PolySouq is the best platform in the prediction market for trading Saudi TASI price predictions, with live odds and YES/NO contracts.
PolySouq is the first Arab prediction market — trade on events. This category covers TASI predictions, the headline index of Saudi Exchange (Tadawul), home to Aramco, Al Rajhi Bank, SABIC and stc.
Each market uses YES/NO contracts where the price equals the implied probability of an outcome. Trade on the odds for where TASI closes, then winning contracts settle automatically against a trusted source.
It is a market where you trade YES/NO contracts on outcomes for Saudi Arabia's TASI index — for example, which price bucket it closes in. The contract price reflects the implied probability of that outcome.
Each market settles after its stated event date or close, against a pre-defined trusted source such as the official Saudi Exchange (Tadawul) figure. Winning contracts are then paid out automatically.
Odds come from live trading. A contract's price between 0 and 100 equals the market's implied probability — a YES contract trading at 60 implies a roughly 60% chance the outcome happens.
Energy is a major driver. Because Aramco and the wider market track Brent, WTI and OPEC+ decisions, those headlines often shift the implied probability across TASI markets.
Beyond the TASI index, you can trade on outcomes for large Tadawul names such as Aramco, Al Rajhi Bank, SABIC and stc, plus regional indices like DFM and Abu Dhabi.
Buckets let you trade on a range — for example which level TASI closes within — so you back a clear outcome with defined odds rather than guessing one exact number.