Yes if only your aren't engage in other advance trading experience like margin trading. Investing just by trading on spot exchanges or buying of tokens can only cost you your initial funds in case it was a bad investment and market has declined to bring the price down. Do understand that unless the token had been delisted from all exchange or they lack liquidity that prevents your from selling since there's no buyer available, you would mostly have some funds to left in the token.

Cryptocurrencies are subjective to risk, the stablecoin aren't no different since they lose and gain value too although their state of stability gives more assurance than other cryptocurrencies out there including bitcoin.