Tapeboard Blog — daily market pulse & trade breakdowns
Daily US market recaps, weekly and monthly reviews, and notes on building a professional-grade terminal for retail traders. Written from the tape, not the press release.
Highest Borrow-Fee Stocks Today: September 25, 2026 — Hard-to-Borrow Rates
INLF carries the highest IBKR borrow fee in Tapeboard's market-wide ranking at 313.3% annualized as of September 25, 2026, with 5 names in the hard-to-borrow or extreme tier.
-
Stock Market Today: September 25, 2026 — Dow Leads, VIX Slides Below 15
On September 25, 2026, the S&P 500 rose 0.51% to 7,743.41, the Dow Jones gained 0.93% to 51,828.62, and the Nasdaq added 0.48% to 27,068.72 as the VIX dropped 5.11% to 14.87 and health care led all sectors.
-
Highest Borrow-Fee Stocks Today: September 16, 2026 — Hard-to-Borrow Rates
BIAF leads Tapeboard's market-wide ranking with an 854.2% annualized borrow fee as of September 16, 2026, with 14 names sitting in the hard-to-borrow or extreme tiers.
-
Most Shorted Stocks Today: September 16, 2026 — Top 25 Squeeze Candidates
On September 16, 2026, PLAY leads the most shorted stocks leaderboard with a 74.4 squeeze score, 32.5% short interest and a 47.6% borrow fee, while every name on the top 25 sits on the FINRA threshold list.
-
Top Short-Squeeze Candidates Today: September 16, 2026 — 7-Factor Leaderboard
PLAY tops Tapeboard's September 16, 2026 squeeze leaderboard with a 74.4 composite score, on a day when elevated short interest and universal FINRA threshold-list presence — not extreme borrow fees — drove the rankings.
-
Trading Halts Today: September 16, 2026 — 50 Stocks Halted (LULD & T1)
Tapeboard tracked 50 trading halts on September 16, 2026 — 43 LULD/volatility halts, 3 T1 news-pending halts, and 4 other regulatory halts — with JAGX, NCT, and MGN halted for pending news and DLXY halted 18 times on volatility.
-
Highest Borrow-Fee Stocks Today: September 15, 2026 — Hard-to-Borrow Rates
BIAF carries the costliest borrow fee in Tapeboard's market-wide ranking at 854.2% annualized as of September 15, 2026, with 17 names sitting in the hard-to-borrow or extreme tier.
-
Stock Market Today: September 15, 2026 — Indexes Slip as Oil Spikes 3.8%
On September 15, 2026, the S&P 500 fell 0.45% to 7,585.73, the Nasdaq dropped 0.78% to 25,981.57, and the Dow lost 0.63% to 52,093.11, as WTI crude surged 3.81% to $105.25 and defensive sectors led while technology and utilities lagged.
-
Most Shorted Stocks Today: September 15, 2026 — Top 25 Squeeze Candidates
The most shorted stocks on September 15, 2026 are led by indie Semiconductor (INDI) with a 44.2 squeeze score and 30.3% of float sold short, on a board dominated by threshold-flagged names with elevated days to cover.
-
Top Short-Squeeze Candidates Today: September 15, 2026 — 7-Factor Leaderboard
INDI leads Tapeboard's September 15, 2026 squeeze leaderboard with a 44.2 composite score, on a day dominated by high short-interest, threshold-listed names with deeply negative five-day momentum.
-
Trading Halts Today: September 15, 2026 — 50 Stocks Halted (LULD & T1)
On September 15, 2026, Tapeboard tracked 50 trading halts — all 50 LULD/volatility halts, zero T1 news-pending halts, and no other regulatory halts — with RETO the most-halted name of the session at 22 separate volatility pauses.
-
Highest Borrow-Fee Stocks Today: September 14, 2026 — Hard-to-Borrow Rates
BIAF carries the costliest borrow fee at 825.9% annualized as of September 14, 2026, with 17 names in the hard-to-borrow or extreme tier.
-
Stock Market Today: September 14, 2026 — Indexes Slip as Cybersecurity Stocks Rally
On September 14, 2026, the S&P 500 fell 0.48% to 7,619.98 and the Nasdaq dropped 0.56% to 26,186.41, while cybersecurity stocks including Zscaler, Tenable, and Rubrik surged more than 15% and the VIX jumped 7.95% to 17.10.
-
Most Shorted Stocks Today: September 14, 2026 — Top 25 Squeeze Candidates
The most shorted stocks on September 14, 2026 are led by SMR with a squeeze score of 33.7 and 19.1% short interest, on a board dominated by FINRA threshold names and extreme borrow-fee outliers like TC at 305.7%.
-
Top Short-Squeeze Candidates Today: September 14, 2026 — 7-Factor Leaderboard
SMR leads the September 14, 2026 squeeze leaderboard with a 33.7/100 composite score, on a day when elevated short interest and FINRA threshold concentration — not extreme borrow fees — drove most of the top rankings.
-
Trading Halts Today: September 14, 2026 — 45 Stocks Halted (LULD & T1)
Tapeboard tracked 45 trading halts on September 14, 2026: 42 LULD/volatility halts, 1 T1 news-pending halt (IZM), and 2 other regulatory halts.
-
What is a Reverse Merger? Definition, Formula, and Example
A reverse merger is a transaction in which a private company goes public by merging into an already-listed public shell company, bypassing the traditional IPO process.
-
What is a Rule 10b5-1 Plan? Definition, Formula, and Example
A Rule 10b5-1 plan is a pre-arranged trading program that lets corporate insiders buy or sell company stock on a fixed schedule without violating insider trading laws.
-
What is a Treasury Bill? Definition, Formula, and Example
A Treasury bill is a short-term U.S. government debt security sold at a discount to face value and maturing in one year or less, and its yield defines the risk-free rate used across all of finance.
-
What is Standard Deviation? Definition, Formula, and Example
Standard deviation measures how far a stock's returns scatter around their average, and it is the base unit of risk used in volatility, position sizing, and options pricing.
-
What is the Uptick Rule? Definition, Formula, and Example
The uptick rule is a regulation that restricts short selling in a stock that has fallen 10% in a day, allowing new short sales only at prices above the current best bid.
-
What is a Gap Down? Definition, Formula, and Example
A gap down occurs when a stock opens materially below its prior closing price, leaving a price range with no traded volume on the chart, usually triggered by overnight news, earnings, or macro shocks.
-
What is a Reverse Repo? Definition, Formula, and Example
A reverse repurchase agreement (reverse repo) is a transaction where one party sells a security and agrees to buy it back at a higher price, effectively lending cash against collateral overnight — and the Fed's overnight reverse repo facility (ON RRP) is the floor of U.S. short-term interest rates.
-
What is Free Cash Flow Yield? Definition, Formula, and Example
Free cash flow yield is a valuation metric that divides a company's free cash flow by its market capitalization (or enterprise value), expressing how much cash the business generates per dollar of its price — the inverse of a P/FCF multiple.
-
What is the PCE Price Index? Definition, Formula, and Example
The Personal Consumption Expenditures (PCE) price index is the Federal Reserve's preferred inflation gauge, measuring price changes across all goods and services consumed by U.S. households, including those paid by third parties like employers and government programs.