⛓ 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.

← 2026-10-19 2026-10-20 → 2026-10-21 729 snapshots · as of 15:59 ET · spot 7710.35 · 5 strikes
Strike Calls Puts
bid×askmidΔ5mΔ15mΔ30m midbid×askΔ5mΔ15mΔ30m
7700 9.9×12.2 11.05 -0.9% +1.4% +25.6% 0.025 0.0×0.05 -80.0% -96.0% -98.4%
7705 4.2×6.7 5.45 -14.8% -16.2% +3.8% 0.025 0.0×0.05 -93.3% -98.3% -99.1%
7710 1.2×1.7 1.45 -43.1% -57.4% -45.3% 0.175 0.1×0.25 -88.5% -94.4% -96.7%
7715 0.0×0.05 0.025 -95.7% -98.0% -97.8% 3.8499999999999996 3.6×4.1 -15.4% -36.9% -56.3%
7720 0.0×0.05 0.025 -80.0% -94.4% -94.1% 9.5 9.0×10.0 +4.4% -8.7% -27.5%