Position size calculator for TopstepX. Auto-calculates contracts based on risk %, stop loss, and account balance.
Users
68
+4 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#97K
#81K among extensions
Version
8.0
updated 22 Apr 2026
Users
monthly, 14 months
Latest, 19 Oct 2026:68 usersMove the mouse over the chart for any month
Ratings count
monthly, 14 months
Latest, 19 Oct 2026:2 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About RiskX — Topstep Position Size & Risk Calculator
Stop guessing your size. Protect your funded account with precise, automated risk management.
RiskX is the essential companion for TopstepX traders. It removes the mental math so you never violate the Scaling Plan or blow an account over a calculation error.
Stay Compliant
- Auto-detects your account size (50K / 100K / 150K) and profit level via the TopstepX API
- Enforces max contract limits in real-time based on the official Scaling Plan — flashes red when you'd exceed them
- Reads your live balance and selected instrument directly from the TopstepX interface
Fast Execution
- Enter your stop loss (ticks) and risk % — get the exact contract size instantly for 40+ instruments
- 1-click or Ctrl+Enter to copy the result and auto-fill the TopstepX order field
- Customizable preset buttons for your most-used SL ticks and risk percentages — long-press any preset to edit it
Trade Planning
- Enter a price to see calculated SL and TP levels before you execute
- Instant R:R ratio and dollar risk/reward for every setup
- Toggle sections on or off to keep the widget minimal
Built for Your Workflow
- Draggable, minimizable widget that remembers its position
- All settings persist across sessions
- Right-click menu to toggle sections or reset position
Supported Instruments
Indices: ES, MES, NQ, MNQ, YM, MYM, RTY, M2K
Energy: CL, MCL, NG, QG, HO, RB
Metals: GC, MGC, SI, SIL, HG, MHG, PL
FX: 6E, 6B, 6J, 6A, 6C, 6S + micros
Treasuries: ZB, ZN, ZF, ZT, UB, TN
Grains: ZC, ZS, ZW, ZL, ZM
Crypto: BTC, MBT, MET
...and more
Disclaimer: RiskX is an independent third-party tool, not affiliated with or endorsed by Topstep. Always verify calculations and trade responsibly.
Growth
Window
Users
Change
Ratings
Rating
7 days
+8
+13.3%
0
0.00
30 days
+4
+6.2%
0
0.00
6 months
+24
+54.5%
+1
0.00
1 year
+58
+580.0%
+1
0.00
Chrome Web Store search rankings
Where RiskX — Topstep Position Size & Risk Calculator appears when people search the store, with the 30 day change