The trade volume of Turkey's spot natural gas market decreased by 35% to 4.08 million Turkish liras on Sunday, Turkey's Energy Exchange Istanbul (EXIST) data showed on Monday.
Total trade on Saturday amounted to 6.29 million liras.
On Sunday's spot market, 1,000 cubic meters of natural gas cost 1,413 liras, while the total natural gas trade volume amounted to 2.89 million cubic meters.
Turkey received 74.56 million cubic meters of pipeline gas on Sunday.
US$1 equals 7.02 Turkish liras at 1118 GMT on Monday.
By By Busranur Begcecanli and Sibel Morrow