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 | 1,569 | 1,667,807,371,767 | Food production |
| 2 | MNP | Mongolian post | 1,229 | 122,391,640,127 | Postal Service |
| 3 | AARD | Ard financial group | 9,140 | 261,534,363,820 | Financial services |
| 4 | INV | Invescore NBFI JSC | 3,300 | 236,702,129,400 | Financial services |
| 5 | TTL | Tavantolgoi | 7,195 | 378,926,114,000 | Coal mining |
| 6 | ERDN | Erdene Resource Development Corporation | 913 | 266,579,163,250 | Geology & Exploration |
| 7 | GOV | Gobi | 325 | 253,497,556,875 | Textile production |
| 8 | BODI | Bodi Insurance | 143 | 32,584,038,875 | Financial services |
| 9 | ADB | Ard credit | 221 | 61,780,727,826 | Financial services |
| 10 | LEND | LendMN | 40 | 29,693,186,043 | Financial services |
| 11 | MNDL | Mandal Insurance | 95 | 59,414,783,272 | Financial services |
| 12 | AIC | Ard Insurance | 1,319 | 32,975,000,000 | Financial services |
| 13 | SUU | Suu | 401 | 137,536,951,942 | Food production |
| 14 | TUM | Tumen shuvuut | 478 | 95,668,000,000 | Food production |
| 15 | UID | Ulsyn ikh delguur | 3,000 | 105,374,133,000 | Retail |
| 16 | MFC | Monos khuns | 98 | 40,075,518,953 | Food production |
| 17 | MMX | Makhimpex | 3,540 | 13,454,552,340 | Food production |
| 18 | BDS | B D Sec | 1,160 | 15,886,064,280 | Financial services |
| 19 | ADU | Khuvsgul altan duulga | 559 | 8,795,103,116 | Food production |
| 20 | NEH | Darkhan Nekhii | 25 | 27,040,295,400 | Leather production |
