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PTCT
PTC Therapeutics, Inc.
stock NASDAQ

At Close

Sep 15, 2026 3:59:57 PM EDT

65.69USD-1.188%(-0.79)1,034,202

65.63Bid 75.47Ask 9.84Spread

Pre-market

Sep 15, 2026 9:15:30 AM EDT

66.54USD+0.090%(+0.06)112

After-hours

Sep 15, 2026 4:09:30 PM EDT

65.65USD-0.061%(-0.04)3,147

OverviewOptionsHistoricalExchange VolumeShortsMore

PTCT Volume Sep 15, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	47.19	379,478	40.85
Nasdaq GSM	24.82	199,572	39.63
NYSE Arca	6.44	51,815	5.14
IEX	6.21	49,932	5.46
Cboe EDGX	5.03	40,481	1.90
Cboe BZX	4.77	38,325	2.87
NYSE	1.48	11,887	1.17
Cboe EDGA	0.97	7,795	0.43
MEMX	0.73	5,864	0.60
NYSE National	0.71	5,705	0.23
Cboe BYX	0.64	5,129	0.60
NYSE American	0.18	1,441	0.13
Nasdaq BX	0.18	1,436	0.32
Nasdaq PHLX	0.17	1,346	0.17
CHX	0.12	967	0.19
MIAX Pearl	0.11	869	0.17
24X National	0.11	851	0.01
Texas Stock Exchange LLC	0.09	687	0.03
LTSE	0.06	501	0.10

chartexchange.com

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

PTCT Nutrition Facts

0.91 servings per container

Serving size

886.24K

Calories

804.08K

% Day

% Avg

Off Exchange¹ 379K

47.19%

40.85%

Nasdaq GSM 200K

24.82%

39.63%

NYSE Arca 52K

6.44%

5.14%

IEX 50K

6.21%

5.46%

Cboe EDGX 40K

5.03%

1.90%

Cboe BZX 38K

4.77%

2.87%

NYSE 12K

1.48%

1.17%

Cboe EDGA 8K

0.97%

0.43%

MEMX 6K

0.73%

0.60%

NYSE National 6K

0.71%

0.23%

Cboe BYX 5K

0.64%

0.60%

NYSE American 1K

0.18%

0.13%

Nasdaq BX 1K

0.18%

0.32%

Nasdaq PHLX 1K

0.17%

CHX 967

0.12%

0.19%

MIAX Pearl 869

0.11%

0.17%

24X National 851

0.11%

0.01%

Texas Stock Exchange LLC 687

0.09%

0.03%

LTSE 501

0.06%

0.10%

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

chartexchange.com

PTCT Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 379,478, which is 47.19% of today's total volume.
Today's Lit volume is 424,603, which is 52.81%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 40.85%.
The average Lit volume has been 59.15%.

PTCT Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe EDGX

Cboe BZX

NYSE

Cboe EDGA

MEMX

NYSE National

Cboe BYX