calculatePrice(price, symbol) {
    if (!(symbol in this.exchangePairs) || !this.exchangePairs[symbol].tick_size) {
      return undefined;
    }

    return OrderUtil.calculateNearestSize(price, this.exchangePairs[symbol].tick_size);
  }
LTC: 0.008195 => 0.00820

@param price
@param symbol
@returns {*}