Predictbook
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Prediction markets intelligence desk.

Website:
https://predictbook.co/

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> Analysis: https://x.com/Predictbook
> Alerts: https://x.com/PB_Signal

Full analysis & write-ups? @PredictbookAnalysis
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⚖️ ARBITRAGE ALERT | Polymarket × Kalshi

Kylian Mbappé — finish 3rd in the 2026 Ballon d'Or?

YES Kalshi @ 0.06
NO Polymarket @ 0.85
Spread: 9%

#sports_bet
⚡ Unusual Activity | Polymarket

Will Galatasaray SK win on 2026-10-21?

🎯 YES 36¢
└ Started: Oct 21, 4:45pm UTC

🏃 Crowd
├ Usual per 15 min (prior hour avg): 18.2 traders
└ Last 15 min: 74 traders (+305%)

#sports_bet
📈 Activity Spike | Kalshi

Toluca vs Tijuana

🎯 Toluca 75¢
└ Resolves: Oct 22, 4:00am UTC

💥 Volume Burst
├ Prior 15 min: $3
└ Last 15 min: $336,198

#sports_bet
⚡ Unusual Activity | Polymarket

Will FC Bayern München vs. Arsenal FC end in a draw?

🎯 YES 24¢
└ Starts: Oct 21, 7:00pm UTC

🐋 Wallet Activity
├ Wallet: 0xdc60…95df
├ Market usual per 15 min (24h avg): $424
└ Last 15 min: $105,000

#sports_bet
⚡ Unusual Activity | Kalshi

Nasdaq-100 price on Oct 21, 2026 at 2pm EDT?

🎯 29,900 or above
└ Resolves: Oct 21, 6:00pm UTC

🚀 Odds Swing
├ 15 min ago: 64¢
└ Now: 28¢ (−36¢)

#general_bet
⚡ Unusual Activity | Kalshi

Goffin vs Bertola

🎯 Remy Bertola
└ Resolves: after the match

🚀 Odds Swing
├ 15 min ago: 55¢
└ Now: 90¢ (+35¢)

#sports_bet
⚡ Unusual Activity | Polymarket

Dota 2: salamit vs HULIGANI - Game 2 Winner

🎯 salamit 19¢
└ Started: Oct 21, 3:45pm UTC

🏃 Crowd
├ Usual per 15 min (prior hour avg): 20.5 traders
└ Last 15 min: 93 traders (+354%)

#esports_bet
📈 Activity Spike | Kalshi

Kouame vs Musetti

🎯 Lorenzo Musetti 90¢
└ Resolves: after the match

📊 Volume surge
├ Hour before: $13,217
└ Last hour: $308,052

#sports_bet
🐋 Whale Trade | POLYMARKET

FC Bayern München vs. Arsenal FC

📅 Resolves: 21/10/26 7:00 pm UTC

🎯 Buy FC Bayern München to NOT beat Arsenal FC
├ Size: $100,000
├ Price: 60¢
└ Payout: $166,667 (1.7x)

💰 Total bet so far: $100,000
├ Avg: 60¢
└ Payout: $166,667 (1.7x)

🥷 Trader: nb1985
├ PnL: N/A
├ Bought: No on FC Bayern München
└ Time: 21/10/26 6:13 pm UTC

#sports_bet
⚡ Unusual Activity | Polymarket

European Open: David Goffin vs Remy Bertola

🎯 David Goffin
└ Started: Oct 21, 4:10pm UTC

🚀 Odds Swing
├ 15 min ago: 48¢
└ Now: 88¢ (+40¢)

#sports_bet
⚡ Unusual Activity | Polymarket

Will Club Brugge KV win on 2026-10-21?

🎯 YES 56¢
└ Starts: Oct 21, 7:00pm UTC

🐋 Wallet Activity
├ Wallet: 0x5815…0ae7
├ Market usual per 15 min (24h avg): $159
└ Last 15 min: $100,000

#sports_bet
⚡ Unusual Activity | Kalshi

Levante vs Bilbao

🎯 Levante
└ Resolves: Oct 21, 9:00pm UTC

🚀 Odds Swing
├ 15 min ago: 26¢
└ Now: 75¢ (+49¢)

#sports_bet
⚡ Unusual Activity | Kalshi

Nasdaq-100 price on Oct 21, 2026 at 3pm EDT?

🎯 29,890 or above
└ Resolves: Oct 21, 7:00pm UTC

🚀 Odds Swing
├ 15 min ago: 33¢
└ Now: 70¢ (+37¢)

#general_bet
🌱 Developing Market | Kalshi

Levante vs Bilbao

🎯 Bilbao
└ Resolves: Oct 21, 9:00pm UTC

💰 Trading
├ Opened: Oct 21, 2:03pm UTC
└ Traded (24h): $195,769

#sports_bet
⚡ Unusual Activity | Polymarket

Will Real Betis Balompié win on 2026-10-21?

🎯 YES 56¢
└ Starts: Oct 21, 7:00pm UTC

🏃 Crowd
├ Usual per 15 min (prior hour avg): 2.8 traders
└ Last 15 min: 60 traders

#sports_bet
🐋 Whale Trade | POLYMARKET

FC Bayern München vs. Arsenal FC

📅 Resolves: 21/10/26 7:00 pm UTC

🎯 Buy FC Bayern München to NOT beat Arsenal FC
├ Size: $115,776
├ Price: 60¢
└ Payout: $192,960 (1.7x)

💰 Total bet so far: $115,776
├ Avg: 60¢
└ Payout: $192,960 (1.7x)

🥷 Trader: 0xb4f9...c9a7
├ PnL: N/A
├ Bought: No on FC Bayern München
└ Time: 21/10/26 6:51 pm UTC

#sports_bet
⚡ Unusual Activity | Kalshi

S&P price on Oct 21, 2026 at 4pm EDT?

🎯 7,755 or above
└ Resolves: Oct 21, 11:00pm UTC

🚀 Odds Swing
├ 15 min ago: 91¢
└ Now: 45¢ (−46¢)

#general_bet
📈 Activity Spike | Kalshi

Real Madrid vs Leipzig

🎯 Real Madrid 81¢
└ Resolves: Oct 21, 10:00pm UTC

📊 Volume surge
├ Hour before: $106,099
└ Last hour: $639,184 (+502%)

#sports_bet
⚡ Unusual Activity | Kalshi

ETH price range on Oct 21, 2026 at 5pm EDT?

🎯 $2,470 to 2,509.99
└ Resolves: Oct 21, 9:05pm UTC

🚀 Odds Swing
├ 15 min ago: 34¢
└ Now: 76¢ (+42¢)

#crypto_bet
📈 Activity Spike | Polymarket

Real Madrid CF vs. RB Leipzig: O/U 4.5

🎯 Over 50¢
└ Started: Oct 21, 7:00pm UTC

💥 Volume Burst
├ Prior 15 min: $98
└ Last 15 min: $114,045

#sports_bet
🌱 Developing Market | Polymarket

Counter-Strike: TheMongolz vs PRIVATE (BO3) - 1win Private Club Playoffs

🎯 TheMongolz
└ Started: Oct 21, 6:00pm UTC

💰 Trading
├ Opened: Oct 21, 2:35pm UTC
└ Traded (24h): $256,390

#esports_bet