The Bulgarian Stock Exchange (BSE) will be closed on December 31, January 1 and 2.
The blue-chip SOFIX index, which tracks the 15 most liquid shares on the BSE, fell 1.14% to 522.10 points after rising 0.82% on Monday.
The broader BGBX40, which tracks the 40 most traded shares, was down 1.03% to 104.61 points after closing 1.00% higher in the previous trading session.
Turnover on the regulated market dropped to 178,600 levs ($111,000/91,000 euro) from 631,000 levs on Monday.
First Investment Bank [BUL:5F4] was the top blue-chip gainer, ending 1.82% higher at 2.80 levs in a volume of 3,148 shares.
Bulgarian industrial group Stara Planina Hold [BUL:5SR] was the biggest SOFIX loser, closing 4.44% lower at 4.30 levs as 2,880 shares changed hands.
The BG-REIT index, which tracks the performance of the real estate investment trusts, added 0.39% to 98.75 points after losing 0.69% in the previous trading session.
The BG TotalReturn30 index, in which companies with a free float of at least 10% have equal weight, was down 1.60% to 407.50 points after ending 0.60% higher on December 29.
(1 euro=1.95583 Bulgarian levs)