Thanks a lot for the extension. Especially for the modified version. May I suggest one small improvement? Storing current price in localstorage after buy order was executed and checkbox in options page to skip sell if current sell price lower than pervious buy price.
....
if ((tradingEnabled==1)&&(ApiKey!='')) {
if ((skipSellEnabled==1)&&(currentPrice>lastBuyPrice)) {
console.log("SELL! (EMA("+EmaShortPar+")/EMA("+EmaLongPar+")<-"+MinSellThreshold+"% for "+tickCountSell+" or more ticks)");
...