Built-in variables

These names resolve to a series without being called. Prices and volume come from the bars currently loaded on the chart.

Name	Meaning
`CLOSE, C`	Close price.
`OPEN, O`	Open price.
`HIGH, H`	High price.
`LOW, L`	Low price.
`VOL, V`	Volume.
`AMOUNT, AMO`	Turnover.
`ISUP / ISDOWN / ISEQUAL`	1 when the bar closes up / down / flat.
`TR`	True range of the bar.
`DRAWNULL, NULL`	The invalid value. Assign it to hide a point on a line.
`CURRBARSCOUNT`	Number of bars from this bar to the last bar.
`TOTALBARSCOUNT`	Total number of bars loaded.
`BARPOS`	1-based index of the bar from the start of the data.
`ISLASTBAR`	1 on the most recent bar only.
`BARSTATUS`	1 = first bar, 2 = last bar, 0 = anywhere in between.
`PERIOD`	Timeframe code: 0 day, 1 week, 2 month, 3 year, 9 quarter, 4 1-min, 5 5-min, 6 15-min, 7 30-min, 8 60-min, 11 tick-level.
`DATE`	Bar date as YYYYMMDD minus 19000000.
`DATETIME`	Combined date and time value.
`TIME`	Bar time as HHMMSS.
`YEAR / MONTH / DAY`	Calendar parts of the bar.
`HOUR / MINUTE`	Clock parts of the bar.
`WEEK, WEEKDAY`	Day of week, 0 = Sunday.
`CODE`	Symbol code as a string.
`STKNAME`	Symbol name as a string.
`FROMOPEN`	Minutes elapsed since the session open.
`TOTALFZNUM`	Total trading minutes in the session.
`MACHINEDATE`	The local machine date, in the same encoding as DATE.
`MACHINETIME`	The local machine clock time as HHMMSS.
`MACHINEWEEK`	The local machine day of week, 0 = Sunday.
`TIME2`	Bar time in the alternate encoding used by intraday data.
`WEEKOFYEAR`	Week number within the year.
`DAYSTOTODAY`	Calendar days from the bar to today.
`AUTOFILTER`	Signal de-duplication flag used by the scanner.

The variables below are accepted by the compiler but are served by a China A-share style feed. On the current market data source they resolve to nothing, so a script that uses one draws an empty pane rather than reporting an error.

Name	Meaning — legacy feed only
`VOLR`	Volume ratio against the recent average.
`VOLINSTK, OPI`	Open interest (futures).
`SETTLE, QHJSJ`	Settlement price (futures).
`ZSTJJ`	Intraday average price line; valid on intraday timeframes.
`CAPITAL`	Free-float share capital, in lots.
`TOTALCAPITAL`	Total share capital, in lots.
`EXCHANGE, HSL`	Turnover rate.
`SETCODE`	Market type code.
`TQFLAG`	Current adjustment mode: 0 none, 1 back-adjusted, 2 forward-adjusted.
`INDEXO / INDEXH / INDEXL / INDEXC / INDEXV / INDEXA`	Open, high, low, close, volume and turnover of the market index.
`INDEXADV / INDEXDEC`	Advancing and declining counts in the market index.
`HY_INDEXO … HY_INDEXDEC`	The same eight fields for the symbol's sector index.
`ADVANCE / DECLINE`	Advancing and declining counts for the symbol's own index.
`HYBLOCK / DYBLOCK / GNBLOCK`	Sector, region and concept block names.
`FGBLOCK / ZSBLOCK / ZHBLOCK / ZDBLOCK`	Style, index, combination and custom block names.
`GNBLOCKNUM / FGBLOCKNUM / ZSBLOCKNUM / ZHBLOCKNUM / ZDBLOCKNUM`	How many blocks of each kind the symbol belongs to.
`HYZSCODE`	Index code of the symbol's sector.
`HYSYL / HYSJL`	Sector price/earnings and price/book ratio.
`DYNA_NOW`	Last price from the live quote; falls back to the previous close before the open.
`DYNA_ZAF / DYNA_ZAS`	Live change ratio and rate of change; multiply by 100 for a percentage.
`DYNA_LB`	Live volume ratio.
`BUYVOL / SELLVOL`	Outside and inside volume from the live quote.
`ACTINVOL / ACTOUTVOL`	Aggressive buy and sell volume.
`LARGEINTRDVOL / LARGEOUTTRDVOL`	Large-order buy and sell volume.
`TRADENUM / TRADEINNUM / TRADEOUTNUM`	Total, buy-side and sell-side trade counts.
`LARGETRDINNUM / LARGETRDOUTNUM`	Large-order buy and sell trade counts.
`CUR_BUYORDER / CUR_SELLORDER`	Total resting bid and ask size.
`BIDORDERVOL / BIDCANCELVOL`	Cumulative bid volume placed and cancelled.
`OFFERORDERVOL / OFFERCANCELVOL`	Cumulative ask volume placed and cancelled.
`AVGBIDPX / AVGOFFERPX`	Latest average bid and ask price.
`DOPEN / DHIGH / DLOW / DCLOSE / DVOL`	Open, high, low, close and volume of a caller-defined custom timeframe.