47.51 USD
↗ 1.54 (3.35%)PRE MARKET (AS OF 05:29 AM EDT)
SW Stock Premarket
Smurfit Westrock plc
SWNYSE • USD
Market: CLOSED
Premarket trading runs 4:00 AM – 9:30 AM ET.
SW last traded at $47.51 in premarket, up $1.54 (3.35%) from its previous close of $45.97.
📅 SW is expected to report earnings around Nov 4, 2026 before the open (estimated), with an estimated EPS of $0.69. SW earnings details →
SW Premarket Chart
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, SW has had 11 qualifying gap events (gaps of 5% or more at the open) — 5 gap-ups and 6 gap-downs. Gap-ups averaged +6.4%, 80% have fully filled, median time to fill 15.5 trading days. Gap-downs averaged -6.2%, 67% have fully filled, median time to fill 10.5 trading days. Most recent: a -6.6% gap down 5 days ago, still unfilled. SW has 1 unfilled gap from the past 60 days — a -6.6% gap down on Jul 29, 2026, currently 36% retraced. Average 20-trading-day return after a SW gap up: +0.52%. After a gap down: -2.2%.
Gap Ups5 events
Fill Rate
80.0%
Avg Gap
6.4%
Avg 50% Fill
11.5d
Avg Fill
15.5d
Gap Downs6 events
Fill Rate
66.7%
Avg Gap
6.2%
Avg 50% Fill
1d
Avg Fill
10.5d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 40% | 60% | 80% | 80% |
| fills 50% | 0% | 0% | 40% | 60% |
| fills 75% | 0% | 0% | 40% | 60% |
| fills 100% | 0% | 0% | 20% | 60% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 67% | 83% | 83% | 83% |
| fills 50% | 50% | 50% | 50% | 50% |
| fills 75% | 33% | 33% | 33% | 50% |
| fills 100% | 33% | 33% | 33% | 50% |
Active Unfilled Gaps (past 60 days)
5 days ago
2026-07-29
Gap %
-6.57%
Gap From
$50.80
% vs Current
+10.51%
retraced 36% to $48.67
Complete Gap History — 11 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 5 days ago | $50.80 | -6.57% | Open | — | — | 36% | 36% | 36% | 36% |
| 2026-04-08 | $39.23 | +6.81% | Filled | 11d | 15d | 2% | 36% | 95% | 100% |
| 2026-03-23 | $36.21 | +5.72% | Filled | 28d | 41d | 39% | 39% | 39% | 39% |
| 2026-02-23 | $48.74 | -5.35% | Open | — | — | 17% | 38% | 38% | 38% |
| 2026-02-11 | $45.75 | +6.39% | Filled | 8d | 8d | 17% | 17% | 100% | 100% |
| 2025-07-30 | $48.20 | -5.35% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-05-12 | $41.90 | +7.80% | Filled | 12d | 16d | 34% | 34% | 48% | 100% |
| 2025-04-07 | $41.06 | -6.38% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-04-03 | $47.06 | -6.08% | Filled | 27d | 30d | 14% | 14% | 14% | 14% |
| 2024-10-30 | $44.71 | +5.26% | Open | — | — | 4% | 4% | 4% | 4% |
| 2024-07-31 | $46.74 | -7.38% | Filled | 1d | 20d | 71% | 71% | 71% | 100% |
Frequently Asked Questions
What is SW's premarket price?
Smurfit Westrock (SW) is trading at $47.51 in premarket, up $1.54 (3.35%) from the previous close of $45.97.
Why is SW moving in premarket?
Smurfit Westrock (SW) is up 3.35% 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 SW premarket headlines and gap history below for the likely catalyst.
When does SW premarket trading start?
Premarket trading for SW 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 SW fill its gaps?
Over the past 5 years, 80% of SW gap-ups have fully filled and 67% of gap-downs have filled. Median time to fill is 16 trading days for gap-ups and 11 trading days for gap-downs.
Does SW have any unfilled gaps?
Yes. SW has 1 unfilled gap from the past 60 days. The largest is a -6.6% gap down from Jul 29, 2026 and is currently 36% retraced.
What's the average return after a SW gap?
Based on 11 qualifying gap events over the past 5 years, the average 20-trading-day return after a SW gap up is +0.52%, and after a gap down is -2.2%.
When does SW report earnings?
SW is expected to report earnings around Nov 4, 2026 before the open (estimated), with an estimated EPS of $0.69.