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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5264Why Monotonicity Is IntuitiveWhy should a call with a lower strike never be worth less than a call with a higher strike, all else equal?金融与交易困难essay未尝试面试订阅5265Why Bounds Help ScreeningWhy are simple option bounds often used as a first-pass market-data screen?金融与交易困难essay未尝试面试订阅5842Long Call Butterfly ProfileA long call butterfly buys one 90 call, sells two 100 calls, and buys one 110 call for a net debit of 2 (strikes equally spaced). What is the maximum profit, the stock price at which it occurs, and the maximum loss?金融与交易中等数值题未尝试免费5845Zero-Cost-ish Collar BoundsYou own stock at 100, buy a put with strike 90 for premium 4, and sell a call with strike 115 for premium 3. What is the net premium paid, the maximum profit, and the maximum loss of the collar at expiry?金融与交易中等数值题未尝试免费5846Name the Strategy from Its PayoffA position's expiry profit is flat and negative for low stock prices, slopes upward through a single break-even, then becomes flat and positive (capped) for high stock prices, with a kink at each of two strikes. No stock is held. Name the simplest two-leg option strategy that produces this profile and state its directional bias.金融与交易中等数值题未尝试免费