Tons Lightology (4972) — Net Asset Quality Index
Tons Lightology (4972) has a Net Asset Quality Index of 79.1% as of March 2026. This metric measures the proportion of total assets financed by shareholders' equity — total assets of NT$1.83 Billion minus total liabilities of NT$382.93 Million yields net assets of NT$1.45 Billion. A higher index indicates a stronger, lower-leverage balance sheet. Read Tons Lightology debt and liabilities for a breakdown of total debt and financial obligations.
Quality Index
Net Assets
Total Assets
Total Liabilities
Tons Lightology Net Asset Quality Index Over Time (2017–2025)
This chart shows how Tons Lightology's Net Asset Quality Index has evolved across 9 annual periods from 2017 to 2025. As of March 2026, the index stands at 79.1%, representing net assets of NT$1.45 Billion against total assets of NT$1.83 Billion TWD. For live market cap and overall valuation, see 4972 market cap overview.
Annual Net Asset Quality Index for Tons Lightology (2017–2025)
The table below presents the year-by-year Net Asset Quality Index for Tons Lightology from 2017 to 2025, covering 9 annual filings. Each row shows total assets, total liabilities, net assets, the quality index percentage, and the change in percentage points compared to the prior year. Check Tons Lightology (4972) strategic investment index to assess the company's strategic physical and investment asset allocation.
| Year | Quality Index | Net Assets (TWD) | Total Assets | Total Liabilities | Change (pp) |
|---|---|---|---|---|---|
| 2025 | 79.2% | NT$1.44 Billion | NT$1.82 Billion | NT$378.63 Million | ▲ +4.8 pp |
| 2024 | 74.4% | NT$1.62 Billion | NT$2.18 Billion | NT$557.88 Million | ▲ +0.9 pp |
| 2023 | 73.5% | NT$1.61 Billion | NT$2.19 Billion | NT$581.07 Million | ▼ -12.6 pp |
| 2022 | 86.0% | NT$1.13 Billion | NT$1.32 Billion | NT$184.17 Million | ▲ +5.2 pp |
| 2021 | 80.8% | NT$1.15 Billion | NT$1.43 Billion | NT$273.57 Million | ▼ -1.7 pp |
| 2020 | 82.6% | NT$1.13 Billion | NT$1.37 Billion | NT$239.52 Million | ▼ -0.6 pp |
| 2019 | 83.1% | NT$1.14 Billion | NT$1.37 Billion | NT$231.93 Million | ▲ +1.8 pp |
| 2018 | 81.3% | NT$1.19 Billion | NT$1.47 Billion | NT$274.63 Million | ▼ -0.7 pp |
| 2017 | 82.0% | NT$1.18 Billion | NT$1.44 Billion | NT$259.29 Million | — |