МХБ-ийн “Үнэт цаасны үнийн индекс тооцоолох журам”-ын дагуу бүртгэлтэй компаниудыг зах зээлийн үнэлгээ, арилжааны өдрийн дундаж гүйлгээ, арилжаанд орсон өдрийн тоо, төвлөрлийн байдал зэрэг үзүүлэлтүүдээр үнэлж, ТОП-20 индексийн багцыг бүрдүүлэх ба багцыг жил бүр шинэчилдэг.
2021 онд дараах үнэт цааснууд ТОП-20 индексийн багцыг бүрдүүлж байна. Үүнд:
| № | Symbol | Company name | Closing price | Market Cap | Business description |
|---|---|---|---|---|---|
| 1 | APU | APU | 716 | 760,887,950,787 | Food production |
| 2 | MNP | Mongolian post | 1,630 | 162,325,771,690 | Postal Service |
| 3 | AARD | Ard financial group | 12,500 | 357,678,287,500 | Financial services |
| 4 | INV | Invescore NBFI JSC | 3,189 | 228,740,330,502 | Financial services |
| 5 | TTL | Tavantolgoi | 7,195 | 378,926,114,000 | Coal mining |
| 6 | ERDN | Erdene Resource Development Corporation | 856 | 229,261,711,270 | Geology & Exploration |
| 7 | GOV | Gobi | 236 | 184,098,748,875 | Textile production |
| 8 | BODI | Bodi Insurance | 125 | 29,509,092,637 | Financial services |
| 9 | ADB | Ard credit | 315 | 86,119,564,950 | Financial services |
| 10 | LEND | LendMN | 43 | 32,385,674,050 | Financial services |
| 11 | MNDL | Mandal Insurance | 73 | 45,598,988,864 | Financial services |
| 12 | AIC | Ard Insurance | 1,702 | 42,550,000,000 | Financial services |
| 13 | SUU | Suu | 210 | 72,005,265,129 | Food production |
| 14 | TUM | Tumen shuvuut | 212 | 42,408,000,000 | Food production |
| 15 | UID | Ulsyn ikh delguur | 1,620 | 56,902,031,820 | Retail |
| 16 | MFC | Monos khuns | 68 | 27,842,714,147 | Food production |
| 17 | MMX | Makhimpex | 2,663 | 10,121,320,023 | Food production |
| 18 | BDS | B D Sec | 1,070 | 14,653,524,810 | Financial services |
| 19 | ADU | Khuvsgul altan duulga | 613 | 9,644,749,916 | Food production |
| 20 | NEH | Darkhan Nekhii | 28 | 31,008,403,790 | Leather production |
