AstraZeneca PLC (traded under the ticker AZN on major international exchanges and US American Depositary Shares) trades at approximately $165 to $169 per share, while its primary London listing trades around 12,476 GBX per share. Stock valuations fluctuate continuously during active market sessions based on real-time transaction volumes, institutional orders, clinical trial milestone announcements, and quarterly pharmaceutical earnings disclosures monitored by global health sector investors.