AST SpaceMobile (ASTS) Stock: 32% Jump in First Three Days of 2026

TLDR

• ASTS stock surged 32% in first three trading days of 2026, adding $7 billion to market cap
• Short interest increased to 13.6% from 12.1% as overnight trading showed 2.3% decline
• Annual returns hit 324% with three-year gains of 19x current investment
• DCF model values shares at $102.27 versus $97.57 current price, suggesting 4.6% undervaluation
• Price-to-book ratio of 22.09x exceeds telecom industry average of 1.13x by wide margin

AST SpaceMobile stock kicked off 2026 with explosive gains. The first three trading sessions delivered a 32% surge.

AST SpaceMobile, Inc., ASTS

This rally added $7 billion to market capitalization. Tuesday’s session closed up 7% before overnight trading reversed 2.3%.

The 2026 momentum extends a powerful 2025 run. ASTS climbed 324% over the past year.

Three-year returns multiplied investments by 19x. The stock recently traded at $97.57 per share.

Short Interest Climbs as Stock Pulls Back

Short sellers increased their positions. Short interest reached 13.6% this month versus 12.1% one year ago.

Stocktwits users flagged potential short-selling pressure. Platform sentiment shifted to bullish from neutral last week.

Retail activity remains elevated. Followers grew 50% over the past year.

Message volume doubled during the same period. The last 24 hours saw a 10% jump in retail chatter.

One trader forecasted a fivefold increase over three years. The company builds space-based cellular broadband networks.

BlueBird satellites connect standard mobile phones directly to space. AST SpaceMobile signed deals with the U.S. government and Verizon in 2025.

The company expanded manufacturing facilities. Agreements with over 50 mobile operators cover nearly 3 billion subscribers worldwide.

December marked a key milestone. The BlueBird 6 mission launched and became the largest commercial communications array in low Earth orbit at 2,400 square feet.

Valuation Analysis Shows Mixed Signals

A discounted cash flow analysis estimates fair value at $102.27 per share. Current trading levels represent a 4.6% discount to this DCF valuation.

Financial projections show negative free cash flow for 2026 and 2027. Analysts expect positive cash flow reaching $1.12 billion by 2030.

Recent twelve-month free cash flow posted a $1.08 billion loss. The price-to-book ratio paints a different picture.

ASTS trades at 22.09x book value. The telecom industry averages 1.13x while peers average 6.73x.

Valuation checks score 1 out of 6 metrics. The stock appears undervalued on only one measure.

Recent performance shows strong momentum across timeframes. Seven-day returns hit 30.6% with 30-day gains at 32%.

Year-to-date performance stands at 16.9%. Competitor Rocket Lab gained 214% annually while Intuitive Machines rose marginally.

ASTS delivered 333% returns over 12 months. The company holds partnerships representing nearly 3 billion mobile subscribers globally through its operator network.

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