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PennyMac Mortgage Investment Trust heads into its October 29 earnings release with short sellers building at the fastest pace in months and the stock trading well below where most analysts think it should be.
The short positioning story is the standout this week. Short interest has climbed 40% over the past month to 13.9% of the free float, a level the ORTEX short score flags as elevated, currently reading 74.2 out of 100. The build has been relentless: from roughly 8.6 million shares at the start of September to more than 12 million by October 7, with a 9% jump in the past week alone. Cost to borrow has moved with it, rising 82% over the past month to just over 1%, though that remains a modest absolute rate. Availability has tightened sharply too, dropping from above 200% in early September to around 103% now, still well above squeeze territory but the direction of travel is clear. Options positioning reinforces the cautious read. The put/call ratio is running at 1.40, just above its 20-day average of 1.39, so options traders are not yet sending a distress signal, but puts have outnumbered calls consistently all month.
The Street has been in retreat on PMT for most of 2026, and the gap between consensus targets and the current price tells its own story. The stock closed at $7.90 on October 7, down 18% over the past month. The mean analyst price target is $11.11, implying roughly 40% upside from current levels, but the trajectory of those targets has been steadily downward. Since last earnings in late July, Wells Fargo cut its target to $10 from $12, Piper Sandler trimmed to $10 from $11.50, and UBS dropped to $10 from $11.25, all maintaining neutral or equal-weight ratings rather than stepping away entirely. Deutsche Bank was the outlier, upgrading to Buy in August at a $12 target, though that move now looks ambitious given the stock has fallen further since. Keefe, Bruyette & Woods downgraded to Market Perform back in May. The overall posture is a cluster of neutrals sitting on declining targets, not a bullish setup.
The factor scores sharpen the picture. PMT scores in the 4th percentile for short score rank and the 6th for days-to-cover rank, both deep in the bearish zone. The dividend score is in the 95th percentile, which reflects the income appeal of the trust structure, though the dividend data in the snapshot is stale, with the last confirmed dividend dating back to mid-2022. On valuation, the price-to-book multiple has dropped 11% over the past 30 days to 0.54, and the PE has contracted by roughly 1.4 turns to 6.1 over the same period. Bulls can point to a stock trading at half book value with a projected return on equity of nearly 10% and strong correspondent mortgage volumes. Bears note the book value erosion, the decline in servicing unpaid principal balance from $224.6 billion to $221.6 billion, and a quality factor score that has flagged deteriorating fundamentals for several months.
The closest peers give additional context. MFA Financial fell 8.9% on the week. Chimera Investment dropped 6.0%. AGNC Investment lost 6.7%. PMT's 0.25% weekly gain is therefore a relative outperformance, though the monthly picture at minus 18% tells a grimmer story. The sector is clearly under pressure, and PMT's short interest build is running faster than the sector-wide weakness alone would justify.
With three weeks until the October 29 print, the key question is whether the short build is positioning around a feared book value miss or a dividend cut, or both. The previous earnings on July 29 produced a 4.9% one-day drop and a 3.5% five-day decline. Whether this quarter's setup, with short interest now materially higher and the stock 18% lower on the month, produces a different outcome is what to watch.
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