The trade volume of Turkey's spot natural gas market decreased by 40.22% to 2.57 million Turkish liras on Sunday, Turkey's Energy Exchange Istanbul (EXIST) data showed on Monday.
Total trade on Saturday amounted to 4.3 million liras.
On Sunday's spot market, 1,000 cubic meters of natural gas cost 1,449 liras, while the total natural gas trade volume amounted to 1.8 million cubic meters.
Turkey received 108.77 million cubic meters of pipeline gas on Sunday.
US$1 equals 6.77 Turkish liras on 1130 GMT on Monday.
By Gokce Topbas and Sibel Morrow