Symbols
A symbol literal is exchange:instrument:"name", plus expiry (and strike / CE-PE for options).
EquitySymbol nifty = NSE:IDX:"NIFTY BANK";
FutureSymbol fut = NFO:FUTIDX:"NIFTY":Expiry.Monthly(0);
OptionSymbol ce = NFO:OPTIDX:"NIFTY":Expiry.Weekly(0):25000:CE;| Kind | Instruments |
|---|---|
| Equity / index | EQ BE IDX SM ST A B T Z ZP |
| Futures | FUTSTK FUTIDX FUTCOM |
| Options | OPTSTK OPTIDX · type CE / PE |
Expiry
Expiry can be an explicit date or a relative series that resolves at runtime — so a script never rots when
contracts roll. Weekly(0)/Monthly(0) is the current series, 1 the next.
The same four forms work on future symbols, option symbols and chain calls:
// on futures — NFO:FUTIDX:"name":<expirySpec>
FutureSymbol futDate = NFO:FUTIDX:"NIFTY":'2026-07-30'; // bare date literal
FutureSymbol futOnDate = NFO:FUTIDX:"NIFTY":Expiry.OnDate('2026-07-30'); // explicit, keyword form
FutureSymbol futWeekly0 = NFO:FUTIDX:"NIFTY":Expiry.Weekly(0); // current weekly
FutureSymbol futWeekly1 = NFO:FUTIDX:"NIFTY":Expiry.Weekly(1); // next weekly
FutureSymbol futMonth0 = NFO:FUTIDX:"NIFTY":Expiry.Monthly(0); // current monthly
FutureSymbol futMonth1 = NFO:FUTIDX:"NIFTY":Expiry.Monthly(1); // next monthly
// on options — NFO:OPTIDX:"name":<expirySpec>:<strike>:<CE|PE>
OptionSymbol optDate = NFO:OPTIDX:"NIFTY":'2026-07-30':25000:CE;
OptionSymbol optWeekly0 = NFO:OPTIDX:"NIFTY":Expiry.Weekly(0):25000:CE;
OptionSymbol optMonth1 = NFO:OPTIDX:"NIFTY":Expiry.Monthly(1):25000:PE;Ready to run this? Build and backtest strategies in the SutraLipi algo trading platform — no-code builder, tick-level backtesting and one-click live execution. Browse all documentation topics.