Module util 

Small helpers: the identity of an instrument, the timeframe labels and the time conversions.

Functions

exchange_of_board

The exchange an instrument trades on: SPBX for the board SPBX, MOEX for every other board.

instrument_id

The id of an instrument by ticker and board.

nanos_to_datetime

A [UnixNanos] as a date.

nanos_to_secs

Unix seconds of a [UnixNanos].

ticker_board

The ticker and the trading mode (board) of an instrument. ALOR needs them as two fields, so the native id must be [NativeId::TickerClass] (the class code is the board, for example TQBR).

timeframe_label

The tf of the broker for a timeframe: a number of seconds, or D, W, M.