85.72 USD
↘ 6.62 (7.17%)PRE MARKET (AS OF 05:29 AM EDT)
DXCM Stock Premarket
DexCom, Inc.
DXCMNASDAQ • USD
Market: CLOSED
Premarket trading runs 4:00 AM – 9:30 AM ET.
DXCM last traded at $85.72 in premarket, down $6.62 (7.17%) from its previous close of $92.34. Historically, 0% of DXCM gap-downs of 5% or more have fully filled within one trading day.
📅 DXCM is expected to report earnings around Oct 29, 2026 after the close (estimated), with an estimated EPS of $0.66. DXCM earnings details →
DXCM Premarket Chart
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, DXCM has had 17 qualifying gap events (gaps of 5% or more at the open) — 11 gap-ups and 6 gap-downs. Gap-ups averaged +7.7%, 64% have fully filled, median time to fill 3 trading days. Gap-downs averaged -13.9%, 83% have fully filled, median time to fill 5 trading days. Most recent: a +7.2% gap up on Jul 31, 2026, still unfilled. DXCM has 1 unfilled gap from the past 60 days — a +7.2% gap up on Jul 31, 2026, currently 7% retraced. Average 20-trading-day return after a DXCM gap up: +5.45%. After a gap down: +4.15%.
Gap Ups11 events
Fill Rate
63.6%
Avg Gap
7.7%
Avg 50% Fill
2d
Avg Fill
3d
Gap Downs6 events
Fill Rate
83.3%
Avg Gap
13.9%
Avg 50% Fill
5d
Avg Fill
5d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 73% | 82% | 82% | 82% |
| fills 50% | 36% | 64% | 73% | 73% |
| fills 75% | 18% | 55% | 64% | 64% |
| fills 100% | 18% | 45% | 64% | 64% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 50% | 83% | 100% | 100% |
| fills 50% | 33% | 50% | 50% | 83% |
| fills 75% | 17% | 50% | 50% | 50% |
| fills 100% | 0% | 50% | 50% | 50% |
Active Unfilled Gaps (past 60 days)
25 days ago
2026-07-31
Gap %
+7.16%
Gap From
$74.54
% vs Current
-18.14%
retraced 7% to $79.50
Complete Gap History — 17 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 25 days ago | $74.54 | +7.16% | Open | — | — | 7% | 7% | 7% | 7% |
| 2025-10-31 | $68.20 | -13.21% | Filled | 18d | 28d | 13% | 36% | 36% | 53% |
| 2025-05-02 | $70.26 | +7.12% | Open | — | — | 6% | 6% | 6% | 6% |
| 2025-04-10 | $66.84 | +8.92% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-01-13 | $77.76 | +5.45% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2024-07-26 | $107.85 | -38.80% | Open | — | — | 3% | 16% | 27% | 28% |
| 2023-10-27 | $81.09 | +14.35% | Open | 1d | — | 56% | 69% | 69% | 69% |
| 2023-09-06 | $100.33 | +5.10% | Filled | 2d | 8d | 24% | 92% | 100% | 100% |
| 2023-03-06 | $122.92 | -7.18% | Filled | 12d | 32d | 22% | 29% | 38% | 59% |
| 2023-02-10 | $107.24 | +5.04% | Filled | 8d | 8d | 27% | 27% | 100% | 100% |
| 2022-11-10 | $113.15 | +5.16% | Filled | 2d | 3d | 33% | 100% | 100% | 100% |
| 2022-10-28 | $101.25 | +12.32% | Open | 49d | — | 31% | 31% | 31% | 31% |
| 2022-10-07 | $95.21 | +8.84% | Filled | 3d | 5d | 42% | 100% | 100% | 100% |
| 2022-07-29 | $86.99 | -10.05% | Filled | 1d | 3d | 87% | 100% | 100% | 100% |
| 2022-05-31 | $72.27 | +5.74% | Filled | 1d | 2d | 60% | 100% | 100% | 100% |
| 2022-05-24 | $80.98 | -8.52% | Filled | 5d | 5d | 37% | 100% | 100% | 100% |
| 2022-01-10 | $117.87 | -5.79% | Filled | 1d | 2d | 69% | 100% | 100% | 100% |
Frequently Asked Questions
What is DXCM's premarket price?
DexCom (DXCM) is trading at $85.72 in premarket, down $6.62 (7.17%) from the previous close of $92.34.
Why is DXCM moving in premarket?
DexCom (DXCM) is down 7.17% 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 DXCM premarket headlines and gap history below for the likely catalyst.
When does DXCM premarket trading start?
Premarket trading for DXCM 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 DXCM fill its gaps?
Over the past 5 years, 64% of DXCM gap-ups have fully filled and 83% of gap-downs have filled. Median time to fill is 3 trading days for gap-ups and 5 trading days for gap-downs.
Does DXCM have any unfilled gaps?
Yes. DXCM has 1 unfilled gap from the past 60 days. The largest is a +7.2% gap up from Jul 31, 2026 and is currently 7% retraced.
What's the average return after a DXCM gap?
Based on 17 qualifying gap events over the past 5 years, the average 20-trading-day return after a DXCM gap up is +5.45%, and after a gap down is +4.15%.
When does DXCM report earnings?
DXCM is expected to report earnings around Oct 29, 2026 after the close (estimated), with an estimated EPS of $0.66.