About 640 million shares valued at $43.52 million changed hands for the day.
Trading at TSE and Iran Fara Bourse starts on Saturday and ends on Wednesday.
Esfahan Cement Company incurred the biggest loss among all TSE-listed companies, as it went down 6.52% to 14,957 rials per share, according to Financial Tribune.
Fars Construction and Development Company was the biggest riser, going up 4.99% to 2,969 rials per share.
Bandar Abbas Oil Refinery weighed the most on TEDPIX, followed by Esfahan Oil Refinery and Pakshoo Industrial Group.
Islamic Republic of Iran Shipping Lines Company gave the biggest boost to the benchmark, followed by Shazand Petrochemical Group and Mobile Telecommunications Company of Iran.
The Price Index lost 31.90 points or 0.12% to close at 26,339.5. The First Market Index gave up 125.40 points or 0.22% to post 56,913.7.
The Second Market Index won 93.20 points or 0.05% to reach 177,406.2. The Industry Index was down 81.70 points or 0.12% to register 70,174. The Free Float Index dropped 213.03 points or 0.11% to close at 89,598.80.
The TSE 30 inched down 3.70 points or 0.11% to settle at 3,248.5 while the TSE 50 Index shrank by 1.10 points or 0.03% to finish at 3,163.6.
IFX Down 0.53%
Iran Fara Bourse’s main index IFX lost 4.96 points or 0.53% to end Monday trade at 930.59.
Close to 342 million securities valued at $35.55 million were traded at the over-the-counter exchange for the day.
Esfahan Steel Company witnessed the highest number of traded shares and trade value, as 46.7 million of its shares valued at $934,542 were traded.
Alvand Housing Investment, Kimia Zanjan Gostaran Mining Company and Tuka Refractories registered the highest value increase.
Marjankar Company, Atieh Dadeh Pardaz and Sina Port and Marine Company suffered the biggest decline.
Middle East Mines and Mining Industries Development Holding Company, Pasargad Oil Refinery and Pasargad Insurance had the most negative impact on the IFB benchmark.