IREN enters the final stretch before its August 27 earnings release with the short position ticking back up and the borrow market snapping shut again — reversing the tentative easing flagged in the previous note.
The short base had been retreating from its early-August peak. Previous notes documented the position falling from 102 million shares to 93.9 million as of August 13. That retreat has stalled. Short interest climbed back to 100.5 million shares by August 18 — a 7% rebound in five sessions — returning to 35.5% of free float and essentially back at the highs. This is the first meaningful reversal in the multi-week easing trend, and it matters: the 30-day build now runs at 23%, still one of the more aggressive accumulation paces in the peer group. The availability story has tightened in parallel. After briefly opening to 5.2% on August 13 — the loosest reading in weeks, and the development that prompted cautious optimism in the last piece — availability has snapped back to 1.65%. For context, the 52-week floor was 0.70%, recorded August 4. The lending pool is effectively sealed again. Cost to borrow has edged down fractionally to 1.09% on the week, but that figure reflects incumbents holding cheap legacy positions, not a genuine reopening of supply. The stock ranks in the 1st percentile on availability and the 6th percentile on short score — two of the most extreme readings across the ORTEX universe.
Options positioning has shifted noticeably over the past month, and not in the direction bears might prefer. The put/call ratio has dropped to 0.89 from readings above 1.05 that persisted through late July. That's modestly below the 20-day mean of 0.93, and well off the 52-week high of 1.08 touched in mid-July. The z-score of -0.43 is unremarkable, but the directional shift is clear: options traders have rotated away from the defensive posture they held for most of July. That rotation coincides with IREN gaining 5.7% on the week and 25% over the past month, even after Tuesday's 6.5% pullback to $42.00.
The analyst community is solidly constructive, though the consensus hasn't fully closed the gap to current reality. The most recent action came from HC Wainwright, which raised its target to $90 from $85 on July 22, while Macquarie held at $90 and Canaccord held at $79. B. Riley has the highest published target on the Street at $96, with Cantor Fitzgerald at $99. Against a $42 close, the bull case rests on IREN's 670MW of capacity coming online in 2027-2028, the Microsoft partnership, and renewable energy-backed AI cloud contracts. The bear case centers on execution risk — construction delays, GPU deployment timelines, and dilution — rather than any fundamental rejection of the growth thesis. The EV/EBITDA multiple has compressed 30 points over the past month to just under 4x, which the bulls argue undervalues the forward capacity build substantially. EPS momentum scores sit in the bottom decile on both 30-day and 90-day horizons, and the PE is deeply negative, reflecting a company still in heavy investment mode.
Among peers, Tuesday's session was broadly painful. KEEL fell 16.2% on the day and CIFR dropped 13%. WULF shed 11.25% and HUT lost 8.2%. IREN's own 6.5% decline was softer than most of the group, continuing the pattern of relative outperformance noted in recent weeks. On the week IREN is still up 5.7%, while WULF and CIFR are both down roughly 6-7% and HUT off 9%. The relative resilience amid a structurally extreme short setup remains the central tension of this trade.
What to watch now is whether the short base holds above 100 million shares into the August 27 print, and whether availability stays locked or opens again — the August 13 loosening proved short-lived, and a second tightening this close to earnings narrows the exit options for shorts if the results surprise positively.
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