ISO - ASP Isotopes
ISO share price on Johannesburg Stock ExchangeASP Isotopes is listed on the Johannesburg Stock Exchange (JSE) since August 27th, 2025. ASP Isotopes is traded on the JSE under the ticker symbol “ISO”. The International Securities Identification Number (ISIN) of JSE:ISO is US00218A1051. ASP Isotopes is currently the 108th most valuable stock on the JSE with a market capitalization of ZAR 11.7 billion, which makes about 0.05% of the Johannesburg Stock Exchange equity market.
ISO •
93.00 ▾ 4.50 (4.62%) 3 days ago
| Last Trading Results |
|---|
| Opening Price | |
| Day’s Low Price | 92.00 |
| Day’s High Price | 95.09 |
| Traded Volume | 19,157 |
| Number of Deals | 105 |
| Gross Turnover | 1.8M |
| Growth & Valuation |
|---|
| Earnings Per Share | |
| Price/Earning Ratio | |
| Dividend Per Share | |
| Dividend Yield | |
| Shares Outstanding | 126M |
| Market Capitalization | 11.7B |
Monetary values are quoted in South African Rand (ZAR) unless otherwise stated
ISO Stock Market Performance
| 1WK | 4WK | 3MO |
|---|
| -33.6% | -6.65% | -43.6% |
| 6MO | 1YR | YTD |
|---|
| -57.1% | -57.1% | -4.62% |
The current share price of ASP Isotopes (ISO) is ZAR 93.00. ISO closed its last trading day (Friday, January 2, 2026) at 93.00 ZAR per share on the Johannesburg Stock Exchange (JSE), recording a 4.6% drop from its previous closing price of 97.50 ZAR. ASP Isotopes began the year with a share price of 97.50 ZAR but has since lost 4.62% off that price valuation, ranking it 393rd on the JSE in terms of year-to-date performance. Shareholders’ worries are compounded by the fact that ISO has lost 7% of the stock’s value from December 1st to date.
ASP Isotopes is the 259th most traded stock on the Johannesburg Stock Exchange over the past three months (Oct 2, 2025 - Jan 2, 2026). ISO has traded a total volume of 1.3 million shares—in 3,582 deals—valued at ZAR 190 million over the period, with an average of 20,577 traded shares per session. A volume high of 219,131 was achieved on December 19th for the same period. The table below details the last 10 trading days of activity of ASP Isotopes on the Johannesburg Stock Exchange.
| Date | Volume | Close | Change | Change% |
|---|
| 2026-01-02 | 19,157 | 93.00 | -4.50 | -4.62% |
| 2025-12-31 | 6,985 | 97.50 | +2.86 | +3.02% |
| 2025-12-30 | 206,446 | 94.64 | -7.20 | -7.07% |
| 2025-12-29 | 99,839 | 101.84 | -33.16 | -24.56% |
| 2025-12-24 | 10,040 | 135.00 | -5.00 | -3.57% |
| 2025-12-23 | 13,611 | 140.00 | +8.00 | +6.06% |
| 2025-12-22 | 196,074 | 132.00 | -168.00 | -56.00% |
| 2025-12-19 | 219,131 | 300.00 | +186.10 | +163.39% |
| 2025-12-18 | 1,902 | 113.90 | -1.00 | -0.87% |
| 2025-12-17 | 5,219 | 114.90 | | |
Profile of ASP Isotopes Inc
ASP Isotopes Inc was founded on September 13, 2021 and operates in the Basic Materials sector, specifically, the Chemicals industry.
Factsheet of ASP Isotopes Inc
- Sector
- Basic Materials
- Industry
- Chemicals
- Address
- 601 Pennsylvania Avenue NW, South Building Suite 900, Washington, DC, 20004, United States
- Telephone
- +1-561-709-3043
ISO Industrial Market Competitors
ASP Isotopes Inc, issuers of the ISO stock on the Johannesburg Stock Exchange, have a number of market competitors who are also engaged in the Basic Materials sector and/or Chemicals industry. The table below presents an overview of the market standing of the top 10 by year-to-date performance.
Index of African Stock Exchanges:
- Botswana Stock Exchange
- BRVM Stock Exchange
- Ghana Stock Exchange
- Johannesburg Stock Exchange
- Lusaka Securities Exchange
- Malawi Stock Exchange
- Nairobi Securities Exchange
- Nigerian Stock Exchange
- Uganda Securities Exchange
- Zimbabwe Stock Exchange