function variableFPRB(Start_counting, FixedPriceRTSBuy)

local SecCode = "SRU9"
local A = os.time()
local CurrentFPRB
local Seconds = A - Start_counting


if Seconds >= 30 and Seconds < 33 then
CurrentFPRB = getParamEx("SPBFUT", SecCode, "LAST").param_value

elseif Seconds >= 60 and Seconds < 63 then
CurrentFPRB = getParamEx("SPBFUT", SecCode, "LAST").param_value

else CurrentFPRB = FixedPriceRTSBuy
end

return CurrentFPRB, Seconds
end


function main()

local SecCode = "SRU9"

local Start_counting = os.time()
local FixedPriceRTSBuy = getParamEx("SPBFUT", SecCode, "LAST").param_value

    local EnterInPos = "No"
while EnterInPos == "No" do
        local FixedPriceRTSBuyNew, Seconds = variableFPRB(Start_counting, FixedPriceRTSBuy) -- это сравниваемая цена
        local PriceRTSBuy = getParamEx("SPBFUT", SecCode, "LAST").param_value -- это рыночная цена
        local Raznost = tonumber(PriceRTSBuy) - tonumber(FixedPriceRTSBuyNew)
        local FixedPriceRTSBuy = FixedPriceRTSBuyNew



        message("Разность: "..Raznost.."\nсравниваемая цена:  "..FixedPriceRTSBuyNew.."\nрыночная цена:  "..PriceRTSBuy.."\nпрошло: "..Seconds)
        sleep (5000)
end
end