Equity options reflect the right, but not the obligation, to buy or sell a stock at a certain price. The news comes after the agency's inventory fluctuated between $429.54 on the first day of trading and $310 on the second. The introduction of fairness options would offer investors a new way to speculate on Coinbase's fortunes. On COIN's first day, Coinbase CEO Brian Armstrong purchased approximately $292 million in shares.