SPY intraday moves ≥1.5% · catalysts · 0DTE 3¢ strangle

Events per year

Main news driver (events with researched news)

SPY 1-minute (SIP)

Grey = pre/post market. Dashed = official open and ±1.5% from open. ▲▼ = measured peak/valley of the largest swing.

Day facts

0DTE legs bought at ≤$0.03 (rule P30)

Opening ladder 09:30–10:00: lowest print per strike

Catalysts

Path from the open (%), regular session

Predeclared rule (spec_frozen.json): a condition is a candidate only if lift > 1.5× in BOTH train (2016–2022) and test (2023–2026) with ≥20 test days. Univariate; conditions overlap heavily (high VIX, below 200d, negative gamma cluster together).

Prior VIX × big scheduled release (2016–2026)

Strangle win-rate lift by condition (train 2024 / test 2025–26)

Cumulative P&L, $600/day (100 calls + 100 puts at $0.03)

By year

Concentration

Every trading day