# Toronto Blue Jays vs. Baltimore Orioles: O/U 8.5

> Polymarket binary prediction market. 51% implied probability of YES as of Thu, 28 May 2026 19:02:47 GMT. 24h change +0.5pp, 24h volume $275.6K.

**Canonical URL:** https://orrery.me/markets/mlb-tor-bal-2026-05-28-total-8pt5
**Polymarket source:** https://polymarket.com/event/mlb-tor-bal-2026-05-28-total-8pt5
**Category:** Sports
**Resolves by:** May 28, 2026
**Last fetched:** 2026-05-28T19:02:47.303Z

## Live snapshot

| Metric | Value |
|---|---|
| YES probability | **51¢** (51%) |
| Δ 1h | +1.0pp |
| Δ 24h | +0.5pp |
| Δ 1w | +0.0pp |
| 24h volume | $275.6K |
| Lifetime volume | $275.6K |
| Liquidity (orderbook depth) | $186.7K |
| Spread | 1.00pp |

## Resolution

**Resolves by:** May 28, 2026

**Source:** https://www.mlb.com/scores

### Market description (verbatim from Polymarket)

> In the upcoming MLB game between the Toronto Blue Jays and Baltimore Orioles, scheduled for May 28 at 6:35 PM ET:
> 
> This market will resolve to "Over" if the Toronto Blue Jays and Baltimore Orioles combine to score 9 or more runs in this game.
> 
> If the combined total is less than 9, this market will resolve to "Under".
> 
> 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, this market will resolve 50-50.
> 
> To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game.
> 
> 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.

## Active signals

Signals are deterministic rules with explicit confidence (0..1). They describe *why a price moved* — they are not trade recommendations and do not predict the outcome.

- **resolution_risk** (confidence 40%): Expires in 4h.

## Top holders

**Top YES holders**

- `0x09b5…7e72` — 72,081.2 shares
- `0x27f7…44b0` — 68,555 shares
- `0x9495…9a27` — 18,280 shares
- `0x5268…135d` — 5,255.664 shares
- `0x205c…9192` — 3,825 shares

**Top NO holders**

- `0xb91a…3987` — 200,000 shares
- `0x7a30…8abd` — 1,021 shares
- `0x0249…5b4b` — 650 shares
- `0xad88…3c1e` — 300 shares
- `0xc8fd…3e24` — 204.082 shares

## 7-day price-history summary

| Metric | Value |
|---|---|
| Sample count | 27 |
| Window start | 2026-05-27T18:00:03.000Z |
| Window end | 2026-05-28T19:01:05.000Z |
| Range | 50¢ → 52¢ |
| Net change | +0.5pp |

Full series available as JSON via `GET https://orrery.me/api/markets?slugs=mlb-tor-bal-2026-05-28-total-8pt5` — the chart on the human page is rendered from this same data.

## Cite this

```
Orrery. "Toronto Blue Jays vs. Baltimore Orioles: O/U 8.5 — 51% on Polymarket."
Retrieved 2026-05-28T19:02:47.303Z from https://orrery.me/markets/mlb-tor-bal-2026-05-28-total-8pt5.
```

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