Investors seeking to bet against Tesla's (TSLA - Get Report) common stock may want to give its convertible bonds a spin, said Edward Silverstein, portfolio manager for the MainStay Convertible fund (MCOAX - Get Report) . Silverstein is long Tesla's 1.25% convertibles, now trading around $0.84 on the dollar and yielding 4.7%, due in March 2021 and short equal amount of the automaker's common stock, which was trading around $200 at last check. Silverstein is also bullish on Oasis Petroleum (OAS - Get Report) converts, saying the driller has a cost advantage. Oasis recently issued a convertible security 2.625% due September 2023. Silverstein is also constructive on Intercept Pharmaceuticals' (ICPT - Get Report) recently issued convertible security yielding 3.25% and due 2023. The company recently won approval for Oclavia, a treatment for liver disease and is trying to get approval for treatment for another liver indication that has a much larger treatment population.