ARMArm Holdings plc
What is the market doing?
No clear lean: rangebound and insiders net selling (often routine).
Choppy, but holding above its 200-day average. Price is +27% vs its 200-day average.
Insiders were net sellers over the 90 days ending Oct 8, 2026; selling is often routine (taxes, diversification).
Lightly shorted, settled Sep 15, 2026, about a week of normal trading to cover. Down 7.3% since the previous count, down from 1.5% of shares outstanding three months ago.
Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.
How ARM is trading
Arm Holdings plc is +86% over the past year while the S&P 500 is +18%: 68 points ahead of the market.
1-year return · S&P 500 +18%
- vs 200-day average
- +27%
vs 200-day average · a clear uptrend
- RSI (14)
- 31
RSI (14) · neutral
- Below its 52-week high
- 39%
Below its 52-week high
Details›
- Last close2026-10-09
- $266.33
- 1 monthS&P 500 +2.7%
- +5.0%
- 1 yearS&P 500 +18%
- +86%
- vs 50-day average$270.01
- −1.4%
- 52-week high
- $439.46
- 52-week low
- $104.55
- Annualised volatility
- 71%
- Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08
- −$43M
| Year | Return |
|---|---|
| 2026 (year to date) | +144% |
| 2025 | −11% |
| 2024 | +64% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 3 | 1 of 3 | +6.6% |
| Feb | 3 | 2 of 3 | +34% |
| Mar | 3 | 1 of 3 | −3.9% |
| Apr | 3 | 2 of 3 | +8.9% |
| May | 3 | 3 of 3 | +32% |
| Jun | 3 | 2 of 3 | +21% |
| Jul | 3 | 0 of 3 | −18% |
| Aug | 3 | 0 of 3 | −3.7% |
| Sep | 3 | 3 of 3 | +9.9% |
| Oct | 4 | 1 of 4 | +0.71% |
| Nov | 3 | 1 of 3 | −0.12% |
| Dec | 3 | 1 of 3 | −1.8% |
End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.