iShares PHLX SOX Semiconductor (SOXX)

Key Updates

SOXX has risen 2.22% since the August 24 report, recovering from $508.13 to $519.40. This marks the first positive update following three consecutive declining reports (August 18: -5.21%, August 19: -2.08%, August 24: -2.74%), suggesting the ETF may be stabilizing near the $505-$508 support zone that coincides with its July 31 closing level cited by Michael Burry. Despite the bounce, the fund remains well below the $643 level at which Burry initiated his short and the $562.87 rebound high referenced in the August 17 report, indicating the recovery is tentative and has not yet reclaimed key overhead levels.

Current Trend

SOXX remains up a substantial 72.47% YTD and 47.44% over six months, reflecting the strength of the broader AI-driven semiconductor rally earlier in the year. However, shorter-term momentum has clearly decelerated: the 1-month return is only +5.69% and the 5-day return is slightly negative at -0.56%, confirming the ETF is in a consolidation phase after its sharp July-August drawdown. The 1-day gain of +0.78% and the 2.22% advance since the last report indicate a modest bounce off support near $505-$508, but price remains well below the $536-$563 resistance band established during Burry's staggered short entries and the prior rebound high.

Investment Thesis

SOXX offers concentrated exposure to the semiconductor value chain, which remains the primary infrastructure beneficiary of AI capital expenditure. The bull case rests on continued AI-related demand for compute, memory, and fabrication capacity. The bear case centers on valuation excess, financing structure risk in the AI ecosystem (notably the Nvidia-OpenAI circular financing arrangement), and rising competitive pressure from Chinese alternatives in both software and equipment. Market-wide factors — including credit market appetite for AI-related debt and historical patterns following severe monthly drawdowns — remain central to the thesis in either direction.

Thesis Status

The thesis remains contested and unresolved. The modest rebound to $519.40 offers no confirmation of a durable trend reversal, given the 5-day return is still negative and price remains far from reclaiming the $536-$563 resistance zone. Burry's continued rolling of short positions — now via March 2027 puts struck in the low-to-mid $400s — signals institutional conviction that further downside toward those levels remains plausible. Conversely, Dan Niles' "speed bump" framing and historical 1990s parallels support the case that the correction could prove temporary within a longer uptrend. Overall, the balance of evidence still favors a "wait for confirmation" stance rather than a clear resumption of the uptrend or continuation of the downtrend.

Key Drivers

The dominant driver remains the ongoing debate over AI capital spending sustainability, intensified by disclosure of Michael Burry's aggressive short positioning against SOXX and individual chipmakers including Nvidia and Micron, citing a price-to-sales ratio above 16 and the steepest premium to the 200-day moving average since 2000 (Business Insider). Compounding this is scrutiny of the $250 billion Nvidia-OpenAI circular financing deal, competitive pressure from lower-cost Chinese AI software and equipment, and signs of fatigue in AI-related investment-grade debt demand noted by UBS traders, all of which contributed to the sixth-worst monthly decline on record for the Philadelphia Semiconductor Index (CNBC).

Technical Analysis

SOXX has bounced 2.22% off the $505-$508 support region — a level reinforced by Burry's own reference to the July 31 close near $505 and his subsequent short additions near $506 and $536. The 1-day gain (+0.78%) and rebound since the last report suggest short-term buying interest at support, but the negative 5-day return (-0.56%) indicates the recovery lacks conviction. Key resistance sits at $536 (Burry's July 24 short entry) and $562.87 (prior rebound high); a sustained move above these levels would be needed to signal a genuine trend reversal. Failure to hold the $505-$508 support would expose the ETF to further downside toward the low-$400s, consistent with Burry's March 2027 put strikes.

Bull Case

• Portfolio manager Dan Niles characterizes the selloff as a "speed bump" within a broader uptrend, drawing parallels to 1990s drawdowns that preceded major long-term gains (CNBC).
• SOXX retains a robust +72.47% YTD return, underscoring the strength of underlying secular AI-driven semiconductor demand despite the recent correction.
• The ETF has posted a +47.44% six-month gain, indicating structural demand for semiconductor exposure has not been erased by the recent pullback.
• Price has rebounded 2.22% since the last report, bouncing from the $505-$508 support zone, suggesting potential near-term stabilization.
• The prior 22% monthly decline — the sixth-worst on record — may have pushed the index into oversold territory, potentially attracting contrarian buyers (CNBC).

Bear Case

• Michael Burry's short thesis highlights extreme overvaluation, with the Philadelphia Semiconductor Index's price-to-sales ratio exceeding 16 and its premium to the 200-day moving average at the highest level since 2000 (Business Insider).
• Burry has rolled put options to March 2027 with strikes in the low-to-mid $400s and progressively increased his short position as SOXX declined, implying a target of roughly 20%+ downside from current levels (Business Insider).
• The $250 billion Nvidia-OpenAI circular financing arrangement has raised concerns about the sustainability and real underlying demand behind reported AI capital spending (CNBC).
• Rising competition from lower-cost Chinese AI software and domestic chipmaking equipment poses a structural threat to incumbent semiconductor players (CNBC).
• BTIG's Jonathan Krinsky expects a test of the 200-day moving average, while UBS traders note fatigue in AI-related debt markets, suggesting the correction may extend further before resolving (CNBC).