Energy Recovery Inc.

NASDAQ: ERII · Real-Time Price · USD
14.16
-0.33 (-2.28%)
At close: Aug 15, 2025, 3:59 PM
14.20
0.25%
After-hours: Aug 15, 2025, 05:34 PM EDT

ERII Open Interest Chart

Open interest breakdown by expiration date for ERII options contracts. Displaying data for 3 active expiration dates with future expiry.
Total open interest across all expiries is 2,484 contracts, with 1,966 call contracts and 518 put contracts. The overall put-call open interest ratio is 0.26, indicating a bullish bias in positioning. Options expire from Sep 19, 2025 to Feb 20, 2026.

Open Interest Table

Expiry Date Call OI Put OI P/C OI
Sep 19, 2025 1,122 56 0.05
Nov 21, 2025 618 460 0.74
Feb 20, 2026 226 2 0.01