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AI-Powered Market Intelligence
Understand the reason behind any stock move.
Aggregate position-level P/L quickly before rebalancing decisions.
AI-Powered InsightsReal-Time DataNo Noise. Just Clarity.
Portfolio Gain/Loss Calculator
Calculate total profit or loss across multiple stock positions.
Use this deterministic portfolio gain/loss calculator to sum unrealized or realized P/L across multiple holdings.
Results
Total portfolio P/L
+$550.00
Portfolio P/L is +$550.00 (+3.79%).
- Total cost basis
- $14,500.00
- Total current value
- $15,050.00
- Total P/L
- +$550.00
- Portfolio return %
- +3.79%
Formula
Portfolio P/L = Σ(Current Value - Cost Basis)
Example
- Position 1 cost basis: 5000
- Position 1 current value: 5600
- Position 2 cost basis: 7000
- Position 2 current value: 6650
- Position 3 cost basis: 2500
- Position 3 current value: 2800
What does this mean?
- •Positive total means your portfolio is above total cost basis.
- •Negative total means your portfolio is below cost basis.
- •Use this before trimming or adding positions to keep allocation decisions data-driven.
Track total portfolio performance at a glance
Aggregate position-level P/L quickly before rebalancing decisions.
What is a portfolio gain/loss?
Use this deterministic portfolio gain/loss calculator to sum unrealized or realized P/L across multiple holdings. In practice, this means you can quantify portfolio gain/loss using position 1 cost basis, position 1 current value, position 2 cost basis, position 2 current value, position 3 cost basis, and position 3 current value without relying on hidden assumptions or black-box scoring.
Primary input set for this calculator: Position 1 cost basis, Position 1 current value, Position 2 cost basis, Position 2 current value, Position 3 cost basis, Position 3 current value.
How to calculate portfolio gain/loss
- 1.Step 1: Enter position 1 cost basis with the timeframe/context you want to evaluate.
- 2.Step 2: Enter position 1 current value with the timeframe/context you want to evaluate.
- 3.Step 3: Enter position 2 cost basis with the timeframe/context you want to evaluate.
- 4.Step 4: Enter position 2 current value with the timeframe/context you want to evaluate.
- 5.Step 5: Enter position 3 cost basis with the timeframe/context you want to evaluate.
- 6.Step 6: Enter position 3 current value with the timeframe/context you want to evaluate.
- 7.Step 7: Apply formula Portfolio P/L = Σ(Current Value - Cost Basis).
- 8.Step 8: 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 portfolio 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
Positive total means your portfolio is above total cost basis
Use this portfolio gain/loss workflow to quantify this scenario with deterministic inputs.
Negative total means your portfolio is below cost basis
Use this portfolio gain/loss workflow to quantify this scenario with deterministic inputs.
Use this before trimming or adding positions to keep allocation decisions data-driven
Use this portfolio gain/loss workflow to quantify this scenario with deterministic inputs.
Event reaction review
Recalculate portfolio gain/loss immediately after earnings, filings, or macro headlines.
Interpretation tips
- •Re-run portfolio 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 portfolio gain/loss calculator work?
Portfolio Gain/Loss Calculator is deterministic and uses only your inputs (position 1 cost basis, position 1 current value, position 2 cost basis, position 2 current value, position 3 cost basis, position 3 current value). Formula: Portfolio P/L = Σ(Current Value - Cost Basis).
What does this output tell me in practice?
Calculate total profit or loss across multiple stock positions. Pair this with a stop-loss and thesis review, not just return math.
Does the portfolio 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.
Related tools
Portfolio Break-Even Calculator→Portfolio Weight Calculator→Profit Scenario Calculator→Loss Scenario Calculator→
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