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ERII
Energy Recovery, Inc.
stock NASDAQ

At Close

Aug 7, 2026 3:59:58 PM EDT

8.67USD-0.687%(-0.06)976,276

0.00Bid 0.00Ask 0.00Spread

Pre-market

Aug 6, 2026 9:28:30 AM EDT

8.33USD-4.582%(-0.40)0

After-hours

Aug 7, 2026 4:44:30 PM EDT

8.85USD+2.076%(+0.18)140,299

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Aug 21, 2026 Sep 18, 2026 Nov 20, 2026 Feb 19, 2027

ITM/OTM for Feb 19, 2027View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
56	327	6	5,020

ERII Feb 19, 2027 Exp. - Volume by Strike

Puts

Calls

ERII Feb 19, 2027 Exp. - Open Interest by Strike

Puts

Calls

ERII Feb 19, 2027 Exp. - Max Pain @ $7.50

Puts

Calls

ERII Feb 19, 2027 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
17.50 C	0.23	-8.00%	2	46	07-30	ERII270219C00017500
15.00 C	0.45	-10.00%	4	10	08-05	ERII270219C00015000
12.50 C	0.60	0.00%	15	31	08-06	ERII270219C00012500
10.00 C	1.20	0.00%	6	240	07-31	ERII270219C00010000
7.50 C	2.10	-16.00%	1	4	08-06	ERII270219C00007500
5.00 C	4.00	-2.44%	2	35	07-13	ERII270219C00005000
2.50 C	6.70	+6.35%	10	17	08-05	ERII270219C00002500

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
17.50 P	0	0%	0			ERII270219P00017500
15.00 P	0	0%	0			ERII270219P00015000
12.50 P	0	0%	0			ERII270219P00012500
10.00 P	2.65	+20.45%	1	6	08-06	ERII270219P00010000
7.50 P	0.92	+17.95%	1	5,020	08-06	ERII270219P00007500
5.00 P	0	0%	0			ERII270219P00005000
2.50 P	0	0%	0			ERII270219P00002500

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