component using appropriate model
3. Sum components, add issuer margin
Pricing models by complexity:
Simple (reverse convertible): Black-Scholes for embedded put
Moderate (autocallable): Monte Carlo with local/stochastic vol
Complex (worst-of autocallable): Multi-asset Monte Carlo with correlation
Key pricing inputs:
- Underlying spot price and forward curve (dividends, repo)
- Volatility surface (skew matters for barrier products)
- Correlation matrix (for basket/worst-of products)
- Interest rate curve (for discounting and bond floor)
- Issuer credit spread (for counterparty risk adjustment)
Issuer margin:
- Typical: 1-5% of notional (embedded in coupon or participation rate)
- Higher margin for retail products (less price-transparent)
- Lower margin for institutional (competitive bidding)
- Margin covers: hedging costs, structuring fee, distribution fee, profit
Key risks for investors:
1. Market risk:
- Downside exposure if barriers are breached
- Worst-of products: risk is driven by weakest performer
- Correlation risk: low correlation increases worst-of risk
2. Issuer credit risk:
- Capital protection is only as good as the issuer (Lehman lesson)
- Autocallable coupons depend on issuer solvency
- Mitigant: collateralization, COSI (SIX Swiss Exchange)
3. Liquidity risk:
- Secondary market may not exist or bid-ask is wide (3-5%)
- Early exit is expensive (investor pays unwinding costs)
- Hold-to-maturity bias in product design
4. Complexity risk:
- Path-dependent features are hard for investors to evaluate
- Memory coupons, barrier observations, worst-of — compounding complexity
- Behavioral: investors underestimate tail risk of barrier products
5. Reinvestment risk:
- Autocallable: money returned early, must reinvest (potentially at lower rates)
- In low-vol environments, autocall quickly, leaving investor searching for yield
Issuer economics:
- Issue structured note at par (100%)
- Invest proceeds: buy bond (fund the principal) + buy/sell options (hedge payoff)
- Margin = par - cost of hedging components
- P&L recognized upfront or amortized over product life
Hedging the book:
Autocallable hedging:
- Delta: adjust equity hedge daily (sign flips near barriers)
- Gamma: concentrated near autocall barriers (hard to hedge)
- Vega: short vega (issued product benefits from low vol)
- Correlation (worst-of): short correlation (hedged with correlation swaps or proxy)
- Dividend risk: long dividends (if underlying falls, fewer dividends expected)
- Rates: duration exposure from bond component
Pin risk near barriers:
- As underlying approaches autocall barrier, gamma spikes
- Hedging costs increase dramatically near barriers
- Can cause "magnet effect" — large hedging flows push underlying toward barrier
Restriking risk:
- If product autocalls, issuer must issue new product at current levels
- In rising markets: new products have higher barriers, harder to hedge
- Autocall clustering: many products autocall simultaneously, causing flow imbalance
Before investing in or pricing structured products: