Power · band window Sep 25 – Oct 2
VISTRA
Equity · US · Power · AI Power Demand · Power Generation
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: 247/252 sessions · missing bands show price only
Anchor-date IV unverified for 5 sessions · bands and sigma hidden
| Close date | Sigma | +1W | +2W | +4W |
|---|---|---|---|---|
| −0.89σ | −1.57% | — | — | |
| −0.12σ | −5.20% | −6.69% | — | |
| +1.78σ | −0.62% | −5.78% | — | |
| +0.11σ | +8.91% | +8.24% | +1.00% | |
| −1.48σ | +0.65% | +9.61% | +3.27% | |
| +0.83σ | −8.05% | −7.45% | +0.17% | |
| −0.51σ | +5.36% | −3.12% | +6.20% | |
| −1.40σ | −5.13% | −0.04% | −7.49% | |
| +0.72σ | −9.30% | −13.95% | −16.63% | |
| −0.29σ | +5.11% | −4.66% | −4.70% | |
| +0.72σ | −2.15% | +2.85% | −11.50% | |
| −1.16σ | +5.17% | +2.91% | −1.89% |
2026-09-18 · −0.89σ 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 runs with the move, so levels break faster than they hold.
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.