Instruments & Option Chain

Search Instruments

results = DhanHQ::Models::Instrument.search("RELIANCE")

By Segment

fno_instruments = DhanHQ::Models::Instrument.by_segment("NSE_FNO")

Option Chain

chain = DhanHQ::Models::OptionChain.fetch(
  underlying_scrip: 13,
  underlying_seg:   "IDX_I",
  expiry:           "2026-08-04"
)

Expiry List

expiries = DhanHQ::Models::OptionChain.expiry_list(
  underlying_scrip: 13,
  underlying_seg:   "IDX_I"
)