1,460.01 USD
↗ 23.45 (1.63%)PRE MARKET (AS OF 05:29 AM EDT)
SNDK Stock Premarket
Sandisk Corporation Common Stock
SNDKNASDAQ • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
SNDK last traded at $1460.01 in premarket, up $23.45 (1.63%) from its previous close of $1436.56.
SNDK Premarket Chart
SNDK Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, SNDK has had 47 qualifying gap events (gaps of 5% or more at the open) — 26 gap-ups and 21 gap-downs. Gap-ups averaged +8.1%, 54% have fully filled, median time to fill 3 trading days. Gap-downs averaged -6.9%, 86% have fully filled, median time to fill 4.5 trading days. Most recent: a +8.7% gap up 6 days ago, still unfilled. SNDK has 4 unfilled gaps from the past 60 days; the largest is a +8.7% gap up on Jul 21, 2026, currently 83% retraced. Average 20-trading-day return after a SNDK gap up: +40.07%. After a gap down: +22.4%.
Gap Ups26 events
Fill Rate
53.8%
Avg Gap
8.1%
Avg 50% Fill
1d
Avg Fill
3d
Gap Downs21 events
Fill Rate
85.7%
Avg Gap
6.9%
Avg 50% Fill
2d
Avg Fill
4.5d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 73% | 81% | 81% | 85% |
| fills 50% | 50% | 69% | 69% | 73% |
| fills 75% | 23% | 58% | 58% | 62% |
| fills 100% | 15% | 42% | 46% | 54% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 62% | 81% | 86% | 86% |
| fills 50% | 43% | 81% | 81% | 86% |
| fills 75% | 29% | 76% | 76% | 81% |
| fills 100% | 14% | 67% | 67% | 71% |
Active Unfilled Gaps (past 60 days)
6 days ago
2026-07-21
Gap %
+8.68%
Gap From
$1390.95
% vs Current
-3.17%
retraced 83% to $1411.47
14 days ago
2026-07-13
Gap %
-6.42%
Gap From
$1915.92
% vs Current
+33.37%
retraced 16% to $1812.55
26 days ago
2026-07-01
Gap %
-8.29%
Gap From
$2273.73
% vs Current
+58.28%
retraced 24% to $2130.05
31 days ago
2026-06-26
Gap %
-7.07%
Gap From
$2335.00
% vs Current
+62.54%
retraced 67% to $2280.88
Complete Gap History — 47 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 6 days ago | $1390.95 | +8.68% | Open | 4d | — | 18% | 83% | 83% | 83% |
| 11 days ago | $1615.00 | -5.42% | Filled | 4d | 5d | 28% | 100% | 100% | 100% |
| 13 days ago | $1673.97 | +7.95% | Filled | 1d | 2d | 72% | 100% | 100% | 100% |
| 14 days ago | $1915.92 | -6.42% | Open | — | — | 6% | 16% | 16% | 16% |
| 18 days ago | $1727.18 | +6.28% | Filled | 2d | 3d | 32% | 100% | 100% | 100% |
| 20 days ago | $1744.43 | -7.17% | Filled | 2d | 3d | 16% | 100% | 100% | 100% |
| 26 days ago | $2273.73 | -8.29% | Open | — | — | 24% | 24% | 24% | 24% |
| 2026-06-26 | $2335.00 | -7.07% | Open | 1d | — | 52% | 67% | 67% | 67% |
| 2026-06-25 | $1914.46 | +16.92% | Filled | 2d | 3d | 45% | 100% | 100% | 100% |
| 2026-06-23 | $2273.73 | -11.70% | Filled | 3d | 3d | 20% | 100% | 100% | 100% |
| 2026-06-15 | $1980.10 | +6.11% | Filled | 1d | 3d | 66% | 100% | 100% | 100% |
| 2026-04-29 | $1002.35 | +6.81% | Open | — | — | 16% | 33% | 33% | 33% |
| 2026-04-08 | $710.80 | +10.30% | Open | — | — | 35% | 35% | 35% | 35% |
| 2026-04-02 | $692.73 | -7.31% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-03-25 | $702.48 | -7.33% | Filled | 1d | 6d | 70% | 100% | 100% | 100% |
| 2026-03-19 | $753.69 | -6.17% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-03-03 | $619.08 | -6.05% | Filled | 2d | 6d | 31% | 100% | 100% | 100% |
| 2026-02-12 | $599.34 | +6.88% | Filled | 1d | 2d | 61% | 100% | 100% | 100% |
| 2026-02-11 | $541.64 | +6.81% | Filled | 14d | 17d | 10% | 11% | 11% | 100% |
| 2026-02-06 | $576.20 | +6.65% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-02-04 | $695.51 | -5.97% | Filled | 13d | 28d | 21% | 21% | 34% | 90% |
| 2026-01-30 | $539.30 | +20.75% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-01-06 | $274.08 | +5.35% | Open | — | — | 2% | 2% | 2% | 2% |
| 2025-12-22 | $237.61 | +5.07% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-12-18 | $206.83 | +7.69% | Open | 1d | — | 55% | 55% | 55% | 55% |
| 2025-12-01 | $223.28 | -5.12% | Filled | 5d | 5d | 30% | 100% | 100% | 100% |
| 2025-11-13 | $283.10 | -5.33% | Filled | 3d | 35d | 25% | 98% | 98% | 98% |
| 2025-11-04 | $207.01 | -9.12% | Filled | 1d | 2d | 79% | 100% | 100% | 100% |
| 2025-11-03 | $199.33 | +5.78% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-10-30 | $204.36 | -6.04% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-10-29 | $175.53 | +6.35% | Open | — | — | 46% | 46% | 46% | 46% |
| 2025-10-15 | $127.29 | +5.86% | Open | 1d | — | 57% | 57% | 57% | 57% |
| 2025-10-14 | $134.61 | -8.19% | Filled | 1d | 2d | 63% | 100% | 100% | 100% |
| 2025-10-13 | $116.91 | +10.97% | Open | 2d | — | 44% | 68% | 68% | 68% |
| 2025-10-02 | $121.12 | +6.25% | Filled | 1d | 3d | 72% | 100% | 100% | 100% |
| 2025-09-29 | $97.12 | +7.34% | Open | — | — | 13% | 13% | 13% | 13% |
| 2025-09-11 | $73.92 | +11.34% | Open | — | — | 11% | 11% | 11% | 11% |
| 2025-09-04 | $53.01 | +5.02% | Open | — | — | 5% | 5% | 5% | 5% |
| 2025-08-15 | $46.68 | -7.75% | Filled | 1d | 6d | 85% | 100% | 100% | 100% |
| 2025-05-12 | $37.74 | +9.01% | Filled | 6d | 10d | 34% | 77% | 100% | 100% |
| 2025-04-23 | $29.62 | +7.98% | Open | 1d | — | 75% | 75% | 75% | 75% |
| 2025-04-14 | $31.97 | +5.57% | Filled | 1d | 3d | 71% | 100% | 100% | 100% |
| 2025-04-10 | $36.58 | -5.41% | Filled | 3d | 20d | 22% | 79% | 79% | 100% |
| 2025-04-04 | $38.26 | -6.64% | Filled | 4d | 4d | 6% | 100% | 100% | 100% |
| 2025-04-03 | $47.67 | -6.02% | Filled | 53d | 54d | 0% | 0% | 0% | 0% |
| 2025-03-07 | $46.50 | +5.81% | Filled | 1d | 20d | 76% | 76% | 76% | 100% |
| 2025-03-04 | $50.31 | -7.20% | Filled | 1d | 4d | 94% | 100% | 100% | 100% |
Frequently Asked Questions
What is SNDK's premarket price?
Sandisk (SNDK) is trading at $1460.01 in premarket, up $23.45 (1.63%) from the previous close of $1436.56.
Why is SNDK moving in premarket?
Sandisk (SNDK) is up 1.63% 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 SNDK premarket headlines and gap history below for the likely catalyst.
When does SNDK premarket trading start?
Premarket trading for SNDK 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 SNDK fill its gaps?
Over the past 5 years, 54% of SNDK gap-ups have fully filled and 86% of gap-downs have filled. Median time to fill is 3 trading days for gap-ups and 5 trading days for gap-downs.
Does SNDK have any unfilled gaps?
Yes. SNDK has 4 unfilled gaps from the past 60 days. The largest is a +8.7% gap up from Jul 21, 2026 and is currently 83% retraced.
What's the average return after a SNDK gap?
Based on 47 qualifying gap events over the past 5 years, the average 20-trading-day return after a SNDK gap up is +40.07%, and after a gap down is +22.4%.