115.72 USD
↘ 8.08 (6.11%)PRE MARKET (AS OF Fri 05:29 AM EDT)
ZS Stock Premarket
Zscaler, Inc. Common Stock
ZSNASDAQ • USD
Market: CLOSED
Premarket trading runs 4:00 AM – 9:30 AM ET.
ZS last traded at $115.72 in premarket, down $8.08 (6.11%) from its previous close of $123.80. Historically, 0% of ZS gap-downs of 5% or more have fully filled within one trading day.
📅 ZS is expected to report earnings around Sep 1, 2026 after the close (estimated), with an estimated EPS of $1.08. ZS earnings details →
ZS Premarket Chart
ZS Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, ZS has had 24 qualifying gap events (gaps of 5% or more at the open) — 10 gap-ups and 14 gap-downs. Gap-ups averaged +9.9%, 90% have fully filled, median time to fill 11 trading days. Gap-downs averaged -11%, 64% have fully filled, median time to fill 3 trading days. Most recent: a -25.7% gap down on May 27, 2026, still unfilled. ZS has 1 unfilled gap from the past 60 days — a -25.7% gap down on May 27, 2026, currently 43% retraced. Average 20-trading-day return after a ZS gap up: -0.95%. After a gap down: -4.35%.
Gap Ups10 events
Fill Rate
90.0%
Avg Gap
9.9%
Avg 50% Fill
2d
Avg Fill
11d
Gap Downs14 events
Fill Rate
64.3%
Avg Gap
11.0%
Avg 50% Fill
2d
Avg Fill
3d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 50% | 80% | 80% | 90% |
| fills 50% | 40% | 70% | 80% | 90% |
| fills 75% | 30% | 40% | 60% | 80% |
| fills 100% | 30% | 40% | 50% | 70% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 36% | 79% | 86% | 86% |
| fills 50% | 21% | 57% | 57% | 57% |
| fills 75% | 14% | 57% | 57% | 57% |
| fills 100% | 0% | 43% | 43% | 43% |
Active Unfilled Gaps (past 60 days)
31 days ago
2026-05-27
Gap %
-25.70%
Gap From
$184.60
% vs Current
+39.57%
retraced 43% to $157.70
Complete Gap History — 24 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2026-05-27 | $184.60 | -25.70% | Open | — | — | 5% | 43% | 43% | 43% |
| 2026-05-07 | $138.83 | +6.61% | Filled | 5d | 14d | 9% | 54% | 54% | 100% |
| 2026-03-27 | $141.50 | -5.45% | Filled | 2d | 3d | 25% | 100% | 100% | 100% |
| 2026-02-27 | $167.36 | -13.39% | Filled | 4d | 56d | 27% | 94% | 95% | 95% |
| 2025-11-26 | $289.73 | -6.78% | Open | — | — | 0% | 0% | 0% | 0% |
| 2024-12-03 | $208.51 | -6.05% | Filled | 1d | 2d | 54% | 100% | 100% | 100% |
| 2024-09-04 | $193.19 | -17.83% | Filled | 23d | 27d | 14% | 18% | 43% | 49% |
| 2024-08-05 | $169.52 | -7.67% | Filled | 1d | 3d | 93% | 100% | 100% | 100% |
| 2024-05-31 | $156.65 | +16.82% | Filled | 1d | 45d | 74% | 74% | 74% | 74% |
| 2024-03-01 | $241.97 | -6.19% | Open | — | — | 2% | 2% | 2% | 2% |
| 2024-02-21 | $249.04 | -14.47% | Filled | 3d | 5d | 10% | 100% | 100% | 100% |
| 2023-05-08 | $89.46 | +20.15% | Open | — | — | 21% | 21% | 21% | 21% |
| 2023-03-03 | $134.13 | -10.91% | Filled | 56d | 60d | 20% | 43% | 43% | 43% |
| 2022-12-13 | $121.24 | +5.92% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2022-12-02 | $144.50 | -11.91% | Open | 42d | — | 31% | 31% | 31% | 31% |
| 2022-11-30 | $134.85 | -5.83% | Filled | 1d | 2d | 83% | 100% | 100% | 100% |
| 2022-11-15 | $136.85 | +5.04% | Filled | 2d | 3d | 5% | 100% | 100% | 100% |
| 2022-11-10 | $116.25 | +8.90% | Filled | 17d | 18d | 10% | 10% | 10% | 100% |
| 2022-09-09 | $154.25 | +13.42% | Filled | 10d | 22d | 9% | 48% | 91% | 91% |
| 2022-05-27 | $142.13 | +10.08% | Filled | 3d | 11d | 44% | 72% | 100% | 100% |
| 2022-05-20 | $132.30 | +5.39% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2022-02-25 | $263.38 | -14.77% | Open | 2d | — | 9% | 94% | 94% | 94% |
| 2021-12-14 | $308.54 | -7.49% | Filled | 2d | 2d | 10% | 100% | 100% | 100% |
| 2021-12-01 | $346.97 | +6.94% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
Frequently Asked Questions
What is ZS's premarket price?
Zscaler (ZS) is trading at $115.72 in premarket, down $8.08 (6.11%) from the previous close of $123.80.
Why is ZS moving in premarket?
Zscaler (ZS) is down 6.11% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest ZS premarket headlines and gap history below for the likely catalyst.
When does ZS premarket trading start?
Premarket trading for ZS on the NASDAQ runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.
How often does ZS fill its gaps?
Over the past 5 years, 90% of ZS gap-ups have fully filled and 64% of gap-downs have filled. Median time to fill is 11 trading days for gap-ups and 3 trading days for gap-downs.
Does ZS have any unfilled gaps?
Yes. ZS has 1 unfilled gap from the past 60 days. The largest is a -25.7% gap down from May 27, 2026 and is currently 43% retraced.
What's the average return after a ZS gap?
Based on 24 qualifying gap events over the past 5 years, the average 20-trading-day return after a ZS gap up is -0.95%, and after a gap down is -4.35%.
When does ZS report earnings?
ZS is expected to report earnings around Sep 1, 2026 after the close (estimated), with an estimated EPS of $1.08.