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Topic: BitcoinWisdom.com - Live Bitcoin/LiteCoin Charts - page 67. (Read 502630 times)

sr. member
Activity: 411
Merit: 250
Please swap bitstamp with bitfinex on the top bar.
agree
full member
Activity: 358
Merit: 118
Hi,

I've recently done a bit of research and programming related to Parabolic SAR.   It seems that the SAR calculation you're using is the one described at stockcharts.com:

....

litepresence
Because TradingView's EP setting doesn't work well for Bitcoin which has high volatility. I use highest/lowest price of 4 candlesticks as EP instead of 2 or whole period. It's custom parameter in design, 0 for EP of period, 2 for Stockcharts and 4 is default. But there are too many parameters already and all of them are saved in cookie, to prevent increasing cookie size, I didn't add the parameters entry.


Thanks for your response.  In my next release of my custom Python SAR for Tradewave.net I will include an input variable for lookback period and take your recommendation that 0 = MAX of previous period. 

LP
hero member
Activity: 602
Merit: 505
In the Huobi BTC/CNY chart, 30m or smaller intervals: when the cursor is over the order book plot, the text that shows cost and receive ends with "The average ... SATOSHI/BTC" instead of "... CNY/BTC".
Thank you for reporting. the bug is fixed.
hero member
Activity: 602
Merit: 505
Hi,

I've recently done a bit of research and programming related to Parabolic SAR.   It seems that the SAR calculation you're using is the one described at stockcharts.com:

....

litepresence
Because TradingView's EP setting doesn't work well for Bitcoin which has high volatility. I use highest/lowest price of 4 candlesticks as EP instead of 2 or whole period. It's custom parameter in design, 0 for EP of period, 2 for Stockcharts and 4 is default. But there are too many parameters already and all of them are saved in cookie, to prevent increasing cookie size, I didn't add the parameters entry.
newbie
Activity: 51
Merit: 0
I've come across links to charts that I can't find on the bitcoinwisdom site directly.

such as

https://bitcoinwisdom.com/markets/bitfinex/drkusd
https://bitcoinwisdom.com/markets/bitfinex/drkbtc
https://bitcoinwisdom.com/markets/bter/nxtcny 
https://bitcoinwisdom.com/markets/bter/nxtbtc


Are there more charts like these that are not listed on bitcoinwisdom, and where can I find them?





hero member
Activity: 910
Merit: 1003
In the Huobi BTC/CNY chart, 30m or smaller intervals: when the cursor is over the order book plot, the text that shows cost and receive ends with "The average ... SATOSHI/BTC" instead of "... CNY/BTC".
full member
Activity: 358
Merit: 118
Hi,

I've recently done a bit of research and programming related to Parabolic SAR.   It seems that the SAR calculation you're using is the one described at stockcharts.com:

Quote
'''
    RISING SAR >>>>>>>>>>>>>>>>>>>>>>>>>>>>

    Prior SAR: The SAR value for the previous period.

    Extreme Point (EP): The highest high of the current uptrend.

    Acceleration Factor (AF): Starting at .02, AF increases by .02 each
    time the extreme point makes a new high. AF can reach a maximum
    of .20, no matter how long the uptrend extends.

    Current SAR = Prior SAR + Prior AF(Prior EP - Prior SAR)

    The Acceleration Factor is multiplied by the difference between the
    Extreme Point and the prior period's SAR. This is then added to the
    prior period's SAR. Note however that Rising SAR can never be above the
    prior two periods' lows. Should SAR be above one of those lows, use
    the lowest of the two for SAR.


    FALLING SAR >>>>>>>>>>>>>>>>>>>>>>>>>>>>

    Prior SAR: The SAR value for the previous period.

    Extreme Point (EP): The lowest low of the current downtrend.

    Acceleration Factor (AF): Starting at .02, AF increases by .02 each
    time the extreme point makes a new low. AF can reach a maximum
    of .20, no matter how long the downtrend extends.

    Current SAR = Prior SAR - Prior AF(Prior SAR - Prior EP)

    The Acceleration Factor is multiplied by the difference between the
    Prior period's SAR and the Extreme Point. This is then subtracted
    from the prior period's SAR. Note however that Falling SAR can never be
    below the prior two periods' highs. Should SAR be below one of
    those highs, use the highest of the two for SAR.
    '''


"use the highest/lowest of the two for SAR"

I think that's incorrect and if you look at google images:

https://www.google.com/search?q=parabolic+sar&source=lnms&tbm=isch

You'll see that on SAR crossing MOST other professional charting engines including metatrader, talib, and tradingview are actually using the extreme price (EP) from the previous period as the new starting SAR and not the "highest/lowest of the two".   You still use the max of the two to determine IF you cross... but not the new starting VALUE when you cross.

Here's your method:



and here's what I'm talking about:





I recently programmed a custom SAR indicator without the use of TA-lib for tradewave.net and documented some web research on the subject.  Please have a read, python code is included:

https://discuss.tradewave.net/t/parabolic-sar-custom-without-ta-lib/220/10

If you sign up for tradewave (its free) you can see how my code plots on their backtesting engine.  In that thread I have included code for both your method (using max of last two candles as starting point on cross) and the method using EP.



It would be my suggestion that you consider changing your SAR calculation to reverse to previous period extreme point (EP) as it is the more common usage in the financial industry.    Thanks for consideration.   Also, if you have any solid research on why you should be using your method vs the EP method I'm very interested in citation/reference.


Also... much thanks for updating your main page many moons back from including BTCChina as the primary chinese exchange to Huobi as I suggested.

One last thing... I'm not sure what language your site is built with... but I have recently released python versions of about 30 custom indicators at tradewave.net  You might be interested:

https://discuss.tradewave.net/category/code-examples/indicators


well... one more last thing Smiley

why no links to any of the hidden markets you have on your site like:

https://bitcoinwisdom.com/markets/mintpal/myrbtc Myriadcoin
https://bitcoinwisdom.com/markets/mintpal/wcbtc Whitecoin
https://bitcoinwisdom.com/markets/mintpal/drkbtc Darkcoin
https://bitcoinwisdom.com/markets/mintpal/bcbtc Blackcoin
https://bitcoinwisdom.com/markets/mintpal/caibtc CAIshen
https://bitcoinwisdom.com/markets/mintpal/cinnibtc Cinnicoin
https://bitcoinwisdom.com/markets/mintpal/fltbtc Fluttercoin
https://bitcoinwisdom.com/markets/mintpal/zetbtc Zetacoin
http://bitcoinwisdom.com/markets/btce/xpmbtc.
https://bitcoinwisdom.com/markets/cryptsy/drkbtc
http://bitcoinwisdom.com/markets/cryptsy/vtcbtc
http://bitcoinwisdom.com/markets/cryptsy/qrkbtc



Is there a fulll list anywhere?  Maybe a set of links in the OP of this thread?




As always great work on your site, I check in daily!


litepresence
newbie
Activity: 1
Merit: 0
Please add Mintcoin!
newbie
Activity: 2
Merit: 0
Finally an Alarm !! Waiting so long for this. But it´s not working on Safari 7.0.4 (9537.76.4) OSX. Any Idea why ? Chrome works just great...
newbie
Activity: 7
Merit: 0
Love the new alarm feature! Super easy to use.
https://i.imgur.com/kLsVVjz.png?1

One request, can we submit to record new market chart? Maybe a feature for pro user.
sr. member
Activity: 458
Merit: 250
Please, add MintCoin.
sr. member
Activity: 322
Merit: 250
Vericoin in the hizzouse.
hero member
Activity: 826
Merit: 1000
see my profile
please start recording VRC data from mintpal

3256BTC https://bitcoinwisdom.com/markets/mintpal/vrcbtc (https://www.mintpal.com/market/VRC/BTC)

And here are some more coins of those that you don't support yet, in decreasing currently highest volumes:
45BTC LTC https://bitcoinwisdom.com/markets/mintpal/ltcbtc (https://www.mintpal.com/market/LTC/BTC)
22BTC POT https://bitcoinwisdom.com/markets/mintpal/potbtc (https://www.mintpal.com/market/POT/BTC)
18BTC C2 https://bitcoinwisdom.com/markets/mintpal/c2btc (https://www.mintpal.com/market/C2/BTC)
14BTC VTC https://bitcoinwisdom.com/markets/mintpal/vtcbtc (https://www.mintpal.com/market/VTC/BTC)
as you already support mintpal, that should be relatively easy?



Secondly, what about Poloniex? https://www.poloniex.com/api
Have a look, there are even ready made wrappers for Python and PHP.

These are the top volumes:
136BTC VRC https://bitcoinwisdom.com/markets/poloniex/drkbtc (https://www.poloniex.com/exchange/btc_vrc)
87BTC SC https://bitcoinwisdom.com/markets/poloniex/scbtc (https://www.poloniex.com/exchange/btc_sc)
52BTC XMR https://bitcoinwisdom.com/markets/poloniex/xmrbtc (https://www.poloniex.com/exchange/btc_xmr)
37BTC XHC https://bitcoinwisdom.com/markets/poloniex/xhcbtc (https://www.poloniex.com/exchange/btc_xhc)
35BTC ENC https://bitcoinwisdom.com/markets/poloniex/encbtc (https://www.poloniex.com/exchange/btc_enc)
31BTC DRK https://bitcoinwisdom.com/markets/poloniex/drkbtc (https://www.poloniex.com/exchange/btc_drk)



Thirdly, the top volume bittrex coins:
They have a well documented API https://bittrex.com/Home/Api and provide e.g. a go wrapper

175BTC CLOAK https://bitcoinwisdom.com/markets/bittrex/cloakbtc (https://bittrex.com/Market/?MarketName=BTC-CLOAK)
156BTC VRC https://bitcoinwisdom.com/markets/bittrex/vrcbtc (https://bittrex.com/Market/?MarketName=BTC-VRC)
83BTC XHC https://bitcoinwisdom.com/markets/bittrex/xhcbtc (https://bittrex.com/Market/?MarketName=BTC-XHC)
55BTC AXIS https://bitcoinwisdom.com/markets/bittrex/axisbtc (https://bittrex.com/Market/?MarketName=BTC-AXIS)
53BTC SC https://bitcoinwisdom.com/markets/bittrex/scbtc (https://bittrex.com/Market/?MarketName=BTC-SC)


Thanks for your amazing platform. I wish you all the best!
sr. member
Activity: 336
Merit: 250
Nice! Sound alarm  Grin Grin

What about changing the high price alarm to this sound:
http://www.youtube.com/watch?v=iFubmEcqtC4

And the low price sound with the combination of these:
http://www.policeinterceptor.com/sounds/555klaxon.wav
http://www.policeinterceptor.com/sounds/555col.wav

 Grin
The sound license is unknown, Also I prefer the sound without mood. so it won't be changed.
Oops! I guess they don't allow direct links. here:

http://wikisend.com/download/500652/555klaxon.wav
http://wikisend.com/download/314794/555col.wav
hero member
Activity: 602
Merit: 505
Nice! Sound alarm  Grin Grin

What about changing the high price alarm to this sound:
http://www.youtube.com/watch?v=iFubmEcqtC4

And the low price sound with the combination of these:
http://www.policeinterceptor.com/sounds/555klaxon.wav
http://www.policeinterceptor.com/sounds/555col.wav

 Grin
The sound license is unknown, Also I prefer the sound without mood. so it won't be changed.
sr. member
Activity: 336
Merit: 250
Nice! Sound alarm  Grin Grin

What about changing the high price alarm to this sound:
http://www.youtube.com/watch?v=iFubmEcqtC4

And the low price sound with the combination of these:
http://www.policeinterceptor.com/sounds/555klaxon.wav
http://www.policeinterceptor.com/sounds/555col.wav

 Grin
hero member
Activity: 672
Merit: 500
Will you add VRC anytime soon?
Sorry, currently we are not going to support more altcoin.

That's disappointing. But if your not supporting more altcoins then what will you be supporting?

Seems to me that the altcoin market has the most activity.
hero member
Activity: 602
Merit: 505
Will you add VRC anytime soon?
Sorry, currently we are not going to support more altcoin.
sr. member
Activity: 364
Merit: 250
Please add Mintcoin.

+1 mintcoin is here for the long term.
hero member
Activity: 613
Merit: 500
Mintcoin: Get some
Please add Mintcoin.
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