ARM Stock Premarket

Arm Holdings plc American Depositary Shares
ARMNASDAQUSD
398.35 USD
14.20 (3.44%)PRE MARKET (AS OF 05:29 AM EDT)
🟢Market: OPEN

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

ARM last traded at $398.35 in premarket, down $14.20 (3.44%) from its previous close of $412.55.

📅 ARM is expected to report earnings around Jul 29, 2026 after the close (estimated), with an estimated EPS of $0.34. ARM earnings details →

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

Over the past 5 years, ARM has had 38 qualifying gap events (gaps of 5% or more at the open) — 16 gap-ups and 22 gap-downs. Gap-ups averaged +8.6%, 63% have fully filled, median time to fill 3.5 trading days. Gap-downs averaged -7.5%, 91% have fully filled, median time to fill 5 trading days. Most recent: a -6% gap down 11 days ago, which filled in 7 trading days. Average 20-trading-day return after a ARM gap up: +20.85%. After a gap down: +21.85%.

Gap Ups16 events
Fill Rate
62.5%
Avg Gap
8.6%
Avg 50% Fill
1.5d
Avg Fill
3.5d
Avg 20d return after gap-up: +20.85%
Gap Downs22 events
Fill Rate
90.9%
Avg Gap
7.5%
Avg 50% Fill
3d
Avg Fill
5d
Avg 20d return after gap-down: +21.85%
Avg Gap Fill by Timeframes
Gap Ups
1 day1 week2 week4 week
fills 25%69%88%88%88%
fills 50%44%75%75%81%
fills 75%38%75%75%81%
fills 100%13%56%56%63%
Gap Downs
1 day1 week2 week4 week
fills 25%68%91%95%95%
fills 50%41%82%86%91%
fills 75%23%68%86%86%
fills 100%18%55%82%82%
Complete Gap History 38 events
DateGap FromGap %StatusDays to 50%Days to Fill% of Gap Filled After
1 day1 week2 week4 week
11 days ago$393.44-6.02%Filled6d7d17%68%100%100%
12 days ago$411.83-7.63%Filled1d8d54%54%100%100%
15 days ago$353.29+10.38%Filled4d5d24%100%100%100%
2026-05-15$228.50-6.00%Filled3d4d14%100%100%100%
2026-05-07$237.30-6.28%Filled1d10d66%66%100%100%
2026-05-06$208.84+11.09%Filled1d4d51%100%100%100%
2026-04-28$215.88-8.60%Filled3d4d40%100%100%100%
2026-04-24$204.61+8.48%Filled2d3d21%100%100%100%
2026-04-08$143.86+5.77%Open1d86%86%86%86%
2026-03-25$134.96+9.85%Open4d0%92%92%92%
2026-03-20$129.82+5.45%Open1d77%77%77%77%
2026-01-22$113.92+5.96%Filled2d5d30%100%100%100%
2025-07-31$163.32-9.17%Filled30d49d4%4%4%4%
2025-05-12$115.80+5.04%Open6%6%6%6%
2025-04-23$100.55+5.82%Open30%30%30%30%
2025-04-16$103.80-5.59%Filled1d5d64%100%100%100%
2025-04-10$106.59-7.21%Filled2d3d40%100%100%100%
2025-04-08$88.63+6.48%Filled1d1d100%100%100%100%
2025-04-07$87.71-7.74%Filled1d1d100%100%100%100%
2025-04-04$97.72-6.21%Filled1d4d61%100%100%100%
2025-04-03$108.14-6.45%Filled5d8d30%97%100%100%
2025-02-06$173.26-6.50%Open1d75%78%78%78%
2025-01-27$162.52-8.38%Filled5d5d25%100%100%100%
2025-01-23$179.93-5.30%Open0%0%37%37%
2024-10-31$154.40-5.92%Filled6d6d11%100%100%100%
2024-08-05$113.45-13.18%Filled1d1d100%100%100%100%
2024-08-02$121.51-5.57%Filled4d7d13%82%100%100%
2024-08-01$144.17-10.72%Filled17d31d40%40%40%60%
2024-07-31$132.96+7.86%Filled2d2d43%100%100%100%
2024-05-09$106.07-6.41%Filled1d1d100%100%100%100%
2024-04-24$96.04+6.21%Filled1d2d80%100%100%100%
2024-02-22$123.39+7.68%Filled13d14d46%46%46%100%
2024-02-14$119.98+11.53%Filled1d4d92%100%100%100%
2024-02-13$148.97-14.00%Filled9d9d45%45%100%100%
2024-02-09$113.89-6.94%Filled1d1d100%100%100%100%
2024-02-08$77.01+22.59%Open50d2%2%2%2%
2023-11-09$54.40-6.25%Filled4d5d31%100%100%100%
2023-09-15$63.59+7.93%Filled1d1d100%100%100%100%

Frequently Asked Questions

What is ARM's premarket price?

Arm Holdings plc American (ARM) is trading at $398.35 in premarket, down $14.20 (3.44%) from the previous close of $412.55.

Why is ARM moving in premarket?

Arm Holdings plc American (ARM) is down 3.44% 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 ARM premarket headlines and gap history below for the likely catalyst.

When does ARM premarket trading start?

Premarket trading for ARM 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 ARM fill its gaps?

Over the past 5 years, 63% of ARM gap-ups have fully filled and 91% of gap-downs have filled. Median time to fill is 4 trading days for gap-ups and 5 trading days for gap-downs.

Does ARM have any unfilled gaps?

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

What's the average return after a ARM gap?

Based on 38 qualifying gap events over the past 5 years, the average 20-trading-day return after a ARM gap up is +20.85%, and after a gap down is +21.85%.

When does ARM report earnings?

ARM is expected to report earnings around Jul 29, 2026 after the close (estimated), with an estimated EPS of $0.34. Arm Holdings is estimated to report its Q1 fiscal 2027 results on July 29, 2026. The company recently reported its Q4 and full-year fiscal 2026 results on May 6, 2026.