The XRP Bitwise XRP ETF is generating an unusual tension this week: short interest has nearly doubled in a single session while the fund itself is up 23% over the past five days.
The positioning story is the most striking element of this week's setup. Short interest hit 14.4% of the free float on September 22 — up from just 7.8% the prior session, itself already double the level from a week earlier. The week-on-week build is 77%, and the one-month rise is 51%. That is a rapid accumulation of bearish bets against a fund that has simultaneously delivered some of the best weekly returns in its short history. Yet the borrow market is not yet reflecting stress: cost to borrow is a modest 2.7%, down from over 4% a month ago, and availability has tightened sharply — from effectively unlimited (nearly 9,000% in mid-September) to 147% now — but still sits in the "tight but not squeezed" zone. The 52-week low for availability was 5.7%, so there is a meaningful distance between where things are today and where they would need to be to create real short-squeeze pressure.
What makes the short build harder to read is that the ORTEX short score jumped from 28 to 49 in just five sessions. That is nearly the midpoint of the 0-100 range and reflects a genuine shift in how the model reads the aggregate short-side positioning signal — not extreme, but no longer dismissible. The score sat near 49 once before this month, on September 9, when short interest was similarly elevated, and it faded back to the high-20s within a week. Whether that pattern repeats depends on whether the underlying XRP price momentum holds.
Options traders are not positioning defensively. The put/call ratio at 0.16 is almost perfectly in line with its 20-day average of 0.163, and essentially flat relative to where it was last week. The z-score of -0.15 is negligible. For comparison, the PCR was running near 0.24 as recently as mid-August — options sentiment has shifted more bullish over the past month, even as short sellers have been adding. That divergence is the central tension of the week: shorts are rebuilding fast while call buyers remain in control of the options market.
Being an ETF, the XRP fund carries no traditional fundamental anchors — no earnings dates, no analyst targets, no insider transactions. The primary driver is the price of XRP itself, and the fund's $17.75 close on September 22 represents a 5.3% single-day gain. The prior ORTEX note on this name, published just yesterday, flagged minimal short interest at 1.3% — that number has since moved to 14.4%, one of the sharpest single-week short interest builds visible in the ORTEX dataset for any ETF product. Whether shorts are hedging a long XRP position elsewhere, expressing a directional view on crypto more broadly, or fading what they see as an overextended rally, the next move in availability is the number to watch: if it drops through 50%, the cost of maintaining those short positions will rise materially.
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