Dark

ATEC
Alphatec Holdings, Inc.
stock NASDAQ

At Close

Nov 14, 2025 3:59:58 PM EST

19.74USD-2.302%(-0.46)2,603,599

0.00Bid 0.00Ask 0.00Spread

Pre-market

Nov 14, 2025 9:19:30 AM EST

19.07USD-5.594%(-1.13)1,059

After-hours

Nov 14, 2025 4:00:30 PM EST

19.74USD+0.025%(0.00)6,441

OverviewOptionsHistoricalExchange VolumeShortsMore

ATEC Volume Nov 14, 2025

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	60.17	1,566,514	47.72
Nasdaq GSM	24.77	644,743	32.49
NYSE Arca	4.17	108,542	5.12
IEX	4.09	106,609	5.22
Cboe BZX	1.84	47,861	2.82
Cboe EDGX	1.79	46,545	2.16
NYSE	1.12	29,053	1.44
Cboe EDGA	0.35	9,109	0.51
Nasdaq BX	0.32	8,424	0.31
Nasdaq PHLX	0.31	8,041	0.19
MIAX Pearl	0.26	6,826	0.38
Cboe BYX	0.26	6,699	0.37
MEMX	0.24	6,240	0.94
NYSE American	0.14	3,515	0.11
NYSE National	0.13	3,368	0.18
CHX	0.05	1,236	0.04
LTSE	0.00	100	0.01

chartexchange.com

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

ATEC Nutrition Facts

1.01 servings per container

Serving size

2.57M

Calories

2.60M

% Day

% Avg

Off Exchange¹ 2M

60.17%

47.72%

Nasdaq GSM 645K

24.77%

32.49%

NYSE Arca 109K

4.17%

5.12%

IEX 107K

4.09%

5.22%

Cboe BZX 48K

1.84%

2.82%

Cboe EDGX 47K

1.79%

2.16%

NYSE 29K

1.12%

1.44%

Cboe EDGA 9K

0.35%

0.51%

Nasdaq BX 8K

0.32%

0.31%

Nasdaq PHLX 8K

0.31%

0.19%

MIAX Pearl 7K

0.26%

0.38%

Cboe BYX 7K

0.26%

0.37%

MEMX 6K

0.24%

0.94%

NYSE American 4K

0.14%

0.11%

NYSE National 3K

0.13%

0.18%

CHX 1K

0.05%

0.04%

LTSE 100

0.00%

0.01%

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

chartexchange.com

ATEC Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 1,566,514, which is 60.17% of today's total volume.
Today's Lit volume is 1,036,911, which is 39.83%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 47.72%.
The average Lit volume has been 52.28%.

ATEC Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

NYSE

Cboe EDGA

Nasdaq BX

Nasdaq PHLX

MIAX Pearl