GH

Guardant Health, Inc.
182.59 +2.54% 2026-10-28

Last 90d 11 insider sales · 1 congress buy

52-week range
68.02 191.05
1-month+2.7%
3-month+19.8%
1-year+157.7%
3-year+602.8%
5-year+71.5%
vs 50-day+8.0%
vs 200-day+40.7%
Volatility59%
Beta1.02
$ vol/day$308M
ATH191.05
From ATH-4.4%
Next report2026-11-05
WhoEntryMove What they saidWhen
TRACKER - Jonathan Jackson · Congress long 158.00 +15.6% Jonathan Jackson's trade date was 28 September 2026 — a disclosed purchase of $15,001–$50,000. But a Periodic… Tue, 20 Oct
TRACKER - Cathie Wood long — +6.5% ARK bought 284,019 shares of CMPS for ARKG. The trade: 0.16% of that fund, on 12 October 2026 — roughly $3.3m at that… Mon, 12 Oct
TRACKER - Cathie Wood long — -19.8% ARK bought 9,037 shares of AVAV for ARKX on 15 September 2026: 0.18% of that fund — roughly $1.4m at that day’s close.… Tue, 15 Sep
TRACKER - Cathie Wood long — -12.7% ARK bought 166,585 shares of IONS for ARKG on 14 September 2026: 0.49% of that fund — roughly $8.6m at that day’s… Mon, 14 Sep
2026AprJulOct

bought sold · bigger dot, bigger trade · follows the chart’s range

WhenPeople SizeValuePrice
10d sched 1 $19,242 159.45
14d sched 1 $11,032 163.93
1mo sell 2 $2,550,250 179.48
1mo sched 2 $164,850 179.48
1mo sell 1 $632,193 161.97
2mo sell 1 $6,343,384 164.74
2mo sched 1 $18,148 161.53
3mo sell 1 $7,645,218 162.49
3mo sell 1 $10,786,111 166.20
3mo sell 1 $279,202 159.81
3mo sell 1 $2,253,451 161.95
3mo sched 1 $18,942 159.53
4mo sell 1 $78,516 150.50
4mo sched 1 $39,312,896 150.50
4mo sched 1 $157,104 150.50
4mo sched 2 $459,978 131.19
4mo sched 1 $15,102 129.94
4mo sell 1 $445,160 131.76
5mo sell 1 $652,050 131.08
5mo sell 2 $12,887,362 127.96
5mo sell 1 $1,231,548 129.12
5mo sched 1 $1,269,850 130.84
5mo sell 1 $130,060 131.14
5mo sched 1 $1,250,806 129.16
5mo sell 1 $2,896,260 117.82
5mo sell 2 $868,912 118.48
5mo sched 2 $25,207,033 118.48
5mo sched 1 $11,131 96.22
6mo sched 1 $5,016,000 97.37
6mo sched 1 $9,840 85.07
7mo sched 1 $355,150 91.04
7mo sched 1 $30,655 87.53
7mo sell 1 $261,120 87.97
8mo sell 1 $119,000 90.20
8mo sell 1 $3,812,742 93.54
9mo sched 1 $977,908 118.34
10mo sched 1 $1,124,273 109.69
10mo sched 1 $11,769 98.05
10mo sell 2 $9,969,225 99.20
11mo sell 4 $13,264,139 103.98
11mo sell 3 $14,597,102 104.11
11mo sched 1 $5,846,163 105.33
11mo sched 1 $11,165 105.02
12mo sell 2 $1,008,650 99.01
1.0y sched 2 $9,507 68.12
1.1y sched 2 $7,899 57.19
1.1y sell 1 $117,256 54.51
1.1y sell 1 $17,834,586 57.25
1.2y sched 1 $6,584 65.55
1.2y sell 1 $123,520 61.83
1.2y sched 2 $8,381 58.09
1.3y sched 2 $6,844 47.01
1.3y sched 1 $5,087,390 50.48
1.4y sched 3 $483,025 49.86
1.4y sched 2 $288,085 49.01
1.4y sched 1 $5,973,989 48.85
1.4y sell 1 $185,560 48.22
1.4y sched 1 $4,166 44.52
1.4y sched 1 $4,645 39.87
1.5y sched 1 $5,936,379 44.70
1.5y sched 1 $5,196 43.41
1.6y sched 1 $5,069 45.63
1.6y sell 1 $151,060 42.45
1.7y sched 1 $4,271 41.78
1.7y sched 1 $5,606 45.59
1.8y sched 1 $4,359 42.00
1.9y sched 1 $4,043 31.92
1.9y sched 1 $81,200 35.37
1.9y sched 1 $3,590 35.23
1.9y sell 1 $204,750 29.57
2.0y sell 1 $244,968 30.68
2.0y sched 1 $86,590 30.68
2.4y sched 1 $2,787 29.81
2.6y buy 1 $38,972 17.64
2.7y sched 1 $1,905 18.75
2.9y sched 1 $2,634 26.38
2.9y sell 1 $152,946 26.84
3.1y sell 1 $69,254 32.64
3.1y sched 1 $3,501 35.12
3.4y sched 1 $103,863 37.49
3.4y buy 1 $97,494 36.27
3.6y buy 1 $2,448,511 28.41
3.6y buy 1 $2,501,288 26.25
3.7y sell 1 $207,480 32.15
4.0y sell 1 $162,094 47.62
4.2y sell 1 $102,780 48.90
4.2y sell 1 $484,650 55.30
4.6y sell 1 $289,823 51.30
4.7y sell 1 $364,129 71.72
4.8y sell 1 $424,719 89.03
4.9y sell 1 $471,641 91.69
4.9y buy 2 $20,091,808 94.69
5.0y sell 1 $524,879 105.53
5.0y sell 1 $511,113 103.45
5.1y sell 1 $640,329 127.54
5.2y sell 1 $139,880 131.50
5.2y sell 1 $564,006 103.84
5.3y sell 1 $613,148 118.42
5.3y sell 1 $1,372,670 125.55
5.4y sell 1 $560,502 123.25
5.5y sell 1 $656,271 115.79
5.5y sell 1 $714,242 133.25
5.5y sell 1 $86,037 164.65
5.5y sell 1 $1,303,134 162.44
5.5y sell 1 $10,965,669 155.37
5.5y sell 1 $40,842,957 154.05
5.5y sell 2 $38,149,465 156.02
5.6y sell 1 $35,162,333 157.59
5.6y sell 1 $792,789 159.13
5.6y sell 1 $71,064 138.84
5.6y sell 1 $680,152 141.88
5.7y sell 1 $82,852 150.57
5.7y sell 1 $14,672,407 168.56
5.7y sell 2 $50,386,724 174.23
5.7y sell 1 $73,748,372 162.90
5.7y sell 1 $22,603,450 160.50
5.7y sell 1 $40,773,483 158.51
5.8y sell 1 $87,156 147.07
5.8y sell 1 $25,570,929 153.42
5.8y sell 1 $79,368,609 162.24
2026AprJulOct

bought sold · bigger dot, bigger trade · follows the chart’s range

JJJonathan Jackson 1B 1mo SWSheldon Whitehouse 1B 11mo DBDonald Sternoff Beyer 4B6S 4.7y

3 members · 6 buys / 6 sells · $26K–$215K disclosed · latest filing Oct 19, 2026 · full tracker ›

WhenMemberSize AmountPrice then
1mo buy JJ Jonathan Jackson $15K–$50K 177.33
11mo buy SW Sheldon Whitehouse $1K–$15K 105.42
4.7y sell DB Donald Sternoff Beyer $1K–$15K 66.27
4.8y sell DB Donald Sternoff Beyer $1K–$15K 78.80
4.9y sell DB Donald Sternoff Beyer $1K–$15K 99.49
6.0y buy DB Donald Sternoff Beyer $1K–$15K 105.09
6.0y buy DB Donald Sternoff Beyer $1K–$15K 102.69
6.1y buy DB Donald Sternoff Beyer $1K–$15K 110.75
6.3y sell DB Donald Sternoff Beyer $1K–$15K 81.14
6.5y sell DB Donald Sternoff Beyer $1K–$15K 73.48
6.5y sell DB Donald Sternoff Beyer $1K–$15K 79.02
6.7y buy DB Donald Sternoff Beyer $1K–$15K 84.30

Next report 2026-11-05 (Thursday, after close, in 7 days) · EPS estimate -0.31. It has finished the next session higher 62% of the time, average move 9.8%.

Day-after move, last 12 reports, oldest left.

ReportedEst.Actual SurpriseGapDay 1Day 5
2026-07-30 miss -0.39 -0.42 -7.8% +6.7% +6.3% +10.6%
2026-05-07 beat -0.47 -0.45 +5.0% +4.7% +3.7% +2.9%
2026-02-19 miss -0.47 -0.50 -6.5% +1.5% -3.1% -11.7%
2025-10-29 beat -0.49 -0.39 +20.3% +24.5% +27.9% +33.2%
2025-07-30 beat -0.51 -0.44 +14.5% -0.7% -9.3% +11.5%
2025-04-30 beat -0.59 -0.49 +17.0% +11.5% +3.5% -11.8%
2025-02-20 miss -0.50 -0.62 -23.1% +2.3% -9.6% -10.2%
2024-11-06 beat -0.60 -0.45 +24.4% +28.1% +13.0% +19.5%
2024-08-07 beat -0.61 -0.48 +21.0% -5.6% -10.9% -16.0%
2024-05-09 beat -0.73 -0.46 +37.0% +10.2% +15.1% +30.5%
2024-02-22 beat -0.75 -0.64 +14.2% -5.7% -12.8% -14.8%
2023-11-06 beat -0.80 -0.67 +15.9% -2.3% -5.4% -11.7%
2023-08-03 beat -0.93 -0.82 +11.5% +2.9% +6.4% +0.1%
2023-05-09 beat -1.07 -1.06 +1.1% +8.3% +14.9% +21.1%
2023-02-23 miss -1.16 -1.17 -1.1% +3.2% +11.7% +24.1%
2022-11-03 miss -1.08 -1.18 -9.4% -3.3% +4.9% +18.8%
2022-08-04 miss -0.97 -1.00 -3.3% -7.9% +3.6% +6.0%
2022-05-05 beat -1.10 -0.91 +17.5% -7.4% -22.5% -29.2%
2022-02-23 miss -1.08 -1.15 -6.1% -1.4% +10.0% +1.7%
2021-11-04 miss -0.87 -1.06 -21.5% -1.1% -4.0% -9.6%
2021-08-05 miss -0.83 -0.96 -15.1% +1.9% -1.2% -12.2%
2021-05-06 miss -0.83 -1.09 -31.2% -3.5% +0.6% -16.2%
2021-02-24 miss -0.47 -0.94 -99.1% -5.1% -7.9% -17.9%
2020-11-05 miss -0.36 -0.78 -118.7% -4.2% -3.8% -1.1%
2020-08-06 miss -0.36 -0.57 -58.2% -4.0% +3.5% +3.3%
2020-05-07 beat -0.39 -0.29 +25.2% +8.5% +5.0% +16.1%
2020-02-24 beat -0.30 -0.27 +11.3% -5.1% -10.1% -12.2%
2019-11-07 beat -0.37 -0.14 +62.6% +7.3% +12.0% +24.6%
2019-08-06 beat -0.35 -0.13 +62.8% +16.0% +21.2% +9.1%
2019-05-09 beat -0.37 -0.30 +18.8% +15.6% +18.6% +18.9%
2019-03-12 beat -0.35 -0.30 +14.9% +6.7% +27.6% +19.0%
2018-11-19 beat -0.29 -0.29 +3.1% +0.1% +3.3% +12.2%
Model view — historical tendencies for the days ahead, not a forecast
Next 1 day
+0.2%
Next 1 week
+0.6%
Next 1 month
+2.7%
Seasonality
Not enough history
20-year seasonality chart →
Mean reversion
Deeply overbought — RSI(2) at 97
RSI(2) under 15 is oversold (this name has historically bounced); over 85 is overbought. Its dip-buy edge in history is +0.57%/day.
Mean-reversion stats →
1-month breakdown — Market · β 1.02 +2.7% · Seasonal tilt (7y) +0.1%
$308M/day volume 59% volatility +158% 1-year -4% from ATH
52-week range · 93% of the way up · -4% from the high
$68.02$191.05

Not investment advice.