Opening implied volatility against the previous close and the weekly level, so you know before your first trade whether the day is likely to move.

Screenshot from the Dojo demo, with demo data.
The at-the-money implied volatility of SPY at the open and near the close, the previous day's readings, the weekly level and a 20 day trend line, calculated from option prices on your own data key.
When the open prints well above the previous close, the card flags that volatility is building: expect a wider range and faster moves, and consider smaller size and a strict cutoff. A calm open reads as calm.
The gauge does not tell you what to trade. It tells you what kind of day you are walking into so your plan fits it.
See six 0DTE contracts on SPY, SPX or QQQ and what each would be worth after a move up or down, or after time passes with no move at all.
FOMC, CPI, PPI, the jobs report, GDP, PCE and options expiration are marked on the calendar and in your daily plan.
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