$ugaz $dgaz my calls: bought ugaz 1.78, sold ugaz 2.77, bought dgaz 11.77, sold dgaz 15.59, bought ugaz 1.77.
<ticker> <ticker> my calls : bought <ticker> <number> , sold <ticker> <number> , bought <ticker> <number> , sold <ticker> <number> , bought <ticker> <number> .