ARM Stock Premarket

Arm Holdings plc American Depositary Shares
ARMNASDAQUSD
260.94 USD
0.59 (0.23%)PRE MARKET (AS OF 05:29 AM EDT)
🟢Market: OPEN

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

ARM last traded at $260.94 in premarket, down $0.59 (0.23%) from its previous close of $261.53.

📅 ARM is expected to report earnings around Nov 4, 2026 after the close (estimated), with an estimated EPS of $0.48. ARM earnings details →

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

Over the past 5 years, ARM has had 49 qualifying gap events (gaps of 5% or more at the open) — 23 gap-ups and 26 gap-downs. Gap-ups averaged +8.2%, 74% have fully filled, median time to fill 3 trading days. Gap-downs averaged -7.3%, 88% have fully filled, median time to fill 5 trading days. Most recent: a -5.3% gap down on Aug 18, 2026, which filled in 16 trading days. Average 20-trading-day return after a ARM gap up: +8.52%. After a gap down: +14.67%.

Gap Ups23 events
Fill Rate
73.9%
Avg Gap
8.2%
Avg 50% Fill
1d
Avg Fill
3d
Avg 20d return after gap-up: +8.52%
Gap Downs26 events
Fill Rate
88.5%
Avg Gap
7.3%
Avg 50% Fill
2d
Avg Fill
5d
Avg 20d return after gap-down: +14.67%
Avg Gap Fill by Timeframes
Gap Ups
1 day1 week2 week4 week
fills 25%74%87%91%91%
fills 50%52%78%78%87%
fills 75%43%78%78%87%
fills 100%17%65%65%74%
Gap Downs
1 day1 week2 week4 week
fills 25%65%92%96%96%
fills 50%42%85%88%92%
fills 75%19%69%85%85%
fills 100%15%54%77%81%
Complete Gap History 49 events
DateGap FromGap %StatusDays to 50%Days to Fill% of Gap Filled After
1 day1 week2 week4 week
22 days ago$271.43-5.32%Filled2d16d10%76%76%100%
2026-08-04$239.06+6.00%Filled12d15d16%16%40%100%
2026-07-31$241.54+7.21%Filled1d1d100%100%100%100%
2026-07-30$224.89+14.72%Filled1d3d77%100%100%100%
2026-07-28$266.33-5.01%Filled3d3d5%100%100%100%
2026-07-21$269.61+5.88%Filled1d4d69%100%100%100%
2026-07-09$300.24+6.02%Filled3d3d40%100%100%100%
2026-07-07$322.24-5.06%Filled1d3d55%100%100%100%
2026-06-25$359.08+5.76%Filled1d1d100%100%100%100%
2026-06-23$407.72-9.25%Open1d52%52%52%52%
2026-06-18$418.88+5.10%Filled1d2d78%100%100%100%
2026-06-05$393.44-6.02%Filled6d7d17%68%100%100%
2026-06-04$411.83-7.63%Filled1d8d54%54%100%100%
2026-06-01$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 $260.94 in premarket, down $0.59 (0.23%) from the previous close of $261.53.

Why is ARM moving in premarket?

Arm Holdings plc American (ARM) is down 0.23% 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, 74% of ARM gap-ups have fully filled and 88% of gap-downs have filled. Median time to fill is 3 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 49 qualifying gap events over the past 5 years, the average 20-trading-day return after a ARM gap up is +8.52%, and after a gap down is +14.67%.

When does ARM report earnings?

ARM is expected to report earnings around Nov 4, 2026 after the close (estimated), with an estimated EPS of $0.48.