Energy Recovery Inc. (ERII)
NASDAQ: ERII
· Real-Time Price · USD
15.77
-0.10 (-0.63%)
At close: Oct 03, 2025, 3:59 PM
14.56
-7.67%
After-hours: Oct 03, 2025, 07:26 PM EDT
ERII Open Interest Chart
Open interest breakdown by expiration date for ERII
options contracts. Displaying data for 4
active expiration dates with future expiry.
Total open interest across all expiries is
2,641
contracts, with 1,806
call contracts and
835 put contracts.
Open Interest Table
| Expiry Date | Call OI | Put OI | P/C OI |
|---|---|---|---|
| Oct 17, 2025 | 389 | 243 | 0.62 |
| Nov 21, 2025 | 819 | 501 | 0.61 |
| Feb 20, 2026 | 428 | 83 | 0.19 |
| May 15, 2026 | 170 | 8 | 0.05 |