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HTFL
Heartflow, Inc. Common Stock
stock NASDAQ

At Close

Oct 2, 2026 3:59:55 PM EDT

49.30USD+0.736%(+0.36)1,635,349

49.26Bid 49.35Ask 0.09Spread

Pre-market

Oct 2, 2026 9:08:30 AM EDT

49.06USD+0.245%(+0.12)2,016

After-hours

Oct 2, 2026 4:00:30 PM EDT

49.12USD-0.365%(-0.18)12,489

OverviewOptionsHistoricalDark Pool PrintsShortsTrends

HTFL Volume Oct 2, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	44.05	716,260	48.07
Nasdaq GSM	29.19	474,606	32.11
NYSE Arca	11.99	194,978	6.05
Cboe BZX	5.60	91,122	2.73
IEX	3.11	50,594	4.40
Cboe EDGX	1.79	29,083	2.29
NYSE	1.72	28,044	1.15
MEMX	0.52	8,449	0.63
Cboe EDGA	0.48	7,815	0.74
Cboe BYX	0.42	6,826	0.65
Nasdaq BX	0.29	4,769	0.29
Nasdaq PHLX	0.20	3,209	0.16
MIAX Pearl	0.16	2,618	0.19
NYSE National	0.15	2,472	0.22
NYSE American	0.11	1,807	0.07
CHX	0.10	1,691	0.06
Texas Stock Exchange LLC	0.10	1,550	0.04
24X National	0.00	71	0.03
LTSE	0.00	0	0.12

chartexchange.com

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

HTFL Nutrition Facts

0.84 servings per container

Serving size

1.94M

Calories

1.63M

% Day

% Avg

Off Exchange¹ 716K

44.05%

48.07%

Nasdaq GSM 475K

29.19%

32.11%

NYSE Arca 195K

11.99%

6.05%

Cboe BZX 91K

5.60%

2.73%

IEX 51K

3.11%

4.40%

Cboe EDGX 29K

1.79%

2.29%

NYSE 28K

1.72%

1.15%

MEMX 8K

0.52%

0.63%

Cboe EDGA 8K

0.48%

0.74%

Cboe BYX 7K

0.42%

0.65%

Nasdaq BX 5K

0.29%

Nasdaq PHLX 3K

0.20%

0.16%

MIAX Pearl 3K

0.16%

0.19%

NYSE National 2K

0.15%

0.22%

NYSE American 2K

0.11%

0.07%

CHX 2K

0.10%

0.06%

Texas Stock Exchange LLC 2K

0.10%

0.04%

24X National 71

0.00%

0.03%

LTSE 0

0.00%

0.12%

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

chartexchange.com

HTFL Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 716,260, which is 44.05% of today's total volume.
Today's Lit volume is 909,704, which is 55.95%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 48.07%.
The average Lit volume has been 51.93%.

HTFL Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe BZX

IEX

Cboe EDGX

NYSE

MEMX

Cboe EDGA

Cboe BYX

Nasdaq BX