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A Complete Guide to the Futures mArket
Thus:
Ratio call writ el ong c all short put short c alls or
Rati
≈+ + 2,
oo call wr ite short put short call≈+
The right-hand term of this last equation is, in fact, the definition of a short straddle. In similar
fashion, it can be demonstrated that a short put write (short futures + short 2 puts) would also yield
a profit/loss profile nearly identical to the short straddle position.
Strategy 18: bull Call Money Spread (Long Call with Lower Strike
price/Short Call with higher Strike price)
example. Buy an August $1,250 gold futures call at a premium of $19.20/oz ($1,920) and
simultaneously sell an August $1,300 call at a premium of $9.10 ($910). (See Table 35.18 and
Figure 35.18.)
Comment. This type of spread position is also called a debit spread because the amount of premium
paid for the long call is greater than the amount of the premium received for the short call. The maxi-
mum risk in this type of trade is equal to the difference between these two premiums. The maximum
possible gain in this spread will be equal to the difference between the two strike prices minus the
net difference between the two premiums. The maximum loss will occur if prices fail to rise at least
beyond the lowest strike price. The maximum gain will be realized if prices rise above the higher
strike price. Note that although the maximum profit exceeds the maximum risk by a factor of nearly
4 to 1, the probability of a loss is significantly greater than the probability of a gain. This condition is
true since prices must rise $60.10/oz before the strategy proves profitable.
tabLe 35.18 profit/Loss Calculations: bull Call Money Spread (Long Call with Lower Strike price/
Short Call with higher Strike price)
(1) (2) (3) (4) (5) (6) (7) (8)
Futures price
at expiration
($/oz)
premium of
august $1,250
Call ($/oz)
$ amount
of premium
paid
premium of
august $1,300
Call ($/oz)
Dollar amount
of premium
received
$1,250 Call
Value at
expiration
$1,300 Call
Value at
expiration
profit/Loss on
position
[(5) (3) + (6) (7)]
1,000 19.2 $1,920 9.1 $910 $0 $0 -$1,010
1,050 19.2 $1,920 9.1 $910 $0 $0 -$1,010
1,100 19.2 $1,920 9.1 $910 $0 $0 -$1,010
1,150 19.2 $1,920 9.1 $910 $0 $0 -$1,010
1,200 19.2 $1,920 9.1 $910 $0 $0 -$1,010
1,250 19.2 $1,920 9.1 $910 $0 $0 -$1,010
1,300 19.2 $1,920 9.1 $910 $5,000 $0 $3,990
1,350 19.2 $1,920 9.1 $910 $10,000 $5,000 $3,990
1,400 19.2 $1,920 9.1 $910 $15,000 $10,000 $3,990