Nebius Group (NBIS) Plunges 6.8% Despite Groundbreaking AI Cloud Launch: Is the Bull Run Over?

Summary
• Nebius Group (NBIS) shares tumble 6.79% to close at $107.27, shedding $7.82 in a volatile session.

• The stock hit an intraday low of $107.01 before a slight recovery, despite a major 3.5 AI Cloud platform release.

• Trading volume spiked to 7.5 million with a turnover rate of 3.7%, signaling heavy institutional churn.

While Nebius unveiled its serverless AI Cloud 3.5 and secured new NVIDIA hardware, the market appears to be prioritizing technical exhaustion over fundamental gains. The stock opened at $113.255 and failed to hold momentum, closing near the day's lows as profit-taking overwhelmed the positive news flow.

Serverless Launch Meets Profit-Taking Pressure
The sharp 6.79% decline is a classic case of "sell the news" behavior, where the market digests the positive Nebius AI Cloud 3.5 announcement—which introduces frictionless compute and NVIDIA RTX PRO 6000 Blackwell Server Edition GPUs—and immediately liquidates positions. Despite the strategic pivot to serverless AI and the addition of the Data Transfer Service, the stock's inability to hold above $113 suggests that the recent rally had become overextended. The intraday high of $113.2999 was quickly rejected, indicating that sellers viewed the news release as a final opportunity to exit rather than a catalyst for new buying.

Cloud Computing Sector Under Pressure
The broader Cloud Computing sector is not immune to today's volatility, with sector leader Microsoft (MSFT) also recording a decline of -0.90%. This synchronized weakness suggests a sector-wide rotation out of high-multiple AI infrastructure plays, rather than an issue specific to Nebius's fundamentals. As investors reassess valuations in the face of rapid capital expenditure requirements, even strong performers like Nebius are feeling the drag from the broader tech sentiment.

Bearish Options Flow Targets $105 Support
The technical picture remains a battleground between short-term bearish momentum and long-term bullish structure. Key indicators show:• 30-Day Moving Average: $103.98 (price above, support zone)
• RSI: 61.89 (neutral-to-bullish, approaching overbought)
• MACD Histogram: 0.51 (positive momentum fading)
• Bollinger Bands: Upper $131.59, Lower $81.31 (price near middle band)

While the 200-day moving average at $87.58 confirms a long-term uptrend, the price action today indicates a short-term correction. The stock is testing the critical $105 level, which aligns with the high-volume put options. For aggressive traders, the options chain reveals two high-conviction plays for a potential downside continuation or a sharp bounce.

Selection 1: NBIS20260402P105
• Type: Put
• Strike: $105
• Expiration: 2026-04-02
• Volume: 510 (High liquidity)
• Turnover: $182,105 (Significant interest)
• Implied Volatility: 82.52% (High, anticipating move)
• Delta: -0.43 (Moderate sensitivity)
• Leverage Ratio: 23.61x (Balanced risk/reward)
• Theta: -0.045 (Time decay accelerates)
• Gamma: 0.030 (High price sensitivity)

This contract stands out due to its massive turnover and high gamma, indicating that large players are positioning for a significant move if the $105 support fails. The high implied volatility suggests the market expects a sharp drop or bounce.

Selection 2: NBIS20260402P98
• Type: Put
• Strike: $98
• Expiration: 2026-04-02
• Volume: 76 (Moderate liquidity)
• Turnover: $11,821 (Steady interest)
• Implied Volatility: 76.01% (Elevated)
• Delta: -0.22 (Lower sensitivity)
• Leverage Ratio: 51.57% (Moderate leverage)
• Theta: -0.086 (High time decay)
• Gamma: 0.025 (Good sensitivity)

This deep-out-of-the-money put offers a hedge with high leverage if the bearish trend accelerates toward the $98 level. The high theta suggests rapid value loss if the stock stabilizes, making it a speculative short-term bearish bet.

For a 5% downside scenario (target price ~$101.90), the NBIS20260402P105 would move deep into the money, while the P98 would gain value as the probability of hitting $98 increases. If NBIS holds $105, the bullish thesis remains intact, but a break below opens the door to the $97 support zone.

Backtest Nebius Group Stock Performance
The backtest of the performance of the iShares National Muni Bond ETF (NBIS) after a -7% intraday plunge from 2022 to the present reveals favorable short-to-medium-term gains. The 3-day win rate is 61.18%, the 10-day win rate is 67.65%, and the 30-day win rate is 78.82%, indicating a higher probability of positive returns in the immediate aftermath of the plunge. The maximum return during the backtest was 43.82%, which occurred on day 59, suggesting that NBIS has the potential for significant recovery following a sharp decline.

Watch the $105 Breakdown for Further Losses
The current 6.8% drop is likely a healthy correction after a strong rally, but the failure to hold gains following the AI Cloud 3.5 launch warns of immediate selling pressure. Investors should watch for a breakdown below $105, which would confirm a deeper bearish trend toward the 30-day moving average. While the long-term fundamentals supported by the Meta and NVIDIA deals remain intact, the short-term technicals suggest caution until the stock stabilizes. With Microsoft (MSFT) also down 0.90%, the sector remains under pressure, so traders should prepare for volatility rather than chasing a rebound immediately.