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Realized Gain/Loss Calculator

Calculate realized profit or loss from sold shares.

Use this deterministic realized gain/loss calculator to quantify profit from completed sales using cost basis per share.

Inputs

Results

Realized gain/loss

+$1,350.00

Realized result on sold shares is +$1,350.00.

Sell price
$73.80
Cost basis/share
$68.40
Shares sold
250.0000
Realized P/L
+$1,350.00

Formula

Realized Gain/Loss = (Sell Price - Cost Basis Per Share) × Shares Sold

Example

  • Sell price: 73.8
  • Cost basis per share: 68.4
  • Shares sold: 250

What does this mean?

  • •Realized P/L is closed and no longer market-dependent.
  • •Use broker lot method (FIFO/LIFO/specific lot) for tax accuracy.
  • •Exclude unsettled fees unless explicitly included.

Measure what has actually been locked in

Separate realized outcomes from still-open unrealized positions.

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What is a realized gain/loss?

Use this deterministic realized gain/loss calculator to quantify profit from completed sales using cost basis per share. In practice, this means you can quantify realized gain/loss using sell price, cost basis per share, and shares sold without relying on hidden assumptions or black-box scoring.

Primary input set for this calculator: Sell price, Cost basis per share, Shares sold.

How to calculate realized gain/loss

  1. 1.Step 1: Enter sell price with the timeframe/context you want to evaluate.
  2. 2.Step 2: Enter cost basis per share with the timeframe/context you want to evaluate.
  3. 3.Step 3: Enter shares sold with the timeframe/context you want to evaluate.
  4. 4.Step 4: Apply formula Realized Gain/Loss = (Sell Price - Cost Basis Per Share) × Shares Sold.
  5. 5.Step 5: Interpret output together with risk, liquidity, and catalyst context.

Why this metric matters

This metric turns trade assumptions into explicit numbers for sizing, entry/exit planning, and portfolio discipline.

Pair this calculator with catalyst context from headlines, filings, and options flow to avoid relying on isolated numbers.

When to use this calculator

  • ✓Before opening a new position where realized gain/loss impacts sizing or risk.
  • ✓After a catalyst to quantify how much conditions changed versus your baseline.
  • ✓When comparing setups across multiple tickers with one consistent formula.
  • ✓During weekly review to keep decision-making tied to measurable inputs.

Common scenarios

Realized P/L is closed and no longer market-dependent

Use this realized gain/loss workflow to quantify this scenario with deterministic inputs.

Use broker lot method (FIFO/LIFO/specific lot) for tax accuracy

Use this realized gain/loss workflow to quantify this scenario with deterministic inputs.

Exclude unsettled fees unless explicitly included

Use this realized gain/loss workflow to quantify this scenario with deterministic inputs.

Event reaction review

Recalculate realized gain/loss immediately after earnings, filings, or macro headlines.

Interpretation tips

  • •Re-run realized gain/loss whenever key inputs change materially, not only when price moves.
  • •Document assumptions so the same methodology can be repeated across watchlist names.
  • •Use this metric as one layer in the decision stack, not as a standalone trade trigger.

Data caveats

  • –Outputs are deterministic from your inputs; input quality determines output quality.
  • –This page does not auto-adjust for broker fees, taxes, or slippage unless you include them in your assumptions.
  • –Validate corporate action details, filing dates, and data freshness before acting on results.

FAQ

How does the realized gain/loss calculator work?

Realized Gain/Loss Calculator is deterministic and uses only your inputs (sell price, cost basis per share, shares sold). Formula: Realized Gain/Loss = (Sell Price - Cost Basis Per Share) × Shares Sold.

What does this output tell me in practice?

Calculate realized profit or loss from sold shares. Pair this with a stop-loss and thesis review, not just return math.

Does the realized gain/loss calculator use real-time market feeds?

No. This page does not auto-pull live data. You control all inputs and can rerun instantly as market conditions change.

Can I use this result directly for trading decisions?

Use it as a planning layer. Combine with position sizing, liquidity, and catalyst context before any execution.

Disclaimer: This calculator is for educational purposes and does not constitute financial advice. Verify assumptions with official filings, broker statements, and your own risk framework.

After the calculation

Understand what caused the move.

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