⛓ SPXW 0DTE Chain — strike ±10, every 30 seconds

Snapshots recorded by the poller every 30 seconds during market hours (9:30–16:00 ET). Δ5m / Δ15m / Δ30m = premium change vs the closest snapshot that far back. Green ≥ +100% marks a premium doubling — the pattern under study. Red ≤ −50% marks a premium halving. Read-only: nothing here touches orders.

← 2026-10-28 2026-10-29 → 2026-10-30 734 snapshots · as of 15:59 ET · spot 7720.93 · 5 strikes
Strike Calls Puts
bid×askmidΔ5mΔ15mΔ30m midbid×askΔ5mΔ15mΔ30m
7710 8.3×10.0 9.15 +20.4% +341.0% +223.9% 0.025 0.0×0.05 -95.7% -99.5% -99.5%
7715 3.7×5.0 4.35 +14.5% +500.0% +234.6% 0.025 0.0×0.05 -98.6% -99.7% -99.7%
7720 0.15×0.45 0.3 -78.6% +9.1% -45.5% 0.975 0.7×1.25 -77.3% -92.7% -92.2%
7725 0.0×0.05 0.025 -93.3% -80.0% -88.9% 5.5 5.0×6.0 -33.3% -69.1% -68.0%
7730 0.0×0.05 0.025 -80.0% -66.7% -80.0% 11.0 9.9×12.1 -15.7% -52.5% -50.1%