IBM Stock Premarket

International Business Machines Corporation
IBMNYSE • USD
248.22 USD
PREVIOUS CLOSE
🔴Market: CLOSED

Premarket trading runs 4:00 AM – 9:30 AM ET.

📅 IBM is expected to report earnings around Jan 27, 2027 after the close (estimated), with an estimated EPS of $4.63. IBM earnings details →

Gap Analytics — 5-year history, 5% minimum gap

Over the past 5 years, IBM has had 12 qualifying gap events (gaps of 5% or more at the open) — 4 gap-ups and 8 gap-downs. Gap-ups averaged +8%, 75% have fully filled, median time to fill 5 trading days. Gap-downs averaged -8.7%, 75% have fully filled, median time to fill 25 trading days. Most recent: a -22% gap down on Jul 14, 2026, still unfilled. Average 20-trading-day return after a IBM gap up: -8.96%. After a gap down: +1.39%.

Gap Ups4 events
Fill Rate
75.0%
Avg Gap
8.0%
Avg 50% Fill
10d
Avg Fill
5d
Avg 20d return after gap-up: -8.96%
Gap Downs8 events
Fill Rate
75.0%
Avg Gap
8.7%
Avg 50% Fill
21d
Avg Fill
25d
Avg 20d return after gap-down: +1.39%
Avg Gap Fill by Timeframes
Gap Ups
1 day1 week2 week4 week
fills 25%50%50%75%75%
fills 50%50%50%50%75%
fills 75%0%50%50%50%
fills 100%0%50%50%50%
Gap Downs
1 day1 week2 week4 week
fills 25%38%50%50%63%
fills 50%25%38%38%50%
fills 75%13%38%38%50%
fills 100%0%13%25%38%
Complete Gap History — 12 events
DateGap FromGap %StatusDays to 50%Days to Fill% of Gap Filled After
1 day1 week2 week4 week
2026-07-14$290.23-22.00%Open——6%6%6%24%
2026-07-09$302.05-5.37%Open1d—71%80%80%80%
2026-06-01$297.80+8.31%Filled1d5d59%100%100%100%
2026-04-23$251.86-7.78%Filled21d21d3%7%19%100%
2026-01-29$294.16+8.06%Filled1d4d61%100%100%100%
2025-10-23$287.51-7.85%Filled1d2d91%100%100%100%
2025-07-24$282.01-7.36%Filled42d45d4%22%22%22%
2025-04-24$245.48-5.83%Filled4d7d11%79%100%100%
2025-01-30$228.63+9.35%Filled35d46d14%14%15%16%
2024-10-24$232.75-5.13%Filled22d29d4%4%4%15%
2024-04-25$184.10-8.64%Filled41d54d27%27%27%46%
2024-01-25$173.93+6.34%Open19d—1%20%31%56%

Frequently Asked Questions

What is IBM's premarket price?

No premarket activity has been recorded yet for IBM today. The previous regular-session close was $248.22.

When does IBM premarket trading start?

Premarket trading for IBM 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 IBM fill its gaps?

Over the past 5 years, 75% of IBM gap-ups have fully filled and 75% of gap-downs have filled. Median time to fill is 5 trading days for gap-ups and 25 trading days for gap-downs.

Does IBM have any unfilled gaps?

No. IBM has no unfilled gap events from the past 60 days; all recent gaps have been filled.

What's the average return after a IBM gap?

Based on 12 qualifying gap events over the past 5 years, the average 20-trading-day return after a IBM gap up is -8.96%, and after a gap down is +1.39%.

When does IBM report earnings?

IBM is expected to report earnings around Jan 27, 2027 after the close (estimated), with an estimated EPS of $4.63.