Stop Loss Calculator

Enter entry price and risk percentage or dollar amount to get the stop-loss level.

Executive Summary: Calculate stop-loss price from percentage or fixed risk amount. Works for long and short trades.

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Calculator Inputs

Symbol / Instrument

Execution Direction

Entry Price

₹

Position Size

Qty

Max Risk Amount

· ·

₹

Capital Sizing Heuristics

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Stop Loss Execution & Invalidation Visualizer

NSE:HDFCBANK • LONG

Planned Target (+2R) ₹1,640.00

Entry Baseline ₹1,600.00

Stop Loss Invalidation ₹1,580.00

Capital Protection vs. Risk Exposure 20.00 pts (1.25%)

Protected Capital: ₹1,58,000

At Risk: ₹2,000

Protected: ₹1,58,000 Total Trade Value: ₹1,60,000

Entry Execution Hard Stop Level 2R Target

Entry: 1600.00 Stop Loss: 1580.00 Invalidation Spread: ₹20.00

Total Risk: ₹2,000.00 (1.25%)

analytics

Primary Risk Results

Calculated Risk Thresholds

Stop Loss Price gpp_maybe

₹1,580.00

info Exit trigger to cap loss at ₹2,000.00

Stop Distance (%) percent

1.25%

speed Downside capital invalidation tolerance

Stop Distance (Points) straighten

20.00 pts

tune ₹20.00 per share downside buffer

Capital at Risk Ratio account_balance_wallet

₹20.00 / Share

calculate Max loss ₹2,000 ÷ 100 shares

grid_view Stop Distance & Volatility Sensitivity Matrix

Comparative scenario analysis showing stop invalidation thresholds across varied risk tolerances and market regimes.

Current Selected Benchmark

Risk Scenario Model	Max Capital Risk	Stop Loss Price	Point Spread	Stop Distance %	Quantitative Application

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THEORETICAL FRAMEWORK

How to Calculate Your Stop Loss

A stop-loss order defines the exact price invalidation level where a trading setup is mathematically disproven, capping capital loss and preserving trading psychology.

functions

The Mathematical Formula

# 1. Permissible Downside Spread Per Share:

Risk Per Share = Maximum Risk Amount (₹) ÷ Position Size (Quantity)

# 2. Derive Exact Invalidation Trigger Price:

Stop Loss (Long Position) = Entry Price - Risk Per Share

Stop Loss (Short Position) = Entry Price + Risk Per Share

verified Worked Verification Example

If you execute a long order for 100 shares of HDFC Bank at ₹1,600.00:

You establish a total portfolio risk budget of ₹2,000.00 on this setup.
Your mathematical risk per share equals: ₹2,000 ÷ 100 = ₹20.00 per share.
Because you hold a Long Position, you subtract the risk spread from your fill price: ₹1,600 - ₹20 = ₹1,580.00.

check_circle Conclusion: Your GTT protective stop loss must be placed precisely at ₹1,580.00.

quiz Frequently Asked Questions

What happens if my stock gaps down below the stop price at market open?

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If a security gaps down overnight below your designated stop-loss price, execution depends on order type: A Stop-Loss Market (SL-M) order triggers at the open price, executing at the nearest market bid regardless of slippage. A Stop-Loss Limit (SL-L) order only triggers if an opposing party matches your exact limit price; if the stock gaps straight past your limit, your order remains unfilled and unprotected. For volatile equities, experienced traders typically calibrate a limit buffer.

How should I calibrate stop loss levels using Average True Range (ATR)?

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ATR (Average True Range) provides a quantitative measure of natural market noise over a 14-period lookback. A standard systematic rule is to set your invalidation buffer to 1.5x or 2.0x ATR below key support. If 1.5x ATR yields a ₹30 distance, you adjust your position size downward (Quantity = Max Risk ÷ (1.5 × ATR)) to ensure your absolute monetary risk never exceeds your defined budget.

What is a Trailing Stop Loss and when is it preferable to a static stop?

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A Trailing Stop Loss dynamically ratchets upward as the market moves favourably in your direction, maintaining a fixed point or percentage distance from the highest high reached. Once the stock reverses by that distance, the exit triggers. Trailing stops are optimal in strong parabolic breakout regimes to lock in accumulated paper gains without manual intervention.

Does CalcTrading execute orders directly to exchanges?

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No. CalcTrading is an analytical research and quantitative planning workstation. All calculations and scenario visualisations are executed locally within your client browser. CalcTrading is non-custodial and does not hold user funds, collect broker login credentials, or route live orders. Always transfer your calculated parameters into your registered broker's trading terminal.

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