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NBIS: Bearish Options Bet and AI Infrastructure Sell-Off Dominate Retail Discussion

Nebius Group (NBIS) was a focal point on Reddit on August 18, 2026, driven by a large bearish put trade and a broader rotation out of high-growth AI infrastructure stocks. The stock declined 8.28% despite a strong earnings report, with retail investors discussing both the sector-wide sell-off and individual profit-taking moves.

  1. A

    NBIS
    $NBIS bearish options trade for 95 put contracts at $5.17 sparked widespread discussion on r/wallstreetbets.

  2. The stock fell 8.28% on the day, pressured by a sector-wide rotation away from AI infrastructure names amid rising treasury yields.

  3. Retail investors also discussed taking profits on momentum positions, including

    NBIS
    $NBIS, as part of a broader de-risking move.

NBIS

Reddit's Spotlight on a Bearish Bet

r/wallstreetbets saw a flurry of activity around

NBIS
$NBIS on August 18, headlined by a user who purchased 95 put contracts with a $250 strike price expiring in three days at a $5.17 premium. The post, titled "95x NBIS 250P 3DTE @ $5.17, because I hate money apparently," garnered 227 upvotes and 158 comments, reflecting significant engagement. The trader framed the move as a high-risk bearish wager, likely anticipating further downside in the stock.

The bearish sentiment came on a day when

NBIS
$NBIS already faced selling pressure. The broader AI infrastructure cohort declined after CoreWeave fell 12.10% on debt-financing concerns, with peers like Nebius and Applied Digital also dropping. The Motley Fool noted that higher interest rates and heavy capital spending were weighing on the sector.

Profit-Taking Among Retail Investors

Another prominent r/wallstreetbets post described a 21-year-old investor who sold half of their portfolio on Monday, locking in a 101% year-to-date gain. The portfolio included

NBIS
$NBIS alongside other AI, semiconductor, and space stocks. The investor cited high CAPE ratios, concentrated market leadership, and the crowded nature of the semiconductor trade as reasons for the de-risking move. This narrative resonated with many commenters, adding to the sense that retail sentiment toward high-momentum names like
NBIS
$NBIS
was turning cautious.

Earnings Strength vs. Market Headwinds

Despite the stock's decline,

NBIS
$NBIS reported a 454% revenue increase in its most recent quarter, which had driven a surge last week. The Motley Fool published a piece on August 18 asking whether the stock is a buy after that earnings report, highlighting the company's strong AI infrastructure demand. However, the same-day price action suggests that macro concerns—rising interest rates and debt-financing worries—overwhelmed the positive fundamentals, at least for the short term.

The combination of a high-profile bearish options bet, profit-taking by a retail winner, and a sector-wide sell-off made

NBIS
$NBIS the most discussed stock on r/wallstreetbets on August 18, with a sentiment score of 0.05 indicating a nearly neutral overall tone.

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