Chicago Cubs vs. Arizona Diamondbacks

$78K Vol
Sep 2, 2026
Active
Probability Trend
Chicago Cubs 50.5%
Arizona Diamondbacks 49.5%

Core Summary

According to the latest prediction market data for the query “Chicago Cubs vs. Arizona Diamondbacks”, traders have formed a strong consensus.

Currently, 1st 5 Innings O/U 2.5 is dominating the market with an overwhelming 7,550% chance of winning. 1st 5 Innings O/U 3.5 follows in second place at 6,150%, while O/U 7.5 sits in third with 5,950%. The betting volume for this specific market has already reached $78K, reflecting intense industry interest.

Breakdown of Competitive Tiers

To better assess where each potential outcome stands, the market can be segmented into three distinct trading tiers based on implied probability and contract pricing:

🥇 Tier 1: The Dominant Leader

  • 1st 5 Innings O/U 2.5 (7,550%): Currently commanding the highest probability, 1st 5 Innings O/U 2.5 is heavily favored by the order book. Traders looking to back this outcome face a “Buy Yes” contract price of 7,550¢, signaling a high degree of market conviction.

🥈 Tier 2: The Primary Challengers

  • 1st 5 Innings O/U 3.5 (6,150%): Positioned as the most viable alternative, 1st 5 Innings O/U 3.5 maintains a 6,150% chance of resolving true. Its “Buy Yes” shares currently trade at 6,150¢.
  • O/U 7.5 (5,950%): Sitting in third place with a 5,950% probability, the market shows measured skepticism toward O/U 7.5, treating it as an outside wildcard unless momentum shifts.

🥉 Tier 3: The Long-Tail Options (Combining for ~0%)

Beyond the top three choices, a wide field of macro variables and long-shot outcomes are being tracked. While their individual probabilities hover low, they represent crucial hedges for speculative traders:

  • Alternative Options: This includes Chicago Cubs vs. Arizona Diamondbacks (5,050%), O/U 8.5 (5,050%), and NRFI (4,950%).
  • Speculative Volume: Despite low statistical likelihood, certain long-tail contracts like 1st 5 Innings O/U 4.5 are still attracting notable interest.

Comprehensive Order Book & Pricing Dashboard

The table below outlines the full breakdown of contract prices, probabilities, and market depth for all listed outcomes in this prediction pool:

RankPredicted OutcomeWin ProbabilityTrading VolumeBuy Yes (Cost)Buy No (Cost)
11st 5 Innings O/U 2.57550.0%7550¢-7450¢
21st 5 Innings O/U 3.56150.0%6150¢-6050¢
3O/U 7.55950.0%$8875950¢-5850¢
4Chicago Cubs vs. Arizona Diamondbacks5050.0%$35.7K5050¢-4950¢
5O/U 8.55050.0%$138.7K5050¢-4950¢
6NRFI4950.0%$254950¢-4850¢
71st 5 Innings O/U 4.54750.0%$8154750¢-4650¢
8O/U 9.54050.0%$3584050¢-3950¢
9Spread -1.53850.0%$1663850¢-3750¢
101st 5 Innings O/U 5.53700.0%3700¢-3600¢
11Spread -1.53250.0%$1663250¢-3150¢
121st 5 Innings Spread -1.52900.0%$52900¢-2800¢
131st 5 Innings Spread -1.52850.0%$52850¢-2750¢
14Spread -2.52750.0%$4012750¢-2650¢
151st 5 Innings O/U 6.52600.0%2600¢-2500¢
16Spread -2.52350.0%$4012350¢-2250¢
17Extra Innings750.0%$11750¢-650¢

Result Rules

In the upcoming MLB game between the Chicago Cubs and Arizona Diamondbacks, scheduled for August 26 at 3:40PM ET:

This market will resolve to "Chicago Cubs" if the Chicago Cubs win the game.

This market will resolve to "Arizona Diamondbacks" if the Arizona Diamondbacks win the game.

If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50.

The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.

Trade Activities

Here is the trade activities for this event.

Aug 26, 2026

  • 09:01 AM
    0X0x3DFb153c197D4C19D3B31c1ecD2c7B6860eeabAf-1722957908185
    $293.80

    Bought 576.07 Over for Chicago Cubs vs. Arizona Diamondbacks: O/U 8.5 at 0.51

  • 08:38 AM
    EMEMG98
    $1.00

    Bought 1.960783 Chicago Cubs for Chicago Cubs vs. Arizona Diamondbacks at 0.51

  • 08:34 AM
    LILightSword707
    $20.00

    Bought 40 Arizona Diamondbacks for Chicago Cubs vs. Arizona Diamondbacks at 0.5

  • 08:16 AM
    0X0x1448911B204105c7aCd793152babDe9CAe52e868-1781291158301
    $1.00

    Bought 1.960783 No for Will there be a run scored in the first inning?: Chicago Cubs vs. Arizona Diamondbacks at 0.51

  • 08:15 AM
    ATatlis-mlb
    $1.40

    Bought 2.8 Arizona Diamondbacks for Chicago Cubs vs. Arizona Diamondbacks at 0.5

  • 08:13 AM
    GOGold39
    $1.00

    Bought 1.694914 Over for Chicago Cubs vs. Arizona Diamondbacks: O/U 7.5 at 0.59

  • 08:04 AM
    ATathousandlivez
    $16.00

    Bought 23.880596 Chicago Cubs for Spread: Arizona Diamondbacks (-1.5) at 0.67

  • 08:03 AM
    ATathousandlivez
    $16.00

    Bought 31.372548 Chicago Cubs for Chicago Cubs vs. Arizona Diamondbacks at 0.51

  • 08:01 AM
    AYayybdot
    $11.30

    Bought 22.6 Arizona Diamondbacks for Chicago Cubs vs. Arizona Diamondbacks at 0.5

  • 03:59 AM
    SUsuntori
    $1.52

    Bought 2.980391 Over for Chicago Cubs vs. Arizona Diamondbacks: O/U 8.5 at 0.51

  • 03:59 AM
    0X0x11379F47BC32C570AFA403fdB6173d225674CBFf-1781447761460
    $5.00

    Bought 9.80392 Over for Chicago Cubs vs. Arizona Diamondbacks: O/U 8.5 at 0.51

  • 03:56 AM
    VKVkey5
    $2.47

    Bought 4.843136 Over for Chicago Cubs vs. Arizona Diamondbacks: O/U 8.5 at 0.51

Whales Wallets That Are Betting on This Event

3D1
0x3DFb…8185
Event PnL
+$159.68
Volume
$31,085.51
Positions
Chicago CubsOver
FE2
ferrariChampions2026
Event PnL
-$141.83
Volume
$28,365.14
Positions
Arizona Diamondbacks
PW3
Pwaddler
Event PnL
+$6.11
Volume
$27,691.15
Positions
Over
SD4
SDTrading
Event PnL
-$112.85
Volume
$22,574.05
Positions
Under
MO5
monkeymashingkeyboard
Event PnL
+$19.07
Volume
$3,813.07
Positions
Over
AN6
AnonymousUsername
Event PnL
+$16.34
Volume
$3,237.60
Positions
UnderYes
RO7
royalestake
Event PnL
-$15.63
Volume
$3,125.00
Positions
Under
NI8
nigiri99
Event PnL
-$21.01
Volume
$2,866.00
Positions
OverUnderChicago Cubs+3

Frequently Asked Questions

What is the current market consensus on "Chicago Cubs vs. Arizona Diamondbacks"?

As of the latest update, 1st 5 Innings O/U 2.5 leads the field as the frontrunner with a 7,550% win probability, followed by 1st 5 Innings O/U 3.5 at 6,150% and O/U 7.5 at 5,950%. Total trading volume for this pool has reached $78K, indicating deep liquidity and high trader engagement.

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