Sunday, 25 July 2021

726 Point Drop (July 19 to 23)

 Recall (1721, 268), (19/23):

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The Dow held a 5 day losing streak from July 30, 2019 to August 5, 2019:

  • July 30  23.33
  • July 31  333.75
  • August 3  280.85
  • August 4  98.41
  • August 5  767.27

The largest single day change during this 5 day losing streak was 767 points on August 5th.
  • August 5th is 694 days after 9/10/'(17).
  • August 5th is 767 days before 9/10/'(21).




Joining 17 and 21 forms 1721, the 268th prime number.



August 5 is the 217th day of the year:



  • 217 is formed by merging 21 and 17.

1721 - 217 = 1504


The total change during the five day losing streak was 1504 points:

23.33 + 333.75 + 280.85 + 98.41 + 767.27  1504



Starting on March 5, 2021, the Dow held a 7 day win streak:

  • March 5  572.16
  • March 8  306.14
  • March 9  30.30
  • March 10  464.28
  • March 11  188.57
  • March 12  293.05
  • March 15  174.82

9/10 is the 253rd day of the year, leaving 112 days remaining:



4/22 is the 112th day of the year, leaving 253 days remaining:


  • The 7 day win streak ended on March 16 (16/3), 2021 (the first anniversary of the largest single day point drop in the Dow's history).
  • 4/22/'(19) is 694 days before March 16, 2021.
  • 4/22/'(23) is 767 days after March 16, 2021.





The total change during the 7 day win streak was 2029 points:

572 + 306 + 30 + 464 + 189 + 293 + 175 = 2029


2029 is the 308th prime number:



1721 is the number to which 308 must be added to reach 2029:

1721 + (308) = (2029)

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On July 19, 2021, the Dow fell 726 points in it's worst day since October.  The Dow recovered during the remainder of the week ending in net positive territory.

  • March 16 can be written 16\3.
  • 163 is the 38th prime number.
  • 125 is the number to which 38 must be added to reach 163.

From March 16 (16/3), 2021 (the first anniversary of the largest point drop in the Dow's history and the date on which the 7 day win-streak ended) to July 19, 2021 (the first day of the trading week which begins on the 19th and goes til the 23rd) is 125 days.


Consider the daily changes in the trading week from July 19 to 23.
  • 7/19 → - 726
  • 7/20  + 550
  • 7/21  + 286
  • 7/22  + 25
  • 7/23  + 238

  • The sum of the numbers from 19 to 23 is equal to 105.
  • Recall that 1721 is the 268th prime number.

105 + 268 = 373


The net-change during the trading week from July 19 to 23 was 373 points:

(- 726) + 550 + 286 + 25 + 238 = 373


  • The number prime relationship (264, 1693) is significant to each large single day point drop that has occurred since early 2018.
  • 726 = (264 + 462)
  • 550 - 286 = 264
  • 286 is formed by joining the second (28) and first (6) perfect numbers.
  • (16*93) = 1488
  • The third (496) perfect number is a divisor of 1488.
  • 496*(3) = 1488
  • 726 + 496 = (1222)
  • The 496th prime is 3541.
  • 1453 is the 231st prime.
  • 1222 is the number to which 231 must be added to reach 1453.
  • 1453 is the number to which 268 must be added to reach 1721.