Dark

GH
Guardant Health, Inc. Common Stock
stock NASDAQ

At Close

Oct 2, 2026 3:59:59 PM EDT

177.82USD+1.757%(+3.07)1,650,736

174.00Bid 186.90Ask 12.90Spread

Pre-market

Oct 2, 2026 8:31:30 AM EDT

175.00USD+0.143%(+0.25)1,100

After-hours

Oct 2, 2026 4:39:30 PM EDT

177.80USD-0.011%(-0.02)3,700

OverviewOptionsHistoricalExchange VolumeShortsMore

GH Volume Oct 2, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	48.73	804,324	46.30
Nasdaq GSM	28.50	470,452	33.60
IEX	6.38	105,302	5.91
NYSE Arca	4.63	76,470	4.45
Cboe EDGX	3.35	55,246	2.52
Cboe BZX	2.44	40,269	2.83
Cboe BYX	1.30	21,465	0.76
Nasdaq BX	0.90	14,851	0.44
MEMX	0.90	14,787	0.81
NYSE	0.87	14,432	1.08
NYSE National	0.73	12,042	0.24
Cboe EDGA	0.51	8,375	0.43
MIAX Pearl	0.26	4,321	0.22
NYSE American	0.24	3,947	0.12
Nasdaq PHLX	0.17	2,822	0.16
CHX	0.08	1,288	0.07
Texas Stock Exchange LLC	0.01	143	0.03
24X National	0.01	119	0.02

chartexchange.com

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

GH Nutrition Facts

0.89 servings per container

Serving size

1.85M

Calories

1.65M

% Day

% Avg

Off Exchange¹ 804K

48.73%

46.30%

Nasdaq GSM 470K

28.50%

33.60%

IEX 105K

6.38%

5.91%

NYSE Arca 76K

4.63%

4.45%

Cboe EDGX 55K

3.35%

2.52%

Cboe BZX 40K

2.44%

2.83%

Cboe BYX 21K

1.30%

0.76%

Nasdaq BX 15K

0.90%

0.44%

MEMX 15K

0.90%

0.81%

NYSE 14K

0.87%

1.08%

NYSE National 12K

0.73%

0.24%

Cboe EDGA 8K

0.51%

0.43%

MIAX Pearl 4K

0.26%

0.22%

NYSE American 4K

0.24%

0.12%

Nasdaq PHLX 3K

0.17%

0.16%

CHX 1K

0.08%

0.07%

Texas Stock Exchange LLC 143

0.01%

0.03%

24X National 119

0.01%

0.02%

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

chartexchange.com

GH Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 804,324, which is 48.73% of today's total volume.
Today's Lit volume is 846,331, which is 51.27%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 46.30%.
The average Lit volume has been 53.70%.

GH Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe EDGX

Cboe BZX

Cboe BYX

Nasdaq BX

MEMX

NYSE

NYSE National