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GERN
Geron Corp
stock NASDAQ

At Close

Aug 20, 2026 3:59:51 PM EDT

1.55USD-2.201%(-0.04)5,983,933

1.33Bid 1.82Ask 0.49Spread

Pre-market

Aug 20, 2026 9:16:30 AM EDT

1.56USD-2.013%(-0.03)5,000

After-hours

Aug 20, 2026 4:49:30 PM EDT

1.55USD-0.322%(0.00)865,115

OverviewOptionsHistoricalExchange VolumeShortsMore

GERN Volume Aug 20, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	47.29	2,829,279	50.72
Nasdaq GSM	28.16	1,684,734	23.87
NYSE Arca	7.02	420,156	6.02
IEX	3.69	220,992	4.47
Cboe BYX	3.33	199,230	1.86
NYSE	3.29	197,078	3.43
Cboe BZX	2.98	178,256	4.18
Cboe EDGX	1.97	117,788	2.51
NYSE National	1.00	59,657	0.63
Cboe EDGA	0.40	23,956	0.38
MEMX	0.35	20,795	0.80
MIAX Pearl	0.17	9,948	0.40
CHX	0.13	7,547	0.08
Nasdaq BX	0.09	5,504	0.24
Nasdaq PHLX	0.07	4,400	0.13
NYSE American	0.06	3,693	0.09
24X National	0.00	200	0.01
Texas Stock Exchange LLC	0.00	146	0.16
LTSE	0.00	0	0.00

chartexchange.com

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

GERN Nutrition Facts

0.60 servings per container

Serving size

10.04M

Calories

5.98M

% Day

% Avg

Off Exchange¹ 3M

47.29%

50.72%

Nasdaq GSM 2M

28.16%

23.87%

NYSE Arca 420K

7.02%

6.02%

IEX 221K

3.69%

4.47%

Cboe BYX 199K

3.33%

1.86%

NYSE 197K

3.29%

3.43%

Cboe BZX 178K

2.98%

4.18%

Cboe EDGX 118K

1.97%

2.51%

NYSE National 60K

1.00%

0.63%

Cboe EDGA 24K

0.40%

0.38%

MEMX 21K

0.35%

0.80%

MIAX Pearl 10K

0.17%

0.40%

CHX 8K

0.13%

0.08%

Nasdaq BX 6K

0.09%

0.24%

Nasdaq PHLX 4K

0.07%

0.13%

NYSE American 4K

0.06%

0.09%

24X National 200

0.00%

0.01%

Texas Stock Exchange LLC 146

0.00%

0.16%

LTSE 0

0.00%

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

chartexchange.com

GERN Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 2,829,279, which is 47.29% of today's total volume.
Today's Lit volume is 3,154,080, which is 52.71%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 50.72%.
The average Lit volume has been 49.28%.

GERN Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe BYX

NYSE

Cboe BZX

Cboe EDGX

NYSE National

Cboe EDGA

MEMX