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DX heads into its Q3 earnings report today with short interest near a multi-month high and options traders tilted toward protection, even as the borrow market remains far from stressed.
The most striking positioning shift has been in short interest, which has climbed sharply over the past month. At 12.1% of the free float, short interest is up 29% over the past 30 days, a meaningful acceleration for a mortgage REIT. Despite that build, the borrow market is not signalling a squeeze setup. Availability runs at 161.7%, meaning there are roughly 1.6 shares available to lend for every share already borrowed, comfortably above the 52-week tightest point of 123.9%. Cost to borrow, at 0.62%, has crept up 7% on the week and 50% over the month, but remains low in absolute terms. Options positioning has hardened in parallel: the put/call ratio sits at 0.89, above its 20-day average of 0.81, though the z-score of 0.49 puts this well short of an extreme. The stock itself is down 10.6% over the past month to $10.93, though it recovered modestly, up 0.6%, over the past week.
The analyst debate splits cleanly on how the macro plays out. Bulls point to the $109 million fair value gain on Dynex's $19.4 billion portfolio, an adjusted economic net interest spread that widened to 100 basis points, and a return-on-equity outlook in the high teens if spreads continue tightening and the yield curve steepens further. The most recent coverage action, BTIG cutting its target from $14.50 to $12.00 on October 7 while keeping a Buy rating, captures the tension precisely: constructive on the business but acknowledging that the price has fallen toward fair value. The consensus mean target of $13.75 still implies roughly 26% upside from the current level, though bears warn that any meaningful Federal Reserve agency MBS purchases could compress net interest margins via accelerated prepayments. The stock trades at 0.91 times book value and 7.2 times earnings, cheap multiples that reflect exactly that uncertainty.
One ownership move is worth flagging. Vanguard's 13G/A filing from March 2026 showed its stake had fallen to zero, down from 5.78% previously. BlackRock, by contrast, remains the largest reported holder at 7.7% of the class, though its most recent 13G/A from April 2026 shows that stake trimmed from 9.1%. As the standard caveat applies, these positions are as-last-disclosed around the 5% threshold, and actual current holdings may differ. Millennium Management and Marshall Wace both built material positions as of mid-year, with Marshall Wace's reported stake almost entirely new. That mix of hedge-fund accumulation alongside passive outflows adds an ambiguous backdrop to the print.
After the last earnings event in July 2026, DX fell 2.3% on the day and extended that move to a 5.2% loss over the following five sessions. The print today will test whether the current price, already 10% below last month's levels, already reflects the interest-rate and prepayment risks the bears have been building against, or whether the company's portfolio marks and spread commentary give the bulls something to work with.
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