Scalpel
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1.Getting started
  • Install Scalpel on Windows
  • Install Scalpel on a Mac
  • Activate your Scalpel licence
  • Connect Scalpel to Interactive Brokers
  • Enable the API in TWS and IB Gateway
  • The IBKR market data you need for Level 2
  • Your first 15 minutes in SIM
  • A tour of the Scalpel cockpit
  • What Scalpel is for, and what it is not
2.Desks and layout
  • Load symbols onto desks
  • Add, remove and resize desks
  • Panel settings: Level 2, tape and chart
  • Set up Scalpel for one, two or three screens
  • Desk badges: DELAYED, NO DATA, STALE and HALTED
3.Reading the market
  • How to read Level 2 in Scalpel
  • Spot iceberg orders on Level 2
  • Read the time and sales tape
  • Hear the tape: tape sound
  • The chart: timeframes, VWAP, EMAs, MACD and delta
  • The read line and the chart read bar
  • Read the players on Level 2: venues, refills and size
4.Placing trades
  • Sizing presets: shares, dollars or risk
  • Trade a fixed dollar risk with Risk (Cents)
  • Hotkeys: the defaults and how to change them
  • Entries: marketable limits, offsets and partial fills
  • Scale out and flatten
  • The order bar and orders panel
5.Stops and targets
  • How Scalpel's stops work
  • Move your stop and target on the chart
  • Breakeven and trailing stops
  • R multiples: how Scalpel measures a trade
  • Stops in the pre-market: why they cannot sit on the book
6.SIM and LIVE
  • Paper trading with SIM
  • Switch to LIVE safely
  • Commissions: pick your IBKR plan
  • Analytics: review your trading
7.Risk controls
  • Set a daily loss limit (the kill-switch)
  • Fat-finger and max-position caps
  • Why Scalpel is long-only
8.Scanner
  • Set up the IBKR scanner
  • Scan types: momentum, running up and setups
  • Scan the pre-market
  • Shares out, short interest and the squeeze score
  • Arrange scan panels
9.Intel: borrow, dilution and catalysts
  • Turn on intel
  • Check a stock for dilution before you buy
  • Borrow, short fees and squeeze setups
  • Why is it moving? Catalyst grading
  • Every intel chip, explained
  • Warrant and offering lines on the chart
  • The dilution entry guard
10.Audio and alerts
  • Voice callouts and sounds
  • Alerts and toasts
11.Settings reference
  • Settings: Connection
  • Settings: Trading
  • Settings: Stops
  • Settings: Risk
  • Settings: Sizing
  • Settings: Appearance
  • Settings: Audio
  • Settings: Hotkeys
  • Settings: Intel
  • Settings: About
12.Licence, updates and account
  • Move your licence to a new computer
  • Updates: how Scalpel updates itself
  • Try new features early: the beta channel
  • Refunds, invoices and billing
  • Earn with the referral program
  • Get help on Discord
13.Troubleshooting
  • Scalpel says Disconnected: fix the IBKR connection
  • TWS is running but not accepting the connection
  • TWS signs out when IB Gateway starts
  • Delayed data, NO DATA or STALE, or Depth unavailable
  • A LIVE order was rejected
  • An order did not fill, or only part filled
  • Scan panels say the IBKR scanner is off or waiting
  • Licence: machine limit reached
  • Licence: Scalpel cannot reach scalpeltrade.com
  • Windows protected your PC: installing Scalpel
  • An update did not install, or Scalpel went back a version
  • The chart or app window is blank
  • The order bar is greyed out
  • No callouts or tape sound
  • Intel shows nothing or SEC filings are off
14.Tips and tricks
  • 40 Scalpel tips for faster, safer scalping
  • A pre-market routine with Scalpel
  • Trade without touching the mouse
  • Settings for a small account
  • Your first week: a SIM practice plan
  • The momentum method Scalpel is built around
15.Glossary
  • Day trading glossary
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Trading involves substantial risk of loss. Scalpel is software, not investment advice. LIVE mode places real orders in your Interactive Brokers account. No warranty. Simulated or replayed results do not guarantee future results. Scalpel is independent software and is not affiliated with, endorsed by or sponsored by Interactive Brokers LLC. IBKR and TWS are trademarks of their respective owners. Figures shown on this site are demo data, not live quotes. Scalpel is sold by QUITE RIGHT LIMITED, registered in England and Wales, company number 17053815. Copyright 2026.

    All guides
    1.Getting started
    • Install Scalpel on Windows
    • Install Scalpel on a Mac
    • Activate your Scalpel licence
    • Connect Scalpel to Interactive Brokers
    • Enable the API in TWS and IB Gateway
    • The IBKR market data you need for Level 2
    • Your first 15 minutes in SIM
    • A tour of the Scalpel cockpit
    • What Scalpel is for, and what it is not
    2.Desks and layout
    • Load symbols onto desks
    • Add, remove and resize desks
    • Panel settings: Level 2, tape and chart
    • Set up Scalpel for one, two or three screens
    • Desk badges: DELAYED, NO DATA, STALE and HALTED
    3.Reading the market
    • How to read Level 2 in Scalpel
    • Spot iceberg orders on Level 2
    • Read the time and sales tape
    • Hear the tape: tape sound
    • The chart: timeframes, VWAP, EMAs, MACD and delta
    • The read line and the chart read bar
    • Read the players on Level 2: venues, refills and size
    4.Placing trades
    • Sizing presets: shares, dollars or risk
    • Trade a fixed dollar risk with Risk (Cents)
    • Hotkeys: the defaults and how to change them
    • Entries: marketable limits, offsets and partial fills
    • Scale out and flatten
    • The order bar and orders panel
    5.Stops and targets
    • How Scalpel's stops work
    • Move your stop and target on the chart
    • Breakeven and trailing stops
    • R multiples: how Scalpel measures a trade
    • Stops in the pre-market: why they cannot sit on the book
    6.SIM and LIVE
    • Paper trading with SIM
    • Switch to LIVE safely
    • Commissions: pick your IBKR plan
    • Analytics: review your trading
    7.Risk controls
    • Set a daily loss limit (the kill-switch)
    • Fat-finger and max-position caps
    • Why Scalpel is long-only
    8.Scanner
    • Set up the IBKR scanner
    • Scan types: momentum, running up and setups
    • Scan the pre-market
    • Shares out, short interest and the squeeze score
    • Arrange scan panels
    9.Intel: borrow, dilution and catalysts
    • Turn on intel
    • Check a stock for dilution before you buy
    • Borrow, short fees and squeeze setups
    • Why is it moving? Catalyst grading
    • Every intel chip, explained
    • Warrant and offering lines on the chart
    • The dilution entry guard
    10.Audio and alerts
    • Voice callouts and sounds
    • Alerts and toasts
    11.Settings reference
    • Settings: Connection
    • Settings: Trading
    • Settings: Stops
    • Settings: Risk
    • Settings: Sizing
    • Settings: Appearance
    • Settings: Audio
    • Settings: Hotkeys
    • Settings: Intel
    • Settings: About
    12.Licence, updates and account
    • Move your licence to a new computer
    • Updates: how Scalpel updates itself
    • Try new features early: the beta channel
    • Refunds, invoices and billing
    • Earn with the referral program
    • Get help on Discord
    13.Troubleshooting
    • Scalpel says Disconnected: fix the IBKR connection
    • TWS is running but not accepting the connection
    • TWS signs out when IB Gateway starts
    • Delayed data, NO DATA or STALE, or Depth unavailable
    • A LIVE order was rejected
    • An order did not fill, or only part filled
    • Scan panels say the IBKR scanner is off or waiting
    • Licence: machine limit reached
    • Licence: Scalpel cannot reach scalpeltrade.com
    • Windows protected your PC: installing Scalpel
    • An update did not install, or Scalpel went back a version
    • The chart or app window is blank
    • The order bar is greyed out
    • No callouts or tape sound
    • Intel shows nothing or SEC filings are off
    14.Tips and tricks
    • 40 Scalpel tips for faster, safer scalping
    • A pre-market routine with Scalpel
    • Trade without touching the mouse
    • Settings for a small account
    • Your first week: a SIM practice plan
    • The momentum method Scalpel is built around
    15.Glossary
    • Day trading glossary
    Guides/6. SIM and LIVE

    Guide 6.4

    Analytics: review your trading

    Intermediate, 7 min read. Checked with Scalpel 1.12.8 on October 15, 2026.

    In short

    Pick Analytics in the header's VIEW picker to review every closed trade in the current mode. Overview shows net P&L, win rate, expectancy in R, profit factor, total R and max drawdown over an equity curve and an R distribution; Trades lists every trade; Breakdowns splits results by symbol and by New York hour; Goals grades you against fixed targets. SIM and LIVE each keep their own journal, all net of fees.

    A trading journal answers the questions your memory gets wrong: do you make money at 07:00 or only after the open, on $2 stocks or $8 ones, and are your losers really 1R? Scalpel keeps the journal for you. Every trade it closes, by a key, a stop, a take-profit or a flatten, is written to the current mode's journal with its entry, exit, size, fees and R.

    Before you start

    • Some closed trades in the mode you want to review. SIM is fine; SIM and LIVE are kept apart (guide 6.1).
    • R multiples understood (guide 5.4): most of these numbers are in R.

    Open Analytics

    1. 01

      Switch VIEW to Analytics

      Click VIEW in the header 1 and choose Analytics. The desks give way to the dashboard; switch back with Trade. Your positions and stops keep running while you look.

      SCALPELIBKR Scalping Cockpit
      VIEWTrade TradeAnalytics
      MODESIM
      09:41:07 ETRegular hours
      1
      The VIEW picker open: Trade and Analytics 1. Demo data.
    2. 02

      Check which journal you are reading

      The bar at the top says ANALYTICS, then the mode in a badge (SIM in blue, LIVE in orange), the four tabs, and the number of trades on the right. Analytics always reads the current MODE's journal: to see your LIVE trades, switch MODE to LIVE. With no trades yet in that mode it says so.

      ANALYTICSSIM
      OverviewTradesBreakdownsGoals
      0 trades
      No trades yetTake some SIM trades and they will appear here.
      Analytics before the first trade in SIM.
    3. 03

      Read the Overview

      The six large boxes are the headline numbers. Below them, the EQUITY CURVE and the R DISTRIBUTION.

      ANALYTICSSIM
      OverviewTradesBreakdownsGoals
      20 trades
      NET P&L+$252.13
      WIN RATE55%
      EXPECTANCY+0.3R
      PROFIT FACTOR1.57
      TOTAL R+5.1R
      MAX DRAWDOWN-$105.14
      EQUITY CURVE
      R DISTRIBUTION
      0<-2R
      7-2..-1
      2-1..0
      50..1
      51..2
      12..3
      03R+
      Overview on a 20-trade SIM journal: +$252.13 net, 55% win rate, +0.3R expectancy, profit factor 1.57. Demo data.
    4. 04

      Find the leaks in Breakdowns

      Open Breakdowns and look for the symbol or the hour where the money goes. See the sections below.

    5. 05

      Check the Goals

      Open Goals to see where you stand against the four targets and which grade that earns.

    The headline numbers

    BoxWhat it isIn the example
    NET P&LEvery closed trade's realized P&L added up, after fees+$252.13
    WIN RATEWinners as a share of winners plus losers. Trades that closed at exactly $0 are left out55%
    EXPECTANCYThe average R per trade: what one more trade is worth, in units of risk+0.3R
    PROFIT FACTORDollars won divided by dollars lost. Above 1 makes money; Inf means no losers yet1.57
    TOTAL REvery trade's R added up+5.1R
    MAX DRAWDOWNThe biggest fall of your running P&L from a high to a later low, in dollars-$105.14

    The equity curve is your running net P&L, one step per trade (not per day). It is green when you are ahead overall and red when you are behind, with a faint line at zero. The red strip under it is the drawdown: how far below your best point you were after each trade. Long red stretches are losing streaks.

    The R distribution counts your trades in seven buckets: <-2R, -2..-1, -1..0, 0..1, 1..2, 2..3 and 3R+. Red bars are losers, green bars winners. A healthy scalper's losers sit almost all in -1..0: stops honoured. Bars in -2..-1 or <-2R are trades where the stop was moved, ignored or gapped.

    Note

    R needs the risk you entered with. Scalpel records it on every SIM and LIVE entry; a position it adopted from TWS takes the default stop distance as its 1R. A trade with no recorded risk, such as an older LIVE trade journaled before Scalpel recorded LIVE risk, has no R: it counts in the dollar figures but not in expectancy, total R, the R distribution or the R ratios.

    Every other stat

    Under the charts are three rows of smaller boxes.

    SHARPE0.20
    SQN0.88
    SORTINO0.37
    KELLY20%
    RECOVERY2.40
    EXPECTANCY $+$12.61
    AVG WIN+$63.40
    AVG LOSS-$49.47
    PAYOFF1.28
    LARGEST WIN+$148.30
    LARGEST LOSS-$63.35
    COMMISSIONS-$76.99
    TRADES20
    WINS11
    LOSSES9
    WIN STREAK2
    LOSS STREAK2
    TRADING DAYS3
    The secondary stats on the same journal. Demo data.
    StatMeaning
    SHARPEAverage R divided by how much your R varies, per trade. Higher is steadier. Not annualised
    SQNSharpe times the square root of the number of trades. Green above 1.6
    SORTINOLike Sharpe, but only losing trades count as variation
    KELLYThe share of capital the Kelly formula would stake given your win rate and payoff. A curiosity, not a sizing rule
    RECOVERYNet P&L divided by max drawdown: how many times over you have earned back your worst dip
    EXPECTANCY $Net P&L per trade in dollars
    AVG WIN, AVG LOSSThe average winner and loser in dollars
    PAYOFFAverage win divided by average loss. 1.28 means winners are 1.28 times the size of losers
    LARGEST WIN, LARGEST LOSSThe single best and worst trade
    COMMISSIONSTotal fees paid (guide 6.3)
    TRADES, WINS, LOSSESThe counts
    WIN STREAK, LOSS STREAKThe longest run of each. A $0 trade does not break a streak
    TRADING DAYSNew York dates with at least one closed trade

    Trades: every trade, sortable

    Trades lists the journal, newest first. Type in Filter symbol... to show one ticker, and use All, Wins and Losses to filter by outcome. Click any column heading to sort by it; click again to reverse. The footer adds up the rows you are looking at, so filtering to Losses shows exactly what your losers cost.

    ANALYTICSSIM
    OverviewTradesBreakdownsGoals
    20 trades
    Filter symbol...AllWinsLosses
    #TIMESYMBOLSIDEQTYENTRYEXITP&LRBALANCE
    2015:43:40JKLMLong1668.558.64+$12.72+0.3R$252.13
    1913:18:45CDEFLong2502.242.04-$53.35-1.1R$239.41
    1810:34:37PQRSLong5001.871.97+$43.30+0.9R$292.76
    1710:05:14TUVWLong2504.123.88-$63.35-1.3R$249.46
    1609:50:29JKLMLong1668.428.57+$22.68+0.5R$312.81
    1509:42:33EFGHLong3333.183.03-$54.41-1.1R$290.14
    1409:36:51ABCDLong1665.716.31+$97.38+2.0R$344.55
    1308:08:35BCDELong10011.4011.20-$21.34-0.4R$247.17
    1211:08:35PQRSLong5001.952.26+$148.30+3.0R$268.51
    20 trades+$252.13+5.1R
    Trades, newest first, with the totals for the rows shown. Demo data.

    Two columns read differently from what you might expect: BALANCE is your running total of net P&L at that trade, not your account balance, and TIME is the close time in New York time, the same clock as the header and the orders panel. Sorting by TIME puts the trades in the order they closed.

    Breakdowns: where the money comes from

    ANALYTICSSIM
    OverviewTradesBreakdownsGoals
    20 trades
    BY SYMBOL
    SYMBOLTRADESNETWIN%R
    PQRS3+$259.90100%+5.2R
    JKLM4+$130.54100%+2.6R
    ABCD4+$90.7050%+1.8R
    TUVW3-$0.0533%-0.0R
    BCDE1-$21.340%-0.4R
    CDEF1-$53.350%-1.1R
    XYZA1-$60.970%-1.2R
    EFGH3-$93.3133%-1.9R
    R DISTRIBUTION
    0<-2R
    7-2..-1
    2-1..0
    50..1
    51..2
    12..3
    03R+
    NET P&L BY HOUR (ET)
    07
    08
    09
    10
    11
    13
    15
    Breakdowns: by symbol, the R distribution, and net P&L by New York hour. Demo data.
    • BY SYMBOL shows trades, net, win rate and total R for each ticker, best net first. Click a heading to sort. One ticker carrying the whole result is luck you cannot repeat.
    • NET P&L BY HOUR (ET) has a bar for each hour you traded, by the time each trade closed in New York: 07 is 07:00 to 07:59 ET. Green hours made money, red ones lost it. Is your edge in the pre-market and the first hour, or do you give it back later in the morning? This chart answers that.

    Goals and the trader grade

    ANALYTICSSIM
    OverviewTradesBreakdownsGoals
    20 trades
    ACCURACY55%Target 75%
    PAYOFF (WIN/LOSS)1.28Target 2.0
    PROFIT FACTOR1.57Target 2.0
    EXPECTANCY+0.3RPositive R
    TRADER GRADEBeginner50-60% accuracy, building a 1.0-1.5 payoff.
    Goals: met targets in green, the rest in gold, and the grade. Demo data.
    GoalTarget
    ACCURACY (your win rate)75%
    PAYOFF (WIN/LOSS)2.0
    PROFIT FACTOR2.0
    EXPECTANCYPositive R

    The TRADER GRADE comes from accuracy and payoff together:

    GradeAccuracyPayoff
    Pro70% or more1.0 or more
    Advanced60% or more1.5 or more
    Beginner50% or more1.0 or more
    NoviceAnything else

    The targets are deliberately hard. A grade on 20 trades says little; on 200 it starts to mean something.

    What can go wrong

    • Your LIVE trades are missing. Analytics reads the current mode. Switch MODE to LIVE.
    • SIM history survived a reset. That is by design: Reset SIM account clears the paper ledger, not the journal.
    • R columns show a dash. The trade had no recorded entry risk, so it has no R.
    • Too few trades to judge. A few dozen trades can look great or terrible by chance. Trading this way is difficult and carries a real risk of loss; judge your process on a large sample in SIM before you trust a number with money.

    Questions

    Does Analytics include commissions?
    Yes. Every P&L figure and R multiple is net of fees: SIM's estimate from your commission plan, or the real commission Interactive Brokers reports in LIVE. The total is the COMMISSIONS box.
    Are SIM and LIVE trades mixed?
    No. Each mode has its own journal. Analytics shows the one for the mode in the header's MODE picker.
    What is a good expectancy?
    Anything above 0R makes money over many trades, before slippage you did not have in SIM. A small positive number on hundreds of trades is worth more than a big one on twenty.
    Why does profit factor say Inf?
    You have no losing trades yet, so there is nothing to divide by.
    Can I export my trades?
    Not from the view. The journal is a plain text file per mode in Scalpel's data folder, journal/sim-trades.jsonl and journal/live-trades.jsonl, one trade per line.

    Related guides

    Guide 5.4R multiples: how Scalpel measures a tradeWhat R is, how Scalpel shows P&L in R on the chart and in the orders panel, how take-profit at N x R works, and why R makes trades on any stock comparable.Guide 6.1Paper trading with SIMSIM fills your orders against the live Level 2 book, with partial fills, slippage and commissions. How it works, its paper ledger, and how to reset it.Guide 14.5Your first week: a SIM practice planA day-by-day SIM plan for your first week with Scalpel: keys, sizing, stops, scanning and review in Analytics, so you go live with habits, not hope.
    Previous: 6.3Commissions: pick your IBKR planNext: 7.1 Set a daily loss limit (the kill-switch)
    Practice in SIM, against the live book.A lifetime license, every update included, with a 7-day refund guarantee.Ask in DiscordGet Scalpel
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