XLP has reversed course this week — shorts that spent the better part of May covering are now rebuilding positions, even as the ETF itself posts its best weekly gain in over a month.
The short-side flip is the standout development. Short interest climbed more than 11% in a single session on June 9, pushing the SI percentage of free float back to 15.6% from 14.2% at the start of the week. That reverses a steady covering trend that had run since early May, when SI sat near 21% of float. The ORTEX short score ticked up to 68.2 — its highest reading of the past two weeks — consistent with fresh bearish conviction rather than a stale holdover position. The previous notes flagged persistent covering; that trend has now broken.
The lending market is sending a mixed signal. Availability has actually loosened relative to the pinch seen earlier this month. It recovered to 53.8% by June 9, up from a low of 28.6% on June 3 that triggered the prior convergence report. Cost to borrow remains subdued at 0.65% — barely changed week-on-week and well below the 0.81% peak seen just days ago. That matters for reading the new short build: if fresh shorts were fighting a tight borrow market, the CTB would be climbing. Instead, borrow is cheap and supply is adequate. The new positions are being put on with relatively little friction.
Options positioning adds a separate layer of caution. The put/call ratio for XLP runs at 4.63 — structurally elevated for a broad ETF, though slightly below its 20-day average of 4.94. The ratio has been running in the 5x range for most of the past month. At 52-week lows approaching 1.36 and highs near 11.43, the current level sits toward the bearish end of the historical range without being extreme. Taken with the short rebuild, it suggests the options market and the lending market are broadly aligned: both lean defensive, neither is yet signalling panic.
The institutional picture provides context for why the float dynamics can be erratic. As of March 31, Susquehanna International Group added over 3 million shares — the single largest addition in the top-holder list — while Goldman Sachs trimmed by 2.6 million and Citigroup cut by 17.6 million. Large broker-dealer flows of that magnitude routinely distort the float available to lend, which explains some of the wild swings in availability seen through May and early June. The pool of truly lendable shares is shallower than headline availability figures sometimes suggest.
What to watch next is whether this short rebuild sustains through the week or collapses again as it did repeatedly through May — each time availability tightened sharply, covering followed quickly, making the distinction between a durable new short position and tactical repositioning the critical question for how crowded this trade becomes.
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