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 | 1,527 | 1,623,162,432,561 | Food production |
| 2 | MNP | Mongolian post | 1,230 | 122,491,226,490 | Postal Service |
| 3 | AARD | Ard financial group | 9,175 | 262,535,863,025 | Financial services |
| 4 | INV | Invescore NBFI JSC | 3,299 | 236,630,401,482 | Financial services |
| 5 | TTL | Tavantolgoi | 7,075 | 372,606,290,000 | Coal mining |
| 6 | ERDN | Erdene Resource Development Corporation | 908 | 265,064,260,145 | Geology & Exploration |
| 7 | GOV | Gobi | 327 | 255,432,235,875 | Textile production |
| 8 | BODI | Bodi Insurance | 142 | 32,364,894,435 | Financial services |
| 9 | ADB | Ard credit | 213 | 59,579,069,033 | Financial services |
| 10 | LEND | LendMN | 41 | 30,412,526,464 | Financial services |
| 11 | MNDL | Mandal Insurance | 97 | 60,507,311,072 | Financial services |
| 12 | AIC | Ard Insurance | 1,321 | 33,025,000,000 | Financial services |
| 13 | SUU | Suu | 405 | 138,905,768,979 | Food production |
| 14 | TUM | Tumen shuvuut | 429 | 85,854,000,000 | Food production |
| 15 | UID | Ulsyn ikh delguur | 2,999 | 105,339,008,289 | Retail |
| 16 | MFC | Monos khuns | 96 | 39,421,358,268 | Food production |
| 17 | MMX | Makhimpex | 3,350 | 12,732,415,350 | Food production |
| 18 | BDS | B D Sec | 1,210 | 16,570,808,430 | Financial services |
| 19 | ADU | Khuvsgul altan duulga | 514 | 8,087,378,800 | Food production |
| 20 | NEH | Darkhan Nekhii | 25 | 27,326,087,140 | Leather production |
