⛓ 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.

← 2026-10-08 2026-10-09 → 2026-10-12 732 snapshots · as of 15:59 ET · spot 7810.555 · 5 strikes
Strike Calls Puts
bid×askmidΔ5mΔ15mΔ30m midbid×askΔ5mΔ15mΔ30m
7800 10.0×11.8 10.9 -3.1% -17.7% -36.4% 0.025 0.0×0.05 -66.7% -85.7% -88.9%
7805 5.1×6.5 5.8 -7.9% -31.0% -52.8% 0.025 0.0×0.05 -88.9% -92.3% -92.3%
7810 0.5×1.0 0.75 -65.5% -81.7% -90.3% 0.125 0.1×0.15 -87.8% -87.8% -83.3%
7815 0.0×0.05 0.025 -93.3% -98.1% -99.4% 4.35 3.7×5.0 +1.2% +33.8% +120.3%
7820 0.0×0.05 0.025 -66.7% -92.3% -98.4% 9.35 8.7×10.0 +5.6% +29.9% +101.1%