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. The Tapeboard morning edition collects the day's movers, halts and filings, one issue per trading day.
Stock Market Today: November 11, 2026 — Small Caps Lead as Nasdaq Adds 1.60%
U.S. equities closed higher on November 11, 2026, as the Nasdaq Composite gained 1.60% to 25466.19, the S&P 500 rose 1.31% to 7619.38, and small caps led sector gains with Energy up 2.31% and Technology up 2.04%.
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Trading Halts Today: November 11, 2026 — 144 Stocks Halted (LULD & T1)
Tapeboard tracked 144 trading halts on November 11, 2026 — 141 LULD/volatility halts, 1 T1 news-pending halt, and 2 other regulatory halts — led by ARAI.
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Stock Market Today: November 10, 2026 — Sectors Rally as Indices Slip
The S&P 500 fell 0.38% to 7520.93 while all eleven sector ETFs posted gains, led by Industrials at +3.73%.
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Trading Halts Today: November 10, 2026 — 98 Stocks Halted (LULD & T1)
98 trading halts on November 10, 2026: 88 LULD/volatility halts, 3 T1 news-pending halts, and other regulatory codes, with VCIG seeing the final halt of the session.
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Stock Market Today: November 9, 2026 — Small-Cap Tech Rallies as VIX Collapses
The S&P 500 closed 2.35% higher at 7549.94 while the Russell 2000 jumped 3.15% to 2840.81, paced by Fervo Energy climbing 26.09% and ACADIA Pharmaceuticals sliding 22.28%.
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Trading Halts Today: November 9, 2026 — 89 Stocks Halted (LULD & T1)
Tapeboard tracked 89 trading halts on November 9, 2026 — 84 LULD/volatility pauses, 2 T1 news-pending halts, and 3 other regulatory halts — led by repeated volatility halts in OMH.
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What is Implied Move? Definition, Formula, and Example
The implied move is the market's expected percentage swing in a stock around an earnings event, derived from at-the-money option prices.
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What is Market Implied Open? Definition, Formula, and Example
The market implied open is the expected opening price of an index or stock derived from futures contracts trading before the cash market opens.
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What is Net Asset Value? Definition, Formula, and Example
Net asset value is the per-share value of a fund's holdings minus liabilities, calculated after the market close.
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What is Shareholder Equity? Definition, Formula, and Example
Shareholder equity is the residual claim on assets after liabilities are subtracted, representing owners' stake in a company.
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What is a Variance Swap? Definition, Formula, and Example
A variance swap is a forward contract on realized variance, where one party pays a fixed strike and receives the realized variance of an underlying asset over a set period.
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What is a Volatility Swap? Definition, Formula, and Example
A volatility swap is a forward contract on realized volatility, where one party pays a fixed strike and receives the annualized realized volatility of an underlying asset.
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What is Correlation? Definition, Formula, and Example
Correlation is a statistical measure of how two assets move in relation to each other, ranging from -1 to +1.
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What is a Dispersion Trade? Definition, Formula, and Example
A dispersion trade sells index variance and buys single-stock variance, profiting when index components move more independently than option prices imply.
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What is Implied Correlation? Definition, Formula, and Example
Implied correlation is the market-implied measure of how much index component stocks move together, derived from index options versus single-stock options.
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What is SEC Form 13G? Definition, Filing Requirements, and Example
SEC Form 13G is a shortened beneficial ownership statement for passive investors who acquire more than 5 percent of a company's stock without intending to influence control.
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What is SEC Form 4? Definition, Insider Trading Rules, and Example
SEC Form 4 is a statement of changes in beneficial ownership that company insiders must file with the SEC within two business days after buying or selling company stock.
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Stock Market Today: November 6, 2026 — Small Caps Lead While Tech Retreats
The S&P 500 ended November 6, 2026 up 0.31% at 7376.86 while the Nasdaq rose 1.09% to 24579.42, with KRMN leading gainers at +42.13% and IRTC falling -30.7% as the day's biggest loser.
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Trading Halts Today: November 6, 2026 — 53 Stocks Halted (LULD & T1)
Tapeboard tracked 53 trading halts on November 6, 2026 — 51 LULD/volatility pauses and 1 T1 news-pending halt, with RLYB the most notable name.
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Stock Market This Week (November 2–6, 2026): Tech Selloff Lifts Defensive Sectors
The S&P 500 fell 2.68% for the week ending November 6, 2026, as Technology led a broad equity decline while Communication Services, Real Estate, and Consumer Staples posted the only sector gains.
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What is a Buy-in? Definition, Mechanics, and Example
A buy-in is a forced purchase of securities by a broker or exchange to cover a failed delivery in a short sale.
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What is a Buy-to-Cover Order? Definition, Formula, and Example
A buy-to-cover order is a buy order used to close an existing short position by repurchasing the borrowed shares.
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What is an Iron Condor? Definition, Formula, and Example
An iron condor is a four-leg options strategy that profits when the underlying price stays between two short strikes at expiration.
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What is a Paired Trade? Definition, Execution, and Example
A paired trade is a market-neutral strategy that takes offsetting long and short positions in two correlated securities to profit from the convergence or divergence of their price relationship.
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What is the Options Clearing Corporation (OCC)? Definition, Role, and Example
The Options Clearing Corporation is the central counterparty that guarantees the settlement of all U.S. listed options trades.