ARM enters its July 29 earnings print having jumped 7.5% on Tuesday to $289.73, leaving a cluster of recently rebuilt short positions suddenly offside — and options markets flipping to their least defensive stance in months.
The options signal is the most striking shift this week. Traders who spent the past month pricing in downside protection have pivoted sharply. The put/call ratio dropped to 1.14, almost three standard deviations below its 20-day average of 1.22 — the most call-heavy reading in the recent series. For context, the ratio has barely moved below 1.18 over the prior six weeks. Tuesday's rally appears to have triggered a rotation into calls, with participants either chasing upside or unwinding put hedges ahead of the print. That is a notable sentiment reversal, not a drift.
The short book is in an awkward position. Short interest has held near 17.1 million shares all week — essentially flat, up just 0.4% from seven days ago — after climbing from roughly 16.5 million in early July. Bears who rebuilt positions between $315 and $323 (as flagged in the prior note) are now looking at a stock trading $27 higher than the top of that range. Borrow conditions give them no squeeze pressure to worry about: availability runs at 269% — nearly three shares lent out for every eight available — and cost to borrow, while up 29% on the week, remains a negligible 0.55%. Shorts can hold. Whether they want to is a different question.
Analyst moves this week tell a split story. UBS trimmed its target sharply from $470 to $360 on Monday, reflecting post-rally valuation discipline while keeping a Buy. Wells Fargo followed Wednesday, cutting from $410 to $350 but holding Overweight. Against that, Susquehanna raised to $320 on Tuesday. The mean price target is $302 — fractionally below the current price — which suggests the Street, in aggregate, has not yet caught up to this week's move. KeyBanc's $430 target and TD Cowen's $475 remain the outliers on the bull side. HSBC's downgrade to Hold on July 14, with a $315 target, looks better-timed than the bears who shorted into the rally. The 12-month forward earnings multiple has expanded to roughly 108x PE and 90x EV/EBITDA on Tuesday's close alone — the valuation remains extreme by any conventional measure, and the factor score on analyst recommendation divergence sits at just 6 out of 100, reflecting how wide the bull-bear spread has become.
SoftBank's 86% ownership stake remains the structural overhang that never goes away. Among institutional holders, the most notable recent additions are Capital Research (up 2.4 million shares to Q2), Van Eck (added 2.2 million shares), and Invesco (added 6.1 million shares by June 30) — all building positions as the stock was declining from its highs. Insider activity through early June was entirely sells, with the Chief Commercial Officer and Chief Accounting Officer selling into strength above $300. Those transactions carried low significance scores and occurred at prices well above current levels.
The earnings history adds useful framing without requiring a forecast. The March 24 print delivered a 14.7% next-day gain and 10.5% over five days. The May 6 print was far quieter — up just 2.1% the next day, 5.9% over five days. Two data points is a thin sample, but the range of outcomes is wide. ARM is a stock where the reaction has historically been driven less by the headline number and more by royalty guidance and the pace of Armv9 adoption curves — precisely the metrics that underpin the bull case of 20% CAGR royalty growth through 2031.
With the print now one week away, the tension to watch is whether the options rotation toward calls holds or reverses into Friday, and whether the short book — still at 17.1 million shares and sitting on fresh losses — begins covering or doubles down going into results.
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