Why might the actual charges differ from estimated charges on order execution?

Why might the actual charges differ from estimated charges on order execution?

The Price breakup feature in FYERS shows an estimated preview of brokerage and regulatory charges before you place an order. However, the final charges in your contract note may not match exactly. This is because the estimate is based on assumptions and real-time values like the Last Traded Price (LTP), not the final execution price.

What causes the difference between estimated and actual charges?

There are two main reasons why the actual charges may vary slightly from what you see in the price breakup window:

1. Orders are estimated using the Last Traded Price (LTP), not the executed price

When you check the price breakup, the charges are calculated based on the LTP at that moment. However, once the order is placed, the price may change slightly before execution.

Example:
Mr. Mahin places a market order to buy 100 shares of SBIN at an LTP of ₹535.80. The price breakup estimates total charges as ₹22.80.
But the order executes at ₹536.50. The actual charges come to ₹22.82—just ₹0.02 higher due to the small difference in price.

2. Charges are calculated assuming the order executes in a single trade

FYERS assumes your order will execute in one go. But in reality, your order may get split into multiple trades depending on bid/ask availability on the exchange. Each executed order is treated separately for brokerage, which may increase the total cost.

Example:
Mr. Mahin places a market order to buy 4 lots of BANKNIFTY 41400PE options at ₹100.
The price breakup shows ₹20 brokerage (assuming 1 full order). But if the trade executes in two parts (2+2 lots), the brokerage becomes ₹40 + GST (₹20 per executed order).

What if...

ScenarioWhy the charges differ
LTP changes before executionEstimated breakup used LTP; actual used executed price
Order gets split into multiple tradesBrokerage applies per executed trade, not total quantity
Checking only one side of transactionThe breakup shows only Buy or Sell side, not both
Final execution price is lowerFinal charges may be lower than estimated too
The Price breakup is an estimate. For accurate charges, refer to the contract note after trade execution.

Notes

  • Orders are executed based on live bid/ask availability on the exchange.
  • FYERS does not control execution price or order splitting.
  • Price breakup shows charges for one side only (Buy or Sell).

Last updated: 20 Jun 2025

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