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Computed / Derived — ecn-tax — Data Flow

Why this page is structured this way: This is the field-first view for the computed/derived [ecn-tax] pseudo-section. These fields don’t exist at KYC onboarding time; they’re produced by operations (trade execution, margin computation, settlement files, etc.). To see the same data from the destination’s perspective, jump from the atlas overview.

  • 5 unique fields in this section.
  • 5 field-destination relationships total.

Sorted by field_id, then destination.

field_idfield_namedestinationdestination_field_namedestination_formatfrequencytransformationquirks_notesspec_source
tax-stt_buy_intradaySTT Buy Intradaycontract-notesSTT_Buy_IntraNUMBER(15,2)on-tradederived from Y0.025% on sell-side intraday delivery / 0.1% on delivery; rate per Finance Act, computed by CCNSE/INSP/61999
tax-stt_cttCommodity Transaction Taxcontract-notesCTTNUMBER(15,2)on-tradederived from YMCX non-agri commodities sell-side; rate per Finance ActNSE/INSP/61999
tax-stt_deliverySTT Deliverycontract-notesSTT_DeliveryNUMBER(15,2)on-tradederived from Yboth buy and sell side delivery; rate per Finance ActNSE/INSP/61999
tax-stt_fno_futuresSTT F&O Futurescontract-notesSTT_FuturesNUMBER(15,2)on-tradederived from Ysell-side futures STT; rate per Finance ActNSE/INSP/61999
tax-stt_fno_optionsSTT F&O Optionscontract-notesSTT_OptionsNUMBER(15,2)on-tradederived from Ysell-side options STT on premium; exercise STT on intrinsic value; rate per Finance ActNSE/INSP/61999

2026-05-14


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