BTCC Statement of Additional Information

multiple. The writer (seller) of the option is obligated, in return for the premiums received from the purchaser of the option, to make delivery of this amount to the purchaser. In the case of cleared options, in order to secure the obligation to deliver the underlying asset in the case of a call option, the writer of a call option is required to deposit in escrow the underlying asset or other assets in accordance with the rules of the Options Clearing Corporation (the “OCC”), a clearing agency created to interpose itself between buyers and sellers of options. The OCC assumes the other side of every purchase and sale transaction on an exchange and, by doing so, guarantees performance by the other side of the transaction. Pursuant to relevant regulatory requirements, the Fund is required to agree in writing to be bound by the rules of the OCC. The principal reason for the Fund to write call options on assets held by the Fund is to attempt to realize, through the receipt of premiums, a greater return than would be realized on the underlying assets alone. If the Fund that writes an option wishes to terminate the Fund’s obligation, the Fund may effect a “closing purchase transaction.” The Fund accomplishes this by buying an option of the same series as the option previously written by the Fund (i.e., same underlying security, exercise price and expiration date). The effect of the purchase is that the writer’s position will be canceled by the OCC and does not result in the ownership of an option. However, a writer may not effect a closing purchase transaction after the writer has been notified of the exercise of an option. A closing purchase transaction will ordinarily be effected to realize a profit on an outstanding option, to prevent an underlying instrument from being called, to permit the sale of the underlying security or to permit the writing of a new option containing different terms on such underlying security. The cost of such a liquidation purchase plus transaction costs may be greater than the premium received upon the original option, in which event the Fund will have incurred a loss in the transaction. There is no assurance that a liquid secondary market will exist for any particular option. An option writer, unable to effect a closing purchase transaction, will not be able to sell the underlying security (in the case of a covered call option) or liquidate the segregated assets (in the case of a secured put option) until the option expires or the optioned security is delivered upon exercise with the result that the writer in such circumstances will be subject to the risk of market decline or appreciation in the instrument during such period. Likewise, if the Fund purchases an option wishes to sell, it may liquidate its position by effecting a “closing sale transaction.” The Fund accomplishes this by selling an option of the same series as the option previously purchased by the Fund. There is no guarantee that either a closing purchase or a closing sale transaction can be effected. If any call or put option is not exercised or sold, the option will become worthless on its expiration date. The Fund will realize a gain (or a loss) on a closing purchase transaction with respect to a call or a put option previously written by the Fund if the premium, plus commission costs, paid by the Fund to purchase the call or put option to close the transaction is less (or greater) than the premium, less commission costs, received by the Fund on the sale of the call or the put option. The Fund also will realize a gain if a call or put option which the Fund has written lapses unexercised, because the Fund would retain the premium. In the case of a call option on a security, the option is “covered” if the Fund owns the security underlying the call or has an absolute and immediate right to acquire that security without additional cash consideration (or, if additional cash consideration is required, liquid assets in such amount are segregated) upon conversion or exchange of other securities held by it. A call option also is covered if the Fund holds a call on the same security as the call written where the exercise price of the call held is (i) equal to or less than the exercise price of the call written, or (ii) greater than the exercise price of the call written, provided the Fund segregates liquid assets in the amount of the difference. Puts may also be written on a covered basis, which means that the Fund would segregate cash or liquid assets with a value at least equal to the exercise price of the put option or will use the other methods described in the next sentence. A put option also is covered if the Fund holds a put option on the same security as the option written where the exercise price of the option held is (i) equal to or higher than the exercise price of the option written, or (ii) less than the exercise price of the option written, provided the Fund segregates liquid assets in the amount of the difference. With respect to yield curve options, a call (or put) option is covered if the Fund holds another call (or put) option on the spread between the same two securities and segregates liquid assets sufficient to cover the Fund’s net liability under the two options. Therefore, the Fund’s liability for such a covered option generally is limited to the difference between the amount of the Fund’s liability under the option written by the Fund less the value of the option held by the Fund. Yield curve options also may be covered in such other manner as may be in accordance with the requirements of the counterparty with which the option is traded and applicable laws and regulations. There are several risks associated with transactions in certain options. For example, there are significant differences between the securities and options markets that could result in an imperfect correlation between these markets, causing a given transaction not to achieve its objectives. In addition, a liquid secondary market for particular options, whether traded over-the- counter or on an exchange, may be absent for reasons which include the following: there may be insufficient trading interest in certain options; restrictions may be imposed by an exchange on opening transactions or closing transactions or both; trading halts, suspensions or other restrictions may be imposed with respect to particular classes or series of options or underlying securities or currencies; unusual or unforeseen circumstances may interrupt normal operations on an exchange; the facilities of an exchange or the OCC may not at all times be adequate to handle current trading volume; or one or more exchanges could, for economic or other reasons, decide or be compelled at some future date to discontinue the trading of options (or a particular class or series of options), in which event the secondary market on that exchange (or

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