A stock index consisting of 20 stocks listed on the TSE Standard Market, selected based on market capitalization and liquidity.
Regular replacement occurs on the last business day of October every year.
1551 TSE STANDARD TOP20 List of constituent stocks
| 1 | 2702 | McDonald’s Holdings Japan |
| 2 | 2782 | Celia |
| 3 | 3222 | United Supermarket Holdings |
| 4 | 3254 | Pressance Corporation |
| 5 | 4581 | Taisho Pharmaceutical Holdings |
| 6 | 4716 | Japan Oracle |
| 7 | 4966 | Uemura Industries |
| 8 | 6324 | Harmonic Drive Systems |
| 9 | 6425 | Universal Entertainment |
| 10 | 6890 | Ferrotec Holdings |
| 11 | 6960 | Fukuda Denshi |
| 12 | 7105 | Mitsubishi Logis Next |
| 13 | 7163 | Sumishin SBI Net Bank |
| 14 | 7412 | Atom |
| 15 | 7451 | Mitsubishi Foods |
| 16 | 7564 | Workman |
| 17 | 7716 | Nakanishi |
| 18 | 8066 | Mitani Corporation |
| 19 | 8572 | ACOM |
| 20 | 9436 | Okinawa Cellular Telephone |
