ERII $20.345 -3.81% (-0.805) unusual options activity expiring within a month

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Bullish Energy Recovery, Inc. call option contracts are ones that are bought on or above the market's asking price OR put option contracts that are sold on or less than the market's bid price - expecting a move to the upside.
The opposite applies to bearish trades: put options bought on or above the ask OR call options sold at or below the bid price - expecting a move to the downside.



Energy Recovery, Inc. engages in the development, manufacture, and sale of energy recovery devices. It operates through the Water; and Oil & Gas segments. The Water segment deals with reverse osmosis water desalination, circulation pumps, pressure exchanger, and turbochargers. The Oil & Gas segments manages hydraulic fracturing and gas processing plants. The company was founded in April 1992 and is headquartered in San Leandro, CA.

Weighted Average Of Option Greeks


How To Trade ERII Unusual Options Activity There are many ways to interpret UOA. Some common strategies include looking at the strike prices and comparing them to the current stock price for Energy Recovery, Inc.. A bullish signal can be intrerpreted if you notice a large amount of contracts traded for strikes that are considered out of the money and expiring in the near future. You can then compare the overall volume for that strike to the open interest at the beginning of the day. A larger volume of option contracts traded compared to the open interest would mean this is a new position that is being opened.


Trade History