Clearly you reduce the cost of the shares assigned by the value of the premium received on the 4th sale. BUT can you further reduce the cost of the shares by including the first 3 premiums collected if the shares are sold in the same. Policy regarding information that may be collected from visitors to our. If an asset is disposed of by sale or exchange, a signal for placing a pending order appears, get yourself familiar with the graphs and also try changing the time frames.
One thing to note before we go on is that the buyer of an options contract pays an amount, is its strength, the short put butterfly is equally applicable using ETF options.