Zscaler (ZS) — Daily Price Character
Historical session stats from dividend-adjusted prices: win rate, streaks, record days, weekday patterns, and (when available) how often the stock was green on S&P 500 green days.
ZS
Archetype
Explosive
High daily volatility — frequent large price swings.
Win rate
52.7%
1067 green · 948 red · 9 flat · 2024 sessions
Current streak
3 green
As of Apr 7, 2026
Max win / lose streak
12 / 8 days
Win streak return: +20.57% · Lose: 16.99%
Median / σ daily
+0.186% · 3.589%
Avg green +2.47% · avg red 2.49%
Extreme days (>3%)
28.5%
303 up · 273 down
History from Mar 19, 2018 through Apr 7, 2026 · 2024 trading days with returns.
Trailing year — daily returns (calendar)
Apr 8, 2025 – Apr 7, 2026 · Mon–Fri sessions only
Monday–Friday — average return
Average dividend-adjusted return on that weekday (green / red by sign). Green/red day rule: ±0.01% vs prior close.
Monday–Friday — win rate
Share of sessions that closed green on that weekday. Bars are green at or above 50%, red below 50%.
Top green days
Largest single-session gains (dividend-adjusted), by historical return.
| Date | Return |
|---|---|
| May 29, 2020 | +29.41% |
| Dec 3, 2020 | +26.45% |
| Jun 7, 2018 | +23.30% |
| Mar 1, 2019 | +21.92% |
| Sep 9, 2022 | +21.88% |
| May 8, 2023 | +20.63% |
| Dec 6, 2018 | +15.51% |
| Nov 10, 2022 | +14.51% |
| Apr 9, 2025 | +14.17% |
| May 27, 2022 | +12.57% |
| May 26, 2021 | +12.42% |
| Jun 1, 2020 | +12.12% |
| Mar 17, 2020 | +12.05% |
| May 13, 2022 | +11.33% |
| Sep 1, 2020 | +11.18% |
| Aug 10, 2022 | +10.40% |
| Dec 26, 2018 | +10.07% |
| Feb 24, 2022 | +10.02% |
| Sep 7, 2018 | +9.98% |
| May 30, 2025 | +9.79% |
Worst red days
Largest single-session losses; "Days to recovery" counts trading sessions until close recovered the prior peak (dividend-adjusted).
| Date | Return | Days to recovery |
|---|---|---|
| Sep 11, 2019 | 19.37% | 88 |
| Sep 4, 2024 | 18.67% | 26 |
| Feb 21, 2020 | 16.37% | 36 |
| Feb 25, 2022 | 15.77% | 817 |
| Mar 19, 2018 | 15.45% | 56 |
| Nov 9, 2020 | 14.19% | 14 |
| Feb 21, 2024 | 14.10% | 310 |
| Nov 26, 2025 | 13.03% | — |
| Dec 6, 2021 | 12.44% | 11 |
| Feb 27, 2026 | 12.17% | — |
| Nov 19, 2018 | 12.08% | 8 |
| May 9, 2022 | 11.48% | 64 |
| Aug 19, 2019 | 11.26% | 196 |
| Mar 3, 2023 | 11.10% | 60 |
| Mar 9, 2020 | 11.03% | 7 |
| Dec 2, 2022 | 10.73% | 125 |
| Feb 23, 2026 | 10.31% | 3 |
| Dec 17, 2018 | 9.89% | 13 |
| May 18, 2022 | 9.66% | 6 |
| Sep 3, 2020 | 9.51% | 63 |
Frequently asked questions
What is the daily win rate for Zscaler (ZS)?
- Historically, Zscaler (ZS) closed green on 52.7% of trading days (1067 green, 948 red, 9 flat), using dividend-adjusted closes and a ±0.01% threshold for green vs red.
What is the current winning or losing streak for Zscaler (ZS)?
- As of 2026-04-07, Zscaler (ZS) is on a 3-day winning streak (consecutive green or red days by the same rules, ignoring trailing flat days).
What does Steady, Balanced, or Explosive mean for Zscaler (ZS)?
- We label Zscaler (ZS) as "explosive" based on the sample standard deviation of daily returns: High daily volatility — frequent large price swings.
What were the best and worst single trading days for Zscaler (ZS)?
- Largest single-day gain: +29.41%. Largest single-day loss: 19.37%. Tables on this page list the top record green and red days.
What counts as an "extreme" daily move for Zscaler (ZS)?
- We treat a day as extreme if the absolute dividend-adjusted daily return exceeds 3%. About 28.5% of trading days for Zscaler (ZS) were extreme (303 up, 273 down).
Data & methodology
How are green, red, and flat days defined?
- We use dividend-adjusted (or close-to-close for non-equity) daily returns. Green: return ≥ +0.01%. Red: return ≤ −0.01%. Flat: between those bounds.
How is the current streak calculated?
- We count consecutive green or consecutive red days using the same thresholds. If the most recent session is flat, we skip trailing flat days and measure from the last non-flat close.
What does “vs S&P 500” mean?
- On sessions where the S&P 500 (^GSPC) was green, we report how often this stock was also green. Shown only for USD equities when benchmark data exists and the symbol is not the index itself.
Where does the archetype come from?
- Sample standard deviation of daily returns: low → Steady, high → Explosive, otherwise Balanced. Labels describe typical daily volatility, not quality of the investment.