ARM
Arm Holdings plc · Technology · Semiconductors
$307.49
+5.18% today · -0.91% 1W
Oct 2 close or latest
PreviewWhy it's moving
Outperforming without a clear catalyst yet
- ARM +5.18% on the last session vs SPY +0.74%: +4.4 pts of stock-specific move.
- Aftermath, big gain (Oct 2): After its 29 big gains in the past 5 years, ARM typically gained 1.2% over the next day (median) and was higher 55% of the time; half the outcomes fell between -2.2% and +4.1%. An ordinary day: +0.2%. Among S&P 500 stocks after big gains, that ranks #185 of 500.
- 0 Reddit mentions in the past 24 hours, 85% positive over the week.
- 1 insider or congressional trade in the past 30 days.
- Market backdrop (Fri): Average Hourly Earnings m/m 0.1% vs 0.3% expected (cooler); Non-Farm Employment Change 29K vs 89K expected (weaker); S&P futures +0.41%, 10-year yield -5bp in the 30 minutes after.
Assembled from Wallsti's own signals.
Best time to own ARM in the past two years
Buying and selling at the close. Each colored stretch is the best window for that holding period; the grey line is the full two years.
Best window per holding period
| Hold for | Buy | Sell | Gain | Rank |
|---|---|---|---|---|
| one single day | Apr 8, 2025 | Apr 9, 2025 | +24.2% | #16 |
| one week | May 15, 2026 | May 22, 2026 | +46.5% | #9 |
| one month | May 18, 2026 | Jun 18, 2026 | +104.3% | #7 |
| 3 months | Mar 13, 2026 | Jun 15, 2026 | +256.4% | #6 |
| 6 months | Dec 18, 2025 | Jun 18, 2026 | +287.2% | #13 |
| one year | May 30, 2025 | Jun 1, 2026 | +228.3% | #30 |
Rank #9 for one week means 8 of the S&P 500 components had a better best-one week gain over the past year. Updated .
Today vs. the best starting days
| As of | 1d | 1w | 1m | 3m | 6m | 1y |
|---|---|---|---|---|---|---|
| Today Oct 2, 2026 |
+5.2% | -0.9% | +30.9% | -2.5% | +106.2% | +102.1% |
| Best one single day Apr 8, 2025 |
-3.2% | -19.8% | -31.6% | -40.9% | -40.2% | -33.6% |
| Best one week May 15, 2026 |
-8.5% | -1.9% | +31.3% | +67.0% | +49.6% | +57.2% |
| Best one month May 18, 2026 |
+2.8% | +1.2% | +29.0% | +69.1% | +58.1% | +58.2% |
| Best 3 months Mar 13, 2026 |
+0.5% | +1.2% | -7.6% | -11.6% | -23.2% | +3.3% |
| Best 6 months Dec 18, 2025 |
-0.9% | -16.6% | -16.6% | -22.5% | -22.3% | -16.9% |
| Best one year May 30, 2025 |
-2.8% | -2.1% | +9.2% | -5.4% | -7.3% | +3.2% |
Trailing gains over each window, today and on the day each best window started, to compare today's setup with the best entries.