Zcash can be bought on major digital currency sellers and exchanges such as CryptoGo (https://cryptogo.com). Another exchange where Zcash can be bought or sold is Crypto Robot 365 (https://cryptorobot365.com). When Zcash was introduced its price was very high. As shown in the following graph, the price soared as high as approximately ten bitcoins per Zcash. Some exchanges carried out orders as high as 2,500 BTC per ZEC. Price of ZEC is around 311 USD at the time writing (March, 2018):
Zcash market cap and price
