NOVA-689: fix nav_total_return and nav_discount_premium

Author: arylkou

links/etf.pine.link

@@ -78,8 +78,16 @@ plot(aumPerf3Y, title="aum_perf.3Y")
 plot(aumPerf5Y, title="aum_perf.5Y")
 plot(aumPerfYTD, title="aum_perf.YTD")
 
+// nav_total_return.<1M|3M|6M|YTD|1Y|3Y|5Y>
+navTotalReturns(finTicker) =>
+	[navTotalReturn1M, navTotalReturn3M, navTotalReturn6M, navTotalReturn1Y, navTotalReturn3Y, navTotalReturn5Y, navTotalReturnYTD, timeClose, isLast] = request.security(finTicker, fundTF, [fundPerf(month1), fundPerf(month3), fundPerf(month6), fundPerf(years1), fundPerf(years3), fundPerf(years5), fundPerfYTD(), time_close, barstate.islast], lookahead = barmerge.lookahead_on, ignore_invalid_symbol=true)
+	if isLast and time >= timeClose
+		[na, na, na, na, na, na, na]
+	else
+		[navTotalReturn1M, navTotalReturn3M, navTotalReturn6M, navTotalReturn1Y, navTotalReturn3Y, navTotalReturn5Y, navTotalReturnYTD]
+
 navAllTicker = __financial_tickerid(syminfo.tickerid, "NAV_ALL", "D")
-[navTotalReturn1M, navTotalReturn3M, navTotalReturn6M, navTotalReturn1Y, navTotalReturn3Y, navTotalReturn5Y, navTotalReturnYTD] = request.security(navAllTicker, fundTF, [fundPerf(month1), fundPerf(month3), fundPerf(month6), fundPerf(years1), fundPerf(years3), fundPerf(years5), fundPerfYTD()], ignore_invalid_symbol=true, gaps=barmerge.gaps_off)
+[navTotalReturn1M, navTotalReturn3M, navTotalReturn6M, navTotalReturn1Y, navTotalReturn3Y, navTotalReturn5Y, navTotalReturnYTD] = navTotalReturns(navAllTicker)
 
 plot(navTotalReturn1M, title="nav_total_return.1M")
 plot(navTotalReturn3M, title="nav_total_return.3M")

links/nav_discount_premium.link

@@ -2,9 +2,12 @@
 symbolName = input.symbol("", title = "Symbol", confirm = false, __optional = true)
 getSymbolName(symbol) => symbol == "" ? syminfo.tickerid : symbol
 makeTicker(fund, symbol = "") => __financial_tickerid(getSymbolName(symbol), fund, "")
+getNAV(finTicker) =>
+	[sec, timeClose, isLast] = request.security(finTicker, "D", [close, time_close, barstate.islast], lookahead = barmerge.lookahead_on, ignore_invalid_symbol=true)
+	if isLast and time >= timeClose
+		float(na)
+	else
+		sec
 var finTicker = __financial_tickerid(getSymbolName(symbolName), "NAV", "D")
-nav = request.security(finTicker, "D", close, ignore_invalid_symbol=true, gaps=barmerge.gaps_on)
-var float nav_discount_premium = na
-if not na(nav)
-    nav_discount_premium := ((close / nav) - 1) * 100
+nav_discount_premium = ((close / getNAV(finTicker)) - 1) * 100
 plot(nav_discount_premium, title = "nav_discount_premium")