SanDisk is going crazy again: If it can't break through 1,600, it's just stubborn talk; if it falls below 1,512, don't play dead. Or: Today's pre-market quick update.

The memory storage sector exploded collectively last night.

$SanDisk (SNDK.US)$SanDisk (SNDK) surged as much as 17.6% during intraday trading, closing up 13.67% at $1,528.11.It has accumulated a 26% gain over four trading sessions, with its year-to-date rise breaking through...540%。

$Western Digital (WDC.US)$Western Digital rose more than 7%,$SK hynix (SKHY.US)$SK Hynix rose more than 7%,$Micron Technology (MU.US)$Micron rose more than 4%,$Seagate Technology (STX.US)$Seagate rose nearly 5%The Philadelphia Semiconductor Index joined the rally, with the entire sector seeming to hit the fast-forward button. This was because SanDisk unveiled a 'blueprint' at its Investor Day that sent Wall Street into a frenzy.

But let’s leave the fundamental analysis there for now.

At current levels, continuing to fixate on narratives like 80% gross margins, NBM long-term contracts, and HBF is akin to ignoring the person standing right in front of you while still scrolling through their social media posts from three years ago.What truly matters next is how the price action unfolds on the charts.For SanDisk, the most critical factors right now are actually justtwo key levels:1,600 on the upside and 1,512 on the downside.

Don’t clutter your chart with a dozen lines like Spider-Man’s web; focus on defending these two levels first.

1,600: Are the bulls genuinely bullish, or just talking tough?

SanDisk hit an intraday high of $1,579.87 last night. And then what?It failed to break through 1,600.It was just this close.

It’s like scoring a 59 on an exam and then trying to explain to your mom, "I actually knew the material; I was just careless."

Bro,A miss is still a miss.So the most critical short-term resistance level right now is1580-1600in this zone, especially the psychological barrier at 1,600. Why is this level so important?

On one hand, last night's high touched this area, indicating there were indeed sellers here. On the other hand, SanDisk has rallied too quickly in recent days—up 26% in four trading sessions—leaving short-term traders with absurdly thick profits. While everyone is talking up the "AI storage re-rating," their hands are already hovering over the sell button.

Therefore, the 1,600 level is essentially a test of:

whether the capital that rushed in yesterday is here to ride the trend or just to take a quick hit-and-run profit.If it merely intraday touches 1,600 or 1,605 before slamming back down, that doesn't count as a genuine breakout. A truly strong move should look like this:

Breakout above 1,600 on heavy volume, closing firmly above this level, followed by a successful retest that held support.

Only when this structure forms can we consider the previous resistance having turned into support.

At this point, we can look higher, with the first target coming into view.Around 1,670。

1,512: This is the ultimate floor for the bulls.

The key support below is not the round number of 1,500, but ratheraround 1,512. This is because drawing a Fibonacci retracement from the high of 2,354 to the low of 998,places the 61.8% level right around 1,512.46. Sandisk's latest close was 1,528.11. In other words, the stock price is currently hovering just above 1,512, without having firmly established its footing yet.

So, if there’s a pullback ahead, don’t immediately cry foul and claim distribution is happening at the first sign of a dip. Watch the 1,512 level first. If there’s buying support near 1,512—such as an intraday breakdown followed by a quick rebound, or a lower-shadow candle formed after a low-volume retest—that’s all normal. In fact, I’d argue that a retest is healthier than trying to charge straight to 1,700 in one go.

Because the biggest risk right now isn’t a sudden deterioration in fundamentals. Rather, it’s:The rally has been too fast.Short-term overbought conditions and excessive profit-taking mean that without a shakeout, problems are more likely to arise.

That’s why I currently prefer two scenarios:

The first type:Waiting for a genuine breakout above 1,600.Not just an intraday touch, but a high-volume hold above the level, ideally followed by a retest for confirmation. Although this means buying at a slightly higher price, the direction is clearer. Once above, 1,670 becomes the next significant resistance level.

the second,Waiting for confirmation via a retest near 1,512.If prices stabilize at this level, it indicates that buying support remains. In this scenario, stop-loss levels are clearer, and the risk-reward ratio is actually more favorable.

The most difficult situation to trade is precisely the current one:Stuck in limbo, right when market sentiment is at its peak.

Final remarkFor SanDisk, there's no need to overcomplicate things right now. I'm just watching two key levels:

1600。

1512。

If it holds firmly above 1,600, it shows the bulls are still eager to push higher, with the next target at 1,670. If it breaks below 1,512 and fails to recover, it signals short-term weakness, so watch out for a drop to 1,400. At the current level of 1,528, neither the bulls nor the bears have won; both sides are just talking tough.

The 1,600 level will determine whether the rally can continue.

The 1,512 level will determine whether it collapses after the rally ends.

As for 2,200, 2,800, or 3,000? Let's not get ahead of ourselves.

First, let's see if it can hold steady above 1,600.

Finally, here are some pre-market views for today.

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