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Correlated Position Risk Calculator: Hidden Exposure Across Trades

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Three positions are not three independent bets merely because their tickers differ. A technology stock, a sector ETF, and an index future can all lose on the same market shock; a short position can offset part of that exposure, but only while the relationship holds. This calculator compares the sum of your entered planned losses with a covariance-style correlation proxy, converts long and short direction into loss-side correlations, and checks whether the three pairwise assumptions can coexist. Use the gross planned-loss total for hard risk limits. Use the correlation result only to expose hidden co-movement, challenge an apparent hedge, and decide whether the next trade needs to be reduced, delayed, or investigated. Direct answer: if gross planned loss breaches your written cap, stop there. A lower correlation proxy does not create additional loss capacity. If the proxy rises close to gross loss, or one trade supplies most of the risk, verify the shared driver before s...
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Maximum Daily Loss Calculator: Stop Trading or Cut Position Size?

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A maximum daily loss rule should answer one question before the next order: how much of the session's written loss budget is already consumed after realized P&L, open-position P&L, fees, slippage, and remaining risk to current stops? Enter one start-of-day equity baseline and the limit from your own plan. If current loss or open-position risk can reach that limit, stop adding exposure and verify the account. If only the proposed trade would cross it, reduce that trade's total risk to the displayed allowance or skip it. The calculator is a planning screen, not a universal safe-percentage rule, liquidation instruction, or guarantee that stops will fill. Direct decision: compare the proposed trade with the budget left after existing positions reach their entered exits, not merely with today's realized P&L. Maximum Daily Loss Calculator Use one account, one session boundary, and one written policy. The 2% example is arithmetic only; StockWin doe...
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Why Korea Requires Simulation Trading for Some Single-Stock Leveraged ETF and ETN Investors

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From August 19, 2026, an individual general investor seeking a new investment through Korea's regulated brokerage framework in a domestic- or overseas-listed single-stock leveraged or inverse ETF or ETN must complete simulation trading in addition to the announced cash-deposit and education gates. The simulation is free and must cover at least five trading days, at least one hour on each counted day, and at least five hours in total. A separate change tightened closing-price divergence management for all ETFs and ETNs. The rules are related investor-protection measures, but they do not have the same product scope. Direct answer before you contact a broker Confirm that the product references one stock and has leveraged or inverse exposure; do not decide from the word “ETF” alone. Confirm your broker's investor classification and whether you are opening a new position on or after August 19, 2026. For the covered individual-general-investor pathway, prepare for KRW ...
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Portfolio Heat Calculator: Total Open Risk Across Trades

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Portfolio heat is the percentage of account equity represented by the planned losses of every position that could be open together. Add each long or short position's stop-distance loss, round-trip fees, and modeled exit slippage before accepting another trade. If the total exceeds the account-level cap in your written plan, pause the order and reduce or remove risk; do not widen stops merely to make the number fit. This worksheet updates immediately when direction, entry, stop, shares, costs, equity, or the user's own cap changes. It is an educational planning model—not a forecast, a safe-percentage recommendation, or a guarantee that a stop will fill. Decision rule: a position can fit its single-trade limit and still be the trade that pushes several simultaneous losses beyond the account limit. Portfolio Heat Calculator Replace the example with one consistent account scope and every position that could be open at the same time. The 2% cap below demonstrates...
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