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SNDK

Sandisk Corporation Common Stock
1,378.22+12.84 (+0.94%)Close of Oct 21, 2026. Updated after each close.

Squeeze, trend and stretch for SNDK, read from our ThinkOrSwim tools after the close.

SNDK daily chart, Jul 29 to Oct 21, 2026Daily candles with the VMA line. SNDK closed at 1,378.22 on Oct 21, 2026, below a VMA of 1,476.08. The strip under the chart shows the Market Pulse stage for each session: Deceleration on 3 of the last 12.1000120016001800Jul 29Sep 1Oct 11,378.22SNDK daily chart, Sep 10 to Oct 21, 2026Daily candles with the VMA line. SNDK closed at 1,378.22 on Oct 21, 2026, below a VMA of 1,476.08. The strip under the chart shows the Market Pulse stage for each session: Deceleration on 3 of the last 12.16001800Sep 10Oct 11,378.22
VMAAccelerationAccumulationDistributionDecelerationStrip: Market Pulse stage per daily session.
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SNDK on Oct 21

SNDK closed up 0.94%. It is in a squeeze on 9 of 12 timeframes, Market Pulse is in the Deceleration stage, and price is 1.0 ATR below its VMA.

Squeeze

In a squeeze on 9 of 12 timeframes.

No squeeze on the daily chart.

See it in MTF Squeeze
Slingshot triggers in Squeeze Setups
WkD4h195m130m2h78m1h39m30m15m5m

In a squeeze Fired None. Join free for each timeframe's tier and bar count.

Trend

Market Pulse is red, in the Deceleration stage.

Deceleration since Oct 19, 3 sessions in a row, and on 3 of the last 12.

Market Pulse indicator
Stretch

1.0 ATR below its VMA.

1,378.22 against a VMA of 1,476.08, 6.63% below.

1,378.22Close
1,476.08VMA
95.14Daily ATR
Relative

Beat SPY by 0.41 points.

SPY rose on Oct 21.

+0.94%SNDK
+0.53%SPY

Opening range, Oct 21

30-minute range: 1,327.62 to 1,424.48, $96.86 wide

Price stayed inside the range all session and closed at 1,378.22.

SNDK 5-minute chart, Oct 21, 2026, with the 30-minute opening rangeThe first 30 minutes ran from 1,327.62 to 1,424.48. Price stayed inside the range all session and closed at 1,378.22.1,424.481,327.629:3010:3011:3012:301:302:303:30SNDK 5-minute chart, Oct 21, 2026, with the 30-minute opening rangeThe first 30 minutes ran from 1,327.62 to 1,424.48. Price stayed inside the range all session and closed at 1,378.22.1,424.481,327.629:3011:301:303:30

Backtest every SNDK breakout in ORB Setups

SNDK Volatility Box levels

Everything above is free. These rows are where SNDK is statistically stretched, from the aggressive and conservative Volatility Box models on daily and hourly data.

LevelDaily, aggressiveDaily, conservativeHourly, aggressiveHourly, conservative
Upper 3
Upper 2
Upper 1
Last close1,378.221,378.221,378.221,378.22
Lower 1
Lower 2
Lower 3

SNDK's daily and hourly levels are in Stock Volatility Box ($169 a month) and the Bundle.

See plans

SNDK questions

Is SNDK in a squeeze?

Yes. As of the Oct 21, 2026 close, SNDK is in a squeeze on 9 of the 12 timeframes we track. No squeeze on the daily chart.

Is SNDK in an uptrend?

No. Market Pulse has SNDK in the Deceleration stage: price below its VMA with the 8, 21 and 34-bar VWMAs stacked down. Deceleration since Oct 19, 3 sessions in a row, and on 3 of the last 12.

What was SNDK's opening range on Oct 21?

The first 30 minutes ran from 1,327.62 to 1,424.48, a range of $96.86. Price stayed inside the range all session and closed at 1,378.22.

Where are SNDK's Volatility Box levels?

Stock Volatility Box and Bundle members see SNDK's daily and hourly levels on this page and in the Volatility Box platform.

Free tools for reading SNDK

Multi-Time Frame (MTF) Squeeze Indicator for ThinkOrSwimIndicators · BeginnerMarket Pulse Indicator for ThinkOrSwim: Find the 4 Market StagesIndicators · Beginner-FriendlyOpening Range Breakout (ORB) Indicator for ThinkOrSwimIndicators · Advanced

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