SPY-T Trading 🗓️ Gap Calendar Night vs Day: the Gap Calendar Every trading day, colored by how the market moved overnight (yesterday’s close → today’s open) or intraday (open → close). Flip between the two and watch the story change. Ticker Time frame 1 year 2 years 3 years 5 years 10 years Build calendar Opened up the next day — share of all trading days Overnight total — compounding every gap Intraday total — compounding every session Avg gap / avg |gap| — per night Overnight Intraday Down Up tiers at ±0.1% / 0.35% / 0.8% / 1.5%+
SPY-T Trading