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Does the Market's Opening Move Actually Hold All Day?

NowPress play to follow along0:00 / 8:29
Chapters6 segments · tap to seek
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Breakdown

0:00lesson

Opening move persistence vs reversal

  • Opening move holds throughout the day
  • Reversal trend trades popular
  • Market most volatile near open
  • Large move defined as 050% absolute move
  • Compare market after 30 min, 1 hour, 1.5 hours
1:30lesson

Intraday volatility pattern

  • U-shaped volatility pattern
  • Most volatility in first 90 minutes
  • Volatility spikes near close
  • Lunchtime flat with less volume
  • Early traders wake up at 4:00 a.m
2:54lesson

Directional persistence after 30 minutes

  • Large up moves hold better than down moves
  • 77% up moves close up vs 66% down moves close down
  • Market tends to continue in same direction
  • Reversals still common
  • Flat sessions defined as 25% absolute move
4:23lesson

Directional reliability after 1 hour

  • Down moves more reliable than up moves
  • 72% down moves close down vs 77% up moves close up
  • Reversals become less common
  • Positive drift remains
  • Flat sessions still flat
5:54lesson

Conviction after 90 minutes

  • Large moves harder to reverse after 90 minutes
  • 76% down moves close down vs 79% up moves close up
  • Reversal risk still present
  • Positive drift remains
  • Trends more likely to hold over time
7:26lesson

Reversal timing and macro events

  • Reversals for down moves happen later than up moves
  • 30-min down moves reverse 10 min later
  • 1.5-hour down moves reverse 25 min later
  • Macro events can trigger reversals
  • Do not treat first 30 minutes as confirmation

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