Energy Recovery Inc. (ERII)
NASDAQ: ERII
· Real-Time Price · USD
14.23
0.05 (0.35%)
At close: Aug 18, 2025, 3:59 PM
14.25
0.11%
After-hours: Aug 18, 2025, 04:10 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
2,554
contracts, with 2,036
call contracts and
518 put contracts. The
overall put-call open interest ratio is
0.25, 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 | 1,121 | 56 | 0.05 |
| Oct 17, 2025 | 20 | 0 | 0.00 |
| Nov 21, 2025 | 668 | 460 | 0.69 |
| Feb 20, 2026 | 227 | 2 | 0.01 |