node-hkstock-holdings
Scrape HKExnews share holdings page and output JSON data.
HKExnews will return data for the previous day if the day requested is a public holiday.
If the period is greater than 30
calender days, weekly data for each Friday within the period will be used.
Note:
Date
object prototype will be extended by this package
Installation
npm install hkstock-holdings
Usage
See bin/hkstock-holdings.
Data Returned
var _result = code // code of the stock name // name of the stock // period specified by user startDate endDate // actual dates where data is retrieved // this is a subset of the input peroid (minus public holidays) period series // array with each element corresponding to data of one // parti over the period, filling missing records and have // some statistics computed, suitable for plotting;
Performance
user
field can be taken as the time spent by this (and under-lying) modules
20140211
time ./bin/hkstock-holdings 1 -t 1m -e 2014-01-31 -j
real 0m8.275s
user 0m2.512s
sys 0m0.288s
time ./bin/hkstock-holdings 700 -t 1m -e 2014-01-31 -j
real 0m8.108s
user 0m2.360s
sys 0m0.196s
20140223
time ./bin/hkstock-holdings 1 -t 1m -e 2014-01-31 -j
real 0m7.342s
user 0m2.188s
sys 0m0.164s
time ./bin/hkstock-holdings 700 -t 1m -e 2014-01-31 -j
real 0m5.460s
user 0m2.124s
sys 0m0.184s