MU IV crush this week did more work than the stock ripping to $1255 ever did
u/willbabu ·
Reddit — r/wallstreetbets
· August 08, 2026 at 16:05
· ⬆ 33 pts
· 💬 8 comments
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I’m short 17 MU $500 CSPs expiring June 2027, sold in three tranches: 5/20 at $93.54 (MU closed approx $732 that day), 7/10 at $65.95 (MU approx $979), and 7/20 at $74.99 (MU approx $865), for a blended average of approx $83.25. They’re currently marked at $50.27 (last price sold), putting the position up about $56K (39.6%).
What’s interesting is how little of that came from the stock and how much came from vol the last week (see my second photo). IV was in the 90s when I wrote these; it’s now 75.8%. The day after MU’s earnings, when the stock was at $1,255 ATH, these same puts were still trading around $60. This week they’re marked in the low $50s even though the stock is $380 below that ATH, mostly due to pure IV crush. In fact, even at the time of sale, the premiums tracked IV more than spot, as you can see my biggest premium came with the stock at $732 and my smallest with it at $979. With a vega of 1.60, vol coming in has done more of the lifting than delta or theta.
Pleasantly surprised about this after the rollercoaster (mostly down) MU and memory had over the last 6 weeks. Frankly, I’m considering closing or at least halving the position next week, take the 40% gain, instead of having to hold for another 10 months and through 3, possibly 4 more earnings/guides. I absolutely plan to buy MU at $500 but I wouldn’t mind taking the profit, and waiting for IV to creep up (possibly closer to earnings) and re-writing at a higher premium. Let me know what yall think.
\*note csp means cash secured put, not naked put.
\*MU positions: 1350 long shares and these 17 MU $500 6/27 csps