Sandisk (SNDK) vs Fortinet (FTNT)

Updated September 19, 2026 · Data: Yahoo Finance

Sandisk (SNDK)

+654.83%
YTD return in 2026
Price$1,791.82
Day move+10.99% yesterday
YTD rank#1
SNDK full page →

Fortinet (FTNT)

+113.88%
YTD return in 2026
Price$169.84
Day move-1.59% yesterday
YTD rank#15
FTNT full page →

YTD return chart — 2026

SNDKFTNT-5%+408%+820%Dec 31May 15Sep 19

Sandisk (SNDK) is outperforming Fortinet (FTNT) by 540.95 percentage points year-to-date in 2026 (+654.83% vs +113.88%), as of September 19, 2026. Both are S&P 500 constituents tracked daily from their December 31, 2025 closing prices.

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For informational purposes only — not financial advice.