157.38 USD
↘ 0.21 (0.13%)PRE MARKET (AS OF 04:29 AM EDT)
GH Stock Premarket
Guardant Health, Inc. Common Stock
GHNASDAQ • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
GH is trading at $157.38 in premarket, down $0.21 (0.13%) from its previous close of $157.58.
📅 GH is expected to report earnings around Nov 4, 2026 after the close (estimated), with an estimated EPS of $-0.66. GH earnings details →
GH Premarket Chart
GH Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, GH has had 36 qualifying gap events (gaps of 5% or more at the open) — 17 gap-ups and 19 gap-downs. Gap-ups averaged +11%, 53% have fully filled, median time to fill 3 trading days. Gap-downs averaged -7.8%, 84% have fully filled, median time to fill 3.5 trading days. Most recent: a +6.7% gap up 7 days ago, still unfilled. GH has 1 unfilled gap from the past 60 days — a +6.7% gap up on Jul 31, 2026, currently 73% retraced. Average 20-trading-day return after a GH gap up: +5.5%. After a gap down: -0.37%.
Gap Ups17 events
Fill Rate
52.9%
Avg Gap
11.0%
Avg 50% Fill
1d
Avg Fill
3d
Gap Downs19 events
Fill Rate
84.2%
Avg Gap
7.8%
Avg 50% Fill
1d
Avg Fill
3.5d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 71% | 82% | 82% | 82% |
| fills 50% | 47% | 65% | 65% | 65% |
| fills 75% | 35% | 47% | 47% | 47% |
| fills 100% | 24% | 29% | 29% | 35% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 79% | 79% | 79% | 84% |
| fills 50% | 63% | 74% | 74% | 79% |
| fills 75% | 42% | 68% | 68% | 68% |
| fills 100% | 26% | 53% | 53% | 58% |
Active Unfilled Gaps (past 60 days)
7 days ago
2026-07-31
Gap %
+6.66%
Gap From
$152.35
% vs Current
-3.32%
retraced 73% to $155.05
Complete Gap History — 36 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 7 days ago | $152.35 | +6.66% | Open | 2d | — | 25% | 73% | 73% | 73% |
| 2026-07-01 | $150.03 | +7.15% | Filled | 6d | 12d | 43% | 76% | 76% | 100% |
| 2025-11-05 | $98.14 | -5.50% | Filled | 2d | 4d | 46% | 100% | 100% | 100% |
| 2025-11-04 | $98.92 | -5.58% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-10-30 | $72.27 | +24.52% | Open | — | — | 10% | 10% | 10% | 10% |
| 2025-09-04 | $65.06 | -7.78% | Filled | 16d | 23d | 29% | 38% | 38% | 72% |
| 2025-08-07 | $44.59 | +16.69% | Open | 1d | — | 51% | 51% | 51% | 51% |
| 2025-05-01 | $47.23 | +11.47% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-04-07 | $40.58 | -5.32% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-04-04 | $42.02 | -5.52% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-04-03 | $43.49 | -5.72% | Filled | 1d | 4d | 58% | 100% | 100% | 100% |
| 2025-02-03 | $46.98 | -5.26% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-01-21 | $36.66 | +6.49% | Filled | 33d | 34d | 30% | 30% | 30% | 30% |
| 2024-11-07 | $25.29 | +28.07% | Open | 1d | — | 58% | 59% | 59% | 59% |
| 2024-09-16 | $26.79 | -13.85% | Filled | 1d | 39d | 76% | 84% | 84% | 84% |
| 2024-08-26 | $29.02 | -5.65% | Filled | 53d | 53d | 6% | 6% | 6% | 6% |
| 2024-08-08 | $33.96 | -5.59% | Open | 1d | — | 64% | 64% | 64% | 64% |
| 2024-08-05 | $31.75 | -10.74% | Filled | 1d | 2d | 83% | 100% | 100% | 100% |
| 2024-05-24 | $22.51 | +16.48% | Open | 1d | — | 78% | 78% | 78% | 78% |
| 2024-05-10 | $19.44 | +10.24% | Open | — | — | 45% | 45% | 45% | 45% |
| 2024-04-02 | $20.25 | +9.88% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2024-02-23 | $22.27 | -5.70% | Filled | 1d | 27d | 80% | 80% | 80% | 80% |
| 2023-12-20 | $27.90 | -7.53% | Filled | 1d | 3d | 74% | 100% | 100% | 100% |
| 2023-05-26 | $27.87 | +7.64% | Open | 1d | — | 93% | 94% | 94% | 94% |
| 2023-05-10 | $23.99 | +8.34% | Open | — | — | 15% | 15% | 15% | 15% |
| 2023-01-09 | $25.95 | +7.90% | Filled | 31d | 32d | 24% | 35% | 35% | 35% |
| 2022-12-16 | $41.26 | -27.28% | Open | — | — | 10% | 14% | 14% | 36% |
| 2022-12-13 | $45.97 | +6.07% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2022-11-15 | $48.25 | +5.70% | Filled | 2d | 3d | 33% | 100% | 100% | 100% |
| 2022-11-10 | $41.42 | +7.27% | Filled | 24d | 24d | 0% | 0% | 0% | 0% |
| 2022-09-13 | $61.00 | -5.44% | Filled | 1d | 18d | 71% | 85% | 85% | 100% |
| 2022-08-05 | $51.09 | -7.91% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2022-06-13 | $37.50 | -5.55% | Filled | 2d | 3d | 50% | 100% | 100% | 100% |
| 2022-05-06 | $50.72 | -7.41% | Filled | 42d | 43d | 18% | 18% | 18% | 18% |
| 2021-10-04 | $107.51 | +7.07% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2021-10-01 | $125.01 | -5.70% | Open | — | — | 2% | 2% | 2% | 5% |
Frequently Asked Questions
What is GH's premarket price?
Guardant Health (GH) is trading at $157.38 in premarket, down $0.21 (0.13%) from the previous close of $157.58.
Why is GH moving in premarket?
Guardant Health (GH) is down 0.13% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest GH premarket headlines and gap history below for the likely catalyst.
When does GH premarket trading start?
Premarket trading for GH on the NASDAQ runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.
How often does GH fill its gaps?
Over the past 5 years, 53% of GH gap-ups have fully filled and 84% of gap-downs have filled. Median time to fill is 3 trading days for gap-ups and 4 trading days for gap-downs.
Does GH have any unfilled gaps?
Yes. GH has 1 unfilled gap from the past 60 days. The largest is a +6.7% gap up from Jul 31, 2026 and is currently 73% retraced.
What's the average return after a GH gap?
Based on 36 qualifying gap events over the past 5 years, the average 20-trading-day return after a GH gap up is +5.5%, and after a gap down is -0.37%.
When does GH report earnings?
GH is expected to report earnings around Nov 4, 2026 after the close (estimated), with an estimated EPS of $-0.66.