Biggest Sports Betting Wins — Monday, May 18, 2026
4 notable wins | Total payouts: $98,460 | Total taxes: $23,913
$98,460
Total Payouts
$23,913
Total Taxes
24.3%
Avg Tax Rate
🥇
March Madness6-Leg Parlay
$86,650
from $50 wager
6-leg parlay on First Round Upset — $50 turned into $86,650
Source: RedditTax Breakdown (Florida)
Net Profit
$86,600
Federal Tax (24%)
-$20,784
State Tax (no tax)
$0
Take-Home
$65,816
OBBBA Note: If this bettor had $86,600 in losses elsewhere, they'd still owe $2,078 in 'phantom income' tax under 2026 OBBBA rules.
🥈
NBA7-Leg SGP
$9,760
from $20 wager
7-leg SGP on Warriors vs Nuggets — $20 turned into $9,760
Source: X/TwitterTax Breakdown (Pennsylvania)
Net Profit
$9,740
Federal Tax (24%)
-$2,338
State Tax
-$299
Take-Home
$7,103
OBBBA Note: If this bettor had $9,740 in losses elsewhere, they'd still owe $234 in 'phantom income' tax under 2026 OBBBA rules.
🥉
UFCStraight Bet
$1,200
from $200 wager
moneyline bet on Co-Main Event — $200 turned into $1,200
Source: X/TwitterTax Breakdown (Illinois)
Net Profit
$1,000
Federal Tax (24%)
-$240
State Tax
-$50
Take-Home
$710
#4
MLBFutures
$850
from $10 wager
futures bet on Astros vs Rangers — $10 turned into $850
Source: RedditTax Breakdown (Nevada)
Net Profit
$840
Federal Tax (24%)
-$202
State Tax (no tax)
$0
Take-Home
$638