Why this matters — Four distinct ORTEX signals have converged on GNLN (Greenlane Holdings) within days. Short interest, utilization, and cost-to-borrow have all spiked simultaneously, flagging acute stress in the stock's borrow market.
Short interest surges 128% in one week. SI % FF jumped from roughly 2.6% to 6.0% of free float. The one-week move of +128% is extreme. Over the prior month, short interest had fallen 58% — making this reversal sharper still.
Utilization hits 96.6%, near the 52-week peak. Borrowable shares are almost fully exhausted. The 52-week peak is 100%. Utilization stood below 20% as recently as late March. It has nearly quintupled in under four weeks.
Cost to borrow explodes to 203% APR. The CTB has risen 292% over the past month. It stood at ~31% in early April. It now sits at 202.6%, meaning short sellers pay more than twice the share value annually to maintain positions.
Short score reaches 81.4. ORTEX's composite short score is 81.4 out of 100. That score has held above 80 for most of the past two weeks, reflecting broad-based short pressure. GNLN ranks in the for both short score and utilization across its universe.
Institutional ownership is thin. Only 11 known holders appear in ORTEX data. The two largest — Yorkville Advisors (13.3%) and CoinFund Management (11.3%) — both entered positions as of Q4 2025. Vanguard added 3,130 shares as of Q1 2026. The shallow institutional base amplifies the impact of any forced short covering on liquidity.
Utilization hit 100% and CTB exceeded 265% on April 10. Short interest at that time was above 126,000 shares. SI then collapsed 83% over two weeks to ~22,000 shares before rebuilding sharply. The current setup mirrors that mid-April peak — though CTB is now re-accelerating from a higher floor.
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