Markets/Will Alphabet be the third-largest company in the world by market cap on March 31?

Will Alphabet be the third-largest company in the world by market cap on March 31?

Data as of Mar 21, 2026, 12:30 AM UTC

Closes March 31, 2026

Polymarket Price

48%YES

52%NO

Volume 24h

$4K

Liquidity

$4K

Bid / Ask

46% / 50%

Spread

4.00pp

Expert Signal

48%

Bayesian YES estimate

vs market+0.0pp

confidence0%

methodmarket

✦ AI Analysis

Synthesizes price, cross-venue gaps, Bayesian edge, and event context into a concise brief.

Price History

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Price History

-6.5pp

Key Moments

First recorded

55% YES

Feb 28, 2026

Trough probability

31% YES — lowest in period

Mar 18, 2026

Dropped below 50% — now favored NO

49%

Mar 16, 2026

Dropped below 50% — now favored NO

50%

Mar 17, 2026

Biggest move: -24.0pp

55% → 31%

Mar 18, 2026

Peak probability

78% YES — highest in period

Mar 11, 2026

Current

48% YES (+0.5pp recent)

Mar 21, 2026

Order Book (YES)

Expected Value Calculator

Your probability estimate

1%Market: YES 48%99%

Buy YES@ 48¢

+0.0%

EV per $ wagered

Buy NO@ 52¢

+0.0%

EV per $ wagered

Your estimate matches the market price — no edge on either side.

EV = return on investment if your probability is correct. Kelly = optimal bankroll fraction (½ Kelly is a common conservative choice). Fees not included.

Backtest Strategy

Entry threshold

50%

Enter when YES price ≤ this

From date

To date

Research Summary

Prediction markets currently price "Will Alphabet be the third-largest company in the world by market cap on March 31?" at 48% YES / 52% NO. In the last 24 hours, $4K has been traded. A Bayesian estimate puts the probability at 48%. The bid-ask spread is 4.00 percentage points. The market closes on March 31, 2026.

Cite this snapshot

ForecastMind (2026-03-21). "Will Alphabet be the third-largest company in the world by market cap on March 31?." Prediction market snapshot: YES 48%, NO 52%. Retrieved from https://forecastmind.org/markets/1004883