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The most interesting thing about $SNDK is not that it has risen again, but that it has brought the lesson from my previous loss right back in front of me. I previously shorted near 1688, but was pushed up all the way to around 1800, and finally accepted the loss and exited. Looking back now, my biggest mistake wasn’t the wrong direction, but using "it’s risen too much" as a reason to short. Now $SNDK has reached around 1780, and the 1-hour chart clearly shows: it was pulled from 1606 all the way to 1799, then there was no deep pullback, instead it consolidated around 1780. The BOLL is also narrowing, indicating the short term is waiting for the next volume surge to choose a direction. The news is even more interesting: $SNDK just announced FY26 revenue of $8.97 billion, a quarter-on-quarter surge of 51%, with data center business growing 437% for the year, and the company expects next quarter revenue to still be between $10.3–10.8 billion. Even more exciting, on September 18, $SNDK rose about 11% in a single day. The market logic for it is no longer just the "AI concept," but the chain of AI data centers → storage demand → NAND prices → earnings realization. So this time I dare not short just because "1800 is high." The previous high at 1799 is resistance, and around 1780 is now the dividing line between bulls and bears. After being taught a lesson by $SNDK once, my biggest change now is: whether it’s expensive or not is not a reason to short; the real reason is when the trend breaks down.