he then offered various kinds of attribute insurance , indulgence bonds , devotee loans at interest ( simple , compound , and oscillating ) , loan guarantees , lotteries , stock options , deposits , mutual funds , negative and marginal investing , mixed and dynamic portfolios , trust funds , various other kinds of trusts , tontines , futures ( for all the preceding ) , future futures ( and so on ) , options ( for all the preceding ) , option options ( and so on ) , and many other devices .