ketplace, massive influx of new tween $9.00 and $11.00, by the end money, and an overall increase in of a year, most ( 68.3%, by definition) Example A from 9-10-08 demand for hard goods has drasti- of the time. Dec. corn price = $5.36¾ cally changed the dynamics of grain What volatility essentially mea- Dec. implied volatility = 40.22% and commodity markets. The result sures is the speed of the market. = sigma of 12¾ ¢ per day has been all-time high prices and Markets that move rapidly have high volatility has been the norm. volatility and ones that move slowly Example B from 9-10-08
The new commodity market have low volatility. Nov. beans price = $11.78 environment has created fear for the Historical volatility measures the Nov. implied volatility= 42.66% user and sometimes paralysis for the speed of the underlying (futures) = sigma of 31½ ¢ per day producer. Deciding how far ahead market. This includes how far, how and at what price you hedge both often, and how fast, on a percentage natural long and short positions has become a difficult endeavor with no right answer, yet plenty have both ‘Volatility measures the speed of the opportunity and peril.
Options provide a powerful tool futures market. Markets that move in that they provide exactly the risk and reward parameters that you rapidly have high volatility, slow need when initiated.
passive vs. active hedging
There is no single right way to market a crop. But having multiple basis, the futures markets move. So with prices and implied volatil-choices is a benefit that can’t be Implied volatility is solely related ity at these levels, the corn market undervalued. with an option and numerically rep- should be moving approximately
• Future hedges (semipassive): Locks resents the value of an option above 12¾¢ a day and beans 31½¢ a day. in a certain price. intrinsic value. It is determined by Keep in mind, though, that these
• Option hedges (active): Constant the marketplace, with the willing- projected price movements are only monitoring needed, as the effects ness of buyers and sellers to establish expected norms, therefore, can only of time and speed of price move- these values. be used as guides. It is an important ment change the characteristics of These two intertwined yet separate concept to understand because it the hedge. entities are the root of all option quantifies implied volatility levels by
• Future and options combined trading decisions. The price of an assigning a real number ( 31½¢ a day (semiactive): Happy medium. option is simply the marketplace’s for beans) to them. Implied volatility
• Let the market decide (idle): Not collective forecast of the future at 40. 22 does not mean much to
such a good idea. volatility of the grain markets. Or many, but expected daily corn move-
in other words, it implies how fast ment of 12¾¢ does.
understanding option concepts the market should be moving in the Delta is a term used to represent
Volatility is defined as the one days, weeks, and years ahead. an options position’s directional risk.
standard deviation price change in Sigma, or the one standard devia- Delta is the sensitivity of an option
the futures market (or any underly- tion expected price change, is simply to a change in the underlying price
ing market) in percent, at the end the options market’s expectations of of the commodity. It is represented,
of one year. So a $10.00 item with how far the market should be mov- by an absolute number between 0
volatility at 10% should trade be- ing over different time periods. It is and 100, with the higher the number,
calculated by multiplying the futures the greater the directional risk.
price by present implied volatility In-the-money (ITM) options will
levels then dividing by the square
root of a time period.
References:
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