An OddsJam alternative that dates every quote it shows you
150+ books and an odds screen refreshing every second, at Promo Arbitrage $79.99/mo; Pre-Match Arbitrage $199.99/mo; Live Arbitrage $499.99/mo — read 2026-09-24, source.
What OddsJam does not tell you
Publishes no fill rate and no latency figure.
OddsJam lists Promo Arbitrage $79.99/mo; Pre-Match Arbitrage $199.99/mo; Live Arbitrage $499.99/mo. The cheapest monthly plan is $960 a year you clear before any profit is yours — 40 winning bets a month at a $100 stake and a two percent edge, every month, to reach zero (read 2026-09-24, source).
Side by side
| OddsJam, as published | Bookbreaker, as computed | |
|---|---|---|
| Price | Promo Arbitrage $79.99/mo; Pre-Match Arbitrage $199.99/mo; Live Arbitrage $499.99/mo — read 2026-09-24, source | Free — 8.2 MB, no account |
| What it advertises | 150+ books and an odds screen refreshing every second — read 2026-09-24, source | 27 venues catalogued across 50 states |
| The gap we recorded | Publishes no fill rate and no latency figure — read 2026-09-24, source | Every quote carries its age, floored by that book's own measured feed latency |
Every cell in the middle column carries the date it was read and a link to where. Some gaps are something we looked for and did not find; others are something the tool states plainly about how it works. Neither is a claim about what it could do, only about what it published on that date. The right column is computed by running this engine when the page was built.
What a quote is worth once it has aged
84%against 89% if you ignore the feed's own 5.4s of lag
3.37%of a 4% edge, once the chance of the fill is priced in
8.2 MBruns on your machine; your record never leaves it
An odds screen refreshing every second still shows you a price stamped by the book, not by the moment it reached the screen. Without a latency figure there is no way to tell a one-second-old quote from a six-second-old one, and at these edge sizes that gap is most of the decision.
Why every tool in this list has the same blind spot → · Bookbreaker is free →
Prices change. This one carries the date it was read.