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.
2020 онд дараах үнэт цааснууд ТОП-20 индексийн багцыг бүрдүүлж байна. Үүнд:
| № | Symbol | Company name | Closing price | Market Cap | Business description |
|---|---|---|---|---|---|
| 1 | APU | APU | 617 | 656,919,260,547 | Food production |
| 2 | MNP | Mongolian post | 730 | 72,688,086,354 | Postal Service |
| 3 | AARD | Ard financial group | 3,198 | 91,508,413,074 | Financial services |
| 4 | INV | Invescore NBFI JSC | 2,950 | 211,597,358,100 | Financial services |
| 5 | TTL | Tavantolgoi | 7,045 | 371,026,334,000 | Coal mining |
| 6 | ERDN | Erdene Resource Development Corporation | 950 | 254,491,161,350 | Geology & Exploration |
| 7 | GOV | Gobi | 220 | 171,406,318,500 | Textile production |
| 8 | BODI | Bodi Insurance | 125 | 29,414,964,750 | Financial services |
| 9 | ADB | Ard credit | 84 | 22,976,342,112 | Financial services |
| 10 | LEND | LendMN | 32 | 24,893,905,602 | Financial services |
| 11 | MNDL | Mandal Insurance | 48 | 29,953,990,768 | Financial services |
| 12 | AIC | Ard Insurance | 849 | 21,236,000,000 | Financial services |
| 13 | SUU | Suu | 203 | 69,838,816,049 | Food production |
| 14 | TUM | Tumen shuvuut | 174 | 34,834,000,000 | Food production |
| 15 | UID | Ulsyn ikh delguur | 1,359 | 47,734,482,249 | Retail |
| 16 | MFC | Monos khuns | 67 | 27,225,350,001 | Food production |
| 17 | MMX | Makhimpex | 2,849 | 10,828,254,129 | Food production |
| 18 | BDS | B D Sec | 850 | 11,640,650,550 | Financial services |
| 19 | ADU | Khuvsgul altan duulga | 634 | 9,970,762,540 | Food production |
| 20 | NEH | Darkhan Nekhii | 15 | 16,416,363,150 | Leather production |
