67.71 USD
↘ 0.42 (0.61%)PRE MARKET (AS OF 07:25 AM EDT)
ALC Stock Premarket
Alcon Inc. Ordinary Shares
ALCNYSE • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
ALC is trading at $67.71 in premarket, down $0.42 (0.61%) from its previous close of $68.13.
📅 ALC is expected to report earnings around Aug 18, 2026 after the close (estimated), with an estimated EPS of $0.79. ALC earnings details →
ALC Premarket Chart
ALC Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, ALC has had 12 qualifying gap events (gaps of 5% or more at the open) — 8 gap-ups and 4 gap-downs. Gap-ups averaged +7.2%, 25% have fully filled, median time to fill 14 trading days. Gap-downs averaged -7.7%, 25% have fully filled, median time to fill 10 trading days. Most recent: a -11.3% gap down on May 6, 2026, still unfilled. ALC has 1 unfilled gap from the past 60 days — a -11.3% gap down on May 6, 2026, currently 38% retraced. Average 20-trading-day return after a ALC gap up: +3.71%. After a gap down: +1.25%.
Gap Ups8 events
Fill Rate
25.0%
Avg Gap
7.2%
Avg 50% Fill
2.5d
Avg Fill
14d
Gap Downs4 events
Fill Rate
25.0%
Avg Gap
7.7%
Avg 50% Fill
27d
Avg Fill
10d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 38% | 38% | 38% | 50% |
| fills 50% | 13% | 38% | 38% | 38% |
| fills 75% | 0% | 25% | 38% | 38% |
| fills 100% | 0% | 13% | 13% | 13% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 50% | 50% | 50% | 75% |
| fills 50% | 0% | 25% | 25% | 25% |
| fills 75% | 0% | 0% | 25% | 25% |
| fills 100% | 0% | 0% | 25% | 25% |
Active Unfilled Gaps (past 60 days)
51 days ago
2026-05-06
Gap %
-11.27%
Gap From
$74.45
% vs Current
+9.28%
retraced 38% to $69.27
Complete Gap History — 12 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2026-05-06 | $74.45 | -11.27% | Open | — | — | 19% | 19% | 21% | 29% |
| 2025-11-12 | $77.36 | +5.18% | Filled | 1d | 4d | 51% | 100% | 100% | 100% |
| 2025-08-20 | $90.12 | -8.66% | Open | — | — | 24% | 24% | 24% | 24% |
| 2025-05-14 | $93.25 | -5.66% | Open | 48d | — | 30% | 36% | 36% | 36% |
| 2024-05-14 | $80.92 | +9.57% | Open | — | — | 18% | 18% | 20% | 20% |
| 2023-11-15 | $74.96 | -5.14% | Filled | 6d | 10d | 26% | 61% | 100% | 100% |
| 2023-05-10 | $74.31 | +5.99% | Open | — | — | 13% | 13% | 20% | 39% |
| 2023-03-30 | $67.58 | +5.24% | Open | 3d | — | 28% | 55% | 79% | 79% |
| 2022-11-16 | $63.37 | +7.69% | Open | 2d | — | 39% | 94% | 94% | 94% |
| 2022-11-10 | $57.64 | +5.90% | Open | — | — | 18% | 18% | 18% | 18% |
| 2022-05-11 | $65.29 | +5.36% | Filled | 23d | 24d | 3% | 20% | 20% | 20% |
| 2021-08-18 | $71.36 | +12.51% | Open | — | — | 18% | 18% | 18% | 18% |
Frequently Asked Questions
What is ALC's premarket price?
Alcon (ALC) is trading at $67.71 in premarket, down $0.42 (0.61%) from the previous close of $68.13.
Why is ALC moving in premarket?
Alcon (ALC) is down 0.61% 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 ALC premarket headlines and gap history below for the likely catalyst.
When does ALC premarket trading start?
Premarket trading for ALC on the NYSE 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 ALC fill its gaps?
Over the past 5 years, 25% of ALC gap-ups have fully filled and 25% of gap-downs have filled. Median time to fill is 14 trading days for gap-ups and 10 trading days for gap-downs.
Does ALC have any unfilled gaps?
Yes. ALC has 1 unfilled gap from the past 60 days. The largest is a -11.3% gap down from May 6, 2026 and is currently 38% retraced.
What's the average return after a ALC gap?
Based on 12 qualifying gap events over the past 5 years, the average 20-trading-day return after a ALC gap up is +3.71%, and after a gap down is +1.25%.
When does ALC report earnings?
ALC is expected to report earnings around Aug 18, 2026 after the close (estimated), with an estimated EPS of $0.79.