A plaque remaining from the Big Apple Night Club at West 135th Street and Seventh Avenue in Harlem.

Above, a 1934 plaque from the Big Apple Night Club at West 135th Street and Seventh Avenue in Harlem. Discarded as trash in 2006. Now a Popeyes fast food restaurant on Google Maps.

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Entry from February 25, 2011
“All gaps eventually get filled”

Investment jargon defines a “gap” as the difference between an investment’s opening price and its prior day closing price. “All gaps (eventually) get filled/closed” means that the “gap” price difference is eventually closed, although this might not always be the case.
“All gaps must be filled (or closed)” has been cited in print since at least 1975.
The Gap Guy—Gap Glossary
Gap: The most common definition of a “gap” is the difference between an asset or instrument’s opening price and its prior day closing price.  This difference shows up visually on a technical price chart as an open space or “gap.” (Note: some traders define a gap as the difference between the prior day high or low and the next day’s opening price.)
Google Books
Getting Rich in Commodities, Currencies, or Coins Before or During the Next Depression
By Robert P. Vichas
New Rochelle, NY: Arlington House
Pg. 79:
There is a popular notion that all gaps must be filled (or closed), which means that in a subsequent rally or reaction trading takes place at prices corresponding to the “hole.” Gaps are frequently but not always filled.
Google Groups: misc.invest.stocks
Newsgroups: misc.invest.stocks
From: Gary Snyder
Date: 1996/07/16
Subject: Re: Iomega to report problems
We probably won’t live long enough to be able to prove 1 way or the other weather or not “all gaps get filled”. But I can say for sure that some of them don’t get filled for many years, sometimes decades.
Google Groups: alt.invest.penny-stocks
Newsgroups: alt.invest.penny-stocks
From: “Charles and Leslie Holubeck”
Date: 2000/02/23
I don’t know about a gap up tomorrow, but it did gap down today. The general rule is that all gaps eventually will fill.
Google Groups: misc.invest.technical
Newsgroups: misc.invest.stocks, misc.invest.technical
From: millstox

Date: Wed, 11 Jul 2001 22:41:26 -0600
Local: Wed, Jul 11 2001 10:41 pm
Subject: Re: The gap is filled…
There is a theory in technical analysis that all gaps must be filled.
Google Books
Profitable Candlestick Trading:
Pinpointing market opportunities to maximize profits

By Stephen Bigalow
New York, NY: Wiley
Pg. 162:
All windows eventually get closed or all gaps eventually get filled.
Trade2Win Forums
Dec 24, 2003, 11:37am
Re: Gap close theory
It’s supposed to be that all gaps eventually get closed - even if they don’t get closed on the day they are formed. Seems to work, but there’s no indication of exactly how long you would have to wait.
There are lots of different types of gaps - some stocks gap as a matter of course, others do so periodically and these are the ones to pay attention to.
Google Books
Mastering Technical Analysis:
Using the tools of technical analysis for profitable trading

By John C. Brooks
New York, NY: McGraw-Hill
Pg. ?:
Gaps don’t have to be filled. The point is that most gaps on charts are filled rather quickly. But there is no hard-and-fast rule that says all gaps must be filled.
Google Books
Technical Analysis of Stock Trends
By Robert Davis Edwards, John Magee and W. H. C. Bassetti
CRC Press
Pg. 226:
This, incidentally, upsets the common superstition that all gaps must be closed before the trend can be trusted to continue very far.
The Gap Guy
How Long For Open Gaps to Fill?
Friday, October 17, 2008 at 4:46PM
One of the common perceptions about the markets is that “all gaps eventually get filled.”  This is probably true, though I’ve never tested it.
June 18, 2009, 1:53 pm
Ghost Jams
June 18, 2009
9:30 pm
I’m with Tracey. I have called it the Slinky effect. Or in Investment jargon, Gap theory…all gaps get filled. (my belief)
— Davidred
Options In Focus: Net-Net It’s Logical
By CHRIS TYLER, Optionetics.com Analyst
Posted 02/03/2011 05:25 PM ET
According to Investor’s Business Daily’s own set of sell rules, this type of movement in shares is considered extended and makes a stock prone to profit-taking and perhaps even corrective action. As much and with attached gains of nearly 80% since channel construction began in August; I’d rather not wait to see whether or not the old Wall Street adage of “all gaps eventually get filled” becomes a reality in the immediate future.
Wall Street’s Thursday Lunch Options
Chris Tyler, Optionetics.com
February 3, 2011
Personally, if any initiating buyers were already “in it, to win it”, I can’t fault allocating a percentage of profits into a stock substitution strategy with a long call as premiums are now nicely i.e. very fairly priced on a relative trading range basis. For others though, I’d rather take the road less traveled than the prevailing high road north, hope it holds but find the adage of “all gaps eventually get filled” receive quick confirmation.
Smallcap Network
Microcap Stocks With Resilient Technicals
By Don Seal
Published: February 14, 2011 7:55:00 AM PST
Chartists say that all gaps eventually get filled, but this one is refusing to follow that reasoning.

Posted by Barry Popik
New York CityBanking/Finance/Insurance • Friday, February 25, 2011 • Permalink

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