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Bookie Ledger

Every row has a date and a source.

  1. Bookie Ledger
  2. Data tables, change logs and calculators

Section

Data tables, change logs and calculators

Bookie Ledger publishes its working tables so a reader can repeat any comparison. The central table is the matrix: every operator against every criterion, with a source and a check date in each cell. On 7 November 2026 no snapshot exists yet, so the tables show structure and the calculators show worked examples only.

Bookie Ledger editorial team · checked

Which tables are published?

Each table comes with a CSV whose values match the visible table.

Tables planned for the data section · Source: operator public pages and GRAI licence register · Status 7 November 2026
TableColumnsStatus
MatrixOperator, licensee, licence number, 19 criteria, score, dateCould not be verified on 7 November 2026
Safer-gambling controlsOperator, five controls, source URL, dateCould not be verified on 7 November 2026
Deposit methodsOperator against eight methods, source URL, dateCould not be verified on 7 November 2026
Withdrawal termsOperator, minimum and maximum, stated time, fee, source URL, dateCould not be verified on 7 November 2026
Market coverageOperator against ten menu categories, dateCould not be verified on 7 November 2026
Settlement rulesOperator, cash out, void, dead heat, Rule 4, rules edition dateCould not be verified on 7 November 2026
Score sensitivityOperator and place under four sets of weightsCould not be verified on 7 November 2026
Inclusion logLicensee, licence type, included or the reason it is notCould not be verified on 7 November 2026

The licence under which the data may be reused has not been chosen by the owner.

Bottom line: eight tables, one CSV each, none filled until the register and operator pages are checked.

How should you read a table?

A blank cell means the operator does not publish the item on its public pages that day. It does not mean the feature does not exist.

A cell marked “Could not be verified on 7 November 2026” means the page was unavailable from Ireland or sat behind a login. It scores 0 and is not described as a fault.

Dates are the day of the check. A figure past its check date is flagged on the page.

Bottom line: blank means not published on the day; it is not a finding on the service.

What do the change logs record?

The change log records edits to published facts by version: field, previous value, new value, date and source. A page changes its modified date only after a real edit.

The terms change tracker compares two snapshots of one operator. With only one snapshot, it shows the message “No changes recorded between these snapshots.”

Bottom line: one snapshot means no changes recorded, and the tool says so.

Which calculators are provided?

The calculators teach arithmetic. They do not place bets, and the numbers below are examples, not odds from any operator.

Calculator formulas with one worked example each · All numbers are examples
ToolFormulaExample
Expected valueEV = stake × (p × O − 1); break-even probability 1/OOdds 3.00, p 40%, stake €10: EV €2.00, break-even 33.33%
OverroundSum of 1/O for all outcomes, minus 1Odds 2.50, 3.20, 3.10: overround 3.51%
Bet slipAccumulator return = stake × product of decimal oddsOdds 2.00, 3.00, 1.50, stake €10: combined 9.00, return €90.00
Terms change trackerCompares two versions of a recorded factOne snapshot: no changes recorded

Results are rounded to two decimals, half up. Each tool states that it does not place bets.

Bottom line: formulas are shown beside examples so the result can be checked by hand.

How are the tables built?

Facts come from the GRAI register, operator public pages and the Irish Statute Book. Each fact is logged with its source, date and a snapshot hash before it appears in a table.

The score is recalculated from the same facts, and the weights are listed on the ranking page. Re-checks follow the schedule per fact family: licence entries weekly, payments monthly, safer-gambling items every 90 days.

Bottom line: no figure appears in a table without a logged source.

Where to go next

Bottom line: start from a ranking and follow its cells back to the data.

Where to go next