Tesla stock gains 1.3% as Piper Sandler hails 20x FSD performance gain

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Tesla stock gains 1.3%

Highlights

Tesla shares climbed 1.3% as Piper Sandler reported a 20x improvement in FSD disengagement metrics, signaling major progress toward unsupervised driving.
The analysis suggests Tesla may be nearing a breakthrough in autonomous vehicle capability.
Technical indicators remain bullish, with the stock trading near key resistance around $450.

From a technical perspective, Tesla is trading above its 50-day and 200-day simple moving averages, which are currently around $410 and $375, respectively. This bullish alignment confirms that momentum remains in the buyers’ favor. Immediate resistance is now forming at the $450–$455 zone, which coincides with previous price rejection levels and also aligns with a key Fibonacci retracement level. A decisive break above this could open the path toward testing the psychological $480–$488 resistance band, the upper bound of the yearly range.

Relative Strength Index (RSI) readings are hovering near 68, close to overbought territory but not yet in extreme danger. MACD (Moving Average Convergence Divergence) remains in positive divergence, suggesting that momentum is not only intact but still building. However, some caution is warranted. The volume profile has been thinning on recent rallies, and bearish analysts have noted a potential double-top pattern forming near the $488 level, which could trigger a correction if buyers fail to defend recent gains.

Tesla stock price dynamics (October 2025 - December 2025). Source: TradingView.

Support levels to watch are located at $430, followed by the $420 level. A break below these would put the 50-day moving average in play as the next major downside target, around $410. Unless there is a fundamental catalyst, a sustained move below this level is unlikely in the near term.

FSD breakthrough drives investor optimism

The primary catalyst driving renewed interest in Tesla stock this week is optimism surrounding its Full Self-Driving (FSD) software. According to a recent report by Piper Sandler analysis, Tesla’s FSD version 14.1.x has seen a significant leap in performance. Most notably, the “miles to critical disengagement” — a key metric measuring how long the car can drive autonomously before human intervention is required — has improved from 441 miles to over 9,200 miles, a 20x increase.

This dramatic jump represents the largest improvement in FSD performance in four years of testing, signaling that Tesla may be on the verge of delivering a true unsupervised autonomous driving system. Analysts at Piper Sandler suggest this could be the “turning point” in Tesla’s software strategy, potentially transforming the company from a traditional EV manufacturer into a full-fledged AI and robotics firm.

The news has injected fresh enthusiasm into the stock, particularly as the broader EV space faces increasing macroeconomic and competitive pressures. Tesla’s margins have been under strain from ongoing price cuts, while Chinese competitors like BYD continue to gain market share. However, a successful rollout of unsupervised FSD could shift investor attention away from hardware margins toward software monetization and recurring revenue streams from licensing or subscription models.

Price outlook and scenarios

Looking ahead, Tesla’s stock could rally toward the $480–$488 range if the company provides additional data or guidance confirming progress on unsupervised FSD. A breakout above this range, particularly on strong volume, could trigger momentum buying and push the stock toward the $520–$550 zone in early 2026.

Conversely, if there is any delay in the rollout, or if FSD performance data fails to hold up under regulatory or public scrutiny, the stock may retrace to the $420–$430 support area. In a less optimistic scenario, Tesla could consolidate between $430 and $480 over the next few months while investors await further developments on the autonomy front.

Tesla shares came under pressure after Morgan Stanley downgraded the stock from “Overweight” to “Equal Weight,” citing a stretched valuation despite a slight price target increase to $425. The firm noted that Tesla’s stock has outpaced its fundamentals amid slowing EV sales, rising competition, and delayed autonomous adoption.

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