It is possible to buy an ETN such as £3STP or €3STE which shorts TESLA shares.
The GraniteShares 3x Short Tesla Daily ETP seeks to track the Solactive Daily Leveraged 3x Short Tesla (-3x) index. The Solactive Daily Leveraged 3x Short Tesla (-3x) index tracks the three times leveraged inverse performance of the Tesla share on a daily basis.
The ETN's TER (total expense ratio) amounts to 0.99% p.a.. The ETN replicates the performance of the underlying index synthetically with a swap. The dividends in the ETN are accumulated and reinvested in the ETF.
The GraniteShares 3x Short Tesla Daily ETP is a small ETN with 18m GBP assets under management. The ETN was launched on 29 June 2020 and is domiciled in Ireland.
GraniteShares 3x short TESLA (Ticker 3STE) is an ETN that shorts TESLA by a negative factor of x3.
As long as I have some spare cash, then using a 'short' or 'inverse' fund allows me to hedge my portfolio but without selling any shares in my portfolio.
If you use Trading 212, use the Search page and look for 'Inverse ETFs' in the sidebar under the 'ETFs' heading.