New York, May 28, 2026, 15:02 ET
- Solid Power was trading close to $3.40 late in the afternoon in New York, up roughly 1.2% during regular trading on the Nasdaq.
- Growth stocks held up and investors stuck to watching the company’s cash runway, SK On work and year-end pilot-line target as the move landed.
Solid Power Inc. traded up Thursday afternoon, tracking gains with some other battery stocks as growth names found buyers. Investors looked again at its recent SK On update.
The share price last traded at $3.40, up 4 cents, after moving between $3.21 and $3.49 during the session. Volume came in close to 4 million shares. That put market cap for the Louisville, Colorado battery developer at around $739 million.
Why it matters now: This happened in a regular U.S. session, not on a market holiday. Nasdaq’s listed trading hours for U.S. stocks are 9:30 a.m. to 4 p.m. Eastern. The next Memorial Day holiday, according to Nasdaq, falls on May 25, 2026.
The stock picked up alongside a stronger risk mood. S&P 500 and Nasdaq climbed Thursday as investors looked at signs of a potential U.S.-Iran peace deal and set that against soft economic figures and inflation worries.
Solid Power is working on solid-state battery tech, which swaps out the liquid or gel electrolyte found in regular lithium-ion cells for a solid version. The company says its technology could help with driving range, battery life, safety, and maybe cost. But the design still hasn’t been proven in the market.
Solid Power’s near-term story is focused more on execution than revenue. The company posted $3.1 million in first-quarter revenue and grant income. It reported an operating loss of $26.3 million and a net loss of $13.0 million, or 6 cents a share, in results out May 5.
Cash acts as the buffer here. The company closed out March holding $435.3 million in total liquidity, including cash and securities available for operations. This comes after it raised $121.3 million in net proceeds through a registered direct offering, selling securities to certain investors.
Chief Executive John Van Scoter said SK On finishing site acceptance testing is an “important moment in our partnership with SK On.” He said cell production lines using its technology now operate on three continents. Van Scoter also said Solid Power is “focused on supporting our customers this year.” ADVFN
SK On’s progress is key since Solid Power isn’t looking to be a big battery-cell producer. The company’s strategy is to sell sulfide-based solid electrolyte material and license its cell design and production knowledge to battery makers.
QuantumScape shares gained around 0.9% to $9.195 in the afternoon, while SES AI traded up 9.8% at $1.395. Peers in the sector were mixed to firmer during the same window.
Brokerage attention is still limited. Needham analyst Chris Pierce kept a buy rating and $7 price target on May 6. H.C. Wainwright’s Amit Dayal started coverage with the same $7 target back in March, per StockAnalysis.
But the risk is clear. Solid Power is a development-stage company and reports losses. Its filings point out there’s no proven market for sulfide-based solid electrolyte yet, and customers still have to show that cells using this tech can outperform conventional lithium-ion batteries at scale.
Delays could have an impact. The company has said it may take partners and customers a few more years of research, validation and automotive qualification before its technology starts to bring in significant revenue. It’s still dealing with engineering issues in yield, reliability and scaling up manufacturing.
