BinanceFutures.USDM.MarketData.index_price_klines

You're seeing just the function index_price_klines, go back to BinanceFutures.USDM.MarketData module for more information.
Link to this function

index_price_klines(pair, interval, start_time \\ nil, end_time \\ nil, limit \\ 500)

View Source

Specs

index_price_klines(
  binary(),
  BinanceFutures.interval(),
  nil | pos_integer(),
  nil | pos_integer(),
  pos_integer()
) :: {:ok, [list()]} | BinanceFutures.HTTPClient.error()

Gets Kline/candlestick bars for the index price of a pair. Klines are uniquely identified by their open time.

Example

iex(1)> BinanceFutures.USDM.MarketData.index_price_klines("BTCUSDT", "5m", nil, nil, 2)
{:ok,
[
  [1616340600000, "57366.98431599", "57429.73139441", "57284.92735200",
    "57284.92735200", "0", 1616340899999, "0", 300, "0", "0", "0"],
  [1616340900000, "57283.26395200", "57294.43035200", "57224.03776400",
    "57265.85639717", "0", 1616341199999, "0", 89, "0", "0", "0"]
]}