Twenty One Capital enters the week carrying a fresh ownership headline and one of the tightest borrow markets in its short listed life — a combination that makes the divergence between its options positioning and its short interest all the more striking.
The ownership story broke on Wednesday. Tether International bought out the remaining SoftBank stake in XXI, consolidating control further into the hands of its founding crypto shareholders. Tether already held 45% of shares, and with iFinex (the BVI entity linked to Bitfinex) owning another 17%, the two entities together now dominate the cap table. SoftBank had held 25.7% as the other anchor investor and its exit, at undisclosed terms, removes one of the more recognisable institutional names from the register. Morgan Stanley Investment Management and Vanguard each own around 3% and 1.7% respectively, with the remaining float thinly spread across 32 disclosed holders. The concentration of ownership is extreme — roughly 87% of shares are held between three entities — which goes a long way to explaining why the borrow market behaves the way it does.
That borrow market is genuinely constrained. Availability has been oscillating below 15% for most of May, and on multiple days this month — May 4th, 7th, 11th, 13th and 14th — it dropped to near zero, meaning essentially every share in the lending pool was already lent out. At last reading, availability stood at 5.8%, well below the rough threshold that signals a tight market. The 52-week floor of 0.23% shows how acute the squeeze can get. Cost to borrow is running at 5.24% annualised, which is lower than the 8% levels seen in early April but still far above a generic large-cap rate, reflecting the structural difficulty of sourcing shares. Short interest is 5.7% of the free float — down from around 7.1% a month ago but still meaningful for a stock this thinly traded in practice. The week saw a 9% rise in shares short before a modest pullback on Tuesday; shorts have been rebuilding since mid-May after a brief collapse around May 11–12.
Options traders are reading the setup very differently from short sellers. The put/call ratio has dropped to 0.16 — almost three standard deviations below its 20-day average of 0.19 and near the lowest reading of the past year (the 52-week floor was 0.16 on May 18). That means call volume is running heavily dominant over put volume, an unusually bullish options skew for a stock that is down 8.7% on the week and 9.6% year-to-date. Whether those calls reflect genuine directional conviction or are hedges against short positions is impossible to determine from the ratio alone, but the gap between the two signals — shorts quietly rebuilding into a tight borrow, options traders loading up on calls — is the central tension in this setup heading into June.
The ORTEX short score has eased to 64.9 from a peak of 70 earlier in the month, reflecting the reduction in raw short interest from its April highs near 7.3% of float. Still, a score near 65 places XXI firmly in the elevated-bearish-sentiment range. The recent earnings history provides little comfort for either side: the last three announcements produced a flat response (+0.5%), a mild fall of 3.2%, and a sharper drop of 7.3% five months ago. The next event is scheduled for June 12th. Close peers COIN fell 6.8% on the week while BKKT gained 9.1%, illustrating how dispersed returns across crypto-adjacent names have been — a sector bid can lift XXI fast, but the tightly held float means that move, in either direction, can come with little warning.
The Tether-SoftBank transaction and the resulting ownership shift are the most concrete things to track now — any further share redistribution from the exiting SoftBank block, or a change in how those shares enter the lending pool, would directly affect the availability picture heading into the June 12th earnings date.
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