All charts and data below are CPI-U inflation-adjusted and with dividends reinvested. (Why?)

Total Real Returns

ZS: Total Real Return Chart (Dividends Reinvested, Inflation Adjusted)

ZS real return snapshot: after CPI-U inflation, ZS returned −34.29% over the past year and −17.72% YTD, with dividends reinvested. Since Mar. 16, 2018, ZS is up +331.39% in real purchasing-power return, or +18.76%/yr, and is currently −57.04% below its real total-return high on Nov. 19, 2021.

Data ending Wed Sep. 16, 2026

Growth of $10,000

Fri 2018-03-16💬 to Wed 2026-09-16 Overall
Return 		Exponential
Trendline
ZS × 		+331.39%
+18.76%/yr 		+16.74%/yr
R2=0.417
Zscaler Inc NASDAQ Common Stock

Growth of $10,000 Summary

Fri 2018-03-16💬 to Wed 2026-09-16 Start
Value 		End
Value
ZS × 		$10,000.00
2018-03-16 		$43,138.72
2026-09-16

This Year’s Performance

through 2026-09-16

  YTD YoY
ZS × 		−17.72% −34.29%

Drawdowns

  Current
Drawdown 		Worst
Drawdown
ZS × 		−57.04%
on 2026-09-16
from 2021-11-19 peak 		−78.43%
on 2023-05-02
from 2021-11-19 peak

Rolling Returns

Period ending Wed 2026-09-16 1 yr 2 yr 3 yr 5 yr 10 yr
ZS × 		−34.29% +4.74%
+2.34%/yr 		+12.46%
+3.99%/yr 		−42.98%
−10.63%/yr 		—

Annual Returns

Year ZS
2026 (YTD) −17.72%
2025 +21.42%
2024 −20.85%
2023 +91.58%
2022 −67.29%
2021 +50.32%
2020 +323.71%
2019 +15.94%
2018 +17.90%