SNDK Stock Premarket

Sandisk Corporation Common Stock
SNDKNASDAQ • USD
1,754.14 USD
↗ 14.25 (0.82%)PRE MARKET (AS OF 07:25 AM EDT)
🟢Market: OPEN

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

SNDK is trading at $1754.14 in premarket, up $14.25 (0.82%) from its previous close of $1739.89.

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

Over the past 5 years, SNDK has had 57 qualifying gap events (gaps of 5% or more at the open) — 31 gap-ups and 26 gap-downs. Gap-ups averaged +8%, 58% have fully filled, median time to fill 3 trading days. Gap-downs averaged -7.2%, 88% have fully filled, median time to fill 5 trading days. Most recent: a -6.8% gap down on Sep 14, 2026, which filled in 5 trading days. SNDK has 1 unfilled gap from the past 60 days — a +6.9% gap up on Aug 12, 2026, currently 57% retraced. Average 20-trading-day return after a SNDK gap up: +30.26%. After a gap down: +12.46%.

Gap Ups31 events
Fill Rate
58.1%
Avg Gap
8.0%
Avg 50% Fill
1d
Avg Fill
3d
Avg 20d return after gap-up: +30.26%
Gap Downs26 events
Fill Rate
88.5%
Avg Gap
7.2%
Avg 50% Fill
2d
Avg Fill
5d
Avg 20d return after gap-down: +12.46%
Avg Gap Fill by Timeframes
Gap Ups
1 day1 week2 week4 week
fills 25%74%81%81%84%
fills 50%52%71%71%74%
fills 75%23%58%58%61%
fills 100%16%45%52%58%
Gap Downs
1 day1 week2 week4 week
fills 25%62%85%88%88%
fills 50%42%81%81%88%
fills 75%27%77%77%85%
fills 100%12%65%69%77%
Active Unfilled Gaps (past 60 days)
50 days ago
2026-08-12
Gap %
+6.86%
Gap From
$1271.05
% vs Current
-26.95%
retraced 57% to $1308.53
Complete Gap History — 57 events
DateGap FromGap %StatusDays to 50%Days to Fill% of Gap Filled After
1 day1 week2 week4 week
17 days ago$1633.35-6.85%Filled1d5d54%100%100%100%
2026-08-24$1596.08-6.39%Filled2d7d22%77%100%100%
2026-08-18$1786.85-6.12%Filled14d15d43%43%43%100%
2026-08-14$1528.11+7.78%Filled1d7d69%88%100%100%
2026-08-12$1271.05+6.86%Open1d—57%57%57%57%
2026-08-06$1350.50-13.12%Filled1d5d85%100%100%100%
2026-08-04$1288.03+5.45%Filled3d3d26%100%100%100%
2026-07-31$1279.96+8.10%Filled1d1d100%100%100%100%
2026-07-30$1015.89+11.73%Open——9%12%12%12%
2026-07-28$1278.23-8.19%Filled3d3d14%100%100%100%
2026-07-21$1390.95+8.68%Filled4d5d18%100%100%100%
2026-07-16$1615.00-5.42%Filled4d5d28%100%100%100%
2026-07-14$1673.97+7.95%Filled1d2d72%100%100%100%
2026-07-13$1915.92-6.42%Open51d—6%16%16%16%
2026-07-09$1727.18+6.28%Filled2d3d32%100%100%100%
2026-07-07$1744.43-7.17%Filled2d3d16%100%100%100%
2026-07-01$2273.73-8.29%Open——24%24%24%24%
2026-06-26$2335.00-7.07%Open1d—52%67%67%67%
2026-06-25$1914.46+16.92%Filled2d3d45%100%100%100%
2026-06-23$2273.73-11.70%Filled3d3d20%100%100%100%
2026-06-15$1980.10+6.11%Filled1d3d66%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%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%Open——2%2%2%2%
2025-12-22$237.61+5.07%Filled1d1d100%100%100%100%
2025-12-18$206.83+7.69%Open1d—55%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%Open——46%46%46%46%
2025-10-15$127.29+5.86%Open1d—57%57%57%57%
2025-10-14$134.61-8.19%Filled1d2d63%100%100%100%
2025-10-13$116.91+10.97%Open2d—44%68%68%68%
2025-10-02$121.12+6.25%Filled1d3d72%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%Filled1d6d85%100%100%100%
2025-05-12$37.74+9.01%Filled6d10d34%77%100%100%
2025-04-23$29.62+7.98%Open1d—75%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 $1754.14 in premarket, up $14.25 (0.82%) from the previous close of $1739.89.

Why is SNDK moving in premarket?

Sandisk (SNDK) is up 0.82% 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, 58% of SNDK gap-ups have fully filled and 88% 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 1 unfilled gap from the past 60 days. The largest is a +6.9% gap up from Aug 12, 2026 and is currently 57% retraced.

What's the average return after a SNDK gap?

Based on 57 qualifying gap events over the past 5 years, the average 20-trading-day return after a SNDK gap up is +30.26%, and after a gap down is +12.46%.