Dark

GCBC
Greene County Bancorp Inc
stock NASDAQ

Market Open

Sep 11, 2026 10:40:42 AM EDT

35.36USD+0.369%(+0.13)1,379

29.24Bid 51.16Ask 21.92Spread

Pre-market

Sep 10, 2026 8:08:30 AM EDT

34.96USD-0.766%(-0.27)0

After-hours

Sep 10, 2026 4:00:30 PM EDT

35.23USD-0.508%(-0.18)0

OverviewHistoricalExchange VolumeShortsMore

GCBC Volume Sep 11, 2026 10:44:00 AM EDT

[NF]

Exchange	Day%	Volume	30D%
Nasdaq GSM	48.78	658	40.72
Off Exchange¹	43.29	584	26.60
IEX	4.60	62	2.27
NYSE National	1.56	21	1.77
Nasdaq BX	0.82	11	2.72
Cboe EDGX	0.74	10	5.13
Cboe BZX	0.15	2	5.73
NYSE Arca	0.07	1	8.60
Cboe EDGA	0.00	0	0.20
Texas Stock Exchange LLC	0.00	0	0.05
CHX	0.00	0	0.09
LTSE	0.00	0	0.15
Cboe BYX	0.00	0	1.95
NYSE American	0.00	0	0.22
Nasdaq PHLX	0.00	0	0.24
MEMX	0.00	0	0.63
MIAX Pearl	0.00	0	0.76
NYSE	0.00	0	2.13
24X National	0.00	0	0.02

chartexchange.com

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

GCBC Nutrition Facts

0.05 servings per container

Serving size

27.38K

Calories

1.35K

% Day

% Avg

Nasdaq GSM 658

48.78%

40.72%

Off Exchange¹ 584

43.29%

26.60%

IEX 62

4.60%

2.27%

NYSE National 21

1.56%

1.77%

Nasdaq BX 11

0.82%

2.72%

Cboe EDGX 10

0.74%

5.13%

Cboe BZX 2

0.15%

5.73%

NYSE Arca 1

0.07%

8.60%

Cboe EDGA 0

0.00%

0.20%

Texas Stock Exchange LLC 0

0.00%

0.05%

CHX 0

0.00%

0.09%

LTSE 0

0.00%

0.15%

Cboe BYX 0

0.00%

1.95%

NYSE American 0

0.00%

0.22%

Nasdaq PHLX 0

0.00%

0.24%

MEMX 0

0.00%

0.63%

MIAX Pearl 0

0.00%

0.76%

NYSE 0

0.00%

2.13%

24X National 0

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

GCBC Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 584, which is 43.29% of today's total volume.
Today's Lit volume is 765, which is 56.71%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 26.60%.
The average Lit volume has been 73.40%.

GCBC Volume by Exchange

Nasdaq GSM

Off Exchange

IEX

NYSE National

Nasdaq BX

Cboe EDGX

Cboe BZX

NYSE Arca

NYSE

Cboe BYX

CHX