ArbCalc Pro

by goubybyron · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 21 Oct 2026

Arbitrage calculator for prediction markets and exchanges. Alt+click any price on any website to compare and compute stakes locally.

Users

+10 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#149K

#124K among extensions

Version

1.11

updated 7 Sep 2026

Users

monthly, 5 months

Latest, 21 Oct 2026: 22 usersMove the mouse over the chart for any month

Ratings count

monthly, 5 months

Latest, 21 Oct 2026: 1 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 ArbCalc Pro

ArbCalc Pro is a universal arbitrage calculator that works on any website. Alt+click any price or value to add it to the calculator — the widget instantly shows stake sizes and guaranteed profit for both legs. Supports prediction markets, crypto exchanges, and any other trading platform. All calculations run locally in your browser. No data is sent to external servers.