GMT — Indicators and Strategies

GMT Offset, without using security fn - showcase This script is a demo of how one can avoid the use of the request.security function and get values for a number of previous day's open/high/low/close where the user can define a custom "start of the day" using the GMT input. This allows the user to be independent of the exchange timezone that the security function uses internally. Implications of this include: Suppose you want to treat the start of your day as the NZX market open which is at 2000 UTC+0 and base you indicator calculations on the NZK market midnight as opposed to the chart exchange timezone. The indicator purpose is to showcase how that can be achieved in code. If security function in the future is modified to accept a timezone parameter - obviously this code will no longer be needed as such. We do two things here: We plot the values for open high low close using the calc_ohlc_daysback as circles Then we use the f_security function to get the same values but using security and plot them using solid lines We do this both on the daily and weekly values. What we expect to see is the lines matching thus proving that the calc_ohlc_daysback works correctly as compared to security function. Note - the chart gmt default value is set to 0 which means the comparison will work correctly out of the box on exchanges that have weekend data. The script is designed to work on intraday timeframes highest being 4 hour and lowest being 3 min (programmatically the script is no bounded as sich to the intraday timeframe however if not enough data is present at a particular timeframe values needed to display the lines will be null and hence the lines will not print.) You can get the same results on other exchanges but might need to change the value of chart gmt Script does not work on exchanges that have gaps on the weekend at this time Now all of this can obviously be done with the security function - why go through the trouble? Well with security function you are bound to the timezone of the exchange you are on. Doing it this way you are no longer bound by the exchange timezone and you can effectively change the time at which the day starts independent of any exchange. Go ahead - change the GMT offset in settings Future enhancements: a) Deal with exchanges where "bar merge" is required - if possible (detect that an exchange does not have weekend data basically) b) Deal with lower timeframes if possible (on the minute timeframe there is usually not enough data in the series to calc values several weeks back) c) Make a library for this functionality - this will be optimal so one does not need to copy paste code. d) Expand library to add GMT auto adjust (specifically around DST in different countries). Today this is a challenge as no relizble way exists to extract the UTC offset from an syminfo.timezone given that syminfo.timezone returns text such as "America/New York" For example - one might have 3 session thst they want to work with. Tokio, London and New York. Tokio does not follow DST so the market session starts at the same time all year round. London observes DST but at a different time from New York. So in order to have all this in the same chart and have it auto adjust is a bit of a challenge. With the DST offset functions - this is possible to do. ( Well, that is unless the awesome TV devs push out v6 where that is build in the security function (for it to accept a timezone offset other) in which case the code here will become useless. Foot notes: This script is inspired by Traders Reality indicator by @infernixx (developed by @plasmapug with additional modifications by @infernixx and @Peshocore) Special thanks to @JayRogers for INSECURITY() which inspired the development of calc_ohlc_daysback

Traders Reality Psy Levels/Daily Open GMT Aware Traders Reality Psy Levels/Daily Open GMT Aware This indicator serves as the Tradingview equivalent of an MT4 indicator suite (Psy Levels and Daily Open) Functionality: In general we define Asia session to start with the Sydney exchange open. For all intends and purposes for this indicator Asia session is defined as the open of the NZX market and close of the ASX market according to the 24 hour market clock. The Daily Open is defined as the open of the Asia session. The Psychological High and Low are defined as the first high and first low the Asian session starting at Saturday night and going into Sunday morning. These are 2 key confluences that can be used in various strategies. These are in some sense similar to pivot points. The script is GMT ( UTC ) offset aware meaning you can adjust the start of the day to any point within the allowed GMT offsets (-12 to 14) For example if your exchange timezone is UTC+0 then the start of the Asia session starts at 2000 (UTC+0) and ends at 0400 (UTC+0) when Sydney if not in DST You will set the offset to 4. When Sydney is in DST you will set the offset to 3 Naturally since the offset allows the entire range of GMT offsets to be used you do not need to choose the Asia market as the start of the day. The default setting is set to 4 as of Nov 1st 2021 The GMT offset puts the calculation in the correct place regardless of exchange timezone so you do not need to adjust any settings when working with exchanges not on UTC+0 Psy levels works only on exchanges that are open on the weekends that provide with 24x7 data. The GMT offset puts the calculation in the correct place regardless of exchange timezone. Features: 1) Plot the current Daily Open for timeframes between 4 hour and 1 min. 2) Plot the current weekly Psychological High and Low for timeframes between 4 hour and 1 min. 3) Configurable GMT offset, default set to Sydney open (as defined above) 4) Toggle to show historical Daily Open values (line) 5) Toggle to show historical Psychological High and Low values (line) 6) Turn labels on and off 7) Change line/label colors Foot notes: Use at your own risk and your own responsibility. No guarantees are provided and no responsibility is assumed by the developers of this script. Original @plasmapug, additional edits (with permission) by @infernixx and @Peshocore INSECURITY() from @JayRogers (enhanced for gmt offset)

How To Calculate Symbol's UTC Number Various methods to calculate a symbol's timezone offset as a numerical value in hours and decimal minutes. This value may be useful to script authors in certain situations where timezone information needs to be available in a numerical format while using intraday charts. Special thanks to @LucF and TradingView Support for their efficiency advisements! NOTICE: This is an example script and not meant to be used as an actual strategy. By using this script or any portion thereof, you acknowledge that you have read and understood that this is for research purposes only and I am not responsible for any financial losses you may incur by using this script!