Colorado turned into one of the states that allowed sports banking on May 1, 2020, but clearing the legislature was just the start. The path to legalization came less than 6 months after Colorado citizens approved a tally measure, by a slim margin, that would cover the guideline of sports wagering through certified casinos.

Both mobile and retail sports wagering are allowed under Colorado law. The state will leverage tax earnings from sports wagering to help fund numerous state water jobs.

This timeline illustrates notable milestones in Colorado's sports gambling history:

Nov. 12, 2025: Colorado's Southern Ute and Ute Mountain Ute Indian Tribes are difficult restrictions that limit their participation in online sports wagering.

Aug. 13, 2025: A Colorado bettor turned a $100 5-game parlay into a $28k payday on Caesars, betting on MLB video games.

July 10, 2025: International sportsbook bet365 has obtained a building in Denver, Colorado worth $135 million, and it'll serve as bet365's American Headquarters.

May 8, 2025: A bill to avoid Colorado sports wagering websites from cutting their taxable revenue by utilizing advertising betting credits has actually been postponed.

April 29, 2025: According to the Colorado Department of Revenue's report, a 5.9% hold during a heavy basketball-betting month in March resulted in $36.2 million in gross revenue, down 27.6% compared to the very same month in 2024 and is the least expensive income total of 2025.

April 22, 2025: Colorado's HB 1311, which proposes taxing first wager deal to increase sportsbook earnings, is advancing, with the expense possibly generating $12 million yearly, moneying urgent water infrastructure needs.

April 2, 2025: Colorado's sportsbook nearly triple year-over-year revenue in February, reporting $96.6 million in wagers for the month.

March 11, 2025: Colorado's January sportsbook revenue skyrockets, with the tax costs striking an all-time high thanks to a boost in hold.

Dec. 3, 2024: Sportsbooks brace for Colorado Buffaloes dual-threat WR/CB Travis Hunter to win the Heisman Trophy, which would result in excellent payouts to gamblers.

Nov. 27, 2024: Colorado sports wagering earnings falls to $39.3 M in October, making a 16.2% drop year-over-year from the same month in 2023.

Nov. 13, 2024: Colorado Buffaloes dual-threat WR/CB Travis Hunter has fastest -115 odds to win the Heisman Trophy, which is yearly provided to College Football's best player.

Oct. 30, 2024: The NFL's return vaults Colorado's handle in September, as football represented more than 30% of the state's overall wagers.

Oct. 24, 2024: bet365 partners with Kroenke Sports to enable Colorado sports fans to view regional Denver Nuggets and Colorado Avalanche games through direct-to-consumer streaming choices.

Oct. 2, 2024: Colorado's handle has a 22% year-over-year increase thanks to college football and table tennis wagering.

Sept. 30, 2024: bet365 employs 1,000 brand-new workers for their brand-new Colorado-based U.S. head office.

Sept. 20, 2024: The Colorado Buffaloes still move the needle in terms of sports wagering action thanks to star players and head coach.

Sept. 19, 2024: SI Sportsbook closes shop in Colorado, marking the third operator to leave the Centennial State this month. Colorado now is home to 14 online sports wagering websites.

Sept. 6, 2024: The public is "all over" the underdog Colorado Buffaloes entering their primetime matchup versus Nebraska this weekend.

Sept. 4, 2024: Colorado's sports betting income rises in July, bringing in $32.5 million for the month.

Sept. 2, 2024: BetSafe reveals its exit from Colorado, marking the 2nd sportsbook to leave the Centennial State in September.

Aug. 31, 2024: Australian-owned ClutchBet reveals exit from all U.S. markets, consisting of Colorado, on Sept. 16, 2024.

Aug. 22, 2024: Colorado regulators got rid of a 145 'negative' sports betting markets from local operators.

July 29, 2024: Baseball and basketball fuel Colorado's 206% year-over-year income increase for sports betting in June.

July 22, 2024: SuperBook Sports pulls out of 8 post-PASPA states, including Colorado.

July 1, 2024: Colorado bettors bet greatly on the NBA Playoffs, assisting the state to top $400 million in sports wagering deal with.

June 24, 2024: The Colorado people' sports betting plans continue to deal with resistance from local lawmakers.

June 3, 2024: bet365 is providing repaired odds for horse racing for users in New Jersey and Colorado.

June 3, 2024: Colorado's sports betting manage reaches over $500 million for the 8th successive month

May 6, 2024: Colorado moves to a $593 million handle in March thanks to basketball betting.

March 7, 2024: Colorado sports betting operators set a brand-new income high in January, eclipsing $53.5 million in wagers - $2.2 million increase from the previous record.

Feb. 21, 2024: A collaboration in between bet365 and SIS sees fixed odds horse racing land in Colorado, marking the very first time it has been provided in the U.S.

Feb. 2, 2024: Colorado sees a record-high manage and tax revenue in December, accepting $716.4 million in wagers and charging operators $3.6 million in taxes.

Jan. 26, 2024: bet365 launches a free-to-play fantasy contest in 5 states, including Colorado, ahead of NFL Championship Weekend, providing a $25,000 reward pool for each video game.

Jan. 15, 2024: Colorado sees statewide record-high $608.4 million in sports wagering deal with for November.

Dec. 13, 2023: With an October Colorado betting handle of $554.8 million, CO sportsbooks see an 8% lift in total bets compared to September.

Nov. 14, 2023: ESPN BET goes live with online and mobile sports wagering, releasing in Colorado and 16 other states.

Nov. 2, 2023: ESPN BET plans to launch on Nov. 14, 2023, with online sports betting going live in 17 U.S. states, including Colorado.

Oct. 31, 2023: Sports betting-like fantasy contests poised for Colorado crackdowns.

Sept. 12, 2023: Colorado's Department of Revenue reports $281.1 million in sports bets for the month of July.

Sept. 8, 2023: Bally Bet goes back to Colorado as a Kambi sportsbook.

Aug. 31, 2023: FOX Bet formally closes down operations in Colorado after a phased closure. Users who still have a balance in their account can play on PokerStars and PokerStars with the exact same login.

Aug. 29, 2023: Colorado invites a brand-new online sportsbook - Sporttrade - to the state.

Aug. 11, 2023: WynnBET announces that it will be leaving the Colorado sports betting market as soon as possible.

Aug. 1, 2023: Colorado's Department of Revenue reveals $310.6 in retail and online sportsbook wagers for June 2023.

July 24, 2023: PlayUp Colorado continues to accept bets, despite an attract put its site in "upkeep mode."

June 16, 2023: Colorado's Gaming Commission voted 3-1 to postpone adopting new guidelines about sports betting exchanges.

May 4, 2023: Colorado sports wagering earnings doubles in March thanks to a March Madness boom.

April 25, 2023: ClutchBet enters its 2nd U.S. market, introducing in Colorado. The BlueBet sportsbook went live in Iowa in August 2022.

April 5, 2023: The Colorado Rockies reveal a three-year advertising partnership with bet365.

March 29, 2023: With the Kentucky Derby looming, DraftKings introduces its horse-racing app to the Colorado sports wagering landscape.

March 3, 2023: A bump in Colorado's January sports wagering handle stems from an uptick in betting on basketball's return.

Additionally, Sen. Dylan Roberts and Rep. Cleave Simpson present Senate Bill 177, which would allocate $10.6 million in sports wagering income to state water tasks.

Feb. 17, 2023: The Colorado Limited Gaming Commission (CLGC) fines Monarch Casino $400,000 for proxy betting by 3 employees. The fine is the largest ever enforced on a gambling establishment operator in the state.

Feb. 10, 2023: Simulcast betting on greyhound racing could be coming to an end, as HB 1041 relocations forward in the state legislature. While Colorado banned racing in 2014, the costs would see the termination of wagers on races that occur on out-of-state tracks.

Jan. 5, 2023: Colorado sports wagering recorded its 2nd largest monthly manage in November 2022.

Jan. 3, 2023: New Colorado sports wagering bill could double tax earnings practically right away.

Oct. 20, 2022: Underdog Sports secures a momentary license to run in Colorado, setting the phase for the business to launch its sports wagering item in its very first two states come 2023.

Sept. 1, 2022: bet365 becomes the 26th online sportsbook to go live in Colorado.

Aug. 2, 2022: Seven-time Formula One champ Lewis Hamilton joins the Denver Broncos ownership group.

June 30, 2022: Colorado becomes the seventh state to exceed $7 billion in overall sports betting manage.

BetWildwood shuts down its Colorado sports wagering app as it prepares to introduce a new and improved app.

June 15, 2022: The state's director of video gaming, Dan Hartman, exposes that hockey betting deal with increased 145% from April 2021 ($10.6 million) to April 2022 ($26 million). The Avalanche presently being in the Stanley Cup Final.

June 14, 2022: An audit conducted by the Colorado Office of the State Auditor exposes significant problems with the Colorado Division of Gaming's regulation of sports wagering, consisting of a failure to correctly carry out background checks for a wide variety of licenses.

May 30, 2022: Colorado's sports wagering deal with insinuated April compared to March however was greater year over year.

May 10, 2022: The Senate-amended "Responsible Gaming Grant Program" bill is advanced by the House through a 50-15 vote. The legislation now heads to the desk of Gov. Polis to possibly be signed into law.

May 6, 2022: A bill that would fund issue video gaming programs in Colorado is amended by the Senate to note that the $3 million dedicated to the problem would be offered "annually" rather than "continually," upsetting advocates for gambling addiction treatment and avoidance. The costs travels through the Senate, 25-8, and proceeds to your home.

April 28, 2022: Colorado's sports betting manage rebounded in March to $505.6 million, thanks mainly to college basketball wagering around March Madness.

April 27, 2022: BlueBet reveals that its U.S. brand, ClutchBet, will be used when it releases an online sportsbook in Colorado.

April 26, 2022: Alec Garnett, the state's Speaker of your house, presents an expense that would fund responsible betting programs in Colorado.

April 20, 2022: MaximBet and Colorado Rockies outfielder Charlie Blackmon reveal a sports betting ambassador partnership. The offer is the very first of its kind in between a regulated sportsbook and an active MLB player.

April 5, 2022: Colorado sports betting slowed in February, with sportsbooks accounting for a total deal with of $440.5 million -a 23% decrease from January's handle.

March 17, 2022: The Colorado Limited Gaming Control Commission authorizes a change to the state's sports wagering guidelines that enables fixed-odds wagering on horse and greyhound racing. The practice is set to get an 18-month trial run.

March 4, 2022: Colorado Division of Gaming suspends all banking on Russian sports.

March 1, 2022: Colorado posts an all-time single-month sports wagering manage record of $573.7 million in January 2022, crushing its previous finest of $491.5 million in October 2021.

Feb. 10, 2022: Betsson, the Swedish gaming operator, exposes plans to introduce its mobile sportsbook in Colorado later on in 2022.

Jan. 26, 2022: BlueBet indications a skin agreement with the Wild Card Saloon & Casino in Blackhawk. The Australia-based BlueBet will want to introduce an online sportsbook in CO, pending licensing and regulative approval.

Jan. 24, 2022: Kambi ends up being the new unique sportsbook provider of MaximBet.

Jan. 3, 2022: Colorado sportsbooks registered record revenue in November, returning nearly $2 million in taxes for the state.

Dec. 17, 2021: bet365 gets approval to offer online sports betting in Colorado.

Sept. 2021: SI Sportsbook, partnered with 888, goes reside in Colorado.

Aug. 2021: Barstool Sportsbook, the Penn National Gaming-controlled home, launches in Colorado.

May 2020: The first online Colorado sportsbooks formally go live as BetMGM, BetRivers, DraftKings, and FanDuel all launch in CO.

. Nov. 2019: Colorado Proposition DD narrowly passes a voter referendum, permitting the state's 33 gambling establishments to get licenses to offer in-person and online sports wagering.

May 2019: Governor Jared Polis indications the 37-page expense into law.

April 2019: House Bill 1327 is introduced by Rep. Alec Garnett. The bill would legislate sports betting in Colorado.