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MTG Opening Gap Rules
Due to large changes in overnight supply or demand, both the major
market indices and individual stocks will often open much higher
or lower than where they closed the previous day, which is known
as a "gap." Buying or selling short a stock that hits its trigger
price due to an opening gap is sometimes riskier than entering a
stock that trades through its trigger price in an orderly fashion.
Likewise, open positions will sometimes gap open beyond their stop
prices, but immediately reverse back in the right direction. Therefore,
MTG has instituted the following rules to manage positions that
gap open beyond their trigger or stop prices. This article explains
how MTG treats opening gaps, but is not to be construed as advice
or a recommendation of a specific strategy.
- Stocks that gap open beyond their trigger prices: For
a long setup, MTG only buys the stock if it subsequently sets
a new high after the first 20 minutes of trading. For a short
setup, MTG only sells short the stock if it subsequently sets
a new low after the first 20 minutes of trading. In both cases,
the stock must exceed its 20-minute high (for longs) or 20-minute
low (for shorts) by at least 10 cents before MTG will enter the
position. Also, any opening gap of less than 10 cents above or
below the trigger price will not prompt use of the gap rules.
- Stocks that gap open beyond their stop prices: If a long
position gaps down to open at or below its stop price, MTG continues
to hold the stock for the first 20 minutes of trading, at which
point the new stop price is adjusted to 10 cents below the low
of the first 20 minutes. For short positions, MTG adjusts the
stop to 10 cents above the high of the first 20 minutes.
The above rules summarize how
we typically manage gaps, and are designed to keep you out of trouble
by preventing you from entering or closing a trade at the worst
price of the day. However,
just like every other rule in trading, there are always exceptions
to these rules that will enable experienced traders to occasionally
deviate from these rules with high success rates.
These are nuances that cannot be taught, but can only be
learned through experience. MTG follows these rules every day unless an
explanation is provided to subscribers otherwise. These rules are designed to avert major losses,
which is much more important than whether you leave some profit
on the table or not. Here
are the different ways the opening gap rule applies to trades, in
more detail:
4
parts to the opening gap rule - This rule is applied in the
event of a significant gap up or gap down in the market that causes
an ETF setup to trigger immediately on the open due to an opening
gap. The purpose of this
rule is to prevent us from entering a long play at the top of the
gap and watching it immediately collapse or vice versa. The two parts of this rule are as follows:
1.)
If an ETF hits its trigger price due to an opening
gap, do not enter the position until the ETF trades through the
high of the first twenty minutes (or the low of the first twenty
minutes if you are looking to short). For example, lets assume the plan is to buy
SMH if it trades above 24.55 today.
Due to positive news that occurred overnight, the broad market
gaps up and SMH opens at 24.67, which is 12 cents above the trigger
price. After opening, the highest price that SMH trades within the
first twenty minutes of trading is 24.79.
This means that, despite the fact that the trigger price
was only 24.55, you do NOT enter the trade on the open, and you
only enter this trade if it trades above 24.79 AFTER twenty minutes
of trading. Even though this
sometimes results in paying a higher price for the trade, the probability
of the ETF going higher is statistically much greater because stocks
that set new highs after their first twenty minutes of trading typically
go much higher. However, if the stock is unable to break above
its 20-minute high, the opening gap will often represent the highest
price the stock will trade that day, which is why you do not want
to buy a gap up beyond its trigger price UNLESS it breaks the 20-minute
high. This rule prevents losses time and time again
by preventing you from entering a high-risk trade. When entering a trade that has broken above
its opening 20-minute high (or low), you should tighten the initial
stop loss to a price that is usually equal to 20 cents below the
low of the morning (or high of the morning if you are short).
It is important to raise the stop because you are entering
the trade at a higher price than initially anticipated.
2.)
On some occasions, a trade triggers on the open and
fails to set a new high, butconsolidates
by trading sideways near the intraday highs of the first 20 minutes.
If other market internals
such as volume, advance/decline line, and the Tick are strong, MTG
will sometimes enter a trade despite the fact it has not yet broken
the high of the first twenty minutes.
When doing so, the stop is typically set about 10 cents below
the low of the day (gap up) which reduces the risk of entering.
Buying without a break of the 20-minute opening high or selling
short without a break of the 20-minute opening low is a riskier
and more advanced type of trade that beginning traders may wish
to forgo.
3.)
If there is an opening gap of 1% or more in the direction
of a trade held overnight, MTG usually closes half of the position
immediately on the open to lock in profits and easy money with at
least a 1% gain. Otherwise,
the gap can quickly reverse going into the 9:50
am reversal period, causing profits to disappear.
It is important to note that half of the position is kept
open because it often will realize even larger profits on the second
half of the shares if the trend continues in the direction of the
gap later that morning. When keeping half of the share size open after
a large opening gap, you should typically tighten the stop to just
above or just below the high or low of the day (as explained above).
4.)
In the event that the market has a large gap in the
OPPOSITE direction of a trade you held overnight and causes your
trade to be stopped out due to an opening gap, you should consider
handling as follows: If you
are long, let the stock or ETF trade for five minutes before selling
it and taking the loss. After the first five minutes of trading, mark
the low price that was set during the first five minutes. If the trade subsequently trades below that
five minute low, immediately cut the loss on the whole position. However, if the trade never violates the five-minute
low, hold the trade and watch for a bounce into the 9:50 am reversal period, which you also mark so
that you know what the 20-minute high price is.
If the trade now heads south, cut the loss by selling into
the bounce near the 20-minute high.
However, if the trade takes out the 20-minute high, you can
continue to trail a stop higher.
The purpose of this rule is not to prevent taking a loss
(because you will usually still have a loss), but rather to minimize
the loss by waiting for a better opportunity to sell into a rally.
If the rally never comes, get out when the 5-minute low is
violated. Statistically,
it is worth the risk to wait out the first five minutes because
stocks will usually have at least an initial bounce if they get
whacked on the open. Obviously,
the inverse of this rule applies if you are short.
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