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GRiddles Prize Competition 2026

Online individual logic and mathematics puzzles

open yes remote

Program overview

high

Notes

Official page says the second series is live and terms define 12 riddles in three series with 28-day windows; latest closing date 2026-11-05 is calculated from R12 launch 2026-10-08 plus 28 days; official terms require entries through the G-Research webpage by each riddle close

View official program ↗

Quantiacs Contest 25 · Quant research challenge

Compete for $2M in strategy allocations.

Submit a unique trading system. The seven highest Contest Scores receive one-year notional allocations with performance fees currently based on a 10% profit share.

1st$1M
2nd$500K
3rd$250K
4th$100K
5th–7th$50K each

Unique systems only. Quantiacs applies a correlation filter, and allocations may be reduced or eliminated if a winner’s live Contest Score falls below its score at contest close.

Enter Quantiacs Contest 25 ↗ Official Q25 rules

Sponsored registration link. Prize amounts are notional strategy allocations; payouts are performance fees under Quantiacs’ Relative Performance Model. Winner allocations commence within 30 days after the contest ends. Eligibility and official rules apply; no purchase is necessary.