🔵 NIFTY — waiting
🟠 BANK NIFTY — waiting
Select both files together (Ctrl+Click). Auto-detected by filename (must contain "NIFTY" or "BANKNIFTY").
OR upload individually
NIFTY Option Chain CSV
Drop file or click to browse
BANK NIFTY Option Chain CSV
Drop file or click to browse
📅
Optional — Next Expiry CSV
Upload next week's expiry data for BTST confirmation & Tomorrow Big Move accuracy. NSE → F&O → Option Chain → change expiry date → Download CSV.
Not uploaded — BTST will use current expiry OI
Upload NSE option chain CSV files to begin
NSE India → F&O → Option Chain → Download CSV · Then upload both NIFTY and BANK NIFTY files