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5235Missing Put With Dividend AdjustmentA stock is at 110, a call is worth 12, the discounted strike is 98, and the present value of dividends is 4. What put price is consistent with parity?金融与交易中等数值题未尝试面试订阅5236Why European MattersWhy does the clean put-call parity identity rely on European exercise rather than American exercise?金融与交易困难essay未尝试面试订阅5237Why Synthetic Positions MatterWhy do traders care that an option strip can synthesize stock or forwards?金融与交易困难essay未尝试面试订阅5238Why Box Is A LoanWhy is a box spread often described as an options-based loan or deposit?金融与交易困难essay未尝试面试订阅5239Why Borrow Limits MatterWhy can real-world short-sale or funding frictions prevent obvious parity arbitrage from being fully exploited?金融与交易困难essay未尝试面试订阅5240Why Parity Is Still UsefulIf markets have frictions, why is put-call parity still one of the first checks traders run?金融与交易困难essay未尝试面试订阅5241European Call Bounds 1For a non-dividend-paying stock with spot 100, strike 95, annual rate 0.05, and maturity T=1, what are the basic no-arbitrage lower and upper bounds for a European call?金融与交易简单数值题未尝试面试订阅5242European Call Bounds 2For a non-dividend-paying stock with spot 90, strike 100, annual rate 0.04, and maturity T=0.5, what are the basic no-arbitrage lower and upper bounds for a European call?金融与交易简单数值题未尝试面试订阅5246European Put Bounds 1For spot 100, strike 95, annual rate 0.05, and maturity T=1, what are the basic no-arbitrage lower and upper bounds for a European put?金融与交易简单数值题未尝试面试订阅5247European Put Bounds 2For spot 90, strike 100, annual rate 0.04, and maturity T=0.5, what are the basic no-arbitrage lower and upper bounds for a European put?金融与交易简单数值题未尝试面试订阅5251Vertical Spread Bound Check 1Calls with strikes 95 and 105>95 are priced at 4.8 and 1.6. With annual rate 0.05 and maturity T=1, is the bull call spread price C(K1)-C(K2) inside its no-arbitrage bounds? Also report the bound interval.金融与交易中等数值题未尝试面试订阅5252Vertical Spread Bound Check 2Calls with strikes 100 and 110>100 are priced at 5.4 and 2.1. With annual rate 0.04 and maturity T=0.5, is the bull call spread price C(K1)-C(K2) inside its no-arbitrage bounds? Also report the bound interval.金融与交易中等数值题未尝试面试订阅5253Vertical Spread Bound Check 3Calls with strikes 80 and 90>80 are priced at 4 and 1.3. With annual rate 0.03 and maturity T=1.5, is the bull call spread price C(K1)-C(K2) inside its no-arbitrage bounds? Also report the bound interval.金融与交易中等数值题未尝试面试订阅5254Vertical Spread Bound Check 4Calls with strikes 110 and 120>110 are priced at 3.5 and 1. With annual rate 0.02 and maturity T=1, is the bull call spread price C(K1)-C(K2) inside its no-arbitrage bounds? Also report the bound interval.金融与交易中等数值题未尝试面试订阅5256Call Monotonicity 1At the same maturity, calls are quoted as C(95)=7 and C(105)=5.8 with 105>95. Does this satisfy basic no-arbitrage monotonicity across strikes?金融与交易简单数值题未尝试面试订阅5257Call Monotonicity 2At the same maturity, calls are quoted as C(100)=6.2 and C(110)=6.4 with 110>100. Does this satisfy basic no-arbitrage monotonicity across strikes?金融与交易简单数值题未尝试面试订阅5260Call Monotonicity 5At the same maturity, calls are quoted as C(85)=7.8 and C(100)=5 with 100>85. Does this satisfy basic no-arbitrage monotonicity across strikes?金融与交易简单数值题未尝试面试订阅5261Why Lower Bounds MatterWhy can an option price being too low be just as much of an arbitrage problem as being too high?金融与交易困难essay未尝试面试订阅5262Why Bounds Are Broader Than ParityWhy are no-arbitrage bounds still useful even when you do not have a perfect parity identity available?金融与交易困难essay未尝试面试订阅5263Why Time Value Keeps Calls Above IntrinsicWhy can an out-of-the-money European call still have positive value even though its intrinsic value is zero today?金融与交易困难essay未尝试面试订阅