Side by side
Arcus vs Meridian Predict
Arcus and Meridian Predict both operate in the Perps & Derivatives part of the Robinhood Chain ecosystem. Arcus — dYdX Labs and Robinhood Crypto's 24/7 DEX for tokenized stocks and RWA perps, zero fees, non-US.. Meridian Predict — Prediction markets and RWA perps on Robinhood Chain, settled in USDe via RFQ auctions — formerly Ethereal..
Arcusmainnet
dYdX Labs and Robinhood Crypto's 24/7 DEX for tokenized stocks and RWA perps, zero fees, non-US.
- What it is
- A decentralized exchange pairing tokenized-stock spot with RWA perpetuals, built jointly by dYdX Labs and Robinhood Crypto, live on Robinhood Chain since 1 July 2026.
- What is live
- Zero-fee spot trading across 95 Stock Tokens is live now. Perpetuals covering 35 RWA markets remain in a waitlist phase.
- Who runs it
- CEO Eddie Zhang, whose startup Pocket Protector was acquired by dYdX Labs; dYdX founder Antonio Juliano joins the Arcus board. dYdX received investment from Robinhood Crypto.
- TVL
- Roughly $5.6m on Robinhood Chain (DefiLlama), early July 2026, spanning ~$2.5m 24h spot and ~$1.9m 24h perp with ~$900k open interest per the briefing.
Meridian Predictmainnet
Prediction markets and RWA perps on Robinhood Chain, settled in USDe via RFQ auctions — formerly Ethereal.
- What it is
- A prediction-markets and RWA-perps venue on Robinhood Chain, settled in USDe, building prediction singles and combos across an expanding market set.
- Market structure
- RFQ auctions where market makers compete to take the other side of each prediction at the best odds; collateral, settlement, and payouts are handled onchain by smart contracts.
- Formerly Ethereal
- The project was formerly known as Ethereal and rebranded to Meridian in May 2026, shifting from general derivatives infrastructure toward prediction markets.
- TVL
- Around $108k on Robinhood Chain in early July 2026 — a small, early venue.
The record
How they compare
| Field | Arcus | Meridian Predict |
|---|---|---|
| Type | defi | defi |
| Category | Perps & Derivatives | Perps & Derivatives |
| Status | mainnet | mainnet |
| Chains | Robinhood Chain | Robinhood Chain |
| Website | — | Yes |
| Docs | Yes | Yes |
| GitHub | — | — |
| Confidence | 84% | 68% |
| Sources | 4 | 3 |
| Arcus TVL | $17.7M | — |
| Stock tokens listed | 95 | — |
| Meridian TVL | — | $107.8K |
Read on
Answers
Arcus vs Meridian Predict: questions
- What is the difference between Arcus and Meridian Predict on Robinhood Chain?
- Arcus is dYdX Labs and Robinhood Crypto's 24/7 DEX for tokenized stocks and RWA perps, zero fees, non-US.. Meridian Predict is Prediction markets and RWA perps on Robinhood Chain, settled in USDe via RFQ auctions — formerly Ethereal.. Both sit in the Perps & Derivatives part of the Robinhood Chain ecosystem.
- Is Arcus or Meridian Predict live on Robinhood Chain?
- Both are live on Robinhood Chain mainnet. Arcus is mainnet and Meridian Predict is mainnet.
- Should I choose Arcus or Meridian Predict?
- It depends on your use case — both serve the Perps & Derivatives role on Robinhood Chain. Compare them on type, status, chains, integrations and source-backed confidence (Arcus: 84%, Meridian Predict: 68%), then read each full profile before deciding.