OSI Systems Inc. Common Stock (DE) (OSIS)

Showing Closing Date Range from Oct 26, 2025 to Oct 26, 2026 compared to Oct 25, 2024 to Oct 25, 2025.

Compare Last 12 Months with Previous Period

Current Period Close
$197.48
Oct 26, 2025 - Oct 26, 2026
Previous Period Close
$251.11
Oct 25, 2024 - Oct 25, 2025
Net Comparison Delta
$-53.63 (-21.36%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(247 dates)
Current DateCurrent ClosePrevious DatePrevious CloseDelta (%)
Oct 23, 2026$197.48Oct 21, 2025$251.86-21.59%
Oct 22, 2026$200.49Oct 20, 2025$254.10-21.10%
Oct 21, 2026$196.93Oct 17, 2025$244.48-19.45%
Oct 20, 2026$194.86Oct 16, 2025$246.74-21.03%
Oct 19, 2026$193.97Oct 15, 2025$256.66-24.43%
Oct 16, 2026$194.98Oct 14, 2025$250.25-22.09%
Oct 15, 2026$196.21Oct 13, 2025$247.13-20.60%
Oct 14, 2026$192.68Oct 10, 2025$241.50-20.22%
Oct 13, 2026$194.70Oct 09, 2025$249.57-21.99%
Oct 12, 2026$195.32Oct 08, 2025$248.61-21.44%
Oct 09, 2026$194.91Oct 07, 2025$249.38-21.84%
Oct 08, 2026$193.36Oct 06, 2025$251.17-23.02%
Oct 07, 2026$194.05Oct 03, 2025$251.27-22.77%
Oct 06, 2026$198.56Oct 02, 2025$248.08-19.96%
Oct 05, 2026$197.87Oct 01, 2025$245.66-19.45%
Page 1 of 17