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The week's question
In March 2025, in the thread "Re: OT, out", Umm asked the members: "Do you think it is because America is made up of magical soil that makes businesses based in America magically profitable?" This week it is put to everyone again. The button below opens the small thread re-asking it - read what others have said so far, then give your own answer as an ordinary reply.
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Investment Strategies / Mechanical Investing
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Author: mapg ✭x2  😊 😞
Number: of 6243 
Subject: Re: Value Line Data
Date: 07/05/25 12:21 PM
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No. of Recommendations: 3
Addition of a new holiday(6/19) results with the database provided by Microsoft.

Note the odd differences of calandar days with a constant 251 mktday.
As stated before have a lot of respect for others that create database for backtesting.

W/ MktDays  @ 251 /Y               INX:Days   INX:MktDays  SPY:Days   SPY:MktDays  IJH:Days   IJH:MktDays  IJR:Days   IJR:MktDays
LookBack (adj) 9 3
1 2 1
LookBack(6Yr) 2199 2202 2200 2201 2200
Count(5y:262) MktDays 1255 1255 1255 1255
Diff(MD-BM) MktDays
0 0 0 0
MAX(5y) EndDate 03-Jul-25 03-Jul-25 03-Jul-25 03-Jul-25
DAYS(5y) Days 1828 1823 1827 1823
MIN(5y:261) StartDate()
01-Jul-20 06-Jul-20 02-Jul-20 06-Jul-20
Diff(Days-BM) Days 3 (2) 2 (2)


GD_
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Members reply directly to mapg here — and replies get answered. Reading is free; so is joining the conversation. Join Shrewd'm »
This community has written 6,227 posts about Mechanical Investing. The article-length ones it recommended most:
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