Semiconductors · band window Sep 25 – Oct 2
ARM HOLDINGS PLC
Equity · US · Semiconductors
Inside the expected range. No statistical dislocation.
Price basis: 2026-09-25 US regular-session close · candle and GEX OI timestamps are shown separately on the chart.
This link opens the latest data for this symbol.
30-minute candles · US regular session (ET)
Each date uses its own weekly band · settled bands are retained
The latest weekly band is hidden because its anchor-date IV is unverified.
Click or tap the chart to see prices.
Price ($)
Shading: historic ±1σ · dots: close at or beyond the band
Prices shown 2025-09-25–2026-09-25 · 252 sessions
Sigma bands: 242/252 sessions · missing bands show price only
Anchor-date IV unverified for 10 sessions · bands and sigma hidden
| Close date | Sigma | +1W | +2W | +4W |
|---|---|---|---|---|
| +0.61σ | +4.09% | +17.19% | — | |
| +0.69σ | +5.04% | +9.33% | — | |
| −0.19σ | +5.45% | +10.77% | +29.81% | |
| −1.39σ | −1.75% | +3.60% | +13.27% | |
| −0.10σ | −12.93% | −14.45% | −5.24% | |
| +1.36σ | −1.11% | −13.89% | −10.79% | |
| −0.41σ | +17.89% | +16.58% | −0.27% | |
| −0.18σ | −7.82% | +8.68% | −6.42% | |
| −1.35σ | −2.69% | −10.29% | +4.58% | |
| +0.18σ | −17.38% | −19.60% | −12.62% | |
| −0.47σ | +2.57% | −15.25% | −23.98% | |
| −1.49σ | −5.68% | −3.25% | −22.22% |
2026-09-11 · +0.61σ after the close
Selected close = 0% · up to 4 weeks · select a date above
Close-to-close price changes, excluding dividends and costs. — means future or unavailable. Predictive value is unverified.
Dealer gamma stacked at each strike. The dashed lines are this week's ±1σ edges, so whether a thick strike and a band edge land on the same price is readable in one view.
Hedging leans against the move, so the strikes below tend to hold.
−1σ $281.43 — outside the published strike window ($282.50–$340.00), so not drawn on the ladder above.
All expirations, strikes within ±10% of spot. Open interest settles once a day, so these levels move on the same cadence as the σ band.
A daily snapshot, not a live quote. Prices are taken as the upstream feed supplies them.