IREN delivers first AI data center to Microsoft as short interest hits 26%
IREN Ltd. delivered its first 50-megawatt AI Cloud deployment to Microsoft, advancing a $9.7 billion contract and confirming its pivot from Bitcoin mining. Shares rose 7% as Nvidia granted Exemplar Cloud status. With short interest at 26% and earnings due Aug 27, investors weigh strong AI sector demand against rising input costs and competitive pressures.

*this image is generated using AI for illustrative purposes only.
IREN Ltd. (NASDAQ: IREN) shares rose approximately 7% Thursday after the company delivered its Horizon 1 AI Cloud deployment to Microsoft Corp. (NASDAQ: MSFT). The milestone represents the first of four planned 50-megawatt IT-load AI Cloud deployments for Microsoft at IREN’s Childress, Texas campus, advancing a five-year, $9.7 billion cloud services contract announced in November 2025.
The delivery confirms the initial phase of IREN’s strategic pivot from Bitcoin mining toward AI infrastructure. The deployment uses direct-to-chip liquid cooling and was tested by Nvidia Corp. (NASDAQ: NVDA), which granted the facility Exemplar Cloud status. This designation recognizes IREN’s ability to support demanding AI workloads at scale with strong performance and reliability.
Microsoft Signs Off on First IREN AI Deployment
Horizon 1 is a 50-megawatt deployment of Nvidia GB300 NVL72 systems. It is the first of four such facilities scheduled for delivery in 2026, which will together supply 200 megawatts of capacity. Once accepted, the service term begins and IREN can start invoicing Microsoft monthly.
Nvidia separately granted Horizon 1 Exemplar Cloud status after testing the systems. The contract is expected to generate roughly $1.94 billion in annualized revenue once all four Horizons are running.
| Metric | Value |
|---|---|
| Deal Value | $9.7 billion |
| Duration | Five years |
| Horizon 1 Capacity | 50 megawatts |
| Total Planned Capacity | 200 megawatts |
| Expected Annualized Revenue | $1.94 billion |
From Bitcoin Miner to Microsoft AI Supplier
IREN listed on the Nasdaq in 2021 describing itself as a Bitcoin mining company, and its accounts show how recent the pivot is. The company reported $511.5 million in Bitcoin mining revenue over the nine months through March, against $58.3 million from AI Cloud.
Management now targets more than $4 billion in AI Cloud annualized run-rate revenue by year-end, with roughly 85% already under contract. In July, IREN inked a $2.8 billion deal with companies like Figure AI, Fluidstack, Fireworks AI, and Hume AI, further boosting its expected ARR.
The shift comes as Bitcoin remains under pressure. Bitcoin (CRYPTO: BTC) trades near $63,500, roughly half its October 2025 record, and traders on Polymarket currently put the chances of it touching $55,000 this year at 56%.
Sector Demand and Competitive Landscape
Top companies in the neocloud industry have reported strong financial results recently. CoreWeave (NASDAQ: CRWV) and Nebius (NASDAQ: NBIS) said that their revenues jumped by triple digits, with their backlog soaring to record levels. Nebius stated it could sell out its 2027 capacity today. More signs of robust demand came from Riot Platforms (NASDAQ: RIOT), which inked a major multi-year deal with Anthropic.
However, the industry has become highly competitive, with companies like Riot Platforms, Cipher Mining, SpaceX, and Meta Platforms moving into the sector. The main risk facing IREN is that the cost of key inputs like servers, memory, and GPUs continues to rise, potentially leading to increased debt or shareholder dilution.
What the Numbers Show
The revenue mix reveals a stark divergence between IREN’s legacy business and its new strategic focus. While Bitcoin mining generated nearly nine times more revenue ($511.5 million) than AI Cloud ($58.3 million) in the first nine months through March, management projects AI Cloud annualized run-rate revenue to exceed $4 billion by year-end. This implies the AI segment is growing exponentially faster than the core mining business, which faces headwinds from declining Bitcoin prices.
Technical Analysis and Earnings Ahead
The stock has rebounded sharply from its July low of $28.80 to a high of $49, ending the week at $44. It was trading about 20% above its 20-day simple moving average of $38.79. However, IREN remains near several longer-term technical levels. The stock was about 2% above its 50-day moving average of $45.35 but remained slightly below its 100-day and 200-day averages. The MACD was above its signal line, another sign that short-term momentum has improved.
Investors are also looking toward IREN’s next earnings report, estimated for Aug. 27. Analysts expect a loss of 63 cents per share on revenue of $139.5 million. Revenue totaled $187.3 million in the year-ago period. Benzinga data shows that the average estimate indicates revenue dropped 26% in the last quarter to $139 million, attributed to Bitcoin mining operations. For the year, guidance is expected to show revenue of $722 million, up 41% YoY, jumping 314% to $2.33 billion subsequently.
Short interest is rising as risks remain, currently standing at 26%, meaning over a quarter of its float is held by short sellers. Options expiring on August 21 have an implied volatility of 88, while those expiring on the 28th have 109%. The put/call volume ratio for these options is 0.40, while the put/call open interest is 0.88, suggesting more puts positioning.
IREN carries a Buy consensus rating with an average price forecast of $79.67. Recent analyst actions include H.C. Wainwright maintaining a Buy rating and raising its price forecast to $90. Canaccord Genuity maintained a Buy rating with a $79 forecast, while Macquarie maintained an Outperform rating with a $90 forecast.
The Pivot Still Comes With a Huge Price Tag
The deal requires roughly $5.8 billion in GPUs and related equipment purchased through Dell Technologies Inc. (NYSE: DELL). Microsoft is due to pay 20% of the contract value upfront across the four tranches, while IREN has secured $3.6 billion in GPU financing.
Famed short-seller Jim Chanos has questioned the economics, warning, “This is a financing deal, w/IREN taking all the risk.”
Thursday’s acceptance clears the first major execution hurdle, with Horizons 2-4 still due later this year. Whether the returns justify the capital remains open, but IREN just showed a Bitcoin miner can build the infrastructure powering the AI trade.
How will IREN manage the financial risk of rising GPU and server costs, given that input prices are increasing while it bears the capital expenditure burden?
What impact will the upcoming August 27 earnings report have on IREN's stock price, considering the expected revenue drop due to declining Bitcoin mining operations versus the growth in AI Cloud?
Can IREN successfully execute the delivery of Horizons 2-4 by year-end without facing supply chain bottlenecks or technical delays that could jeopardize the $9.7 billion contract?
































