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Stock Seasonality for Zscaler (ZS)

Zscaler (ZS) historical monthly and quarterly returns. Dividend-adjusted performance data.

Zscaler (ZS) seasonality heatmap

Returns across monthly, quarterly, and yearly periods. Cell color encodes signed magnitude; the scale auto-fits each table.

2026

Jan-11.1%
Feb-26.5%
Mar-4.6%
Apr-6.9%
May+6.9%
Jun-7.3%
Jul
Aug
Sep
Oct
Nov
Dec

2025

Jan+12.3%
Feb-3.1%
Mar+1.1%
Apr+14.0%
May+21.9%
Jun+13.9%
Jul-9.0%
Aug-3.0%
Sep+8.2%
Oct+10.5%
Nov-24.1%
Dec-10.6%

2024

Jan+6.4%
Feb+2.7%
Mar-20.4%
Apr-10.2%
May-1.7%
Jun+13.1%
Jul-6.7%
Aug+11.5%
Sep-14.5%
Oct+5.8%
Nov+14.3%
Dec-12.7%

2023

Jan+11.0%
Feb+5.6%
Mar-10.9%
Apr-22.9%
May+50.4%
Jun+8.0%
Jul+9.6%
Aug-2.7%
Sep-0.3%
Oct+2.0%
Nov+24.5%
Dec+12.2%

2022

Jan-20.0%
Feb-7.0%
Mar+0.9%
Apr-16.0%
May-24.5%
Jun-2.3%
Jul+3.7%
Aug+2.7%
Sep+3.2%
Oct-6.2%
Nov-13.4%
Dec-16.1%

2021

Jan-0.0%
Feb+2.7%
Mar-16.3%
Apr+9.3%
May+3.5%
Jun+11.3%
Jul+9.2%
Aug+18.0%
Sep-5.8%
Oct+21.6%
Nov+8.8%
Dec-7.4%

2020

Jan+20.6%
Feb-7.3%
Mar+17.1%
Apr+10.2%
May+46.2%
Jun+11.6%
Jul+18.6%
Aug+10.4%
Sep-1.8%
Oct-3.5%
Nov+14.7%
Dec+28.2%

2019

Jan+23.4%
Feb+2.7%
Mar+42.8%
Apr-3.7%
May+0.5%
Jun+11.7%
Jul+10.0%
Aug-18.4%
Sep-31.2%
Oct-6.9%
Nov+18.5%
Dec-10.8%

2018

Jan
Feb
Mar
Apr+6.5%
May-12.1%
Jun+36.1%
Jul-1.2%
Aug+21.2%
Sep-4.7%
Oct-11.0%
Nov+8.2%
Dec-0.1%

Avg

Jan+5.3%
Feb-3.8%
Mar+1.2%
Apr-2.2%
May+10.1%
Jun+12.9%
Jul+4.3%
Aug+5.0%
Sep-5.9%
Oct+1.5%
Nov+6.4%
Dec-2.2%

Median

Jan+8.7%
Feb-0.2%
Mar-1.8%
Apr-3.7%
May+3.5%
Jun+11.7%
Jul+6.4%
Aug+6.5%
Sep-3.3%
Oct-0.8%
Nov+11.5%
Dec-9.0%

Last 5Y Avg

Jan-0.3%
Feb-5.7%
Mar-6.8%
Apr-8.4%
May+10.6%
Jun+8.8%
Jul+1.4%
Aug+5.3%
Sep-1.8%
Oct+6.7%
Nov+2.0%
Dec-6.9%

Std Dev (σ)

Jan15.0%
Feb10.4%
Mar20.5%
Apr12.9%
May25.1%
Jun10.7%
Jul9.4%
Aug13.0%
Sep12.2%
Oct10.8%
Nov16.6%
Dec15.2%

Consistency (μ/σ)

Jan0.35
Feb-0.36
Mar0.06
Apr-0.17
May0.40
Jun1.21
Jul0.45
Aug0.38
Sep-0.48
Oct0.14
Nov0.39
Dec-0.14

Win Rate (%)

Jan63%
Feb50%
Mar50%
Apr44%
May67%
Jun88%
Jul63%
Aug63%
Sep25%
Oct50%
Nov75%
Dec25%

Winning / Losing Months

Jan53
Feb44
Mar44
Apr45
May63
Jun71
Jul53
Aug53
Sep26
Oct44
Nov62
Dec26

Longest Win / Loss Streak

Jan32
Feb22
Mar22
Apr23
May31
Jun41
Jul52
Aug31
Sep14
Oct33
Nov41
Dec12

Best

Jan+23.4%2019
Feb+5.6%2023
Mar+42.8%2019
Apr+14.0%2025
May+50.4%2023
Jun+36.1%2018
Jul+18.6%2020
Aug+21.2%2018
Sep+8.2%2025
Oct+21.6%2021
Nov+24.5%2023
Dec+28.2%2020

Worst

Jan-20.0%2022
Feb-26.5%2026
Mar-20.4%2024
Apr-22.9%2023
May-24.5%2022
Jun-2.3%2022
Jul-9.0%2025
Aug-18.4%2019
Sep-31.2%2019
Oct-11.0%2018
Nov-24.1%2025
Dec-16.1%2022
−31.2%+50.4%

Frequently asked questions

Data & methodology