1
Name Graph Description Payoff Profit Comments
Long Forward
Commitment to purchase
commodity at some point
in the future at a pre-
specified price
ST - F ST – F No premium
Asset price contingency: Always
Maximum Loss: -F
Maximum Gain: Unlimited
Short
Forward
See above Commitment to sell
commodity at some point
in the future at a pre-
specified price
F - ST F - ST No premium
Asset price contingency: Always
Maximum Loss: Unlimited
Maximum Gain: F
Long Call
(Purchased
Call)
Right, but not obligation,
to buy a commodity at
some future date
Max[0, ST – K] Max[0, ST –
K] – FV(PC)
Premium paid
Asset price contingency: ST>K
Maximum Loss: - FV(PC)
Maximum Gain: Unlimited
COB: Call is an Option to Buy
“Call me up”: Call purchaser benefits if
price of underlying asset rises
Short Call
(Written Call)
Commitment to sell a
commodity at some
future date if the
purchaser exercises the
option
- Max[0, ST –
K]
-Max[0, ST –
K] + FV(PC)
Premium received
Asset price contingency: ST>K
Maximum Loss: FV(PC)
Maximum Gain: FV(PC)
Long Put
(Purchased
Put)
Right, but not obligation,
to sell a commodity at
some future date
Max[0, K - ST] Max[0, K - ST]
- FV(PP)
Premium paid
Asset price contingency: K>ST
Maximum Loss: - FV(PP)
Maximum Gain: K - FV(PP)
POS: Put is an Option to Sell
“Put me down”: Put purchaser
benefits if price of underlying asset
falls
Short with respect to underlying asset
but long with respect to derivative
2
Short Put
(Written Put)
Commitment to buy a
commodity at some
future date if the
purchaser exercises the
option
-Max[0, K -
ST]
-Max[0, K -
ST] + FV(PP)
Premium received
Asset price contingency: K>ST
Maximum Loss: -K + FV(PP)
Maximum Gain: FV(PP)
Long with respect to underlying asset
but short with respect to derivative
Floor
Long Position in Asset +
Purchased Put
Used to insure a long position against
price decreases
Profit graph is identical to that of a
purchased call
Payoff graphs can be made identical by
adding a zero-coupon bond to the
purchased call
Cap
Short Position in Asset +
Purchased Call
Used to insure a short position against
price increases
Profit graph is identical to that of a
purchased put
Payoff graphs can be made identical by
adding a zero-coupon bond to the
purchased put
Covered call
writing
Long Position in Asset +
Sell a Call Option
Long Index Payoff
+
{-max[0, ST – K] +
FV(PC)}
Graph similar to that of a written put
Covered put
writing
Short Position in Asset +
Write a Put Option
- Long Index Payoff
+
{-max[0, K - ST] +
FV(PP)}
Graph similar to that of a written call
3
Synthetic
Forward
Purchase Call Option +
Write Put Option with
SAME Strike Price and
Expiration Date
{max[0, ST – K] –
FV(PC)} +
{-max[0, K - ST] +
FV(PP)}
Mimics long forward position, but
involves premiums and uses “strike
price” rather than “forward price”
Put-call parity:
Call(K,T) – Put(K,T) =
PV(F0,T – K)
Bull Spread
Purchase Call Option with Strike
Price K1 and Sell Call Option with
Strike Price K2, where K2>K1
OR
Purchase Put Option with Strike
Price K1 and Sell Put Option with
Strike Price K2, where K2>K1
{max[0, ST – K1] –
FV(PC1)} +
{-max[0, ST – K2] +
FV(PC2)}
Investor speculates that stock price
will rise
Although investor gives up a portion of
his profit on the purchased call, this is
offset by the premium received for
selling the call
Bear Spread
Sell Call Option with Strike Price K1
and Purchase Call Option with
Strike Price K2, where K2>K1
OR
Sell Put Option with Strike Price K1
and Purchase Put Option with
Strike Price K2, where K2>K1
{-max[0, ST – K1] +
FV(PC1)} +
{max[0, ST – K2] -
FV(PC2)}
Investor speculates that stock price
will fall
Graph is reflection of that of a bull
spread about the horizontal axis
Box Spread Bull Call Spread Bear Put
Spread
Synthetic Long
Forward
Buy Call at K1 Sell Put at K1
Synthetic Short
Forward
Sell Call at K2 Buy Put at K2
Consists of 4 Options and creates a
Synthetic Long Forward at one
price and a synthetic short forward
at a different price
Guarantees cash flow into the future
Purely a means of borrowing or
lending money
Costly in terms of premiums but has
no stock price risk
Ratio Spread Buy m calls at strike price K1 and –
sell n calls at strike price K2
OR
Buy m puts at strike price K1 and -
sell n puts at strike price K2
Enables spreads with 0 premium
Useful for paylater strategies
4
Purchased
Collar
Buy at-the-money Put Option
with strike price K1 + Sell out-of-
the-money Call Option with strike
price K2, where K2>K1
Collar width:
K2 - K1
Written
Collar
Sell at-the-money Put Option
with strike price K1 + Buy out-of-
the-money Call Option with strike
price K2, where K2>K1
Collared
Stock
Buy index + Buy at-the-money K1-
strike put option + sell out-of-the-
money K2 strike call option,
where K2>K1
Purchased Put insures the index
Written Call reduces cost of insurance
Zero-cost
collar
Buy at-the-money Put + Sell out-
of-the-money Call with the same
premium
For any given stock, there is an infinite number of zero-cost
collars
If you try to insure against all losses on the stock (including
interest), then a zero-cost collar will have zero width
Straddle
Buy a Call + Buy a Put with the
same strike price, expiration
time, and underlying asset
This is a bet that volatility is really greater than the market
assessment of volatility, as reflected in option prices
High premium since it involves purchasing two options
Guaranteed payoff as long as ST is different than K
Profit = |ST – K| – FV(PC) – FV(PP)
5
Strangle
Buy an out-of-the-money Call +
Buy an out-of-the money Put
with the same expiration time
and underlying asset
Reduces high premium cost of straddles
Reduces maximum loss but also reduces maximum profit
Written
Straddle
Sell a Call + Sell a Put with the
same strike price, expiration
time, and underlying asset
Bet that volatility is lower than the market’s assessment
Butterfly
Spread
Sell a K2-strike Call + Sell a K2-
strike Put
AND
Buy out-of-the-money K3-strike
Put
AND
Buy out-of-the-money K1-strike
Call
K1< K2< K3
Combination of a written straddle and insurance against
extreme negative outcomes
Out of the Money Put insures against extreme price
decreases
Out of the Money Call insures against extreme price
increases
Asymmetric
Butterfly
Spread
λ = K3 - K2
K3 – K1
Buy λ K1-strike calls
Buy (1 – λ) K3-strike calls
K2 = λK1 + (1 – λ)K3
K1< K2< K3
Cash-and-
carry
Buy Underlying Asset +
Short the Offsetting Forward
Contract
No Risk
Payoff = ST + (F0,T – ST) = F0,T
Cost of carry:
r – δ
Cash-and-
carry
arbitrage
Buy Underlying Asset +
Sell it forward
Can be created if a forward price F0,T is available such that
F0,T > S0e
(r – δ)T
6
Reverse cash-
and-carry
Cash Flow at t=0 Cash Flow at t=T
Short-tailed
position in stock,
receiving S0e
-δT
S0e
-δT
-ST
Lent S0e
-δT
-S0e
-δT
S0e
(r – δ)T
Long Forward 0 ST – F0,T
Total 0 S0e
(r – δ)T
– F0,T
Short Underlying Asset +
Long the Offsetting Forward
Contract
Payoff = -ST + (ST - F0,T) = -F0,T
Reverse cash-
and-carry
arbitrage
Can be created if a forward price F0,T is available such that
F0,T < S0e
(r – δ)T
If… THEN If Volatility ↑ If Unsure about Direction of Volatility Change If Volatility ↓
Price ↓ Buy puts Sell underlying asset Sell calls
Unsure about Direction of
Price Change
Buy straddle No action Write straddle
Price↑ Buy calls Buy underlying asset Sell Puts
Reasons to hedge Reasons NOT to hedge
1. Taxes Transaction costs (commissions, bid-ask spread)
2. Bankruptcy and distress costs Cost-benefit analysis may require costly expertise
3. Costly external financing Must monitor transactions to prevent unauthorized trading
4. Increase debt capacity (amount a firm can borrow) Tax and accounting consequences of transactions may complicate reporting
5. Managerial risk aversion
6. Nonfinancial risk management
Method of purchasing stock Pay at time Receive security at time Payment At time
Outright Purchase 0 0 S0 t=0
Fully-leveraged purchase T 0 S0e
rT t=0
Prepaid Forward Contract 0 T S0e
-δT t=T
Forward Contract T T S0e
(r - δ)T t=T
r = Continuously-compounded interest rate δ = Annualized daily compounded dividend yield rate
α = Annualized Dividend Yield: (1 ÷ T) × ln(F0,T ÷ S0)
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Pricing Prepaid Forward and Forward Contracts:
Prepaid Forward Contract FP0,T Forward Contract F0,T
No Dividends S0 S0e
rT
Discrete Dividends S0 - ∑PV0,t(Dt) S0e
rT - ∑er(T – t)×Dt
Continuous Dividends S0e
-δT S0e
(r - δ)T
Initial Premium Initial Premium = Price = FP0,T Initial Premium = 0
Price = F0,T = FV(F
P
0,T)
Forwards Futures
Obligation to buy or sell underlying asset at specified price on expiration
date
Same
Contracts tailored to the needs of each party Contracts are standardized (in terms of expiration dates, size, etc.)
Not “marked to market”; settlement made on expiration date only “Marked to market” and settled daily
Relatively illiquid
Traded over-the-counter and handled by dealers/brokers
Liquid
Exchange-traded and marked to market
Risk that one party will not fulfill obligation to buy or sell (credit risk) Marked to market and daily settlement minimize credit risk
Price limits are not applicable Complicated price limits
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