Spread = 6
Offset = 3

-- В целых ценах не будет дробной части.
function str_price(str)
    local n = tonumber(str)
    local m = math.floor(n)
    if n == m then
        return tostring(m)
    else
        return tostring(n)
    end
end

function Limit(ticker, quantity, tp_price)
    local step = tonumber(getParamEx("TQBR", ticker, "sec_price_step").param_value)
    local spread = Spread * step
    local offset = Offset * step
    local transaction = {
        ACCOUNT            = Account,
        CLIENT_CODE        = ClientCode,
        ACTION             = "NEW_STOP_ORDER",
        TRANS_ID           = tostring(os.time()),
        OPERATION          = "S", -- Продажа.
        STOP_ORDER_KIND    = "TAKE_PROFIT_AND_STOP_LIMIT_ORDER",
        CLASSCODE          = "TQBR",
        SECCODE            = ticker,
        QUANTITY           = tostring(quantity),
        STOPPRICE          = str_price(tostring(tp_price)), -- Take Profit.
        EXPIRY_DATE        = "GTC",                         -- До отмены.
        OFFSET             = str_price(tostring(spread)),
        OFFSET_UNITS       = "PRICE_UNITS",
        SPREAD             = str_price(tostring(offset)),
        SPREAD_UNITS       = "PRICE_UNITS",
        MARKET_TAKE_PROFIT = "YES",
        STOPPRICE2         = "0", --стоп цена
        MARKET_STOP_LIMIT  = "YES"
    }
    error = sendTransaction(transaction)
    if error ~= "" then
        msg = "Error on Limit %d %s %.5f (%s)."
        message(msg:format(quantity, ticker, tp_price, error))
    end
end

BrokerSpread = 0.0006
tp_price = (buy_price * 1.005) * (1.0 + Percent)
tp_price = tp_price + (buy_price + tp_price) * BrokerSpread