ACC Open Interest shows the total number of contracts created by Buyers & Sellers which are unsettled in an Options contract. In Quantsapp, ACC Options OI is plotted in a graphical view separated for expiries, calls & puts, showing total ACC Open contracts on a strike price & the changes in OI levels from a time to anticipate the sentiments. The Bars highlighted in the Green color bar show Open Interest in a particular Call Option in ACC, whereas the Red color bars show the Open Interest in a particular Put option in ACC. The brightened/denser color tips of the bars show Open Interest has added on a particular strike, and the hollow/blank box on the tip of the bar shows us unwindings made on a particular Call/Put strike

Though every Call or Put contract has both Buyer & Seller, Options OI Data is inferred from a Writers viewpoint as Sellers take a negative Reward to Risk & they have a fair understanding of the markets.