Executive summary

Wyoming's "pari-mutuel slots" are horse-race bets dressed as slot machines, and a statute is the only reason they are legal. A historical horse racing (HHR) terminal sells a pari-mutuel wager on a randomly drawn, anonymized race that has already been run; the reels, bonus art and jackpot meters on the screen act out a prize already settled on a server by scoring the player's picks against a real order of finish and pricing the result from wager pools. The Commission tried to allow the product by rule in 2003, and the Wyoming Supreme Court struck it down in 2006 as "a slot machine that attempts to mimic traditional pari-mutuel wagering"; the Legislature then authorized it by statute — 2013 HB0025, signed February 27 and effective July 1, 2013.

The market is $2.49 billion a year and still growing. HHR handle rose from $113.6 million in 2014 to $2,491,842,280 in 2025 — a figure implied to the dollar by the Commission's own 1% local-share reports — and the first half of 2026 ran $1.41 billion, 16.6% ahead of the first half of 2025. The Commission counted 3,720 operating terminals on February 25, 2026, in a 42-listing parlor directory spread over 14 towns and 11 of the state's 23 counties.

Lost Cabin Consulting · Slot Intelligence Series SE 26-WY · High Plains Handle Three operators, two owners, one border strategy. Wyoming Downs and 307 Horse Racing's Derby Club parlors now run as one ECL–Clairvest–WERCS joint venture (2,174 terminals, 58.4%), and Pacesetter's Wyoming Horse Racing runs the Horse Palace brand (1,546, 41.6%), including the two largest parlors in the state — Swan Ranch south of Cheyenne (430) and Gateway in Evanston (292). Laramie County alone took 29% of all HHR wagering in the first half of 2026; the operators told legislators that 85–90% of the Evanston crowd comes from Utah and about 60% of the Torrington-area parlor's customers from Scottsbluff, Nebraska.

Every dollar sheds 1.9 cents to government and breeders, and players have gotten back about 91 to 92 cents. The statute sends 1% of HHR handle to the host county and town, 0.40% to the Breeders' Award Fund and 0.25% each to the Commission and the state's rainy-day fund. Players received 92.31% of HHR handle statewide in 2019 and 91.31% in an operator's January 2024 example; one uncorroborated 2025 figure implies an 11.7% hold. No payback is published for any title, and no rule sets a minimum.

Seven of this series' eleven subjects are on Wyoming terminals — in HHR form. Rakin' Bacon (eight versions), Big Hot Flaming Pots (two, approved September 2025), Huff N' Puff (eight), Aristocrat's Buffalo family (eleven), Quick Hit, Spooky Link (Mo' Mummy and Yo Yeti, February 2026) and Dancing Drums are approved; Regal Riches, Dragon Link, Wolf Peak and video poker are not. The art and the bonus presentation carry over. The math does not: each title runs on its own Commission-approved HHR "math model" version, and no return published for a casino build transfers to it.

HHR is neither Class II nor Class III. Those labels come from federal Indian gaming law — Class II is bingo and its electronic aids, Class III everything else, slots included. Wyoming's HHR terminals are state-licensed pari-mutuel "simulcasting" of historic races, sold in bars and parlors off the reservation. The Wind River tribes' casinos are Class III, the Eastern Shoshone under a compact running to 2046 and the Northern Arapaho under federal procedures won in Northern Arapaho Tribe v. Wyoming (10th Cir. 2004) that run to 2040.

The courts drew the lines; since July 1, 2026 the towns and counties hold the pen. A 2015 Attorney General opinion shut every HHR terminal in the state over chance-based bonus rounds, and the Supreme Court held in 2023 that Campbell County could not revoke approvals it had granted (2023 WY 10). The 2026 local-control law, SF0045, lets towns and counties approve, condition and revoke parlors but enacted no terminal cap; existing parlors must meet it from July 1, 2027, and every cap proposal from 2024 through 2026 died.

The tracks run because the parlors pay. Each HHR permit requires at least 16 live flat-track race days a year. Wyoming went from zero race days in 2010 to 72 approved for 2026, a Breeders' Award Fund that paid more than $10 million for the 2025 season, and a $298,150 futurity — the richest race in state history as of this writing.

What the volume covers

Section 1 is the orientation: the law, the regulator, the permittees and the numbers. Sections 2 and 3 are the history and the tracks. Section 4 is the mechanical core — what happens to a wager, step by step — and Section 5 the math and where a dollar goes. Section 6 lists the platforms and titles, cross-referenced against the eleven volumes of this series, and Section 7 separates Class II, Class III, HHR and skill games. Section 8 is the location guide: the map, every parlor, every county. Section 9 covers the money, the market and the neighbors; Section 10 the statutes, rules, opinions and every court case. In this volume HHR is historical horse racing (Wyoming's statute says "historic"); handle is the total amount wagered; a permittee is a company holding Commission permits; a parlor is an off-track wagering site; and the Commission is the Wyoming Gaming Commission. Appendix A grades the sources, Appendix B shows every calculation, Appendix C answers the persistent-state question, and the series cross-reference at the back sets the eleven numbered volumes against Wyoming's catalogs.

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Independent research by Lost Cabin Consulting LLC, not published, endorsed or reviewed by any game maker; game names belong to their owners. Gambling carries real risk of loss, and nothing here promises a win. Play only where it is legal and you are of age. If gambling stops being fun, call 1-800-GAMBLER. See the disclaimer.

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