[ahnuld]

not true because unlike poker its not a zero sum game (or negative sum game). There are many reasons to sell other than you think the stock will drop. You could need the money for whatever reason, you could have different investment choices ect. Plus you could be wrong in your analysis. Even if you wernt wrong it doesnt really matter as the market works to allocate money where it is most needed in the conomy. You selling puts downward pressur eon the stock and though tin,y means less fudnign will go to that sector of the econmy in the future (hope thats rght).