145.79 USD
↘ 9.21 (5.94%)PRE MARKET (AS OF Fri 05:29 AM EDT)
GH Stock Premarket
Guardant Health, Inc. Common Stock
GHNASDAQ • USD
Market: CLOSED
Premarket trading runs 4:00 AM – 9:30 AM ET.
GH last traded at $145.79 in premarket, down $9.21 (5.94%) from its previous close of $155.00. Historically, 26% of GH gap-downs of 5% or more have fully filled within one trading day.
📅 GH is scheduled to report earnings on Jul 30, 2026 after the close (confirmed), with an estimated EPS of $-0.42. 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 35 qualifying gap events (gaps of 5% or more at the open) — 16 gap-ups and 19 gap-downs. Gap-ups averaged +11.3%, 56% 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 +7.2% gap up on Jul 1, 2026, which filled in 12 trading days. Average 20-trading-day return after a GH gap up: +6.22%. After a gap down: -0.37%.
Gap Ups16 events
Fill Rate
56.3%
Avg Gap
11.3%
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% | 75% | 81% | 81% | 81% |
| fills 50% | 50% | 63% | 63% | 63% |
| fills 75% | 38% | 50% | 50% | 50% |
| fills 100% | 25% | 31% | 31% | 38% |
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% |
Complete Gap History — 35 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 17 days ago | $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 $145.79 in premarket, down $9.21 (5.94%) from the previous close of $155.00.
Why is GH moving in premarket?
Guardant Health (GH) is down 5.94% 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, 56% 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?
No. GH has no unfilled gap events from the past 60 days; all recent gaps have been filled.
What's the average return after a GH gap?
Based on 35 qualifying gap events over the past 5 years, the average 20-trading-day return after a GH gap up is +6.22%, and after a gap down is -0.37%.
When does GH report earnings?
GH is scheduled to report earnings on Jul 30, 2026 after the close (confirmed), with an estimated EPS of $-0.42. Guardant Health officially announced on July 9, 2026, that it will report its Q2 2026 financial results after the market close on Thursday, July 30, 2026, followed by a conference call at 4:30 PM ET.