What Changed
Price Move History
- Daily moves over 5%
- 71 252 sessions, October 30, 2025 to October 30, 2026
- Largest daily move
- +34.7% close of May 6, 2026
- 1-year change
- -57% closing prices, October 30, 2025 to October 30, 2026
- 1-month change
- -28.8% closing prices, September 30, 2026 to October 30, 2026
Company Description
Zentek (OTC: ZTEKF) is classified in the specialty chemicals industry within the Basic Materials sector and carries a market capitalization of $47.0M.
ZTEKF has declined 57.0% over the past year. The last closing price was $0.3702.
For FY2025, Zentek reported revenue of $607K with net income of -$7.0M and diluted earnings per share of -$0.07.
This page collects what Stock Titan holds for ZTEKF, including price data, latest news, SEC filings, financial highlights, upcoming events, and short interest trends.
Stock Performance
Zentek (ZTEKF) closed at $0.3702 on October 30, 2026. Over the past 12 months, the price has lost 57.0%.
ZTEKF Metrics & Rankings
Price returns through October 30, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
Zentek has 7 recent news articles, with the latest published 6 days ago. Of the recent coverage, 2 articles coincided with positive price movement and 5 with negative movement. Key topics include management. View all ZTEKF news →
SEC Filings
Zentek has filed 8 recent SEC filings, including 8 Form 6-K. The most recent filing was submitted on . SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all ZTEKF SEC filings →
Financial Highlights
Zentek generated $607K in revenue in FY2025, retaining a 26.1% gross margin, operating income reached -$6.7M, and net income was -$7.0M. Diluted earnings per share stood at -$0.07. The company generated -$4.4M in operating cash flow. The current ratio was 1.25, measuring current assets divided by current liabilities.
Upcoming Events
Nasdaq compliance deadline
Standing offer expiry
Standing offer expiry
Zentek has 3 upcoming scheduled events. The next event, "Nasdaq compliance deadline", is scheduled for December 24, 2026 (in 53 days). 2 of them are financing or capital events, such as a dividend or a debt maturity. Investors can track these dates to stay informed about potential catalysts that may affect the ZTEKF stock price.
Short Interest History
Short interest in Zentek (ZTEKF) currently stands at 208.0 thousand shares, down 7.3% from the previous reporting period, representing 0.2% of the shares outstanding. Since September 2026, short interest has decreased by 17.7%.
Days to Cover History
Days to cover for Zentek (ZTEKF) currently stands at 4.1 days, down 71.8% from the previous period. The ratio is the reported short interest divided by the average daily trading volume. Since September 2026, the figure has increased by 214.7%. Across the settlements charted above, it has ranged from 1.3 to 14.4 days.
ZTEKF Company Profile & Sector Positioning
Zentek (ZTEKF) operates in the Specialty Chemicals industry within the broader Basic Materials sector and is listed on the OTC.
Investors comparing ZTEKF often look at related companies in the same sector, including BLUE BIOFUELS INC (BIOF), BIOLARGO INC (BLGO), FCL-X FIRE & SAFETY INC (FCLIF), NOCOPI TECHS INC (NNUP), and CALIFORNIA NANOTECHS CORP (CANOF). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate ZTEKF's relative position within its industry.