Short Selling Mechanics and Borrow Costs
Shorting means borrowing shares at rates from under 1% to over 100% a year, posting 150% initial margin, and accepting unlimited loss potential.
20 articles in this subtopic.
Shorting means borrowing shares at rates from under 1% to over 100% a year, posting 150% initial margin, and accepting unlimited loss potential.
A structured trading plan defines your entry criteria, position sizing, and exit rules before emotions enter the equation.
Learn how combining a long call and short put at the same strike creates synthetic stock exposure with reduced capital requirements.
Regulation T caps initial leverage at 2:1 while FINRA maintenance rules set the price where margin calls hit; compute that price before you trade.
Navigate wash sale rules, mark-to-market elections, and tax rate differentials that determine whether frequent trading is profitable after taxes.
Position sizing determines how much capital to allocate per trade, while risk-reward ratios measure whether potential gains justify the risk taken.
Order routing determines where your trade executes, affecting fill prices, speed, and rebates, while smart order types automate complex execution strategies.
Stop-market orders guarantee an exit but not a price, stop-limits the reverse, and neither survives a gap; trailing stops and OCO pairs structure exits.
A reference guide defining 30 essential trading and execution terms for active traders and investors.
Earnings gaps average 4-8% and blow through stops, so size positions off the options-implied move and decide beforehand to hold, trim, hedge, or exit.
Every large order you send to the market leaves a footprint.
How to protect capital and exploit opportunities when stocks gap sharply or volatility spikes unexpectedly.
Active traders need specific broker capabilities including execution quality, margin rates, and platform reliability that passive investors can ignore.
Every trade you execute has a gap between the price you wanted and the price you got.
Decompose your returns to understand whether outperformance comes from sector allocation, stock selection, or market timing.
Learn when dark pools, crossing networks, and other alternative trading systems provide better execution than traditional exchanges.
Understand the $25,000 minimum, counting rules, and consequences of PDT violations to avoid frozen accounts and forced liquidations.
Identify common psychological traps in active trading and implement systematic rules that prevent emotional decision-making from destroying returns.
Build a systematic trade journal that converts expensive lessons into lasting skill improvements.
Understand how portfolio margin uses risk-based calculations to reduce margin requirements by 50-70% compared to Reg T for diversified portfolios.