Companies that trade – and trade well – have an advantage over companies
that don’t, but typically that advantage is more subtle – and perhaps
less fleeting – than successful commodity speculation. Companies that
trade are able to:

  • Clear the risks that are brought into their organizations

  • Arbitrage

  • Speculate

Each of these advantages of trading is dependent on world-class risk
management capability, information systems, and trading skills.

Clearing Risk

In a large energy merchant organization, the first and most important
benefit of a trading function is to eliminate, not create, risk. This
elimination of risk is called “clearing,” and it is done on a physical
and financial basis. For example, an energy merchant company may offer
to provide fixed-price natural gas for the balance of the year to a local
distribution company. The risk of market price fluctuations is borne by
the energy merchant company; if market prices rise throughout the year,
the merchant company’s decision to sell fixed-price gas looks like a bad
one. If market prices fall, the decision to sell fixed-price gas is clearly
profitable to the merchant company.

Suppose the merchant company decides to clear this risk financially.
The merchant company takes an offsetting position (or a hedge) in the
forward markets. In this example, the offsetting position is a purchase
of gas, at the same delivery location and over the same time periods as
the initial commitment to the local distribution company. The financial
risk of the position is transferred, or cleared, via the market. As the
delivery period for the natural gas approaches, the positions are physically
cleared when the trading organization takes delivery of the gas purchased
from the market and delivers the gas sold at fixed price to the local
distribution company.

The example mentioned above is simplified; risk clearing becomes much
more complex with transactions that involve more than a single commodity,
or more than a single type of risk. Common transactions in energy markets
today can include risk from more than one commodity, weather, unit reliability,
and so forth.

Typically, transactions that contain these risks are brought into the
company through the efforts of marketers, or “originators.” These originators
are not traders; they are expert at analyzing a client’s energy and risk
requirements and preferences. Successful originators also have a strong
understanding of the energy merchant company’s capabilities to properly
evaluate and manage the risk of these types of transactions.

As these transactions are discussed with clients, a “structure” group
intervenes to ensure that the valuation methodology of the transaction
is correct and that the assumptions behind the valuation are consistent
with current market price, volatility, and liquidity levels. The “structure”
role also offers guidance to the trading organization about the structure
of risks. Simple deals, like the example given above, are easy enough
to hedge, or clear. But more complex deals, which may involve weather
or reliability contingencies, can require several hedges made by different
traders, or they may contain risks that can’t be financially cleared.
Like the originator’s role, the “structure” role is not a trading activity;
rather, it is a valuation activity that uses data gleaned from trading
operations to assist in the valuation and partitioning of risks among
traders who can clear them.

The clearing function provides the trader, and therefore the organization,
with information about current conditions in the market. In markets that
are not transparent, such as the electricity market, the most reliable
information about price levels and liquidity is obtained by trading.

Two Special Cases of Risk Clearing: Asset “Leverage” and Market-Making

Executives often claim that building and maintaining a trading organization
is necessary to “leverage” their assets. While the phrase “leverage your
assets” can mean many things, in the energy industry it is typically used
to define the effort of maximizing the value of physical assets (gas pipelines,
generating plants, etc.) through trades. An organization charged with
leveraging an asset will identify significant risks associated with the
asset (such as outages at a power plant or severe weather changes in a
pipeline service area) and then make trades that reduce or eliminate those
risks. Then the leveraging organization will physically clear the position
either by selling it forward, by selling pieces of it on a contingent
basis, or by selling it in the very near-term markets (daily for gas pipeline
capacity or hourly for electricity).

A “market maker” provides a commodity or a commodity-related service
at a range of prices that allows both buyers and sellers to transact.
As in the case of asset leverage, market-making is a special case of risk
clearing. Rather than take in a risk and then seek to pass it back to
the market, a market maker will try to identify the market price level
that creates roughly an equal volume of buying interest and selling interest.
Then the market maker bids and offers commodity at those prices, with
the expectation of creating a balanced book and offering a service to
market participants.

There is significant benefit to all market participants when risks are
cleared via trading. Most importantly, liquidity and price transparency
are increased.

Arbitrage

The second benefit of maintaining a trading organization is the ability
to arbitrage the market when a temporary misallocation of resources occurs.
A trading organization that looks at national or regional markets can
identify pricing relationships that do not make sense. For example, suppose
that forward gas prices in the Northeast are $5.00 higher than forward
prices on the Gulf Coast. Traders that understand pipeline transportation
will know that $5.00 is significantly higher than the expected cost (or
the forward cost) of transporting gas from the Gulf Coast to the Northeast.
A trading company can arbitrage this differential without buying pipeline
capacity and physically shipping the gas. A trading company that understands
pipeline transportation can arbitrage the price differential, without
buying pipeline space, simply by taking a short position in the Northeast
and a long position on the Gulf Coast. This set of positions allows the
trading company to profit as the price relationship between the Gulf Coast
and the Northeast returns to a normal level.

This example of arbitrage is extremely simple and is, therefore, a situation
that is not likely to occur in the energy markets today. However, the
principle applies – traders who continually watch the markets can see
inconsistencies in pricing and can make relatively low-risk profits by
arbitraging those inconsistencies. In today’s energy markets, most arbitrage
opportunities occur either between regions (as in the example above),
between delivery periods (such as gas delivered in the summer versus gas
delivered in the winter), across different types of instruments (such
as options to futures), or across a combination of these conditions. Many
arbitrage opportunities are not perfect; that is, even though an arbitrage
position looks like a “sure win,” there can be significant speculative
elements involved with the position.

In addition to providing a low-risk benefit to trading companies, arbitrage
helps the market in two ways:

  • Provides pressure on prices to move to rational or normal levels
  • Maintains liquidity in the markets

Speculation

The third benefit of maintaining a trading organization is the opportunity
for speculation. An organization that skillfully trades gains market knowledge
and, over time, can become expert at predicting changes in prices, given
changes in supply or demand. This is often the most difficult benefit
of trading to maintain profitably, because the risks of speculation can
be great and because the markets continually change, requiring traders
to constantly update their knowledge.

In large energy companies, a knowledge of the relationship between weather
forecasts and energy demand can be at the root of profitable speculation.
Other speculative opportunities occur when non-commodity markets (stock
markets, bond markets, etc.) gain or lose participants, or when regulations
or technologies change. As with risk clearing and arbitrage, speculation
creates liquidity in the markets and keeps prices transparent.

Risk Management and Control

These three advantages provided by trading activities can be fleeting,
or even prove to be disastrous, for companies that do not have a well-defined
trading discipline. That discipline must include risk control, which requires
traders individually and as a group to keep the aggregate risk of their
positions within limits that are set and enforced by an independent risk-control
group. A key part of setting proper limits is understanding the objectives
and the risk tolerance of the company. Most companies that successfully
trade have specific limits and rigorous enforcement of those limits.