It said the delay was necessary "to adequately prepare the market".
The first commodity exchange of East Africa was officially launched on July 3 in Kigali, Rwanda.
The Kenya stock exchange is about to to start trading derivatives and real estate investment funds.
A currency and commodities exchange in Mauritius will be launched on October 15, and will start trading on October 18.
A currency and commodities exchange scheduled to launch in Mauritius this March will be the first on the continent for international multi-asset derivatives.