Month/Month Percentage % Change, Historical; Seasonal Tendency

Table of monthly % changes in Average Price over the last 10 years (or the 10 yrs prior to input year).
Useful for gauging seasonal tendencies of an asset; backtesting monthly volatility and bullish/bearish tendency.

~~User Inputs~~
Choose measure of average: sma(close), sma(ohlc4), vwap(close), vwma(close).
Show last 10yrs, with 10yr average % change, or to just show single year.
Chose input year; with the indicator auto calculating the prior 10 years.
Choose color for labels and size for labels; choose +Ve value color and -Ve value color.
Set 'Daily bars in month': 21 for Forex/Commodities/Indices; 30 for Crypto.
Set precision: decimal places

~~notes~~
-designed for use on Daily timeframe (tradingview is buggy on monthly timeframe calculations, and less precise on weekly timeframe calculations).
-where Current month of year has not occurred yet, will print 9yr average.
-calculates the average change of displayed month compared to the previous month: i.e. Jan22 value represents whole of Jan22 compared to whole of Dec21.
-table displays on the chart over the input year; so for ES, with 2010 selected; shows values from 2001-2010, displaying across 2010-2011 on the chart.
-plots on seperate right hand side scale, so can be shrunk and dragged vertically.
-thanks to @gabx11 for the suggestion which inspired me to write this

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fixed label size error

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added formatting options: Current month color and label size; 10yr averages label size
~note: current active month value only be fully accurate as month completes: i.e. in mid July, July value will be compared to

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i.e. in mid July, July value will be: June average, compared to 'mid-june to mid-july' average

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Fixed occastional double-print glitch by changing from barstate.islast to barstate.islastconfirmedhistory

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-includes options for Volume (sma of volume) and Volatility (bollinger band width); comparing monthly % changes. Note: volume will not work on most FX pairs (no volume data there)

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-Updated Cover Chart to BTC. Bitcoin is where i find this indicator more useful (due to lack of seasonal data resources available for BTC, compared to traditional commodities)

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-added otions to toggle on/off last 10yrs; toggle on/off 10yr averages