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HTFL
Heartflow, Inc. Common Stock
stock NASDAQ

Market Open

Oct 2, 2026 10:39:19 AM EDT

49.06USD+0.245%(+0.12)636,006

41.36Bid 55.86Ask 14.50Spread

Pre-market

Oct 2, 2026 9:08:30 AM EDT

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

After-hours

Oct 1, 2026 4:02:30 PM EDT

48.90USD-0.082%(-0.04)0

OverviewOptionsHistoricalDark Pool PrintsShortsTrends

HTFL Volume Oct 2, 2026 10:15:04 AM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	44.25	258,601	48.15
Nasdaq GSM	25.10	146,723	32.12
NYSE Arca	21.08	123,189	6.03
Cboe BZX	2.55	14,882	2.65
Cboe EDGX	1.84	10,727	2.30
IEX	1.62	9,449	4.40
Cboe EDGA	0.86	4,999	0.75
NYSE	0.48	2,824	1.13
Cboe BYX	0.48	2,800	0.65
MEMX	0.42	2,431	0.63
Nasdaq BX	0.32	1,863	0.29
Nasdaq PHLX	0.29	1,694	0.16
NYSE National	0.24	1,379	0.22
MIAX Pearl	0.22	1,291	0.19
CHX	0.14	800	0.06
Texas Stock Exchange LLC	0.07	418	0.04
NYSE American	0.07	401	0.07
24X National	0.00	3	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

0.30 servings per container

Serving size

1.94M

Calories

584.47K

% Day

% Avg

Off Exchange¹ 259K

44.25%

48.15%

Nasdaq GSM 147K

25.10%

32.12%

NYSE Arca 123K

21.08%

6.03%

Cboe BZX 15K

2.55%

2.65%

Cboe EDGX 11K

1.84%

2.30%

IEX 9K

1.62%

4.40%

Cboe EDGA 5K

0.86%

0.75%

NYSE 3K

0.48%

1.13%

Cboe BYX 3K

0.48%

0.65%

MEMX 2K

0.42%

0.63%

Nasdaq BX 2K

0.32%

0.29%

Nasdaq PHLX 2K

0.29%

0.16%

NYSE National 1K

0.24%

0.22%

MIAX Pearl 1K

0.22%

0.19%

CHX 800

0.14%

0.06%

Texas Stock Exchange LLC 418

0.07%

0.04%

NYSE American 401

0.07%

24X National 3

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 258,601, which is 44.25% of today's total volume.
Today's Lit volume is 325,873, which is 55.75%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 48.15%.
The average Lit volume has been 51.85%.

HTFL Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe BZX

Cboe EDGX

IEX

Cboe EDGA

NYSE

Cboe BYX

MEMX

Nasdaq BX