CHTR enters the back half of August carrying its most crowded short book in months — even as the stock bounced nearly 3% on Tuesday and has climbed 13% over the past month.
Short interest is the central tension here. Bears hold 17.6% of Charter's free float, a level that has climbed steadily since early July when it was closer to 15.5%. The past week alone added another 4.3% to the short position, and the month-on-month rise is now above 9%. That is a meaningful, sustained build — not a one-day spike. The ORTEX short score reflects it: 76.5 on August 18, up from 74.8 two weeks ago and the highest reading in the recent history visible in the data. Charter ranks in just the 2nd percentile for short score across the universe, meaning almost no stock carries a more bearish short-side signal right now.
The borrow market tells a nuanced story. Availability has tightened sharply from where it was in mid-July — back then it was above 150%, meaning shares to lend were plentiful relative to demand. Now availability has compressed to roughly 64%, close to its 52-week tightest reading of 61.7% hit on August 5. That move from loose to tight happened in under six weeks. Cost to borrow, however, remains low at 0.54%, up about 23% over the past month but still nowhere near squeeze territory. The picture is one of growing demand for shorts meeting a lending pool that is tightening, without yet tipping into the frantic borrow conditions that precede a squeeze. Days to cover run at six, enough to make any sharp reversal uncomfortable for the short side.
Options positioning is slightly more defensive than the recent norm but not alarming. The put/call ratio is running at 0.52, a little above its 20-day average of 0.49 — about one standard deviation elevated. The 52-week range runs from 0.42 to 0.95, so the current reading sits toward the call-heavy end of the historical range. Options traders are marginally more hedged than usual but are not piling into downside protection in any dramatic way.
The Street tells a bleaker story than the options market. After Q2 results on July 24 — which produced a 4% one-day gain and a 15% five-day rally — nearly every major firm cut its price target. JP Morgan lowered to $150 from $200. UBS made a more aggressive cut, dropping to $140 from $235. Wells Fargo and Barclays both lowered targets while holding Underweight ratings, with Wells Fargo at $101 — well below the current $148 price. Citigroup kept its Buy but trimmed to $180 from $190. The consensus remains nominally "buy" with four buys and one outperform on record, but the direction of travel is unmistakably lower. The bull case rests on Charter's regional broadband footprint, rural expansion, and diversified services. The bear case — broadband subscriber losses, heavy leverage, and an EBITDA multiple that leaves little room for error — is gaining more traction. EV/EBITDA sits near 5.5x, while the PE is a modest 3.6x, both reflecting how deeply the market has discounted the earnings stream. The stock trades at roughly a third of its 52-week high.
The institutional picture adds a complicating layer. Liberty Broadband, Charter's largest holder at 32% of shares, has been a consistent seller — offloading shares in May, June, and again in August, including a $257 million sale in May. That kind of sustained selling from the controlling shareholder adds pressure that no analyst upgrade can easily offset. Close peer CABO fell 17% on the week, making Charter's 6% weekly decline look relatively contained. LBRD.K, essentially a Charter proxy, tracked the move almost tick for tick with a 5.6% weekly drop.
What to watch next: whether the short build accelerates further toward the 20% of float level, and whether Liberty Broadband's selling pace slows — two signals that together would define whether the current setup is a value trap deepening or a floor forming.
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