York Space Systems Inc. (YSS) stock
Close on Nov 11, 2026Market cap $994.47MP/E –Yield –
Key statistics
Valuation at the latest close; fundamentals over fiscal , balances at Jun 30, 2026
Valuation
- Market cap
- $994.47M
- P/E ratio
- –
- Price to sales
- –
- Price to book
- 0.57
- Dividend yield
- –
- Free cash flow yield
- –
Fundamentals
- Book value per share
- $13.63
- Diluted shares
- 128M
Trading
- Previous close
- $7.01
- Open
- $7.19
- Day's range
- $7.06 – $7.35
- Volume
- 1,008,187
- Average volume (20 days)
- 1,675,537
- Index membership
- Russell 2000 (since Mar 2026)
- RSI (14 days)
- 54.5
- Volatility (1 year)
- 114.9%
- Relative volume
- 0.39×
Index membership is inferred from the holdings of funds that track each index (IWM), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 11, 2026. The S&P 500 is measured by the SPY fund.
| Period | YSS | S&P 500 | Difference | YSS per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | +1.8% | -2.4% | +4.2 pts | ||
| 3 months | -31.7% | -1.2% | −30.5 pts |
Two years at a glance
Fiscal years 2024 to 2025, USD
Press releases
Releases York Space Systems filed with the SEC as exhibits to Form 8-K or 6-K
About York Space Systems
Guided Missiles & Space Vehicles & Parts
York Space Systems is an American aerospace and defense contractor that designs, manufactures, integrates, and operates spacecraft and satellite systems. The company provides modular satellite platforms, including its S-CLASS, LX-CLASS, and M-CLASS spacecraft, alongside hardware components such as flight computers, attitude control systems, and power distribution units. It also delivers proprietary flight and ground software for mission planning, autonomous constellation operations, and communications. Its solutions serve national security, government, and commercial clients, such as the United States Department of Defense and NASA.
Company profile, executives and historyYork Space Systems stock: common questions
What is York Space Systems's stock price?
YSS closed at $7.24 on Nov 11, 2026, up 3.28% on the day.
What is York Space Systems's market cap?
York Space Systems was worth $994.47M at the close on Nov 11, 2026: the share price times the diluted shares outstanding.
Does York Space Systems pay a dividend?
No. York Space Systems has not paid a cash dividend over the last twelve months.
How many YSS shares are sold short?
12M shares were sold short at the latest FINRA report, 13.13% of the float, or 7.2 days of average trading volume.
Who are York Space Systems's competitors?
Companies most similar to York Space Systems by business, industry and size include RDW, KTOS, VOYG, MNTS, RKLB.
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