SNDK Stock Premarket

Sandisk Corporation Common Stock
SNDKNASDAQUSD
2,041.50 USD
49.95 (2.51%)PRE MARKET (AS OF 07:30 AM EDT)
🟢Market: OPEN

Premarket trading runs 4:00 AM – 9:30 AM ET.

SNDK is trading at $2041.50 in premarket, up $49.95 (2.51%) from its previous close of $1991.55.

Related PremarketWDCNVDAMU

Gap Analytics — 5-year history, 5% minimum gap

Over the past 5 years, SNDK has had 37 qualifying gap events (gaps of 5% or more at the open) — 22 gap-ups and 15 gap-downs. Gap-ups averaged +7.7%, 45% have fully filled, median time to fill 2.5 trading days. Gap-downs averaged -6.6%, 100% have fully filled, median time to fill 5 trading days. Most recent: a +6.1% gap up 2 days ago, still unfilled. SNDK has 2 unfilled gaps from the past 60 days; the largest is a +6.8% gap up on Apr 29, 2026, currently 33% retraced. Average 20-trading-day return after a SNDK gap up: +46.69%. After a gap down: +25.25%.

Gap Ups22 events
Fill Rate
45.5%
Avg Gap
7.7%
Avg 50% Fill
1d
Avg Fill
2.5d
Avg 20d return after gap-up: +46.69%
Gap Downs15 events
Fill Rate
100.0%
Avg Gap
6.6%
Avg 50% Fill
1d
Avg Fill
5d
Avg 20d return after gap-down: +25.25%
Avg Gap Fill by Timeframes
Gap Ups
1 day1 week2 week4 week
fills 25%73%77%77%82%
fills 50%55%64%64%68%
fills 75%27%50%50%55%
fills 100%18%32%36%45%
Gap Downs
1 day1 week2 week4 week
fills 25%73%87%93%93%
fills 50%53%87%87%93%
fills 75%40%87%87%93%
fills 100%20%73%73%80%
Active Unfilled Gaps (past 60 days)
2 days ago
2026-06-15
Gap %
+6.11%
Gap From
$1980.10
% vs Current
-0.57%
retraced 100% to $1980.22
49 days ago
2026-04-29
Gap %
+6.81%
Gap From
$1002.35
% vs Current
-49.67%
retraced 33% to $1048.01
Complete Gap History 37 events
DateGap FromGap %StatusDays to 50%Days to Fill% of Gap Filled After
1 day1 week2 week4 week
2 days ago$1980.10+6.11%Open1d66%100%100%100%
2026-04-29$1002.35+6.81%Open16%33%33%33%
2026-04-08$710.80+10.30%Open35%35%35%35%
2026-04-02$692.73-7.31%Filled1d1d100%100%100%100%
2026-03-25$702.48-7.33%Filled1d6d70%100%100%100%
2026-03-19$753.69-6.17%Filled1d1d100%100%100%100%
2026-03-03$619.08-6.05%Filled2d6d31%100%100%100%
2026-02-12$599.34+6.88%Filled1d2d61%100%100%100%
2026-02-11$541.64+6.81%Filled14d17d10%11%11%100%
2026-02-06$576.20+6.65%Filled1d1d100%100%100%100%
2026-02-04$695.51-5.97%Filled13d28d21%21%34%90%
2026-01-30$539.30+20.75%Filled1d1d100%100%100%100%
2026-01-06$274.08+5.35%Open2%2%2%2%
2025-12-22$237.61+5.07%Filled1d1d100%100%100%100%
2025-12-18$206.83+7.69%Open1d55%55%55%55%
2025-12-01$223.28-5.12%Filled5d5d30%100%100%100%
2025-11-13$283.10-5.33%Filled3d35d25%98%98%98%
2025-11-04$207.01-9.12%Filled1d2d79%100%100%100%
2025-11-03$199.33+5.78%Filled1d1d100%100%100%100%
2025-10-30$204.36-6.04%Filled1d1d100%100%100%100%
2025-10-29$175.53+6.35%Open46%46%46%46%
2025-10-15$127.29+5.86%Open1d57%57%57%57%
2025-10-14$134.61-8.19%Filled1d2d63%100%100%100%
2025-10-13$116.91+10.97%Open2d44%68%68%68%
2025-10-02$121.12+6.25%Filled1d3d72%100%100%100%
2025-09-29$97.12+7.34%Open13%13%13%13%
2025-09-11$73.92+11.34%Open11%11%11%11%
2025-09-04$53.01+5.02%Open5%5%5%5%
2025-08-15$46.68-7.75%Filled1d6d85%100%100%100%
2025-05-12$37.74+9.01%Filled6d10d34%77%100%100%
2025-04-23$29.62+7.98%Open1d75%75%75%75%
2025-04-14$31.97+5.57%Filled1d3d71%100%100%100%
2025-04-10$36.58-5.41%Filled3d20d22%79%79%100%
2025-04-04$38.26-6.64%Filled4d4d6%100%100%100%
2025-04-03$47.67-6.02%Filled53d54d0%0%0%0%
2025-03-07$46.50+5.81%Filled1d20d76%76%76%100%
2025-03-04$50.31-7.20%Filled1d4d94%100%100%100%

Frequently Asked Questions

What is SNDK's premarket price?

Sandisk (SNDK) is trading at $2041.50 in premarket, up $49.95 (2.51%) from the previous close of $1991.55.

Why is SNDK moving in premarket?

Sandisk (SNDK) is up 2.51% 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, 45% of SNDK gap-ups have fully filled and 100% 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 2 unfilled gaps from the past 60 days. The largest is a +6.8% gap up from Apr 29, 2026 and is currently 33% retraced.

What's the average return after a SNDK gap?

Based on 37 qualifying gap events over the past 5 years, the average 20-trading-day return after a SNDK gap up is +46.69%, and after a gap down is +25.25%.