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ALGN
Align Technology Inc
stock NASDAQ

Market Open

Jul 21, 2026 3:52:07 PM EDT

177.54USD+1.422%(+2.49)454,399

169.08Bid 177.65Ask 8.57Spread

Pre-market

Jul 21, 2026 9:16:30 AM EDT

174.75USD-0.171%(-0.30)100

After-hours

Jul 20, 2026 4:08:30 PM EDT

175.05USD+0.074%(+0.13)0

OverviewOptionsHistoricalExchange VolumeShortsMore

ALGN Volume Jul 21, 2026 3:35:02 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	57.76	245,748	44.69
Nasdaq GSM	16.36	69,606	37.11
IEX	5.23	22,244	5.29
NYSE Arca	5.01	21,331	3.64
NYSE	4.08	17,348	2.35
Cboe BZX	3.76	16,016	2.96
Cboe EDGX	2.57	10,951	1.26
Cboe BYX	1.41	6,009	0.60
MEMX	1.33	5,639	0.52
Nasdaq BX	1.26	5,348	0.42
Cboe EDGA	0.45	1,901	0.45
NYSE National	0.37	1,579	0.24
MIAX Pearl	0.17	731	0.13
Nasdaq PHLX	0.16	681	0.12
NYSE American	0.07	303	0.14
CHX	0.00	4	0.09
24X National	0.00	0	0.01
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.

ALGN Nutrition Facts

0.41 servings per container

Serving size

1.03M

Calories

425.44K

% Day

% Avg

Off Exchange¹ 246K

57.76%

44.69%

Nasdaq GSM 70K

16.36%

37.11%

IEX 22K

5.23%

5.29%

NYSE Arca 21K

5.01%

3.64%

NYSE 17K

4.08%

2.35%

Cboe BZX 16K

3.76%

2.96%

Cboe EDGX 11K

2.57%

1.26%

Cboe BYX 6K

1.41%

0.60%

MEMX 6K

1.33%

0.52%

Nasdaq BX 5K

1.26%

0.42%

Cboe EDGA 2K

0.45%

NYSE National 2K

0.37%

0.24%

MIAX Pearl 731

0.17%

0.13%

Nasdaq PHLX 681

0.16%

0.12%

NYSE American 303

0.07%

0.14%

CHX 4

0.00%

0.09%

24X National 0

0.00%

0.01%

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

ALGN Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 245,748, which is 57.76% of today's total volume.
Today's Lit volume is 179,691, which is 42.24%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.69%.
The average Lit volume has been 55.31%.

ALGN Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

NYSE

Cboe BZX

Cboe EDGX

Cboe BYX

MEMX

Nasdaq BX

Cboe EDGA