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Sometimes a stock does something so outrageous you have to step back and acknowledge the insanity of it. SanDisk (SNDK) absolutely crushed it in the first half of the year, racking up an 884% gain that left just about everything else in the dust.
I managed to grab a piece of this move along the way, but the sheer magnitude of this run is something you don’t see every day — or even every decade.
What makes the whole thing even more remarkable is how unusual these kinds of moves are for a company of this size. Stocks with this kind of market capitalization simply don’t jump 10% in a day. That kind of price action belongs to small caps, not multibillion-dollar giants.
Yet here SNDK is, rewriting the rulebook.
But here’s where it gets interesting, and this is the part most people overlook when they see a four-figure share price and assume the run is finished.
The Market Cap Math That Changes Everything
Despite trading around $2,200 per share, the market cap sits at $330 billion. I’m not saying it should or will happen, but mathematically this thing could triple to $6,600 and hit a $1 trillion market cap.
That’s not a prediction — it’s just the reality of where the valuation runway exists.
Recently, the stock was up $223 before shaving off about $37 after the close, trimming roughly 1% off the gains. But the fact that a company this large can make moves of that scale tells you how much energy is still behind it.
And a lot of that momentum comes from who’s trading it now.
This Isn’t Retail Territory Anymore
Once a stock crosses above the $500 mark, retail traders mostly disappear from the picture. What you get instead is a battlefield dominated by hedge funds, institutions and big-money desks. They have the capital to push a stock of this size around, and they’re often the ones swapping shares back and forth, feeding the momentum and looking for the trend to keep going.
When you look at the options chains on SNDK, it’s obvious that this isn’t where the average trader plays anymore. The premiums and size requirements have shifted the entire game toward institutions, and that shift is part of what allows the stock to sustain these outsized moves.
But there’s one thing that could interrupt the climb. If the company were to impose something disruptive like a 20-for-one split, it could break the rhythm and stall the run. But if they simply leave the stock alone, the momentum machine tends to keep doing what it’s doing.
It’s a pattern you see across markets. In some sectors, prices continue marching higher because of inflation and demand, yet certain underlying components move the opposite direction — like food costs rising while corn prices pull back.
Markets can behave irrationally, but the momentum within each sector often tells you where the pressure really is. Tech has its own dynamic right now, and SNDK is at the center of it.
The first-half winner of the year isn’t done yet. The math says there’s room. The institutions are still playing. And sometimes the craziest runs are the ones that keep going longer than anyone expects.
Jeffry Turnmire
Jeffry Turnmire Trading
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I’m just a regular dude in Knoxville, Tennessee: a husband, father, civil engineer, urban farmer, maker and trader.
I’ve been at this trading thing with real money for 20-plus years, and started paper trading over 35 years ago. I have a knack for making some epic predictions that just may very well come true. Why share them? Because I like helping other people — it’s the Eagle Scout in me.
*This is for informational and educational purposes only. There is inherent risk in trading, so trade at your own risk.
