As it has been notified through the announcement on the amendment of Circular on VIOP market operations, which is dated September 10^th, 2015, maximum order size for the Main Board and the minimum order size for the Negotiated Deals Boards are decreased from 2000 to 100 contracts for the Base-Load Electricity Futures contracts in line with the demand from the market participants.

In addition to that, number of contract months of Base-Load Electricity futures contracts traded at a time will be increased to 16 beginning from September 28^th, 2015, which will include the current contract month and the nearest 15 contract months. In accordance with that, as of September 28^th, 2015 all contract months until December 2016 (including December 2016) of Base-Load Electricity futures contracts will be open to trade. Information on the new contracts will be available on Contracts file on September 23rd, 2015.

For the Contracts file:
http://www.borsaistanbul.com/en/data/data/derivatives-market-viop-data