Trading from a phone
What the phone screen leaves out of the price you act on
A phone chart is not a smaller copy of a desktop chart. It is the same price data drawn into fewer pixels, and the app decides how much history fits. Most apps default to a window of a few hours, so the candles you see cover a fraction of the day. The price at the right edge is current, but the shape behind it is cropped.
That crop changes what looks normal. A move of 20 pips can look like a full swing when the window holds 40 pips, and look like nothing when the window holds 200. The candles do not lie, but the frame around them does. Two people can open EUR/USD at 1.0850 on the same day and disagree about whether the market is quiet, because their apps chose different windows.
The fix costs nothing. Before you judge any move, pinch the chart out until you can see at least the last full day, then note the high and the low. The distance between them is the range you are actually trading inside. If the app will not zoom out that far, treat every stop as too tight until you have checked the range on a larger screen.
Why the same lot size behaves differently in your hand
Lot size is a money decision, and the screen size should not enter it. A standard lot on EUR/USD moves about ₦15,400 for each pip when the naira value of a pip is taken at that rate. On 0.10 lots the same pip is worth ₦1,540. Nothing about holding the phone changes those numbers.
What the phone changes is how easily you forget them. The order ticket is a few taps away, the lot field is pre-filled, and the chart behind it is too small to show that price has already travelled 60 pips today. A 20 pip stop then looks generous when it is a third of the day's range. On a desktop you would see the day and hesitate. On a phone you may not.
So set the lot from the loss you accept, not from the chart window. Decide the naira amount first, divide by the pip value, and that gives the pips you can afford. If the resulting stop is narrower than the day's range, the trade is too large for the phone. Reduce the lots until the stop fits, or leave it.
What the app adds between the price and your money
The price on your screen is not the price you get. The app shows one side of the quote, and the broker fills you at the other, so a spread sits between them. On EUR/USD that spread is usually a fraction of a pip, but it widens around news and at the daily rollover. The pip value you calculated is the value of a pip of movement, not of the spread you pay to enter.
Other charges vary between brokers and you must read them in the app, not assume them. The exchange rate used to convert your naira may be rounded. Leverage limits differ, and a higher leverage does not lower your risk, it only lowers the margin locked while the trade is open. Some brokers also charge a commission per lot on top of the spread.
Funding and withdrawal are part of the cost too. Bank transfer, USSD and card payments are the usual routes, and each has its own timing and its own fee, which varies between providers. SEC Nigeria regulates the firms that may offer these products to Nigerian residents, so check that the name on the app appears on the regulator's list before you send money.
Before any trade, open the contract specification inside the app. It lists the spread, the commission, the leverage and the contract size for EUR/USD. Compare those figures with the pip value you worked out. If the two do not match, trust the specification and recalculate your lot size from it.
Keep the phone for watching, not for deciding
A phone is good at three things: alerting you, checking an open position, and closing it. It is poor at showing context, and context is what a stop distance depends on. Use the phone to watch and the larger screen to plan. If you have no larger screen, use the phone's landscape view and zoom out before every decision.
Write the plan before you open the app. The pair, the entry, the stop in pips, the lot size and the naira at risk. When those five numbers are on paper, the small chart cannot talk you into a bigger trade, because the size is already fixed. The app becomes a place to type numbers you chose earlier, not a place to choose them.
If you trade while moving, the screen shakes and the signal drops. A dropped connection during a live position is a real cost, because you cannot close what you cannot reach. Keep a second route to the account, such as the broker's web login, and know how to close a position by phone call if the app fails.
What one pip costs on a 6-inch screen
| Step | Amount | Note |
|---|---|---|
| Instrument | EUR/USD | the pair used in this lesson |
| Price shown | 1.0850 | the quote on the phone screen |
| One pip move | 0.0001 | the fourth decimal place on EUR/USD |
| One standard lot | 100,000 units | the contract size |
| Pip value in quote currency | 10 units | 100,000 x 0.0001 |
| Pip value in naira | ₦15,400 | 10 units x ₦1,540 per unit, a rate that varies between brokers and days |
| Margin used | ₦108,500 | 1.0850 x 100,000 x ₦1,540, divided by 10, a leverage figure that varies between brokers |
The broker may round the exchange rate, charge a spread on top of the pip value, and quote a different leverage. Check the contract specification in the app before you trade.
Doing it once, step by step
Work through these in order before you place any trade from a phone, so the size and the stop are settled before the app is open. Each step uses EUR/USD near 1.0850 and naira figures you calculate yourself.
- 01
Open the contract specification
Find the EUR/USD contract details inside the app. Note the spread, the commission per lot, the leverage and the contract size. These figures vary between brokers, so read the ones in front of you rather than any number from memory.
- 02
Zoom out to one full day
Pinch the chart until at least the last 24 hours are visible. Write down the day's high and low and subtract the low from the high. That difference, in pips, is the range your stop has to survive.
- 03
Calculate the pip value in naira
Take one pip on a standard lot as ₦15,400 and multiply by your lot size as a decimal. On 0.10 lots that gives ₦1,540 per pip. Check this against the specification, because rounding and spread can change it.
- 04
Set the loss in naira first
Decide the amount you accept losing on this trade. Divide it by the pip value to get the pips you can risk. If that stop is narrower than the day's range, the trade is too large.
- 05
Reduce the lot until the stop fits
Halve the lot size and the pip value halves, so the same naira loss buys twice the pips. Keep reducing until your stop sits outside the day's range. Only then type the order.
- 06
Write the plan and check the route
Record the pair, entry, stop, lot and naira at risk before you tap buy or sell. Confirm you can reach the account another way if the app drops. Close the app once the order is placed.
The mistake most people make here
The common mistake is to trade the same lot size on a phone as on a desktop, because the small chart hides how far the price has already moved. On a 6-inch screen you may see only the last few hours, so a 20 pip stop can look safe when the daily range is 80 pips. Instead, set your lot size from the money you are willing to lose, not from the size of the chart window. Work out the pip value in naira first, then choose the smallest lot that keeps your risk inside your plan.Check yourself
If one pip on a standard lot is ₦15,400, what is the pip value on 0.10 lots?
₦1,540, because 0.10 is one tenth of a standard lot, so 15,400 x 0.10 = 1,540.
If you risk 20 pips on 0.10 lots, how much naira is at risk?
₦30,800, because 20 x 1,540 = 30,800.
If the phone shows EUR/USD at 1.0850 and the desktop shows 1.0853, how many pips apart are they?
3 pips, because 1.0853 - 1.0850 = 0.0003, and each 0.0001 is one pip.
Questions that come up next
How much of the day can I see on a phone chart?
It varies by app and by the window the app chooses when it opens. Many default to a few hours, so the candles cover a fraction of the day even though the latest price is current. Pinch the chart out until at least one full day is visible, then note the high and the low. If the app will not zoom out that far, the range is hidden from you and every stop will look safer than it is.
What does a 20 pip stop cost me on 0.10 lots?
On 0.10 lots, one pip is worth ₦1,540 when a standard lot pip is ₦15,400. A 20 pip stop therefore puts ₦30,800 at risk, because 20 x 1,540 = 30,800. That figure is fixed by the lot size, not by the size of your screen. If ₦30,800 is more than you accept losing on one trade, the lot is too large.
Why does the app show a different price from the desktop?
The two may be a few pips apart, as in 1.0850 against 1.0853, which is 3 pips. The gap comes from the side of the quote each screen shows, from rounding, and from the moment each one refreshed. A difference of a few pips matters most when your stop is small. Check the live quote in the app before you act, not the price you remember.
Does my broker charge me for the spread on top of the pip value?
Yes, a spread sits between the price shown and the price you get. On EUR/USD it is usually a fraction of a pip, but it widens around news and at quiet hours. That cost comes out of the trade before any profit, so it belongs in your pip calculation. The exact spread varies between brokers and between account types, so read the contract specification in the app.
Can I place the same trade on a phone as on a desktop?
The app can send the same order, for the same instrument and the same lot size. What differs is what you can check before sending it. The desktop shows more history at once, so the day's range is easier to see. If you cannot see that range on the phone, the trade is being placed on less information.
What should I do before tapping buy or sell on a phone?
Work out the pip value in naira, decide the amount you accept losing, and divide to get the pips you can afford. Compare that stop with the day's high and low, which you should read after zooming out. If the stop is narrower than the range, reduce the lots until it fits, or skip the trade. None of these steps needs a bigger screen, only a moment before the tap.
In Nigeria
- Regulator
- SEC Nigeria
- Money
- ₦ (NGN)
- Payment methods
- bank transfer, USSD and cards
- Instrument in examples
- EUR/USD
- Pip value on one standard lot
- 10 units of the quote currency, converted to naira at the current rate
The words used on this page
- pip
- The smallest common step in a currency price, usually 0.0001 on EUR/USD. A move from 1.0850 to 1.0853 is 3 pips. What one pip is worth in naira depends on your lot size.
- lot
- The fixed size of one trade. A standard lot is the full size, and smaller sizes such as 0.10 are fractions of it. On 0.10 lots, each pip is worth one tenth of the standard pip value.
- spread
- The gap between the price the app shows and the price you are filled at. It is a cost you pay on entering and often on leaving. It varies between brokers and widens around news.
- range
- The distance between the highest and lowest price over a period, such as one day. It tells you how far price normally travels. A stop much narrower than the range is likely to be hit.
- stop
- An order that closes your trade at a chosen price to limit the loss. Its distance from your entry, counted in pips, sets how much naira is at risk. Set it from the money you accept losing.
- leverage
- The control a broker gives you over a position larger than your deposit. It magnifies both gains and losses. The amount offered varies between brokers, so check the app.
What to take away
- A phone chart shows current price but crops the history, so the day's range can be invisible.
- Lot size is a money decision: on 0.10 lots a pip is ₦1,540, so a 20 pip stop risks ₦30,800.
- Work out the naira loss you accept first, then choose the smallest lot whose stop fits inside the day's range.
- The spread, rounding and leverage vary between brokers, so read the contract specification in the app.