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FlowFX

Tools / Calculators

Work the numbers before the order.

Four calculators that actually run: pip value, margin, profit and loss, and overnight swap. Each one reads the contract specification for the symbol you select — contract size, tick size, spread, commission model and swap rates — and applies it to the volume and prices you enter.

Symbols available
43 instruments
Schedule effective
2026-08-21
Swap quoted in
points per lot, per night

Working tools

Four calculators, one contract schedule.

Pick a symbol and the contract size, tick size, spread, commission and swap behind it are loaded from the published schedule. You supply the volume, the prices and the account currency; the arithmetic updates as you type.

Position size and pip value

Your inputs

Contract size, tick size and the published schedule are read from this symbol.

Min 0.01 · max 100 · step 0.01 lots. One lot = 100,000 EUR.

Reference price you enter, in USD — not a live quote.

Result

Value of one pip, total positionOne pip = 0.0001 in price · 1 lot(s)
USD 10.00
Notional value1 lot(s) × 100,000 units × entry price
USD 108,500.00
Value of one pip, per lot0.0001 price move × 100,000 units
USD 10.00
Value of one tick, per lotTick size 0.00001
USD 1.0000
Value of one pip, total position
USD 10.00
Contract size, one lot
100,000 EUR
Published spread
0 pips from · 0.2 {unit} typical

A sequence that works

Run the four tabs in order and the position sizes itself.

The tabs are deliberately sequential. Each one answers a question the previous one raises, and the instrument and volume you pick carry across all four so you are always looking at the same position from a different angle.

  1. Step 01

    Size the position before the idea

    Open the position-size tab, set the volume you are considering and read the value of one pip for the whole position. That single figure tells you what a twenty-pip adverse move costs in account currency, which is the number to compare against the loss you are actually willing to take.

  2. Step 02

    Check what the margin locks up

    Move to the margin tab with the same volume loaded. Required margin is capital reserved, not spent — but free margin is what absorbs an adverse move. If the margin level looks thin at your entry price, the volume is too large for the equity, not the idea.

  3. Step 03

    Price the round trip, not the direction

    The profit-and-loss tab separates the gross move from the spread and the commission so you can see how much of the target the costs consume. On a short scalp those two lines can outweigh the move entirely; on a swing trade they usually round to noise.

  4. Step 04

    Add the cost of time

    Anything carried past 21:00 UTC (17:00 New York) pays or earns swap. The swap tab multiplies the published rate by the nights you plan to hold and lets you count the triple-swap crossings, so a week-long hold is priced on the nights actually charged rather than the nights on the calendar.

What each field expects.

Two kinds of value feed the arithmetic: figures pulled from the published contract schedule, and figures you type in. The list below marks which is which so no output is mistaken for a live market number.

Instrument
Sets contract size, tick size, spread, commission model, leverage cap and swap rates. Every other field is measured against this choice.
Volume in lots
Respects the minimum, maximum and step published for that symbol. One lot means the contract size shown beside the field, not a fixed amount of currency.
Entry and exit price
Reference values you type in. There is no price feed on this page, so the figures are only as current as the numbers you supply.
Account currency
USD, EUR or THB. When a symbol settles in another currency, an editable conversion rate appears and every result is expressed in the currency you chose.
Leverage
Offered up to the cap published for that symbol. Lower leverage raises the margin requirement and the free margin cushion at the same time.
Nights held
Counts rollovers, not calendar days. A position opened and closed inside one session crosses no rollover and pays no swap.

Questions about the maths

Read the method.

Four things traders ask most often about how these outputs are produced, and where the binding version of each number actually lives.

A pip is a price distance, so its cash value depends on how many units of the asset one lot controls. One lot of a 100,000-unit currency pair moves far more per pip than one lot of a 100-ounce metal contract. The calculator reads contract units and tick size from the schedule and multiplies them out, which is why the figure moves the moment the symbol does.

Where the inputs come from

Check the schedule behind the result.