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Reading the draws and working out what chance predicts.
US · MT · ball game
Big Sky Bonus
Latest drawThursday, 22 October 2026
- 5
- 10
- 22
- 26
- 6
Jackpot$4,837
SourcesOnly Primary (commercial feed) reported this draw, so there is nothing to check it against. Settled 23 Oct 2026, 09:01 UTC.
- Primarycommercial feed
4 numbers from 1–31, plus 1 from 1–16. 3,853 draws held here since 2016-04-03 — 737 under the current rules.
503,440possible tickets
95times each number is expected so far
44%of draws repeat a number from the last one
Rules changed on 2024-10-16
Big Sky Bonus changed its number pool then, which started a new era. Only the 737 draws since count towards number statistics — mixing draws from before a rule change would make any frequency meaningless.
Your numbers, read by every tool
Type the numbers you always play. Has the line ever come up? How close has Big Sky Bonus come? What has each number done, what does the line look like, and has the same set turned up anywhere else in the world?
Every tool, for this game
Each one opens with Big Sky Bonus already selected. The line under every title is true of this game’s rules right now — not a promise about its next draw.
Frequency Explorer
In 737 draws every number is expected about 95 times, and a ball favoured by more than 38% over its share would already have shown — see which ones strayed, and how far chance allows.
Gap & “Overdue” Tracker
A number waits 8 draws on average; 5% of the time it waits 23 or more. It is never “due”.
Sum Distribution
The 4 numbers add up to about 64, give or take 17. Most tickets sit in that bell — and so do most draws.
Consecutive Numbers Surprise
34.9% of draws contain two numbers side by side. That is the rules talking, not luck.
Harmony Matrix
465 possible pairs, each expected together 9.5 times so far — and about 5 will look “special” by chance alone.
Number Constellation
All 31 numbers as a constellation of who appeared with whom — indistinguishable from a shuffled sky.
Carry-over / Déjà Vu
44% of draws repeat a number from the draw before. A whole draw repeating: 100.0% likely by now.
Delta Space
Sorted, the numbers sit about 6.4 apart on average — and every “spread” you can name is exactly as likely as every other.
The other 43 tools for Big Sky Bonus
Coverage Race
It takes about 30 draws for every one of the 31 numbers to appear at least once. The last few are the slow ones.
Draw Fingerprints
503,440 possible tickets. Every one has a face — and a typicality score you can look up.
Randomness Observatory
Seven independent tests of randomness run live against all 737 draws. Any of them can fail; watch whether they do.
Positional Ribbons
The lowest number lands near 6, the highest near 26. Position is a property of sorting, not of the balls.
Cross-Lottery Mirror
4/31 rescaled onto the same axes as every other game here. One law, many machines.
Six true stories
Six documented cases of a beaten lottery. Not one involved patterns in past draws.
Cultural Numbers Atlas
What the world believes about 7, 8, 13 and 17 — and what every machine says back.
The Unpopular Numbers Edge
At 30 million tickets, an average line keeps about 0% of a jackpot it wins. Unpopular numbers keep more — and still lose money.
Wheel Workshop
A full wheel of 10 numbers here is 210 tickets. A guarantee is real; a profit is not.
Myth Rebuttal
Five folk claims about 4/31 games, each answered with the closed form that kills it — never a tip for the next draw.
