Tesla enters the final stretch before its October 21 earnings with short sellers showing the first signs of hesitation — but not reversal — after two weeks of steady rebuilding.
The previous note, published Sunday, flagged a slow and deliberate short rebuild taking SI % FF to 2.64% on September 11. That trend has now stalled. Short interest eased back to 2.24% of the free float by September 15, unwinding much of what bears added over the prior two weeks. That drop matters: it marks a retreat from the highest short interest reading since the July washout, when Tesla fell 15.6% on earnings day and 21.3% over the following five sessions. Bears had been rebuilding toward that pre-earnings high. This week, they pulled back. Whether that represents caution ahead of the October print or simply profit-taking after a 3% weekly decline in the stock is the question the data cannot yet answer.
The borrow market sends no alarm bells. Availability remains essentially unlimited — the lending pool is nowhere near stressed — and cost to borrow, though up 42% from last week's level, is running at just 0.33%. That is not a squeeze setup. Short sellers face no meaningful friction in maintaining or exiting positions. The options market is equally calm. The put/call ratio of 0.77 is barely a whisker above its 20-day average of 0.77, with a z-score of 0.12. After the elevated defensive posture flagged two weeks ago, options traders have largely normalised. The setup looks balanced rather than charged.
The Street has grown more measured. Goldman Sachs' Mark Delaney reiterated a Neutral rating with a $360 target on September 16 — essentially flagging the stock as fairly valued at current levels. The consensus sits at sell, driven by just two sell ratings, but the more representative picture is a cluster of neutrals from major houses, most of which trimmed targets after July's earnings miss. JP Morgan holds a Neutral with a $445 target; Morgan Stanley is Equal-Weight at $400. The mean target of roughly $397 implies less than 12% upside from Tuesday's close of $356.58. The bull camp points to Tesla's energy business, software monetisation runway, and a $44 billion cash reserve as reasons the current multiple is defensible. Bears counter that autonomous driving has not yet been commercially validated at scale, that Cybercab hype exceeded the actual product reveal, and that Waymo continues to accumulate real-world robotaxi miles that Tesla cannot yet match. Valuation is unambiguously demanding: the stock trades at 176x trailing earnings and 81x EV/EBITDA, both compressing modestly over the past week but still near the top of any reasonable peer range.
One data point worth noting on the insider side: CFO Vaibhav Taneja sold 2,606 shares on September 8 for roughly $938,000. The transaction carries no 10b5-1 plan flag, making it a discretionary sale. It follows a similar-sized sale in early June. Neither trade is large enough to read as a macro call on the stock, but the pattern of the CFO selling at each rally is at least consistent with someone marking down the risk/reward from the current level.
Peer performance reinforces the cautious backdrop. XPEV fell 6.4% on the week and RIVN dropped 3.9%, both directionally in line with Tesla's 3.1% decline. SEV was the week's casualty, down nearly 12%. The weakness is broad across the EV complex, suggesting macro or sector-level pressure rather than anything Tesla-specific.
With October 21 now five weeks out, the key variable to watch is whether short sellers resume their rebuild — or whether the partial unwind this week is the start of a more sustained cover into earnings, as happened in reverse after the July print.
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