California Water Service Group
California Water Service Group (CWT) Options Open Interest
CWT options open interest is 150 contracts. The 2-week average daily volume is 13 contracts across the chain.
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Monitoring CWT open interest helps you see where real money is positioned on California Water Service Group's options and which strikes are attracting the most commitment from traders. California Water Service Group's open interest reflects the total number of outstanding contracts that have not been closed or exercised, making it a powerful gauge of liquidity, conviction, and potential support and resistance zones. Use our scanner to monitor CWT options open interest in real time and find the strikes that matter.
Open interest is distinct from volume: volume counts how many contracts are traded in a session, while open interest counts how many remain open at the end of the day. Rising CWT options open interest alongside rising volume suggests new positions are being built, while falling open interest signals positions are being closed. Heavy open interest at specific strikes often acts as a magnet near expiration and can hint at where dealers and large traders expect California Water Service Group to settle.
California Water Service Group, through its subsidiaries, provides water utility and other related services in California, Washington, New Mexico, Hawaii, and Texas. The company is involved in the production, purchase, storage, treatment, testing, distribution, and sale of water for domestic, industrial, public, and irrigation uses, as well as for fire protection. It offers its services to approximately 494,500 customer connections in 100 California communities; approximately 6,200 water and wastewater customer connections on the islands of Maui and Hawaii; approximately 36,400 customer connections in the Tacoma, Olympia, Graham, Spanaway, Puyallup, and Gig Harbor areas; and approximately 8,600 water and wastewater customer connections in the Belen, Los Lunas, Indian Hills, and Elephant Butte areas in New Mexico.
The company also engages in the provision of non-regulated water-related services, including operating of municipally owned water systems, privately owned water, and recycled water distribution systems; water system operation, meter reading, and billing services to private companies and municipalities; leasing of communication antenna sites on its properties to telecommunication companies; and billing of optional third-party insurance programs to its residential customers, as well as provides lab services. In addition, it offers wastewater collection and treatment services. The company was founded in 1926 and is headquartered in San Jose, California.
Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where CWT open interest is concentrated. Our scanner maps California Water Service Group's open interest across every strike and expiry, flags unusual buildups, and lets you drill into the contracts that institutional money is actually holding. Trade California Water Service Group's options open interest as the signal it is, not as an afterthought.
| 50.00 | — | 3.80 | 3.80 | 101% | +0.4693 | 30 |
| 25.00 | 20.00 | 24.90 | 22.45 | 126% | +0.9842 | 0 |
| 30.00 | 15.00 | 19.90 | 17.45 | 92% | +0.9811 | 0 |
| 35.00 | 10.00 | 14.70 | 12.35 | 12% | +1.0000 | 0 |
| 40.00 | 5.10 | 9.90 | 7.50 | 42% | +0.9510 | 0 |
| 55.00 | 5.30 | 10.00 | 7.65 | 34% | -0.9509 | 1 |
| 25.00 | — | 4.80 | 4.80 | 382% | -0.1263 | 0 |
| 30.00 | — | 4.80 | 4.80 | 304% | -0.1640 | 0 |
| 35.00 | — | 4.80 | 4.80 | 239% | -0.2111 | 0 |
| 40.00 | — | 0.25 | 0.25 | 51% | -0.0844 | 0 |
As of September 23, 2026
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