//Actual price (close) is above round number.
//Round number level was not touched in previous ten bars (arbitrary value).
//Place a buy and follow the order with a trail step because price can bounce at round number (support) or can go through it.
//Sell Rules are the same of buy rules but inverted.
//Need improvement on conditions' logic and round numbers definitions
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.