TOTAL VOLUME:
$154.4b
24H VOL:
$235,918,089
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,884,820,873
413,109
Markets across
40,428
events
MATCHED EVENTS:
4,364
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 24, 2:00 PM EST
Predict
This event group concerns the halftime result of a Serie A soccer match between SSC Napoli and AS Roma. Markets exist to predict whether Napoli, Roma, or a draw will be leading at halftime.
In the upcoming Serie A game between SSC Napoli and AS Roma, scheduled for October 24, 2026 at 12:00 PM ET: This event contains halftime result markets for home, draw, and away outcomes within the first 45 minutes of regular play plus stoppage time.
In the upcoming Serie A game between SSC Napoli and AS Roma, scheduled for October 24, 2026 at 12:00 PM ET: This event contains halftime result markets for home, draw, and away outcomes within the first 45 minutes of regular play plus stoppage time.
Polymarket and Predict can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Price discrepancies between Polymarket and Predict on the Napoli vs Roma halftime market can arise from several factors. Each platform attracts a different user base with varying levels of expertise and access to information. Trading volume also plays a role; a market with higher volume on one platform tends to have more stable and potentially more accurate pricing. Furthermore, the specific mechanisms for trading and order execution differ between Polymarket and Predict, influencing how quickly prices adjust to new information. These factors contribute to the observed differences in probabilities for this market.