⛓ 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.

2026-09-24 → 2026-09-25 741 snapshots · as of 15:59 ET · spot 7704.21 · 5 strikes
Strike Calls Puts
bid×askmidΔ5mΔ15mΔ30m midbid×askΔ5mΔ15mΔ30m
7695 9.7×10.2 9.95 -37.6% -15.3% -16.4% 0.025 0.0×0.05 -66.7% -94.7% -97.4%
7700 4.7×6.0 5.35 -51.6% -27.7% -32.3% 0.025 0.0×0.05 -88.9% -97.7% -98.7%
7705 0.6×0.8 0.7 -89.2% -81.8% -85.3% 0.575 0.55×0.6 -20.7% -77.7% -83.8%
7710 0.0×0.05 0.025 -99.1% -98.5% -99.0% 4.75 4.4×5.1 +131.7% -11.2% -25.2%
7715 0.0×0.05 0.025 -97.1% -96.0% -97.9% 9.7 8.5×10.9 +84.8% +4.3% -3.0%