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 | 1,139 | 1,210,728,232,277 | Food production |
| 2 | MNP | Mongolian post | 1,100 | 109,544,999,300 | Postal Service |
| 3 | AARD | Ard financial group | 7,255 | 207,596,478,065 | Financial services |
| 4 | INV | Invescore NBFI JSC | 3,150 | 225,942,941,700 | Financial services |
| 5 | TTL | Tavantolgoi | 7,095 | 373,659,594,000 | Coal mining |
| 6 | ERDN | Erdene Resource Development Corporation | 915 | 245,115,171,195 | Geology & Exploration |
| 7 | GOV | Gobi | 249 | 194,333,824,875 | Textile production |
| 8 | BODI | Bodi Insurance | 120 | 28,238,366,160 | Financial services |
| 9 | ADB | Ard credit | 225 | 61,594,870,697 | Financial services |
| 10 | LEND | LendMN | 47 | 35,053,287,417 | Financial services |
| 11 | MNDL | Mandal Insurance | 94 | 58,984,015,168 | Financial services |
| 12 | AIC | Ard Insurance | 1,258 | 31,450,000,000 | Financial services |
| 13 | SUU | Suu | 294 | 100,863,633,335 | Food production |
| 14 | TUM | Tumen shuvuut | 251 | 50,102,000,000 | Food production |
| 15 | UID | Ulsyn ikh delguur | 2,500 | 87,811,777,500 | Retail |
| 16 | MFC | Monos khuns | 65 | 26,763,349,017 | Food production |
| 17 | MMX | Makhimpex | 2,800 | 10,642,018,800 | Food production |
| 18 | BDS | B D Sec | 1,199 | 16,420,164,717 | Financial services |
| 19 | ADU | Khuvsgul altan duulga | 650 | 10,227,230,000 | Food production |
| 20 | NEH | Darkhan Nekhii | 20 | 22,082,907,910 | Leather production |
