Key highlights
- Deep Yellow Ltd (ASX:DYL) closed at $0.735 on 20 October 2026, down 4.55%, against a 1.31% fall for the S&P/ASX 200 Energy index.
- The shares are down approximately 61.01% over the past year.
- On 16 October 2026 Deep Yellow withdrew its target of a final investment decision on Tumas in the fourth quarter.
Shares in Deep Yellow Ltd (ASX:DYL) closed at $0.735 on 20 October 2026, fell 4.55% on the day, a larger fall than the sector index. The S&P/ASX 200 Energy index (XEJ) closed 1.31% lower at 11,165.60, a fall of 148.40 points, while the broader S&P/ASX 200 (XJO) slipped 0.33% to 8,816.90.
Over the past 12 months the stock lost approximately 61.01%.
Working back from the closing price, a 12-month change of approximately -61.01% implies a share price of about $1.89 a year earlier. On the day, the closing price compares with a previous close of about $0.77, a move of -4.55%, set against a 1.31% fall for the sector index and a 0.33% fall for the broader market.
About Deep Yellow
Deep Yellow Limited is a Perth-based uranium company listed on the ASX, the Namibian Stock Exchange and the OTCQX market. Its flagship project is Tumas in Namibia, which the company describes as a fully permitted greenfield uranium project.
Latest development
The share price data above is not linked here to the project update below. On 16 October 2026 Deep Yellow said that current equity market conditions do not support a final investment decision (FID) on Tumas in the fourth quarter of 2026, and that it had withdrawn that target. The company said it remains committed to completing construction and that spending on current civils and concrete works is fully funded from existing cash reserves.
The company said its Tumas optimisation work and updated value case is nearing completion and will be released in a comprehensive project update. On site, civil works began on schedule, with two concrete contractors working in the counter-current decantation, clarification, leach and beneficiation areas, about 170 tonnes of reinforcing steel installed and concrete pours started on the prepared structures.
Deep Yellow also reported four local Namibian contracts totalling N$42.1 million (A$3.7 million), renewed environmental clearance certificates and 440 inductions completed. Its chief executive said that challenging equity markets continue to constrain funding options for uranium developers and that deferring FID beyond the fourth quarter is prudent while construction momentum is maintained and the funding strategy progresses.
Sector context
Funding is the central issue for uranium developers at present. Deep Yellow’s statement is explicit that weak equity markets are constraining the sector, even as it regards the commodity’s fundamentals as compelling and Namibia as a Tier 1 jurisdiction.
Strategic partnerships and industry investors can offer alternative routes to capital for developers, but each carries trade-offs in ownership and control. Construction at Tumas, including civils and concrete works, continues in the meantime and is funded from cash.
Risks
Without an FID, Tumas’s construction timetable and funding remain uncertain. The company said it is progressing its funding strategy but did not set a new date. The updated value case has not yet been released.
Share price volatility is high, and the stock’s fall of 4.55% on 20 October 2026 compares with a 1.31% fall for the sector index. Uranium prices, equity market conditions and construction costs all affect the outlook.
Share price movements add a separate layer of uncertainty. The stock’s one-day move of -4.55% on 20 October 2026 compares with a 1.31% fall for the sector index, and its 12-month change of approximately -61.01% shows how far the share price can move over a year.
Catalysts to watch
Items to watch include release of the Tumas optimisation and updated value case, any funding announcements, further civil works progress and the company’s next quarterly report.






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