BinaryStreaks

Will no male player win a calendar Grand Slam in 2026?

Updated 3d ago

How to read the numbers

Implied / market-implied YES

The probability of YES implied by current traded prices (mid or last). It is what participants are paying for, not a claim about real-world odds.

Model estimate

A rule-based heuristic from the signal engine when a rule sets one, not a black-box forecast. Some signals only describe liquidity or spreads and may show no model estimate.

Edge / gap

The difference between the model estimate and market-implied, in percentage points (model minus market for YES). Filters may use “largest gap.” This is informational only-not trading advice or guaranteed advantage.

Stance (above / below / near estimate)

Compares market-implied to the model estimate when both exist. Labels are not buy or sell recommendations.

Confidence

A simple UI clarity label for signals (not a prediction). It summarizes the signal’s own magnitude/quality metrics into one of: Low, Mid-low, Mid, Mid-high, or High.

Volume

Reported trading activity for the market, for context on size and liquidity.

Change & sparklines

Movement in market-implied YES over the window labeled on the card-often 24h where data allows.

Signals

Rule-based flags from ingested public data. They are not trade recommendations.

More detail in Methodology.

Sports · market-implied 99.5%

PolymarketVolume ~164,109.628← All markets

Recent price

99.5%

This is a market to predict who will win a men's tennis Calendar Grand Slam in 2026. This market resolves to the single male player who wins the Men’s Singles titles at all four Grand Slam tournaments in 2026. The relevant 2026 Grand Slams are the Men’s Singles tournaments in the 2026 Australian Open, French Open, U.S. Open, and Wimbledon. For the purpose of this market, a tournament victory is valid regardless of whether the final was won via a walkover, a mid-match retirement, or a standard completed match. If at any point it becomes impossible for a listed player to achieve a Calendar Grand Slam in 2026 (e.g. Alcaraz does not win the 2026 Australian Open) this market will resolve immediately to "No". If at any point it becomes impossible for anyone to achieve a Calendar Grand Slam in 2026 this market will resolve immediately to "None". Otherwise, this market will resolve when the results of the final 2026 Grand Slam are official. If any of the 2026 Grand Slam Men’s Singles Tournaments are cancelled, postponed after December 31, 2026 11:59 PM ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “None”. The primary resolution source for this market will be information from the organizers of the Grand Slam tournaments; however, a consensus of credible reporting may also be used.

Active signals

Will no male player win a calendar Grand Slam in 2026?
Polymarket

Trend Continuation

Confidence Low
Opportunity: NO sideModel leaning NO

Edge

-1.5 pts

Early edge

Market-implied

99.5%

Model estimate

2.0%

YES

99.5%

NO

0.5%

Market-implied probability split (public data)

Why this is flagged: Δ6h +7.1 pts · Δ24h +7.1 pts (same direction)

Market summary

This market is currently priced at 99.5%, while BinaryStreaks estimates fair value at 98.0%, indicating a possible -1.5 percentage point difference.

Why this is flagged: Δ6h +7.1 pts · Δ24h +7.1 pts (same direction)

What this means

  • This may indicate the market is repricing new information, or reacting to liquidity and order flow.
  • Signals are informational only and not trading advice.
  • BinaryStreaks uses public market data and deterministic, rule-based analysis.

Related links

Browse all markets →Browse signals →Explore related topic →More in Sports →

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Execution

YES

Best bid (sell)
99¢
Best ask (buy)
100¢
Spread
1¢
Midpoint
99¢
Depth (top level)
bid 3,500 · ask 1,870.72

NO

Best bid (sell)
0¢
Best ask (buy)
1¢
Spread
1¢
Midpoint
1¢
Depth (top level)
bid 1,870.72 · ask 3,500