870.99 USD
↘ 122.00 (12.30%)PRE MARKET (AS OF 05:29 AM EDT)
ARGX Stock Premarket
argenx SE American Depositary Shares
ARGXNASDAQ • USD
Market: CLOSED
Premarket trading runs 4:00 AM – 9:30 AM ET.
ARGX last traded at $870.99 in premarket, down $122.00 (12.30%) from its previous close of $992.99. Historically, 0% of ARGX gap-downs of 5% or more have fully filled within one trading day.
📅 ARGX is expected to report earnings around Oct 29, 2026 (estimated), with an estimated EPS of $6.69. ARGX earnings details →
ARGX Premarket Chart
ARGX Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, ARGX has had 20 qualifying gap events (gaps of 5% or more at the open) — 15 gap-ups and 5 gap-downs. Gap-ups averaged +9.8%, 40% have fully filled, median time to fill 14.5 trading days. Gap-downs averaged -10.4%, 60% have fully filled, median time to fill 7 trading days. Most recent: a +8.9% gap up 3 days ago, still unfilled. ARGX has 1 unfilled gap from the past 60 days — a +8.9% gap up on Aug 17, 2026, currently 2% retraced. Average 20-trading-day return after a ARGX gap up: +0.7%. After a gap down: -0.19%.
Gap Ups15 events
Fill Rate
40.0%
Avg Gap
9.8%
Avg 50% Fill
6.5d
Avg Fill
14.5d
Gap Downs5 events
Fill Rate
60.0%
Avg Gap
10.4%
Avg 50% Fill
6.5d
Avg Fill
7d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 67% | 73% | 73% | 80% |
| fills 50% | 20% | 33% | 40% | 60% |
| fills 75% | 7% | 20% | 20% | 47% |
| fills 100% | 7% | 7% | 13% | 33% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 40% | 80% | 100% | 100% |
| fills 50% | 40% | 40% | 40% | 60% |
| fills 75% | 0% | 40% | 40% | 40% |
| fills 100% | 0% | 20% | 40% | 40% |
Active Unfilled Gaps (past 60 days)
3 days ago
2026-08-17
Gap %
+8.93%
Gap From
$851.29
% vs Current
-17.58%
retraced 2% to $925.66
Complete Gap History — 20 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 3 days ago | $851.29 | +8.93% | Open | — | — | 2% | 2% | 2% | 2% |
| 2025-12-15 | $877.94 | -5.58% | Filled | 1d | 3d | 51% | 100% | 100% | 100% |
| 2025-10-01 | $737.56 | +5.20% | Open | 22d | — | 32% | 32% | 32% | 32% |
| 2025-07-31 | $598.89 | +14.94% | Open | 8d | — | 26% | 31% | 64% | 64% |
| 2025-05-08 | $622.93 | -8.43% | Filled | 55d | 58d | 13% | 15% | 45% | 47% |
| 2024-10-31 | $551.71 | +6.87% | Open | 1d | — | 61% | 61% | 61% | 83% |
| 2024-09-25 | $519.76 | +5.64% | Filled | 2d | 11d | 38% | 86% | 100% | 100% |
| 2024-07-25 | $464.36 | +5.21% | Open | 1d | — | 69% | 69% | 69% | 69% |
| 2024-06-24 | $394.47 | +11.54% | Open | — | — | 24% | 25% | 25% | 25% |
| 2024-03-21 | $356.95 | +15.09% | Filled | 13d | 38d | 30% | 40% | 49% | 99% |
| 2023-12-20 | $452.58 | -23.64% | Open | 12d | — | 1% | 40% | 48% | 67% |
| 2023-11-28 | $495.77 | -8.82% | Open | — | — | 4% | 27% | 27% | 38% |
| 2023-07-17 | $379.08 | +25.96% | Open | — | — | 3% | 3% | 3% | 3% |
| 2022-11-30 | $377.72 | +5.85% | Filled | 5d | 14d | 31% | 76% | 76% | 100% |
| 2022-07-28 | $357.86 | +8.20% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2022-05-13 | $290.29 | +7.67% | Open | — | — | 44% | 46% | 46% | 46% |
| 2022-05-10 | $269.58 | +7.88% | Open | — | — | 0% | 43% | 43% | 43% |
| 2022-05-09 | $316.43 | -5.58% | Filled | 1d | 7d | 57% | 90% | 100% | 100% |
| 2021-12-20 | $310.26 | +9.45% | Filled | 14d | 15d | 14% | 14% | 14% | 100% |
| 2021-10-29 | $280.83 | +9.06% | Filled | 14d | 17d | 34% | 34% | 34% | 100% |
Frequently Asked Questions
What is ARGX's premarket price?
argenx SE American (ARGX) is trading at $870.99 in premarket, down $122.00 (12.30%) from the previous close of $992.99.
Why is ARGX moving in premarket?
argenx SE American (ARGX) is down 12.30% 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 ARGX premarket headlines and gap history below for the likely catalyst.
When does ARGX premarket trading start?
Premarket trading for ARGX 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 ARGX fill its gaps?
Over the past 5 years, 40% of ARGX gap-ups have fully filled and 60% of gap-downs have filled. Median time to fill is 15 trading days for gap-ups and 7 trading days for gap-downs.
Does ARGX have any unfilled gaps?
Yes. ARGX has 1 unfilled gap from the past 60 days. The largest is a +8.9% gap up from Aug 17, 2026 and is currently 2% retraced.
What's the average return after a ARGX gap?
Based on 20 qualifying gap events over the past 5 years, the average 20-trading-day return after a ARGX gap up is +0.7%, and after a gap down is -0.19%.
When does ARGX report earnings?
ARGX is expected to report earnings around Oct 29, 2026 (estimated), with an estimated EPS of $6.69.