Dark

OPTT
Ocean Power Technologies, Inc.
stock NYSEAMERICAN

At Close

Jul 31, 2026 3:59:50 PM EDT

0.1800USD+13.594%(+0.0219)17,369,521

0.00Bid 0.00Ask 0.0000Spread

Pre-market

Jul 31, 2026 9:29:30 AM EDT

0.1820USD+12.973%(+0.0209)289,219

After-hours

Jul 31, 2026 4:59:30 PM EDT

0.1785USD-2.458%(-0.0045)235,369

OverviewOptionsHistoricalExchange VolumeShortsMore

OPTT Volume Jul 31, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	81.55	14,164,621	71.68
NYSE Arca	4.99	866,211	7.59
MEMX	3.40	591,212	4.13
Nasdaq GSM	2.73	474,858	2.49
NYSE American	1.92	333,321	5.94
Cboe EDGA	1.79	310,112	2.42
Cboe EDGX	1.20	207,869	2.09
MIAX Pearl	0.81	140,572	1.18
Cboe BZX	0.66	115,131	0.70
IEX	0.36	62,168	0.79
NYSE	0.18	31,380	0.21
Nasdaq BX	0.13	21,883	0.13
Cboe BYX	0.11	19,299	0.34
NYSE National	0.09	15,043	0.22
Nasdaq PHLX	0.04	7,600	0.06
24X National	0.04	6,300	0.02
LTSE	0.01	1,100	0.00
CHX	0.00	800	0.02

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

OPTT Nutrition Facts

3.54 servings per container

Serving size

4.91M

Calories

17.37M

% Day

% Avg

Off Exchange¹ 14M

81.55%

71.68%

NYSE Arca 866K

4.99%

7.59%

MEMX 591K

3.40%

4.13%

Nasdaq GSM 475K

2.73%

2.49%

NYSE American 333K

1.92%

5.94%

Cboe EDGA 310K

1.79%

2.42%

Cboe EDGX 208K

1.20%

2.09%

MIAX Pearl 141K

0.81%

1.18%

Cboe BZX 115K

0.66%

0.70%

IEX 62K

0.36%

0.79%

NYSE 31K

0.18%

0.21%

Nasdaq BX 22K

0.13%

Cboe BYX 19K

0.11%

0.34%

NYSE National 15K

0.09%

0.22%

Nasdaq PHLX 8K

0.04%

0.06%

24X National 6K

0.04%

0.02%

LTSE 1K

0.01%

0.00%

CHX 800

0.00%

0.02%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

OPTT Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 14,164,621, which is 81.55% of today's total volume.
Today's Lit volume is 3,204,859, which is 18.45%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 71.68%.
The average Lit volume has been 28.32%.

OPTT Volume by Exchange

Off Exchange

NYSE Arca

MEMX

Nasdaq GSM

NYSE American

Cboe EDGA

Cboe EDGX

MIAX Pearl

Cboe BZX

IEX

NYSE