The breakeven point is the stock price when the net profit and loss of bulls and bears are equal, that is to say, the net profit and loss of both bulls and bears are zero, which reflects a zero-sum game. Break-even point of call option Buy 1 share =25+3=28 (yuan)-Here is the break-even point of long call option (let mx (market price-strike price, 0)-0, calculate the market price), which is equal to strike price+call option price =25+3 Break-even point of put option Buy 1 share. -Here is the breakeven point of long options (let mx (strike price-market price, 0)-P=0. Calculate the market price), which is equal to the strike price-put option price =25-5.