What happened
Stablecoin Development Corp. (NYSEAMERICAN: SDEV) saw its stock surge more than 104% during regular trading on September 29, 2026, climbing from a previous close of $7.48 to above $10 per share. The stock continued climbing in pre-market trading, gaining an additional 34% as shares traded above $10.04. Trading volume reached approximately 10.8 million shares during the pre-market session, compared to the stock's average daily volume of roughly 275,000 shares, representing nearly 40 times normal volume.
Why the stock moved
The company filed an 8-K with the Securities and Exchange Commission on September 29, 2026, at 8:17 PM ET. That filing was the most recent SEC submission from SDEV. However, the specific content or catalyst contained within that 8-K has not been detailed in available sources. Benzinga reported on the stock movement on September 29, noting the surge but did not identify a named partnership, contract, earnings announcement, or other specific fundamental catalyst driving the price action.
The company's profile shows it operates in the healthcare sector, specializing in eye and skin health products including the Avenova and NeutroPhase brands. SDEV has only 4 employees and is headquartered in Emeryville, California. The company was formerly known as NovaBay Pharmaceuticals before changing its name.
The numbers
- Pre-market price: $10.04 per share
- Previous regular close: $7.48 per share
- Pre-market session gain: +34.22%
- Regular-hours gain: +104.37%
- Pre-market volume: 10,799,288 shares
- Average daily volume: approximately 275,285 shares
- Market capitalization: approximately $272 million
- Shares outstanding: 27.1 million
What to watch
The company has no upcoming earnings date scheduled and no analyst coverage listed. Investors should monitor the SEC EDGAR system for the full text of the September 29, 2026 8-K filing, which may disclose material events or agreements not yet reported in press releases. Given the company's small size, the extreme volume relative to average trading activity, and the lack of a confirmed fundamental catalyst, the sustainability of this price move remains uncertain.