Coinbase Assets to Move Anthropic Perpetuals From ANTH to ANT Nov. 16
Coinbase will change its Anthropic pre-IPO perpetual contract benchmark from ANTH to ANT on Nov. 16, adjusting the share base from 1 billion to 13.116 billion. Trading will pause during the switch, and unfilled ANTH orders will be canceled. Existing positions will be converted to ANT via fee-free block trades.
How this was made

The 30-second read
Why it matters
The change requires pausing trading, cancelling unfilled orders, and converting positions, which may create short‑term volatility in Coinbase's stock and its derivative markets.
Market read
Traders with exposure to Coinbase's Anthropic perpetuals need to adjust positions before the Nov. 16 migration, potentially influencing Coinbase's stock price in the short term.
What to watch
Potential liquidity shifts in the ANTH contract could affect short‑term order flow on Coinbase's platform.
Background
Coinbase Assets is adjusting the benchmark for its Anthropic pre‑IPO perpetual contract, moving from a valuation‑based index to a per‑share price index.
Ticker impact
Coinbase Assets will migrate its Anthropic perpetual contract from ANTH to ANT on Nov. 16, cancelling unfilled ANTH orders and delisting ANTH.
likely modest pressure as the market prices in the contract change
The change affects a specific derivative product; impact on the underlying stock is limited but may prompt short-term volatility.
Market effects
Minimal impact on broader crypto‑exchange sector; only Coinbase's derivative offering is affected.
U.S. market focus; no notable regional spillover.
Limited to traders of Coinbase's perpetual contracts.
Counterpoint
The migration may be seen as a routine operational update with no material effect on Coinbase's valuation.
Key entities
- companyCoinbase Assets
Division of Coinbase Global (NASDAQ: COIN) handling crypto derivative products.
- companyAnthropic
Private AI startup whose pre‑IPO perpetual contract is being migrated.



