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Yuki,
it's in
http://groups.yahoo.com/group/amibroker/files/PLUGIN DLL/ASXtick.zip
but since you really only want the docs, here they are.
Nigel
On Mon, 3 Mar 2003 08:52 pm, Yuki Taga wrote:
> Hi Nigel,
>
> Sounds interesting, but I cannot seem to locate that particular file
> in the files section. I can't find anything at all posted by you,
> however there are a number of ASX-specific files posted, but none I
> see by the name of ASXtick.zip.
>
> Yuki
>
AmiBroker Indicator Plugin -- ASXtick.dll
Utility functions for manipulating prices in terms of ASX ticks
ASX rules for tick size.
- price <= 10c, tick is 0.1c ($0.001)
- 10c < price <= 50c, tick is 0.5c ($0.005)
- 50c < price, tick is 1c ($0.01)
Additional rules implimented in the plugin.
- price < $0.00, tick is undefined, price will be adjusted to 0.00.
- price == {Null} (AmiBroker undefined value), any {Null} input value
will cause the return to also be {Null}.
- price > $21,474,834 it's gunna give the wrong answer. I don't care!!
nrASXTICK
============
Syntax: nrASXtick(ARRAY, [delta=0], [round=0])
Returns: ARRAY
Function: Converts supplied array to legal ASX values (eg 0.103 -> 0.105)
It adds (constant) 'delta' ticks, and returns the result.
If you need to add time variant ticks, use to toticks() and
fromticks() functions. See below.
If round=0 (the default), the supplied array is rounded to the
nearest tick; if -ve, to it's floor; if +ve, to it's ceil.
Example: MAt = nrASXtick( MA(C,22) );
Rounds MA(C,22) to tick values.
Trailingstop = nrASXtick(Ref(L,-1), -2, -1);
Sets Trailingstop to 2 ticks less than yesterday's low.
(Nb. 0.105 - 2 ticks is 0.099, 1 tick of 0.005 and one of 0.001.)
nrASXTICKDIFF
=============
Syntax: nrASXtickdiff(ARRAY1, ARRAY2, [round=0])
Returns: ARRAY
Function: Converts the supplied arrays to legal ASX values and returns
the difference between them in ticks.
Example: ROCtick = nrASXtickdiff(C, Ref(C,-1)); Gives the ROC in ticks.
And nrASXtickdiff(0.75, 0.05) is
25*0.01 + 80*0.005 + 50*0.001 = 155 ticks
nrASXTOTICKS
============
Syntax: nrASXtoticks(ARRAY, [round=0])
Returns: ARRAY
Function: Converts a price array to number of ticks above 0.
Example: To calculate the stdev *measured in ticks* of close
Tickstdev = stdev(nrASXtoticks(Close), 14);
I'm not sure how statistically valid this is, but....
nrASXFROMTICKS
==============
Syntax: nrASXfromticks(array)
Returns: ARRAY
Function: Inverse of nrASXtotick(). Coverts a tick array back to prices.
Example: A psuedo-bollinger-band, based on movement in ticks.
pBBcenterT = nrASXtoticks(MA(C,20)); // MA converted to ticks
pBBstdevT = stdev(pBBcenterT, 20);
pBBtop = nrASXfromtick( pBBcenterT + (2 * pBBstdevT));
// Nb. pBBbottom will be truncated at zero. (It cannot be
-ve.)
pBBbottom = nrASXfromtick( pBBcenterT - (2 * pBBstdevT));
If the previous example is sus' this one is even more so...
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