As announced by the letter no. 2015/84 dated September 10, 2015, the methods of calculating the expiry day settlement prices for some FX Futures and Options contracts traded on Borsa İstanbul VIOP were changed to the average of selling and buying rate announced by the Central Bank of the Republic of Turkey at 15:30 of the last trading day instead of the current method which takes the selling rate announced by the Central Bank of the Republic of Turkey at 15:30 as basis. It should be noted that the rule amendment will be effective as of January 2016 contract month. The related announcement is available at: www.borsaistanbul.com/en/news/2015/09/14/changes-to-market-operation-rules-for-borsa-istanbul-derivatives-market-viop-announced.
Please do not hesitate to contact us from viop@borsaistanbul.com for further questions.
For the circular please visit the following link:
http://www.borsaistanbul.com/data/bylaws/Circular_on_VIOP_Market_Operations.pdf