10,000 sh x $66 = $660,000... x3 leverage = ~ $2,000,000 equivalent risk play.
1 NQ futures contract = 7445 x $20/pt = ~ $150,000.
$2MM / $150K = ~ 13 contracts.
Of course, hedging that way you've just about neutralized your play.
Using options as suggested by R. Morse still leaves the...