191.73 USD
↘ 2.16 (1.11%)PRE MARKET (AS OF 05:51 AM EDT)
ZS Stock Premarket
Zscaler, Inc. Common Stock
ZSNASDAQ • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
ZS is trading at $191.73 in premarket, down $2.16 (1.11%) from its previous close of $193.89.
📅 ZS is expected to report earnings around Nov 24, 2026 after the close (estimated), with an estimated EPS of $1.15. 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 27 qualifying gap events (gaps of 5% or more at the open) — 12 gap-ups and 15 gap-downs. Gap-ups averaged +9.1%, 83% have fully filled, median time to fill 9 trading days. Gap-downs averaged -10.7%, 73% have fully filled, median time to fill 5 trading days. Most recent: a +5% gap up 2 days ago, still unfilled. ZS has 1 unfilled gap from the past 60 days — a +5% gap up on Sep 14, 2026, currently 33% retraced. Average 20-trading-day return after a ZS gap up: -0.95%. After a gap down: -4.35%.
Gap Ups12 events
Fill Rate
83.3%
Avg Gap
9.1%
Avg 50% Fill
2.5d
Avg Fill
9d
Gap Downs15 events
Fill Rate
73.3%
Avg Gap
10.7%
Avg 50% Fill
2d
Avg Fill
5d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 50% | 83% | 83% | 92% |
| fills 50% | 33% | 67% | 75% | 83% |
| fills 75% | 25% | 42% | 58% | 75% |
| fills 100% | 25% | 33% | 50% | 67% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 40% | 80% | 87% | 87% |
| fills 50% | 27% | 60% | 60% | 60% |
| fills 75% | 20% | 60% | 60% | 60% |
| fills 100% | 0% | 47% | 47% | 47% |
Active Unfilled Gaps (past 60 days)
2 days ago
2026-09-14
Gap %
+5.02%
Gap From
$164.54
% vs Current
-15.14%
retraced 33% to $170.06
Complete Gap History — 27 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2 days ago | $164.54 | +5.02% | Open | — | — | 33% | 33% | 33% | 33% |
| 12 days ago | $177.80 | -6.55% | Filled | 1d | 6d | 94% | 100% | 100% | 100% |
| 20 days ago | $170.31 | +5.17% | Filled | 5d | 7d | 24% | 89% | 100% | 100% |
| 2026-05-27 | $184.60 | -25.70% | Filled | 48d | 55d | 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% |
Related: ZS quote & chart · After hours · Technical analysis · Fundamentals · Earnings · Short interest
Frequently Asked Questions
What is ZS's premarket price?
Zscaler (ZS) is trading at $191.73 in premarket, down $2.16 (1.11%) from the previous close of $193.89.
Why is ZS moving in premarket?
Zscaler (ZS) is down 1.11% 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, 83% of ZS gap-ups have fully filled and 73% of gap-downs have filled. Median time to fill is 9 trading days for gap-ups and 5 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 +5.0% gap up from Sep 14, 2026 and is currently 33% retraced.
What's the average return after a ZS gap?
Based on 27 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 Nov 24, 2026 after the close (estimated), with an estimated EPS of $1.15.