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ATEC
Alphatec Holdings, Inc.
stock NASDAQ

At Close

Sep 25, 2026 3:59:55 PM EDT

10.11USD+1.915%(+0.19)3,003,818

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 25, 2026 9:28:30 AM EDT

9.85USD-0.706%(-0.07)5,330

After-hours

Sep 25, 2026 4:59:30 PM EDT

10.19USD+0.791%(+0.08)200

OverviewOptionsHistoricalDark Pool PrintsShortsMore

ATEC Volume Sep 25, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	53.09	1,581,870	42.26
Nasdaq GSM	29.06	865,746	32.92
IEX	4.23	125,915	7.31
NYSE Arca	4.08	121,620	5.92
Cboe BZX	2.41	71,705	3.70
Cboe EDGX	2.32	69,239	2.56
NYSE	1.70	50,649	1.85
MEMX	0.90	26,958	0.98
Cboe BYX	0.58	17,186	0.67
Cboe EDGA	0.51	15,118	0.54
Nasdaq PHLX	0.26	7,821	0.16
NYSE National	0.25	7,475	0.35
MIAX Pearl	0.22	6,425	0.31
NYSE American	0.21	6,265	0.16
CHX	0.11	3,303	0.06
Texas Stock Exchange LLC	0.04	1,300	0.08
Nasdaq BX	0.02	540	0.13
24X National	0.01	226	0.02
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.

ATEC Nutrition Facts

1.44 servings per container

Serving size

2.07M

Calories

2.98M

% Day

% Avg

Off Exchange¹ 2M

53.09%

42.26%

Nasdaq GSM 866K

29.06%

32.92%

IEX 126K

4.23%

7.31%

NYSE Arca 122K

4.08%

5.92%

Cboe BZX 72K

2.41%

3.70%

Cboe EDGX 69K

2.32%

2.56%

NYSE 51K

1.70%

1.85%

MEMX 27K

0.90%

0.98%

Cboe BYX 17K

0.58%

0.67%

Cboe EDGA 15K

0.51%

0.54%

Nasdaq PHLX 8K

0.26%

0.16%

NYSE National 7K

0.25%

0.35%

MIAX Pearl 6K

0.22%

0.31%

NYSE American 6K

0.21%

0.16%

CHX 3K

0.11%

0.06%

Texas Stock Exchange LLC 1K

0.04%

0.08%

Nasdaq BX 540

0.02%

0.13%

24X National 226

0.01%

0.02%

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

ATEC Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 1,581,870, which is 53.09% of today's total volume.
Today's Lit volume is 1,397,491, which is 46.91%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 42.26%.
The average Lit volume has been 57.74%.

ATEC Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

MEMX

Cboe BYX

Cboe EDGA

Nasdaq PHLX